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Senior Full-Stack Developer | Web & Mobile Platforms, Automation & Complex Integrations Full-stack developer based in Greece with over two decades of experience building web applications, digital platforms, and custom software solutions for agencies, startups, and organisations worldwide. Available for long-term...Senior Full-Stack Developer | Web & Mobile Platforms, Automation & Complex Integrations Full-stack developer based in Greece with over two decades of experience building web applications, digital platforms, and custom software solutions for agencies, startups, and organisations worldwide. Available for long-term collaborations, agency partnerships, and complex technical projects. I’ve collaborated with international digital agencies, private companies, and teams delivering solutions for governmental and defense-related projects, working in environments where reliability, security, and professionalism are essential. I am also a tech conference speaker and open-source contributor, including contributions to WordPress core, reflecting my long-term commitment to the development community and software quality standards. My focus is on translating complex requirements into stable, scalable systems. I don’t just build websites — I design and develop solutions that improve processes, automate workflows, and support long-term business growth. What I Can Help You With • Full-stack web application development • System architecture & technical consulting • Custom platforms and SaaS-style products • API development & third-party integrations • Automation systems and testing infrastructure • CMS & eCommerce solutions • Performance optimization & scalability • Cloud deployments & infrastructure • Mobile and hybrid applications Technical Approach I’m technology-agnostic and comfortable working across different stacks and system architectures. Over the years, I’ve designed and delivered solutions using a wide range of frontend frameworks, backend technologies, CMS platforms, and cloud environments, selecting the most appropriate approach based on performance, scalability, security, and long-term maintainability rather than being tied to a specific technology. Experience Includes • Large-scale web platforms • Custom automation and QA systems • Advanced CMS extensions and plugins • Reporting dashboards and internal tools • Mobile applications connected to cloud backends • Complex integrations across multiple systems What Clients Appreciate ✔ Deep experience and practical problem-solving ✔ Clean, maintainable, production-ready code ✔ Strong communication and reliability ✔ Ability to handle complex or undefined requirements ✔ Long-term technical thinking I’m comfortable collaborating with distributed teams or leading development independently from concept to deployment. If you’re looking for a developer who combines experience, technical depth, and business understanding, I’d be happy to discuss your project. ít hơn
Thuê eboxgr
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exequiel12ifran exequiel12ifran
$35 USD / giờ
Web & Mobile | React, Vue, Shopify, WP, OpenAIArgentinaI have 8+ years of experience with expertise in Solana, Rust, Python, PHP, and modern JavaScript frameworks like React and Vue.js, as well as cross-platform mobile development using Flutter and React Native. I specialize in building high-performance decentralized applications, scalable web platforms, and mobile apps...I have 8+ years of experience with expertise in Solana, Rust, Python, PHP, and modern JavaScript frameworks like React and Vue.js, as well as cross-platform mobile development using Flutter and React Native. I specialize in building high-performance decentralized applications, scalable web platforms, and mobile apps that deliver real value. From smart contract development on Solana with Rust, to robust backend systems in PHP and Python, and dynamic mobile and web frontends, I bring a full-stack skill set that bridges blockchain, web, and mobile technologies. I’m also experienced with CMS platforms like WordPress and eCommerce solutions such as Shopify, enabling me to deliver complete end-to-end digital solutions. With a strong focus on code quality, performance, and clear communication, I ensure smooth project execution and client satisfaction. Whether you’re looking to develop a DeFi protocol, a scalable mobile app, a dynamic frontend UI, or a fully customized CMS site, I have the expertise to turn your vision into reality. ít hơn
Thuê exequiel12ifran
