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I need the file upload functionality from our public area to be copied to our backoffice. This will allow the backoffice to upload files for users in the public area. Key Requirements: - Transfer file upload feature from backoffice to public section - Support for the following file types: pdf - Visual feedback of the upload process with a success/error message - Backoffice should be able to both delete and replace files after an upload Ideal Skills: - Proficiency in Xano and WeWeb platforms - Experience with file upload feature implementation - Ability to create a visually appealing and informative upload process - Understanding of user and content management systems This project involves integrating and mirroring an existing feature, so familiarity with Xano and WeWeb is crucial...

I am looking for a skilled Android developer to create an eCommerce app. This app will have the ability to process payments via credit cards and feature user accounts for simple login purposes. Key requirements: - Develop an Android eCommerce app - Integrate credit card payment functionality - Implement user accounts with simple login Ideal skills and experience: - Proficient in Android app development - Experience with eCommerce app development - Knowledge of integrating credit card payment gateways - Familiar with user account management in apps - Prior experience in creating secure, user-friendly apps In your bid, please include examples of your previous eCommerce app work and any relevant experience you have with credit card payment integration.

I'm looking for an expert who can create a comprehensive dashboard using Splunk for analyzing my website logs. The dashboard needs to clearly visualize data using pie charts. Fetch only specific error logs from cloudwatch and create on dashboard. If there is error on cloudwatch regarding node group, target group and autoscaling group, pod failed it should create alert . For exmple if something goes down it should create alert and also should give cause of issue. Also create dashoboard which will show how many Number nodes in node groups , instances and pod in the autoscaling group, also ram and cpu utilization of pods and nodes. Your responsibilities will include: - Analyzing website logs to understand and visualize the CPU and RAM utilization - Creating intui...

I am seeking an experienced web designer who can expertly construct an e-commerce ...web designer who can expertly construct an e-commerce website as swiftly as possible. While I hesitated to choose a particular e-commerce platform, I am open to recommendations if they can demonstrably facilitate the project's rapid completion. Ideal skills and experience for this project would include: - Strong understanding and expertise with various e-commerce platforms, such as Shopify, Magento, or WooCommerce. - Previous experience in building e-commerce websites within a short time frame. - Good at understanding client requirements quickly and delivering accordingly. Respond promptly if you believe this project aligns with your skills and can be finished at the earliest. Time is of th...

I need assistance with my WordPress site that's experiencing theme compatibility issues with Elementor. The specific problem that needs to be addressed involves error messages that prevent optimal website functionality. Ideal candidate should: - Have extensive experience in WordPress and Elementor - Be able to identify and fix theme compatibility issues - Be proficient in troubleshooting WordPress error messages - Be capable of ensuring the site is functioning optimally post-fix - Be responsive, with excellent communication skills.

I'm in need of a proficient mobile app developer with a strong understanding of both iOS and Android platforms. Key functionalities to include: - Integration with Google, Apple, and Facebook for seamless login experience. The ideal candidate should have: - Previous experience in creating and integrating social media logins on a mobile app. - Proven expertise in both iOS and Android app development. - Experience with e-commerce features would be a bonus. The end goal is to create a user-friendly app with easy social interaction capabilities, including secure login options through popular social media platforms. Your specialist knowledge will be pivotal in achieving this.

I'm facing an issue with my UTM tag, which, unfortunately, is not being recognized in real-time on Google Analytics. Instead of indicating the source outlined in the tag, the traffic is showing up as (direct). I need a skilled freelancer who can identify and rectify this error for me, ensuring that the UTM tag accurately reflects the source of my traffic. This is crucial because I primarily use UTM tags for tracking my marketing campaigns targeted on paid ad platforms. The ideal freelancer for this task should have: - In-depth understanding of UTM tagging and its mechanics - Proficiency in Google Analytics - Experience with business websites and paid ad platforms - Proven problem-solving skills including past success with similar tagging issues Your task would revolve around...

The site was created on WordPress * Set up link personalization so that by clicking on a link sent from the site, the page opens only to the user to whom it was sent. If clicking on the link will enter the login information of another user, in this case it should not proceed. Configure the correct redirect to the necessary sites * insert a link to a document for download on one of the site pages (this document has already been generated and there is a download link on another page of the site) * Add generation of an invoice for using the site in pdf form (the form will be provided) with saving on the pages in the admin panel and on the user page. * Edit the account pages created in the admin panel, add a filter by user, month, account status and account number (these fields have...

