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    5,000 java công việc được tìm thấy, giá theo USD

    I require a proficient developer who can seamlessly utilise Python, Java, and C++ to create an application designed for mobile use. Primary Purpose: - The task at hand primarily pivots around the development of an application. Key Duties: - The professional will need to adapt to Python, Java and C++. Mastery in using these three languages is paramount. Vacancy Requirements: - Proven track record in application development, preferably in a mobile application context. - The candidate should be able to demonstrate a keen understanding of user needs and be able to translate these requirements into compelling design features. - Hands-on experience with Python, Java and C++. - App design and UX/UI experience are a bonus.

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    Maven Project Error Troubleshooting 1 ngày left
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    In this project, I am facing Compilation errors and Build failures with my Maven project that needs troubleshooting. I need someone who has: - A good experience with Java and Maven - Special expertise in handling build failures - Demonstrable skill-set in troubleshooting Maven projects In your application, please highlight your expertise in easing out Compilation errors and most importantly, how you have dealt with and resolved build failures in the past. Relevant experience in tackling similar issues is crucial for this role. I am particularly interested in looking at past work where freelancers have successfully resolved build issues in a Maven project.

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    Urgent iOS and Android Testing Expert 1 ngày left
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    ...urgently need a professional with proficiency in Appium framework for testing a native app on iOS and Android help me complete a mobile testing assessment. Key Duties: - Using Java and appium frame work to write simple tests for a functionality on IntelliJ IDE. - help me understand mobile testing ( I have knowledge on other testing tool and languages) - Writing and implementing tests using Java and Appium within IntelliJ - also explain to me how to test on real devices The ideal candidate should have: - Proven experience in mobile testing, specifically on Android and iOS platforms - Concrete understanding of Java and Appium within IntelliJ - Ability to prioritize tasks and meet deadlines as this project is needed ASAP. Please only apply if you are able to d...

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    I'm seeking a gifted Java developer who can bring my Mandlebrot project to life. I have below ready code using Java Processing from internet with opensource source, I want to visualize it and draw it pixel by pixel also the zooming is slow I want to zoom it 5X with fast

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    I am in need of a skilled professional proficient in Java/Kotlin, Google Maps API and Android Studio. The project includes: * User location tracking * Geocoding and reverse geocoding functions * Creating and displaying markers and information windows I have specific design requirements that need to be executed flawlessly. Inspiration will be taken from existing applications, details of which will be shared with the selected freelancer. The ideal candidate would have past experience in Java, Kotlin and Google Maps API, with a strong understanding of Android Studio. A fine eye for detail and the ability to emulate design elements from reference applications is necessary. Demonstrated expertise in designing user-friendly mobile interfaces is highly desirable. Let's di...

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    Java JAR File Manifest Issue Resolution 1 ngày left
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    I'm currently experiencing problems with the manifest in my JAR file, and I would like a proficient Java developer to assist in solving these difficulties. Ideal Skills and Experience: • Proficiency in Java • Experience in debugging manifest file issues in JAR files Job Requirements: - Diagnose and resolve manifest file issues in the JAR file - Ensure smooth running and functioning of the JAR file post-resolution - Maintain the existing structure and functionality of the JAR file throughout the process What to Include in Your Application: Showcase your knowledge and experience with Java and working with JAR file manifest difficulties. Include instances of past work that demonstrate your ability to solve similar problems effectively.

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    Python API for Web Content Search 1 ngày left
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    I'm looking for an expert to build a Python application that can search and interact with web content, specifically product listings. The API should be smart enough to comb through vast sets of online data to find specific product listings quickly and efficiently. I need a complete developer who is capable of handling Java, Python, API, html, For the consumption of api and endpoint. More details to the correct developer Key Requirements: - Proficiency in Python and understanding of APIs - Expertise in web scraping and data extraction from web content - Knowledge in dealing with product listings from various sources - Implementing JavaScript functionality as needed - Quality assurance to ensure accurate and reliable search results This project demands a skilled developer wi...

