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Contratar eboxgr
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. menos -
Contratar Asoenki
I'm a swing trader and a full-stack developer specialized in complex projects: APIs, trading strategies, artificial intelligence, automation, and data analysis, with expertise across multiple languages and platforms. What I can do for you: AI/Machine Learning: Development and integration of LLMs, predictive models,...I'm a swing trader and a full-stack developer specialized in complex projects: APIs, trading strategies, artificial intelligence, automation, and data analysis, with expertise across multiple languages and platforms. What I can do for you: AI/Machine Learning: Development and integration of LLMs, predictive models, recommendation systems, and custom AI-based solutions Automation: Web scraping, bots, automated workflows, and task scheduling to eliminate manual processes Data Analysis: ETL pipelines, data visualization, predictive analytics, and automated reporting Algorithmic Trading: Development of automated strategies and indicators for MQL4/5, PineScript, TradeStation, NinjaTrader, MultiCharts, and other platforms Web/Mobile Development: Websites, full-stack applications with API and external service integration I focus on working deliverables, not prototypes. I communicate clearly about timelines and feasibility, without unrealistic promises. If a project has technical issues, I highlight them immediately with concrete alternatives. Free post-sale support included for any bug fixes or code clarifications - a non-obvious aspect that ensures your project's continuity. Portfolio and reviews demonstrate completed work. Available for one-time projects or ongoing collaborations. Feel free to ask any questions, don't worry! I prefer to clarify everything before starting. menos -
Contratar gotucat
Top-rated Full-Stack Developer with 330+ successful projects, a 4.9★ average rating, and 12+ years of hands-on experience delivering reliable, scalable, and high-performance solutions. With a 99% Job Success rate and 94% client recommendations, I am trusted by global clients for consistent quality, clear...Top-rated Full-Stack Developer with 330+ successful projects, a 4.9★ average rating, and 12+ years of hands-on experience delivering reliable, scalable, and high-performance solutions. With a 99% Job Success rate and 94% client recommendations, I am trusted by global clients for consistent quality, clear communication, and dependable delivery. What I Do Best Full-Stack Web Development - React, Next.js, Angular, Node.js, Laravel, CodeIgniter, PHP Mobile App Development - React Native, Flutter, Ionic — cross-platform mobile apps for iOS & Android Backend & API Development - REST APIs, GraphQL, Microservices Architecture CMS & Platforms - WordPress, Joomla, Headless CMS, Custom Admin Panels Cloud & DevOps - AWS, DigitalOcean, CI/CD Pipelines, Server Optimization Payment Gateway Integrations - Stripe, PayPal, Razorpay, Apple Pay, Google Pay, Square, Braintree, Subscription & recurring billing systems, Webhooks, payouts & multi-currency payments Third-Party Integrations & Automation SSO, OAuth (Google, Facebook, Apple, Enterprise SSO), Firebase Authentication, Twilio (SMS, WhatsApp, Voice), SendGrid, Amazon SES (Transactional Emails), Zapier, Make (workflow automation), Metabase & BI tool integrations Google APIs (Maps, Analytics, Calendar, OAuth), Meta / Facebook APIs, Shopify, WooCommerce, CRM integrations, Custom third-party APIs & system integrations Database Design & Optimization - MySQL, MongoDB, PostgreSQL, Firebase, Supabase DevOps & Infrastructure - Docker, NGINX, cPanel, Deployment, Monitoring & Ongoing Maintenance Why Choose Me - 12+ years of professional full-stack development experience - 330+ successfully completed projects with proven results - 500+ happy clients with a strong delivery record - 99% Job Success & 94% client recommendation score - Clear, transparent communication with regular progress updates - Clean, secure, and well-documented code - Strong post-delivery support and long-term maintenance - Long-term partnership mindset — not just task completion, menos -
Contratar Pyyetru
Pyyetru Pyyetru
$50 USD / hora
⭐AlgoTrading Developer | NT8, TradingView, MT5, IBMoldova, Republic of⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script,...⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script, Python, Freqtrade, Backtrader, and CCXT. I help independent traders and small funds automate entries/exits, visualize edges, and get instant notifications to catch opportunities faster. I design systems to stay consistent across market regimes, withstand noise, slippage, latency, and partial fills, avoid overfitting, degrade gracefully when assumptions fail, and handle real-world edge cases like weekend gaps, news spikes, and low liquidity. ✅ Trading Platforms • IBKR TWS & IB Gateway API integration (ib_insync) • NT7 / NT8 strategies, indicators, addons • MT4 / MT5 indicators, Expert Advisors, • TradingView Pine Script indicators, strategies, screeners, alert webhook bridge • MultiCharts, QuantTower, Sierra Chart, Thinkorswim, Charles Schwab ✅ Backtesting & Quant Research • QuantConnect, VectorBT, Backtrader strategy backtesting, risk analysis • AI / RL strategy development (SB3, Gymnasium, SAC / PPO / A2C) ✅ Risk Analysis & Risk Management • Pre-trade risk checks (position limits, leverage) • Real-time P&L, drawdown & exposure monitoring with kill switches • Liquidity & execution risk (slippage, widening spread, commission, exchange fee) • Strategy risk validation (overfitting detection, walk-forward testing) ✅ Market Data & APIs • Stock market API integration & subscription cost optimization (IQFeed, DxFeed, Massive, AlphaVantage) ✅ Infrastructure, Observability, Data • Execution Engine • Kafka, Redis • Grafana, Prometheus • Trading performance monitoring