I am looking for a mid-level QA Tester from India, with experience in both mobile and web applications. The ideal candidate for the job should have: - Experience in testing iOS and Android platforms, as well as web portals - Capable of performing functional and design testing - Proficient in testing user registration, login/authentication, and other functionalities as per the logic - Ability to carry out thorough functionality testing as per the given requirements - Ability to report bugs and issues in the Google Spreadsheet with proper description and snapshots Please note that mid-level experience is a must for this role. The chosen candidate is expected to ensure the quality and performance of our mobile app and web portal.

...built, replicating the functionality of https://constructionkart.in. This is an e-commerce website that sells construction tools, building materials, as well as bath and kitchen items. The site must include: - A product listing feature that has comprehensive details on each item. - Shopping cart functionality that allows users to add and manage items they wish to purchase. - User registration and login mechanisms to enable easy sign-up and returning customer access. - A product search feature for quick item locating. - Product filtering to allow users to narrow down their search based on specific criteria. - A payment gateway integration for seamless and secure online transactions. Ideal freelancers for this job should have: - Proficiency in WordPress, with experience in creati...

...improvements. The site is set to work and is 90% functional, it just needs some improvements and fixes* Key Responsibilities: Implement a feature to reset login credentials for both admin and user accounts. Ensure all pages of the site are fully functional and debug any issues. Integrate and test the payment gateway to ensure smooth transactions. Develop a robust chat system that allows users to communicate effectively within the site. Set up and troubleshoot an SMS notification system using the Twilio API. Create a feature for sending contact verifications via SMS, with automatic data storage in both admin panel and user dashboard upon login and verification. Enhance site security to protect user data and prevent unauthorized access. Embed video content from Vimeo in a ...

I am looking for developer to create dating mobile app using capacitor js with javascript only no framework and Laravel API in backend . Features Register/Login using mobile - sms otp Enter profile details - city, gender, profession, interests Match Making to explore users Send/Accept chat request Messages/Chat/Conversation - using websocket/laravel reverb Audio call

I'm looking for a seasoned developer to build both an application and a website for my project which require membership registration as the core functionality. The specifics of the project include: - User Profile Creation: Users should be able to create personal profiles. - Login and Authentication: A secure, confidential, and efficient login and authentication system needs to be integrated. - Membership Levels and Permissions: Different levels of membership should be included with tailored permissions. Ideal skills for this project would be proficiency in both app and website development, a strong understanding of membership systems, user authentication and authorization tactics, and experience in creating user-centric interfaces. Knowledge of GDPR and other related u...

As a website owner with an aim to create an interactive online community, I'm looking for a skilled web developer able to implement e-commerce, user registration and login, as well as a content management system on my site. This site will not only serve as a platform for community building, but will also facilitate the sharing of user-generated content and private messaging between users. Key responsibilities: - Implement e-commerce functionality to enable users to purchase products or services. - Develop user registration and login system to allow users to create accounts and access personalized content. - Integrate a content management system to enable easy editing and updating of site content. The successful candidate should have: - Proven experience in full-stack w...

1) Fix reset password when create new password need to double click on the reset button in order to work with a scucess reset. 2) The form of reset password should be open at home page not my account. 3) Make the full form responsive on all devices and open in the browser as responsive (as now on browser it's working for desktop) 3) Replace My account page form with the form we made. 4) Gather the full form codes and create a custom plugin and enter the code so the form be on a plugin

I am currently struggling with a proble...simulation. Throughout the simulation process, I'm unable to solve the setup entirely. Even though no recent changes have been made to my computer software that could potentially interfere with the Ansys mechanical simulation, the problems persist. Also, there are specific error messages and warnings during the attempts to solve the setup. Required Skillset: - Expertise in Ansys mechanical simulation. - Adequate experience in debugging and resolving software errors. - Ability to understand and decipher specific software error messages. The primary task for this project would be to identify, understand and adequately solve the setup issues causing interruptions in the simulation, aiming at a smooth and successful Ansys mechanic...

I'm experiencing a "Forbidden: You don't have permission to access this resource" error on my entire WordPress website. It happened after I made some updates to the site, and now it's completely inaccessible. Ideal candidate for this job would: - Be an experienced WordPress specialist - Have previous case studies of successfully handling similar issues - Be skilled in troubleshooting and rectifying website errors Key Tasks: - Investigate and diagnose the problem causing the forbidden error - Implement a solution to rectify this problem and restore full access to the website - Verify the solution to ensure the error doesn't recur. Your responsibilities would include making sure the error is permanently fixed and ensuring th...