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    Enhancement and Debugging in Github 21 giờ left
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    I'm seeking a skilled JavaScript, Java, Shell developer with extensive knowledge of GitHub for editing and debugging. The goal of this project is to complete all functions in this project. While we've initiated the project, a functionality issue has arisen. Thus, we need an expert to help debug and correct this issue in order to optimize the performance and efficiency of the system. Strong problem-solving skills and debugging experience are essential. Understanding the background, being able to track and fix bugs, and enhancing site functionality are key tasks. The project is open to developers who are reliable and efficient at communication and collaboration through GitHub.

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    Java developer 19 giờ left
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    Job Requirements: Managing the end-to-end life cycle to produce software and applications. Overseeing and guiding the analyzing, writing, building, and deployment of software. Overseeing the automated testing and providing feedback to managem...consultants. You are the person that love to teach and share knowledge with others. You are the person that can work with patience for questions come from consultants. You are the person that your colleagues naturally gravitate to when they are trying to figure something out. You have at least 2 years of experience in Application Development in Java and related technologies. You have understanding in the following topics: HTML/CSS, JavaScript, Java, Spring Boot, ORM tools, Docker, React and more. Nice to have: Linux, Jenkins, Git and ...

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    Expert Spring Boot Developer Needed 19 giờ left
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    I am looking for a seasoned backend developer with deep expertise in Java and Spring Boot. The main responsibilities will be: - Developing a scalable backend structure for data storage and retrieval. - Integrating APIs to streamline functionality. - Implementing robust user authentication protocols. Essential Technical Skills: - Proficiency in Java and deep understanding of Spring Boot is a prerequisite. - Demonstrable experience designing and developing REST APIs. - Proven capability in Microservices architecture. - Strong skillset in writing and optimizing Database Queries. This project requires a solid background in backend development, with a particular focus on using Java and Spring Boot. Your hands-on experience and understanding of REST APIs, Microservices,...

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    Trophy icon JUnit Test Repair for Java Microservice Đã kết thúc left

    I am seeking an adept Java developer with experience in JUnit testing and microservice architecture, particularly focusing on services revolving around user authorization. Here are the specific requirements: - Knowledge and familiarity with Java language. - Hands-on experience with JUnit testing, ensuring seamless functionality. - Understanding of user authorization for microservices. - Ability to effectively conduct and troubleshoot testing in a local environment. Your primary task will be addressing and rectifying issues encountered during JUnit testing on a specifically user authorization-related microservice in a local environment. Qualified candidates should be comfortable with debugging and have a proven record of handling similar projects.

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    1 bài tham dự

    I am currently looking for engineered solutions to elevate my use of Jasper Reports, specifically in managing complex subreport hierarchy and data sources using XML layouts. Key tasks will involve: - Breaking down and navigating subr...will involve: - Breaking down and navigating subreport hierarchy, - Managing associated subreport data source, - Enhancing the structure and quality of reports. Ideal candidates would have the following skills and experience: - Expert understanding of Jasper Reports, - Strong knowledge and experience in dealing with subreport hierarchy and managing subreport data sources, - Proficiency in Java programming language, - Familiarity with XML layouts. Through your expertise and my vision, let's push the boundaries of what's feasible ...

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    Flask and js development -- 2 16 giờ left
    ĐÃ XÁC THỰC

    Python flask and java script developer needed. Please see requirement file.

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    Flask and js development 16 giờ left
    ĐÃ XÁC THỰC

    Python flask and java script developer needed. Please see requirement file.

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    Java Spring Boot Developer 14 giờ left
    ĐÃ XÁC THỰC

    We seek a Java developer proficient in Spring Boot to create a comprehensive API that handles the submission, signature validation, and data extraction of digitally signed PDF documents, specifically driver licenses. This project requires a developer with a strong understanding of digital signatures, PDF processing, and OCR (Optical Character Recognition) technologies. Project Overview: Development of a Java Spring Boot Application: The core requirement is to develop an API that allows for the secure submission of digitally signed PDF documents. The primary focus is on driver licenses. Digital Signature Validation: Implement functionality to validate the digital signature of the submitted PDF documents, ensuring they have not been tampered with and are authentic. Data Extr...

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    We build intralogistics sortation systems of arbitrary complexity. You can think of our sorters as a directed graph with different types of edges and fixed locations. Since our systems look different for each customer (e.g. different locations, different number of edges/nodes), we want to be able to create the Anylogic model programmatically, i.e. without the need for drag and d...For your understanding, once this works, we will communicate with the simulation to test our transport logic. - Timeline: Please note, it's important that the project is completed within a month. Therefore, the ideal candidate should be able to work under clear deadlines without compromising on the quality of work. Please, only apply if you have experience with creating simulation models using Java...