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TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2025–2026 Proud Official Odoo Partner — delivering intelligent, enterprise-grade ERP & CRM solutions for global business excellence. 23rd profound member of the OpenJS Foundation, among tech giants like Google, Microsoft, IBM, Uber, and...TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2025–2026 Proud Official Odoo Partner — delivering intelligent, enterprise-grade ERP & CRM solutions for global business excellence. 23rd profound member of the OpenJS Foundation, among tech giants like Google, Microsoft, IBM, Uber, and Coinbase. Actively contributing to Official WordPress, the platform powering millions of websites. TAFSOL Technologies is an Award-Winning Digital Agency recognized by Clutch.co and Manifest as: 1. TOP B2B SERVICES by Clutch.co in Mobile App Development 2. MOST REVIEWED COMPANIES by The Manifest in Software Development Our team of skilled professionals has extensive experience in providing a wide range of digital services such as: ✅ AI Development & Integration to transform your business ✅ Mobile App Design and Development ✅ CRM Design and Development ✅ SAAS-based platform Design and Development ✅ ERP solutions Design and Development ✅ Website Design and Development ✅ Blockchain and smart contracts Development on Ethereum, BNB Smart Chain, Solana, Polygon, etc. ✅ PLC and SCADA System Support for industrial automation ✅ Logo and Graphics Designing Tech Stack We Are Proficient In: Frontend Development Frameworks ✅Reactjs ✅Nextjs ✅Vuejs ✅Angular ✅React Native ✅TypeScript ✅Tailwind CSS ✅Bootstrap ✅Storybookjs Backend Development Frameworks ✅Nodejs ✅Expressjs ✅Nestjs ✅Typescript ✅ASP.net ✅Core PHP ✅PHP Laravel ✅Python ✅Django ✅FastAPI ✅REST APIs ✅GraphQL ✅SOAP APIs Mobile Development ✅React Native ✅Flutter Databases ✅PostgreSQL ✅MongoDB ✅MySQL ✅SQL ✅Redis ✅Supabase ✅Neo4j (Graph Database) ✅Pinecone ✅Weaviate ✅FAISS ✅Chroma ✅pgvector Cloud and DevOps ✅AWS ✅Google Cloud ✅Microsoft Azure ✅Docker ✅Kubernetes ✅CI CD pipelines ✅Nginx AI and Automation ✅OpenAI APIs ✅RAG pipelines ✅Vector databases ✅LangChain ✅AI agents ✅OCR pipelines ✅Computer vision integrations CMS and Ecommerce ✅WordPress ✅Shopify ✅WooCommerce ✅Headless CMS ✅Sanity ✅Strapi Payments and Integrations ✅Stripe ✅PayPal ✅Affirm ✅Twilio ✅SendGrid ✅Google Maps API ✅Zapier Industrial Automation and Control Systems ✅PLC Programming ✅SCADA System Development ✅HMI Design ✅Industrial IoT integrations ✅Modbus communication ✅OPC UA integration ✅Siemens PLC systems ✅Allen Bradley PLC systems ✅Factory automation dashboards What We Offer: ✅ 100% Client Satisfaction Rate ✅ 200+ Years of Accumulated Team Experience ✅ 1500+ Satisfied Clients ✅ 200+ In-house Resources ✅ Clients in 55+ Countries ✅ Quick Response Time < 2–3 Hours ✅ 5-Star Rated Profile Across All Platforms ✅ Dedicated Project Managers with Fluent English ✅ Support 5 Days/Week in EST, PST, MST, GMT (Partial Weekend Support) ✅ Physical Presence in the UK, USA, UAE, and PK Let’s start a chat here on Freelancer to discuss your project and share our ideas with you. Google us “Tafsol Technologies” and explore our amazing services and reviews. Thanks for Visiting our Profile!! ít hơn
Thuê Tafsol
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Hello, I am glad to see you on my page. I am a full-stack programmer. For many years, I have coped with various kinds of platform languages. Here are my worked ranges: - JavaScript : React.js / Next.js / Vue.js / Nuxt.js / Angular.js / Node.js / Nest.js / Gatsby.js / Electron.js - Python : Django / Flask / Selenium...Hello, I am glad to see you on my page. I am a full-stack programmer. For many years, I have coped with various kinds of platform languages. Here are my worked ranges: - JavaScript : React.js / Next.js / Vue.js / Nuxt.js / Angular.js / Node.js / Nest.js / Gatsby.js / Electron.js - Python : Django / Flask / Selenium / OCR using Tesseract / Bot programming - PHP : Laravel / Yii / CodeIgniter / CakePHP - 3rd Party API : Firebase, Supabase, Parse / OneSignal / Twilio - Payment Integrations : Stripe, Paypal, ChargeBee, Square, Venmo, Klarna - DevOps using Cloud Services : AWS, Google Cloud, Azure and Hosting Services - Database Design : PostgreSQL / MySQL / MSSQL / MongoDB - Web Scrapping: Python / Php / C# / Javascript+ PlayWright / Puppeteer / Selenium / curl - Chrome extension Extendedly, I owned mobile app development skills using Flutter, React Native, Ionic, Xamarin, Unity, Swift, Kotlin etc. But I prefer to work on web projects. Using Electron, Flutter, React native, C# and Python, I created desktop applications in my previous roles. While seeking a new opportunity, I'm doing an internship working with Golang and Ruby. I am passionate about staying up-to-date with the latest web development trends and technologies, ensuring that my clients receive cutting-edge solutions. I am open to discussing your project requirements and providing a free consultation to explore how we can work together to achieve. Please feel free to get in touch with me with the questions you might have. Best Regards. Joizel Morojo ít hơn
Thuê morojojoizel
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AbhishekSingh08 AbhishekSingh08
$60 USD / giờ