I'd like a dedicated online hub where trading card enthusiasts can engage in a vibrant marketplace. This platform will host a wide variety of trading cards ranging from sports, to Pokemon and One Piece collectables. I'm leaning towards a design that is clean and modern. Key website features should include: - User Registration and Login: Applicants should be able to create personal profiles with ease, ensuring quick access to the trading card marketplace. This enables users to post their requests, of cards that might not be available in common markets and or post them with their desired value( Looking for X card for $$) ( Looking for X card graded with XX uploading a picture of demanded card....) - Card Posting and Searching: Users need the ability to post cards they&#...

...subscription services, a member login area, and live chat support. Key Responsibilities: - Revamp the layout and structure of my current Shopify theme to ensure it is engaging, user-friendly, and professional. - Implement subscription services on the website. This should be easy for customers to sign up for, manage, and upgrade as needed. - Create a secure member login area that allows for exclusive content, discounts, or other benefits. - Integrate a live chat support feature that provides real-time customer assistance. The ideal candidate for this project should have: - Proven experience in Shopify theme customization, with a strong portfolio of past work. - Expertise in integrating complex web features like subscription services and member login areas. - A goo...

...return to its original focus to be ready to select one of the two keys. Ideal Skills and Experience: - Proficiency in Python and experience with PyAutoGUI. - Strong understanding of web interactions and experience with browser automation. - Ability to design and implement accurate keyboard inputs. - Experience in handling focus switching between applications. The script is not required to include error handling for instances where the Firefox browser is not open or the specified page is not loaded. The primary focus of the script is on accurately interacting with the designated elements on the Firefox web page at regular intervals. We are seeking a skilled Python developer to create a script using PyAutoGUI to automate specific keyboard interactions within a Firefox browser. T...

Two-Month Requirement List • APP User Login o User Registration: Users register their accounts independently, set passwords, and provide relevant email addresses. o User Login/Logout: Users log in and out by entering their passwords, and support login via TG accounts. o Permission Setting: Set user function permissions, menu permissions, button permissions, data permissions, etc., and set related user roles and user levels. o User Instructions: User agreement and privacy policy. • User Profile and Settings o Personal Profile Management: Users can create and edit personal profiles, including nicknames, avatars, and personal signatures. Set personal privacy options to control who can view their profiles. o Account Security: Provide strong pass...

I am looking for a skilled web developer to build a professional and corporate e-commerce website. The primary requirements include: - Implementation of e-commerce capabilities to allow for online transactions. - Integration of a user registration and login system to provide a personalized experience for users. - The website should be designed with a professional and corporate aesthetic in mind. While the site doesn't need to be fully optimized for mobile devices, it should work well on desktops. Ideal skills for this job include proficiency in e-commerce web development, experience in user registration systems, and a strong portfolio of professional and corporate website designs.

... I'm facing an issue with my WHM/CPanel, where mails are frozen in the mail queue. I'm receiving error messages stating Status: 5.0.0. This technical glitch isn't just confined to a single user account, it's affecting numerous ones. I am seeking a skilled server administrator who has comprehensive understanding of WHM/CPanel, specifically around email configurations and troubleshooting. Key skills needed: - Extensive experience in WHM/CPanel - Proficiency in diagnosing and resolving server connectivity issues - Sound knowledge of email server delivery processes - A methodical approach to problem solving with attention to detail Your role will involve identifying the root of this error and implementing a reliable solution. Please only bid if you...

I'm currently seeking a skilled backend developer who has proven expertise in Python, Java, and Ruby. I need someone who can guide me through whether to use the current source code or start from scratch, a decision that we can make together as the project evolves. As our project's main responsibility is to handle authentication and server configuration, the perfect candidate should ...managing, and sustaining server configurations - Handling various authentication tasks - Expertise in Python, Java, and Ruby - Decision-making skills concerning source code development This project will be rewarding for someone who enjoys tackling unique challenges and has a flair for problem-solving. If you're up to the task, please don’t hesitate to bid. See the attached files - we ...