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    As we swiftly move forward with our project, we're seeking a competent Full Stack Developer. Your primary responsibility will be creating APIs and implementing logic in our backend server programs. A good understanding o...primary responsibility will be creating APIs and implementing logic in our backend server programs. A good understanding of React JS for little bit of front-end tasks is also required. Your responsibilities: - API creation - Logic implementation - Database integration - Handling minor ReactJS front-end tasks This is an urgent need, and we want to move forward ASAP. So, if you're a skilled Java Springboot developer with an understanding of React JS and can start immediately, please, reach out. Efficiency, accuracy, and keen attention to detail are k...

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    I'm urgently seeking a profound Java developer with extensive experience in Springboot. Key responsibilities include: - Code, test and troubleshoot programs utilizing appropriate hardware, database, and programming technology. - Refine data and format the final product. - Maintain and modify programs; make approved changes by amending flow charts, develop detailed programming logic, and make changes to codes. Skills and Experience: - Proficiency in Java - Significant experience in Springboot development. - Familiarity with Agile development methodologies. - A problem-solving attitude. While I can't get more specific about the application's nature, it could potentially fall into any or all of the mentioned categories. I need the project completed ASAP, so ...

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    In order to streamline my operations, I'm looking for a skilled Java developer to construct a desktop application focusing on task automation. Specifically, the software should excel in: - Automated Data Entry: The application should be able to efficiently automate data entry tasks, improving productivity and minimizing errors. Ideal candidates should have extensive experience in Java development, primarily in creating desktop software. Familiarity with task automation, particularly for data entry, would be beneficial. Familiarity with user-friendly design and effective data handling techniques will also be important.

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    The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to further communication with you.

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    Purpose I want editing code to i apply in own application. I'm in need of a new Android mobile application specifically designed for photo editing. The application must be capable of: - Adjusting color levels to enhance image quality - Cropping and resizing images to fit various formats - Retouching and healing capabilities for flawless photo edits - Advanced features including the use of layers and masks Ideal freelancers for this project should have intensive experience in app development, specifically Android platforms, with a keen understanding of user interface and photo editing mechanics. Knowledge in design and the capability to implement advanced editing features such as layers and masks is crucial. Piece of advice: wow me with your portfolio full of relevant work!

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    I am currently facing crucial issues with my Android app, developed with Java and PHP Laravel, which need immediate resolution. The issues are a mix of app crashes and functionality errors that are stopping the core operations of the app from running smoothly. Adding to that, I'm also looking for feature implementation that can enhance the overall functionality of the app and provide a better user experience. Key tasks are: - Debugging and solving the app crashing issues - Fixing functional errors - Implementing new features Ideal candidates should have: - Exceptional command over Java and PHP Laravel - Experience in debugging and fixing app crashes - Impressive track record of implementing new features on existing Android apps Due to the issues' severity, I ...

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    I need a specialist to create a software solution that can streamline order management and provide a comprehensive vision on customer data. Key responsibilities: 1. **Order Management:**...Establishing customer communication logs, maintaining a good record of all customer communication The apt freelancer should have proven experience in software development, specifically in inventory systems and CRM applications that manage order operations. An understanding of Order-to-Cash processes and customer relationship management is crucial. Knowledge of programming languages like Python, Java or C# is also important. I seek someone who can create a reliable, secure, and intuitive software solution, offering ease of use to its end-users. The software should be scalable to support futu...

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    Expert EDI Developer Needed 7 giờ left
    ĐÃ XÁC THỰC

    As a rapidly expanding company we are seeking an experienced EDI developer. Your tasks: - Master EDI mappings - Handle Data transformation - Manage trading partner onboarding The ideal candidate should have experience with Sterling, Axway, Cleo, and Biz Manager software platforms. A strong understanding of Java, C#, or Python is also a must for this project. Please provide examples of your previous work with these platforms and languages. We look forward to meeting a dedicated, problem-solving professional who will fit into our dynamic, fast-paced team.