Full-Stack Developer (7+ years) & Statistician 6+IndiaI am a Full-Stack Developer and Biostatistician with 7+ years of professional experience, offering two specialized services under one profile—advanced software development and high-quality statistical analysis. Clients can engage me for either role independently or both together, depending on project needs. 🔹...I am a Full-Stack Developer and Biostatistician with 7+ years of professional experience, offering two specialized services under one profile—advanced software development and high-quality statistical analysis. Clients can engage me for either role independently or both together, depending on project needs. 🔹 Full-Stack Developer (7+ Years) I design and develop scalable, secure, and high-performance web and mobile applications from concept to deployment. I handle the complete development lifecycle, including UI/UX design, backend architecture, database design, API development, testing, and cloud deployment. I focus on clean, maintainable code, performance optimization, and reliable system architecture—especially for data-driven and research-oriented platforms. Key Skills: Frontend: React, Angular, HTML5, CSS3, Bootstrap, Tailwind Backend: Node.js, Django, Flask, REST APIs, .NET Mobile Apps: React Native, Flutter Databases: PostgreSQL, MySQL, MongoDB, SQL Cloud & DevOps: AWS, Docker, CI/CD Testing, security, and performance optimization 🔹 Biostatistician & Statistician (6+ Years) I am an experienced Biostatistician and Statistician specializing in clinical research, biomedical studies, public health, and epidemiology. I support clients by converting raw data into accurate, reproducible, and publication-ready statistical results. My work is aligned with academic, clinical, and regulatory standards, ensuring results are reliable and clearly interpretable for decision-making, manuscripts, and presentations. Key Expertise: Study design, protocol review, and sample size calculation Clinical trial and biomedical data analysis Regression models, survival analysis, longitudinal data analysis Randomization and statistical modeling Tools: R, SAS, SPSS, Python Manuscript-ready tables, figures, and detailed reports Why Work With Me? Two specialized skill sets in one professional Clear separation of development and statistics work Strong communication and documentation High-quality, deadline-driven delivery ít hơn
Thuê AbhishekSingh08
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arhamsoftltd arhamsoftltd
$65 USD / giờ
Award-Winning ISO-Certified IT firm | Among Top 1%United States: ArhamSoft LLC is an ISO-certified software development company, proudly serving clients worldwide since 2007. With a strong presence across the USA, UK, Germany, UAE, and Saudi Arabia, we have delivered innovative, scalable, and business-driven solutions to organizations of all sizes. Over the years, we have had...: ArhamSoft LLC is an ISO-certified software development company, proudly serving clients worldwide since 2007. With a strong presence across the USA, UK, Germany, UAE, and Saudi Arabia, we have delivered innovative, scalable, and business-driven solutions to organizations of all sizes. Over the years, we have had the privilege of working with Fortune 500 companies, helping them achieve digital transformation with efficiency and excellence. As trusted technology partners, we hold official partnerships with Odoo, Salesforce, and Microsoft, enabling us to deliver cutting-edge solutions powered by the latest tools and platforms. With a team of dedicated professionals and a proven track record across industries, ArhamSoft continues to empower businesses with ERP systems, custom software, AI/ML, mobile applications, and enterprise-grade solutions that drive growth and long-term success. Our Expertise: - Artificial Intelligence (AI), Machine Learning (ML), and Natural Language Processing (NLP) - Blockchain & Web3 Solutions - Mobile App Development (iOS & Android) - Web Development & Custom SaaS Platforms - ERP & CRM Solutions (Odoo, Salesforce, Microsoft Dynamics) - Cloud Computing & Enterprise Software Integration & : - Presidential Award for Best Software Company - Clutch Top IT Service Provider - Pakistan Digital Award (PDA) 2021 - P@SHA ICT Award Winner (2021) - LCCI Best Software House Award & - ISO 9001:2015 Quality Management Systems - ISO 27001:2013 Information Security Management Salesforce Partner: https://appexchange.salesforce.com/appxConsultingListingDetail?listingId=a0NHu00000p0vBtMAI Odoo Partner: https://www.odoo.com/partners/arhamsoft-13313341 Microsoft Partner ? ISO Certified for Quality & Information Security Official Odoo, Microsoft & Salesforce Partner 18+ Years of Proven Industry Experience with 500+ global clients 100% Client Satisfaction Rate backed by long-term partnerships 230+ In-house Skilled Resources across AI, Web, Mobile, and Blockchain Full-Cycle IT Services: From strategy & development to deployment & support Proven Expertise in Complex, Enterprise-Scale Projects Strong QA & Security Practices ensuring compliance and reliability Customer-Centric Approach with transparent communication Agile & Scalable Delivery Models to fit startups, SMEs, and enterprises Award-Winning Company recognized for innovation & excellence : Looking to bring your next big idea to life or optimize your business with advanced technology? Lets make it happen together. Contact us today and discover how ArhamSoft can become your trusted technology partner. ít hơn