We are seeking an experienced freelancer to resolve a Varnish issue on our Magento staging site. The task requires immediate attention and the ability to work via AnyDesk to troubleshoot and fix the issue efficiently. Key Requirements: Proficient in Varnish configuration and troubleshooting. Expertise in Magento platform and server management. Ability to work via AnyDesk for immediate assistance. Ensure that the live site hosted on the same server remains unaffected during the troubleshooting process. Important Note: Only apply if you are confident in your ability to handle this task professionally and ensure that the live site remains operational without any disruptions. The selected freelancer must be available to start immediately and commit to resolvin...

Request for development of initial version of mobil...order 1 List of development function definition requirements (organization of conversation documents involving developers and planners) 2 Flow chart (professional planner) 3 UI UX screen design (professional planner) 4 designs (professional designs) 5 Developers (professional developers) 6 QA error checking (professional error checker) 7 Server Settings (Professional Developer) 8 QA error checking (professional error checker) 9 Business begins 10 If a problem occurs during the developer runtime, the error is immediately corrected. Please contact only teams that can perform the above 10 tasks. If you cannot follow the above 10 steps, please do not apply. And only contact companies that strictly keep...

I need a skilled developer to create a website that will serve as a platform for managing and tracking services. The website will primarily target business clients, and as such, must be professional and user-friendly. Key Features: - User Registration and Management: The website should allow for easy registration and management of user accounts. It should have a secure login system and options for account customization. - Service Management: The core function of the website will be to manage and track services. This will involve the ability to add, edit, and view services in a clear and organized manner. - Tracking and Reporting: The website will need to have features that allow for the tracking and reporting of customer service activities. This is vital for both our internal proce...

...The home page should contain a Services section, Location section, and About section. Any content (such as titles) or external variables (such as API keys and email addressees) should be modifiable easily from a markdown (.md) file or text (.txt) file, rather than directly in the code. The booking page should use a wizard to walk users through the booking process one step at a time. Users do not login, so always checkout as a guest. Firstly, users select a future date from a calendar. Secondly, users see the times each of the 7 lanes are available on the chosen date and select a lane at a given time for a given duration (measured in hours) but only for lanes that are still available. A lane is available to be booked if it is not in anybody else’s basket currently and nobod...

...hours, amounting to $960 USD. Initially, I will bill for 24 hours. Upon completion of the work, I will bill the remaining 24 hours. Date of completion:- 24-04-2024 You have to be set for the high standards for each module to ensure the project is exemplary and ready for public showcasing: Module 1: Idea to Well-Crafted Invention - Patent Draft Report Generation All reports should be polished, error-free, include high-definition visuals, and provide accurate, dynamic, contextually appropriate prompts & responses. Module 2: Quick Search IPC, Scopes The functionality for identifying IPC codes and defining scopes must be quick, efficient, and precise. Module 3: Document In-depth Analysis This module offers detailed feedback on patent drafts and drawings, addressing all paten...

...will not require e-commerce capabilities. Key Features: - User Registration and Login: The website should have a user registration and login system to allow professionals to create their accounts and access specific content. - Search Functionality: A robust search functionality is crucial to help users easily find the information they are looking for. Target Audience: The target audience for this website is professionals. It is vital that the design and functionality of the website can cater to the needs and expectations of this demographic. Ideal Skills and Experience: - Proficient in web development and design, with a strong portfolio of similar projects - Experience in developing user registration and login systems - Advanced knowledge in implementing search ...

... The website is expected to have the following features: - User Authentication: Users can register, log in, and maintain a personal profile. - E-commerce Functionality: There should be a seamless e-commerce experience, allowing users to browse, add to cart, make payments, and track orders. - Social Media Integration: Social media platforms should be integrated to facilitate social sharing and login. - Private Messaging: The website should support private messaging functionality between users. The design of the website has been meticulously planned, so the developer should be able to implement this specific design effectively. It is also crucial that the website is built with enterprise-level scalability in mind, ready to handle a large volume of users without any major changes ...

...startup that is branching out into the event marketplace. My vision is to create a user-friendly platform that caters to everyone, disregarding their age or professional background. I am looking for an exceptional UI/UX designer who has a commendable portfolio and prior experience in creating distinctive and interactive designs. Specifically, the website should incorporate: - User Registration and Login system - Advanced search and filter mechanism for seamless navigation - Capability to list and provide details about the various events In terms of aesthetics, I'm leaning towards a calm and grounded visual experience. Hence, a design utilizing neutral and earth tones would just be perfect. Our model design is essentially like Airbnb. The ideal candidate for this position...