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    I'm looking for an intermediate-level Java Spring Boot Developer who can focus on creating an API that will handle both PDF signature validation and data extraction. Key responsibilities: - Implement signature validation for PDFs - Extract data from PDFs - Integrate these functionalities into an API Ideal skills and experience: - Proven experience with Java Spring Boot - Familiarity with Tesseract OCR, or similar OCR technology, for data extraction - Good understanding of PDF signature validation - Proficiency in API development and integration Understanding Tesseract OCR usage within a Spring Boot application will be a key differentiator for applicants. If you have the appropriate skills and are ready to contribute to building robust API, let's get started!

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    I'm in need of expert assistance to bring up-to-date my ringtone app developed in Java. Recently, I've been experiencing some issues which need urgent attention, and also want it compatible with Android 14. Key Tasks: - Fix the recurring crashing that happens upon launch. - Tackle responsiveness of buttons within the app. - Address the problems of incorrect data display. - Ensure compatibility with Android 14 after bug fixes. The above tasks are crucial to improve the app's functionality and user experience. Ideal Skills Required: - Proficient in Java programming and application development. - Experience with Android app development and updates. - Strong debugging and problem-solving skills. Please note that I haven't identified any specific new feat...

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    Hello I want to turn an existing project into a Windows program. I want to sign any apk file with this project. I will upload the apk, sign it and take it out. I leave the ready project here. https://android.googlesource.com/platform/tools/base/+/studio-master-dev/signflinger/

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    Java/Python/C# Application Development 4 giờ left
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    I need a competent software developer to develop the software in my vending machine The ideal candidate should have: - Technical expertise in Java, Python, or C#. - familiar with TCN model vending machine - Extensive experience in application development as this will be the major focus of the project. When bidding, please highlight your experience with the required programming languages and any past application development projects you've completed. This information is crucial in my decision-making process. Skilled and experienced developers are most welcome to make bids.

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    ...quality and stability of the application at all development stages. Stay updated on the latest trends and technologies in mobile app development, especially regarding API integration and dimension recognition. Requirements: Previous experience in successfully developing and launching mobile applications for iOS and Android platforms. Strong programming skills in languages such as Swift (for iOS) and Java/Kotlin (for Android). Familiarity with API integration and the ability to work with technical documentation to implement integration with the existing system. Experience in implementing real-time tracking and push notifications in mobile applications. Preferably, previous experience in developing messaging or logistics applications, as well as dimension recognition using compute...

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    I need to get Java 8 set up correctly on my Windows system to run my SuperMicro IPMI KVM console for remote control operations. Key Requirements: - Strong understanding of both Windows environment and Java 8. - Proficient in setting up consoles for remote control operations. - Comprehensive knowledge of SuperMicro IPMI KVM consoles. An informed bid would identify how you plan on completing the setup considering the given specifications.

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    I am on the lookout for a proficient Java developer to create a robust backend system for my project, with a prime emphasis on API integration. The exact Database Management System to be used has not been specified, so you have the flexibility to choose the one that works best within the project parameters. Ideal skills and qualities include: - Mastery in Java programming - Professional experience in backend engineering - Capability to integrate APIs smoothly - Adaptability in selecting and working with Database Management Systems Your concrete understanding of scalable system architecture and data modeling should be evident. In addition, mastery in cloud-based services will be advantageous. Please make sure you're comfortable with these requirements before making a b...

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    I am seeking an expert to perform comprehensive automation testing on my web application. Your task will include: - Functional testing: Ensure the web application behav...task will include: - Functional testing: Ensure the web application behaves as intended. - Performance testing: Test the scalability and stability of the application under heavy loads. - Security testing: Expose possible security vulnerabilities to ensure the application’s data confidentiality, integrity, and availability. The web application is developed in Java, hence Java developers or Automation testers with robust knowledge of Java will be ideal for this project. Your background and understanding of web application testing should be solid. Proven experience in Functional, Performance and...

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    I need a professional to create a blockchain and java-based voting system for my final year project. Even though I didn't specify particular features, it's fair to expect that a capable voting system should include: - User registration and authentication - A secure and transparent voting process - Real-time vote counting The applicant should ideally have prior experience with blockchain and Java, or an equivalent background in system development. It is quite urgent as I need this project completed as soon as possible. So, please consider your capacity to meet this crucial requirement.