Thuê arhamsoftltd
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devitmd98 devitmd98
$35 USD / giờ
⭐ Accomplished Software Engineer | Full-stack ⭐Moldova, Republic ofHello ---- ---- ---- ---- ---- ---- ---- ---- As a seasoned full-stack web developer with 8 years of experience, I bring a combination of innovation, creativity, and technical expertise to every project. From leading development of large-scale applications to collaborating effectively with cross-functional teams, I...Hello ---- ---- ---- ---- ---- ---- ---- ---- As a seasoned full-stack web developer with 8 years of experience, I bring a combination of innovation, creativity, and technical expertise to every project. From leading development of large-scale applications to collaborating effectively with cross-functional teams, I consistently deliver high-quality results. My strength lies in translating complex requirements into functional interfaces that are intuitive for end-users, ensuring that projects are completed on-time and within budget. With a sharp eye for emerging trends and constant learning, I stay up-to-date with the latest technologies and modern frameworks, providing cutting-edge solutions to my clients. I am confident in my ability to bring fresh ideas to the table, and generate positive results for clients. If you're looking for a reliable, results-driven web developer who can take your online presence to the next level, I'm your guy. ít hơn
Thuê devitmd98
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We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS ...We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... ít hơn
Thuê tangramua
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Hi, I’m a Senior AI & Full-Stack Engineer. I build high-quality, scalable, and AI-driven applications using modern full-stack technologies and advanced LLM systems. With a strong Computer Engineering background and extensive hands-on experience across AI, backend, frontend, cloud, and automation, I deliver fast,...Hi, I’m a Senior AI & Full-Stack Engineer. I build high-quality, scalable, and AI-driven applications using modern full-stack technologies and advanced LLM systems. With a strong Computer Engineering background and extensive hands-on experience across AI, backend, frontend, cloud, and automation, I deliver fast, reliable, and production-ready solutions. Core Skillset - AI & LLM Engineering OpenAI GPT models, embeddings, RAG pipelines, vector databases, intelligent agents, automation workflows, custom ML integrations - Full-Stack Development React, Next.js, Vue.js, Node.js, Express, Nest.js - Backend & APIs REST, GraphQL, authentication systems, microservices, 3rd-party API integrations - Databases PostgreSQL, MySQL, MongoDB, Prisma, schema design, SQL optimization - Systems & Scripting Python, Rust, C++, C# - Cloud & DevOps Docker, CI/CD, Linux, server deployments, performance tuning - Blockchain Smart contracts, DApps, Web3 integrations Experience - Delivered end-to-end AI solutions using OpenAI LLMs, embeddings, automation workflows, and custom ML pipelines - Built full-stack web apps and SaaS platforms with secure, scalable, and maintainable architectures - Designed and deployed backend APIs, data systems, and high-performance services - Developed internal tools and platform services in Python, Rust, and C++ - Created reliable blockchain applications, smart contracts, and on-chain integrations ít hơn
Thuê IliasTsironis1
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emmanuelv0826 emmanuelv0826
$30 USD / giờ
Senior AI & Full-Stack Engineer | Mobile (Flutter)ColombiaSenior Full-Stack Developer specializing in AI, Python, PHP, Node.js, Next.js, C#, TypeScript, React.js, Flutter, React Native, and iOS, with strong experience in Ecommerce platforms and custom solutions. I build scalable, production-ready web and mobile applications with clean architecture, high performance, and...Senior Full-Stack Developer specializing in AI, Python, PHP, Node.js, Next.js, C#, TypeScript, React.js, Flutter, React Native, and iOS, with strong experience in Ecommerce platforms and custom solutions. I build scalable, production-ready web and mobile applications with clean architecture, high performance, and measurable business impact. Proven expertise in AI/LLM (OpenAI) integration, intelligent automation, and full lifecycle product development. Core Skill Set AI & LLM Integration (OpenAI) Ecommerce Systems & Payment Integrations Backend APIs & Microservices Full-Stack Architecture Mobile App Development Cloud & Serverless Solutions Database Design & Optimization Third-Party Integrations Performance, Security & Scalability CI/CD & Deployment Agile & Remote Collaboration ít hơn
Thuê emmanuelv0826