I'm urgently seeking a Flutter developer who can help bring my app idea to life. The project is for both Android and iOS. Key Features: - User login and registration system: Users will be able to create accounts and log in securely, we already have an api for that. - Push notifications: I need transactional notifications to be sent to users. These will include updates on orders and account activity. - Frontend Development: I have the design for the app ready. Your responsibility would be to translate this design into a functional frontend. - API Integration: The app needs to be connected to our existing API (Django rest framework). This is crucial for the app's functionality. Ideal Skills and Experience: - Proficient in Django: Our API I need someone who has solid experi...

...**Theme and Plugins Setup:** I will need help with the setup of the E-commerce Marketplace Pro theme, WooCommerce, and Dokan. - **Feature Implementation:** The main features I want to implement on my eCommerce marketplace include: - Product Search and Filtering: Customers should be able to easily find products on the platform through a search function and filters. - User Registration and Login: Users should be able to create accounts on the marketplace, log in, and manage their profiles. - Payment Gateway Integration: I'd prefer to use Stripe as the payment gateway, so it needs to be seamlessly integrated into the platform. want it to be set up like eBay and Etsy (multivendor capability) Ideal candidates for this project should have: - Proven experience with se...

I'm currently facing an issue with my WHMCS system. After recent suspension and reactivation, an Internal Server Error (HTTP 500 error) has started to appear consistently on the client area. I require an expert who can identify the cause of this issue and apply the necessary fix. Skills and Experience Needed: - Strong knowledge of WHMCS. - Proficient in debugging and error resolution. - Familiarity with WHMCS suspension and reactivation protocols. The ideal candidate would have resolved similar WHMCS issues in the past and should be able to articulate the cause and resolution of this specific problem.

As a client, I am looking for a skilled developer who will create a custom webpage for conducting polls. The key functionalities I need include: 1. Email Verification: The webpage should limit voting to one time per institutional email address. If an invalid email is entered, the interface should display an error message. 2. Voting Display: The voting results should be displayed in real time using bar graphs. It's crucial for the freelancer to have experience in creating such an interactive visual display. 3. Commenting Feature: I want users to be able to create notes as comments under the poll. This gives people a space to share thoughts or elaborate on their vote. The ideal freelancer for this job will have a strong background in web development, with specific experience ...

...interactive car selling website. It should be a platform where users can browse, search and list vehicles for sale. Key Features: - Search Functionality: The website must have robust search capabilities that allow users to filter by make, model, year, price range, etc. - Vehicle Listing Page: Each vehicle should have its own dedicated page with all relevant details and images. - User Registration and Login: Users should be able to sign up, create profiles, and manage their listings. Shopping Experience: - The purchase process will be facilitated directly on the website, with all necessary functionalities for transactions and user verification. Design: - I don't have a specific design in mind, so I'm open to suggestions on how to make the platform user-friendly, visu...

I am looking for a freelancer to help incorporate RTK library code which is ready, into an existing C++ codebase designed for ESP32 arduino. Here is the specifics: - Integrate user authentication functionality, file input/output, and error handling into the previous codebase. - Implement RTCM messages code for real-time positioning corrections, data integrity checks, and network communication. The successful candidate will ideally have the following skills and experience: - Proficiency in C++ programming, including libraries and message coding. - Extensive understanding of RTK library and RTCM messages. - Experience with ESP32 Arduino. - Strong troubleshooting and problem-solving abilities. The original code is completed. All you need to do is adjust and ensure its seamless ope...

I currently have a website set up. Users are able to register/login and are redirected to a My account page. On this My Account Page I need users to be able to upload Pics/videos add a short description and submit. Once submitted I need the posts to go to a user specific "My Documents" page that only the user and admin can access.

I need an professional who can design a WordPress website for my honey selling business, Also good knowledge on woocommerce required. ** You need good knowledge to attract customers to place order Some other fetures: 1. Correct check out page design for easy checkout 2. Website login before purchase 3. Easy and most powerful way yo convert a visitor to a buyer 4. Products page with content design with review and image review design where user can place reviews with image.

I need a developer experienced in AWS or Heroku and serverless architecture to deploy a web application from a public GitHub repo. My project requires: - In-depth understanding and hands-on experience with AWS, specifically in deploying web apps. - Strong skills and knowledge in serverless architecture. - Ability to handle code from a public GitHub repository and turn it into a functioning web app on AWS. - I need to take a public GitHub Repo and deploy it to integrate with a custom GPT. repo link : Your job is to ensure seamless deployment of the repo, maintaining its functionality throughout the process. Someone who has done this before and can show past work will be ideal.