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    ...data, match details, and league information. • Design the database schema to analyze results and rank app users based on winning margins. 3. Frontend Development: • Develop user interfaces using frontend technologies and frameworks. • Ensure responsive design for compatibility across different devices and screen sizes. Requirements: • Strong experience in Android app development, with expertise in Java/Kotlin and Android Studio. • Proficiency in frontend technologies, UI/UX design principles, and responsive design implementation. • Familiarity with backend development, API integration, and database management. • Ability to implement authentication mechanisms, wallet systems, and referral programs. • Good communication skills and the ability...

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    ...functionality, and provide bug resolution if required Given that the programming language was not specified, expertise in either Python, JavaScript, or Java is required. I would welcome seen any past experience in server setup and VOIP infrastructure development, in addition to general technical skills such as problem-solving, attention to detail, and a solid understanding of IT infrastructures and server technologies. Although the specific usage of the servers is not provided, experience in applying these servers in scenarios like video conferencing, VoIP calls, or WebRTC would be an added advantage. Essential Skills: - Proficiency in Python/JavaScript/Java - Experience in setting up STUN, TURN, and signaling servers - Understanding of VoIP infrastructure and server...

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    Overview: Experienced AI Consultant needed to lead cutting-edge projects. Collaborate with clients to design and implement bespoke AI solutions using advanced machine learning techniques. Responsibilities: >> Strategic Consulting: Partner with clients to identify AI-driven innovation opportunities. >> Solution Design: Architec...AI model performance and scalability. >> Documentation: Create technical specifications and facilitate knowledge sharing sessions. Requirements: - Bachelor’s degree in Computer Science or related field; advanced degree preferred. - Proven track record in delivering impactful AI projects. - Expertise in TensorFlow, PyTorch, scikit-learn, and AWS SageMaker. - Strong programming skills in Python, Java, or C++. - Excellent communica...

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    I am in need of an experienced software developer to assist in the creation of a multilevel marketing (MLM) network marketing project. While specific programming languages were not selected, knowledge and proficiency in Java, Python, or C# would be highly beneficial. The following features should be incorporated into the system: - User Registration and Login - Downline Management - Commission Tracking and Calculations PHP language also accepted. Experience in mlm development is preferred. Creative and open minded, time bound, efficient and timely service provider is needed.

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    To refine my Spring Boot project located at , I'm seeking an experienced backend developer knowledgeable about using PostgreSQL d...using PostgreSQL databases. Key Deliverables and Processes: - As part of the task, you'll need to implement a system that logs specific request and response details into a PostgreSQL database. - The specific details to be logged include header fields, query parameters, the count of documents replied in the response, and the response status code. Skills and Experience Required: - Skilled with Java and Spring Boot. - Proficient with usage of PostgreSQL. - Strong background in creating efficient logging systems. Please ensure your bid includes relevant experience, an approach to the task, and your timeline.

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    I need a driven and detail-oriented developer with stellar skills in Java, Spring, Hibernate, MySQL and React.js to collaborate with us or independently work on our project. Tasks include but are not limited to: - Java, Spring, Hibernate development - Designing SQL queries and ensuring data integrity with MySQL during the data processing stage - Creating a modern and sleek user interface using React.js An ideal candidate will possess a strong background in these areas, with a particular emphasis on developing user-friendly applications with a contemporary aesthetic. Your role will be pivotal in ensuring seamless function and an engaging user experience.

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    Java Unit test Đã kết thúc left

    In this project, you’ll need to write unit tests using JUnit, focusing on business logic methods, API calls and mocking implementations. Key Responsibilities: - Write and run tests on business logic methods - Test API calls and mock responses - Implement mocking within the tests Ideal Experience and Skills: Prior experience with JUnit testing is essential. Deep understanding of business logic methods, API calls and mocking is crucial for this role. Output: There are no specific requirements for the output of the test results. The primary objective is to ensure the consistent and proper functionality of the application. Please ensure your tests are well-commented and easy to understand.