I am in need of an experienced copyeditor to review and correct grammatical and syntax errors in a 23-page USCIS Petition. The text is precisely 5462 words. Key Requirements: - Completion within 1 week - Proficiency in American English - Experience with formal or official document editing. The goal is to provide a polished, professional, and error-free document. Your keen attention to detail and your exceptional command over American English will be crucial for this project. Experience in correcting immigration petition texts would be an added advantage.

I am currently facing a challenge with my website, Kenoshaquilting.net. Attempts to access the page without www. are returning 404 error messages. This is predominantly affecting the Home page, Contact page, and About page. Even though I'm unsure if a redirect from the non-www version to the www version of the website has been set up, I do have access to the website's hosting server. The ideal freelancer for this job should have: - Extensive experience dealing with 404 errors - Solid understanding of website redirects - Proficiency in backend website management - Immediate availability Your task will include: - Identifying and fixing the sources of the 404 errors - Setting up a successful redirect from the non-www version to the www version of the site - Ensuring all pa...

Create FAQ page, Error solving & Responsive

I'm in need of a skilled developer who can work with me on a project that entails the integration of Facebook login and the real-time import of leads to a React front-end and a Laravel back-end. Your primary tasks will be: - Setting up a Facebook app specifically for this project - Integrating Facebook login with a React front-end - Importing user profile information from Facebook in real-time - Importing leads generated from Facebook ads subscribed users in real-time Ideal candidates should have: - Proficiency in Facebook API and the ability to create a Facebook app - Strong experience with Laravel and React - Previous work with integrating Facebook login and data import - A good understanding of lead generation, especially from Facebook ads - The capability to...

...para las membresías, manteniendo la opción de PayPal para compras individuales. Revisar y mejorar la interfaz y experiencia de usuario de la plataforma, asegurando un diseño responsivo y adaptado a dispositivos móviles. Optimizar el flujo de usuario desde el registro hasta el acceso, garantizando que todas las interacciones sean intuitivas y sin errores, incluyendo la configuración de páginas de error, confirmaciones de correo electrónico y más. Asegurar que la paleta de colores y el diseño de texto sean claros y legibles en todos los componentes y pantallas de la plataforma. Requisitos: Experiencia comprobada en la gestión de WordPress y configuración de sistemas de membresía. Fuerte habilidad ...

I'm looking for an Android developer to create a mobile app focused on Cyber Security. The app will need to have essential features such as login/registration and push notifications. In addition, it should integrate with external APIs. Key requirements: - Android app development experience - Proficiency with integrating external APIs - Familiarity with cyber security Your primary goal will be to deliver a secure, user-friendly, and well-integrated app for the Android platform. Please provide a brief overview of relevant projects you have worked on in the past.

...issues on my AEM website. The primary concern revolves around the incorrect integration of Adobe Analytics and Adobe Launch. The data not being tracked appropriately and some features aren't working as intended, creating a barrier in the website operations. Your role would be to diagnose the cause of these errors and rectify them. This would entail scrutinizing the system for technical fails, error codes, and implementation breakdowns. Relevant skills and experience: • Proven proficiency with Adobe Analytics and Adobe Launch • Understanding of AEM website operations • Ability to diagnose and resolve integration issues • Extensive experience in dealing with implementation errors Note: You will be guiding and providing solutions to my in-house team. An...

I am in need of a skilled PHP programmer to address an "undefined variable" error within my user authentication system. The system primarily relies on email and password authentication. Key Requirements: - The error lies within the user authentication system - The primary method of user authentication in the system is email and password Ideal Skills and Experience: - Proficiency in PHP, SQL - Experience with user authentication systems - Familiarity with handling undefined variable errors - Understanding of secure email and password authentication Your task is to identify the root cause of this error and implement a solution to rectify it. Please provide specific examples of similar work you have done in the past.

I am presently encountering some issues in my blockchain project. I am specifically dealing with problems that relate to: - The validation of certificates: The current smart contract validation process doesn't seem to be working correctly. - IPFS integration: There are certain problems with the IPFS client library mode of interaction I'm using. - METAMASK connectivity: Getting connected with METAMASK has also been challenging. I'm seeking an adept blockchain developer to help me troubleshoot and resolve these issues. The perfect candidate would have extensive experience with IPFS, METAMASK, and smart contract validation. A background in debugging blockchain projects would also be highly regarded. Looking forward to productive collaborations.