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    I am looking for an Intermediate Java backend developer for part time role. You will be tasked with the following essential duties: - Database Management: You should be able to handle complex database operations with ease and accuracy. - API Integration: Proficiency in integrating third-party API’s/posts is a must. - Web and Socket Applications: Strong understanding and ability to build Swing, Servlet and Socket based applications is required. - Performance Optimization: You should have the ability to troubleshoot and optimize performance issues. The ideal candidate should have a strong familiarity with: - Spring Framework: Proven experience utilizing this tech in building java applications. - Hibernate ORM: Experience and understanding of Hibernate for object-relati...

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    ...load images into a target Firebase storage folder Potential Tasks: - Study the existing UI and suggest appropriate interactive elements - Develop these interactive UI Components Ideal Skills: - React - Experience with UI/UX design -Experience with Firebase and Firebase security -Experience with Image re-sizing and compression Tech stack is Firebase, Firebase Storage, Google hosting, React JS, Java and Bootstrap Please provide examples of your work where you have worked on file management and/or image projects in React. You must read, write and speak good English and be available for progress calls between 8:00AM and 11:00AM GMT -5. We expect this project to be approximately 20 hours of effort for a suitable candidate. We will require an NDA and a transfer of IP prior to f...

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    I need an experienced Application Developer proficient in Native React for the front end, and Microservices Java for the back end. The features I want to be implemented are: One of the business functions is RSVP applications(As of the tab ) - User authentication and authorization - Push notifications - Payment gateway integration - A comprehensive dashboard - Capability to send emails, SMS, and WhatsApp messages - Full-on responsiveness to support Android, iOS, and Web An adeptness in MongoDB is necessary as it is my preferred database for the application. I desire the application to be fully responsive across all devices, optimizing it for every user interface. This project requires an in-depth understanding of system development, so a track record in similar undertakings ...

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    I'm urgently seeking a skilled Java Developer specialized in web development. To answer asignment within 2 Hours,no more need because i must present it after 3 hours. i Will send you all project files Please note that this project requires immediate attention and solution delivering, thus only consider bidding if you're able to start promptly.

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    As the owner of a developing website, I require a skilled HTML and Java developer specifically for frontend development tasks. The pivotal functionality on my site's frontend revolves around the implementation of a user authentication process. To achieve this requirement, I prefer a simple yet effective email and password-based login system. An understanding of this process and a proven track record of frontend user authentication mechanisms is significantly desirable, along with comprehensive expertise in HTML and Java. Previous experience in the same sector will be given preference.

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    Job Description: We are in need of a skilled develop...admin console for managing blog posts, categories, and user permissions Ensure seamless integration of backend functionalities with the frontend interface Implement responsive design principles for optimal performance across various devices Ideal Candidate: Proficient in web development languages such as HTML, CSS, JavaScript, Tech stack - React JS, Redux toolkit, pgsql, Spring boot MVS / node js / Java Excellency in documenting the work. Experience with popular web frameworks and content management systems (e.g., WordPress,) Strong problem-solving skills and attention to detail work collaboratively in a team environment We are looking for a developer who can create a robust and user-friendly blog application that meets our req...

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    ...need of an expert in obtaining a Google Places API key. The development process, unfortunately, is currently hampered due to absence of an API key. Your tasks would include: - Assisting in procuring the Google Places API key for development purpose. - Advising on the best practices and guidelines. In spite of knowing the programming language we are using, your skills in JavaScript, Python, and Java would be a tremendous asset. Being that this is an urgent request, your ability to work quickly and efficiently will be greatly appreciated. It is not necessary to deliver a detailed project proposal or showcase your past works. However, your expertise and experience in handling comparable projects would help in resolving our problem briskly. Looking forward to your valuable solut...

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    ...this project, you will be required to convert a piece of SQL code currently written in Java into C#. The code performs various database management functions. The goal is to accurately replicate the present functions and capabilities. High proficiency in both Java and C#, as well as a robust understanding of SQL and database management, are essential for this task. Experience in code conversion will be highly regarded. Key Requirements: - Convert Java SQL code into C# - Maintain all current database management capabilities - Thorough testing to ensure full functionality This job requires someone with a sharp eye for detail and commitment to quality, as the complexity of SQL database management in Java needs to be perfectly translated into C#. Please onl...

    $32 / hr (Avg Bid)
    $32 / hr Giá đặt trung bình
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