dashboards • Time-series databases & tools: QuestDB, InfluxDB, TimescaleDB, ClickHouse, kdb+, ✅ Products & Licensing • Charting applications in C# Avalonia, Next.js • Copy trading tools • Trading product licensing ==================================================================================== "I believe the current trade I am in will be a loser ... a big loser at that." Larry Williams "Throughout all my years of investing I've found that the big money was never made in the buying or the selling. The big money was made in the waiting." Jesse Livermore "Don’t focus on making money, focus on protecting what you have." Paul Tudor Jones "In trading, you have to be defensive and aggressive at the same time. If you are not aggressive, you are not going to make money, and if you are not defensive, you are not going to keep the money." Ray Dalio "Amateurs think about how much money they can make. Professionals think about how much money they could lose." Jack Schwager menos -
Contratar lokeshnadh6287
Verificación / QA, Verificación de usabilidad, Verificación de software, Verificación de páginas web, Testing de aplicaciones móviles⭐ Among Top 2% Freelancers ⭐☑️ 🛠️ "Verified & Preferred Freelancer | 14+ Years in Quality Assurance & software Testing Across Web, Mobile & Desktop."🛠️ 🎯 ISTQB Expert-Level Certified Software Tester 🎯 👋 Welcome & Thanks for Visiting My Profile! I’m a Full-time Freelance Software Quality Assurance Analyst with 14+...⭐ Among Top 2% Freelancers ⭐☑️ 🛠️ "Verified & Preferred Freelancer | 14+ Years in Quality Assurance & software Testing Across Web, Mobile & Desktop."🛠️ 🎯 ISTQB Expert-Level Certified Software Tester 🎯 👋 Welcome & Thanks for Visiting My Profile! I’m a Full-time Freelance Software Quality Assurance Analyst with 14+ years of proven industry experience in testing Desktop, Web, and Mobile (Android & iOS) Applications. My goal is to ensure bug-free, user-friendly, and high-performing software solutions for my clients. 🔹 My Services ✔️ Software Testing ✔️ Website Testing ✔️ Android Mobile App Testing ✔️ iOS Mobile App Testing ✔️ Desktop windows Application Testing ✔️ iPad Application Testing 🔹 Professional Summary ✨ 14+ years of hands-on experience in Software Testing & QA ✨ Specialized in Desktop, Web & Mobile App Testing ✨ Skilled in Test Plans, Test Scenarios, Test Cases, Execution & Reporting ✨ Proficient in Bug Lifecycle Management using tools like Jira, Bugzilla, Redmine, Mantis, HP ALM, TestRail, TestLink and more ✨ Strong analytical, documentation, and problem-solving skills ✨ Excellent client communication & collaboration abilities ✨ Detail-oriented team player with a focus on quality delivery 🔹 Web Application Testing Expertise 🌐 UI & Cross-Browser Testing ⚡ Smoke, Sanity, Integration & Regression Testing 🧩 Functional & System Testing 👨💻 Usability & Compatibility Testing 🚀 Performance & Load Testing 🔐 Security Testing 🌍 Localization & User Acceptance Testing 🔹 Mobile Application Testing Expertise 📲 Installation Testing 🧩 Functional Testing 👨💻 Usability & Compatibility Testing 🚀 Performance & Load Testing 🔐 Security Testing 🌍 Localization Testing 🔹 Tools & Platforms 🛠 Bug Tracking & Test Management Tools: JIRA | Mantis | Bugzilla | Redmine | Unfuddle | ClickUp | HP ALM | TestRail | TestLink | XStudio 💻 Test Devices Availability: ✔️ Windows (7, 8.1, 10, 11) ✔️ MacBook ✔️ Android devices (OS v8 – v15) ✔️ iPhones- 6S ,12, 15 ✔️ Samsung Galaxy Tab ✔️ iPad Mini 5 🔹 Test Deliverables 📑 100% coverage of test cases with execution status (Pass/Fail) 📊 Detailed Bug/Issue Summary Report (Excel / Google Sheets) including: Issue Summary & Description Affected Devices/OS details Screenshots & Video Proofs Clear Steps to Reproduce 💬 Online availability for bug clarifications until resolution 💡 Why Choose Me? ✅ 14+ Years of Proven QA Experience ✅ Wide Range of Device & OS Coverage ✅ Clear, Transparent, & Timely Communication ✅ Commitment to Delivering Quality Software 📩 Let’s Connect! Feel free to reach out for any queries or project discussions — I’m always available to ensure your product is tested to perfection. ✨ Your Quality is My Priority! ✨ 🌍 "Your trusted QA partner for delivering software that works everywhere, every time." Thanks, Lokesh. 📌 Available for both short-term and long-term projects — committed to delivering quality, on-time results every time. menos -
Contratar dinhthi
I help startups and businesses build scalable web and mobile products from idea to launch. With 10+ years of experience, I specialize in Laravel, Next.js, Flutter, API integrations, SaaS platforms, marketplaces, healthcare systems, delivery platforms, payment flows, and AI-powered applications. What I can help you...I help startups and businesses build scalable web and mobile products from idea to launch. With 10+ years of experience, I specialize in Laravel, Next.js, Flutter, API integrations, SaaS platforms, marketplaces, healthcare systems, delivery platforms, payment flows, and AI-powered applications. What I can help you with: - Custom Web Applications - SaaS Platforms - Mobile Apps (iOS / Android) - Admin Dashboards & Back Office Systems - API Development & Third-party Integrations - Payment Gateway Integration - Real-time Features (tracking, chat, notifications) - MVP Development & Product Scaling I focus on clean architecture, performance, maintainability, and business-oriented solutions — not just coding features. If you need a reliable developer who can understand your product and deliver with clear communication, I’d be happy to help. menos -
Contratar martini002
Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software...Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. menos -
Contratar durgesh8527
I build clean, functional solutions fast across the full stack., scalable, and high-performing web & mobile applications that help businesses grow. With 12+ years of hands-on experience as a Full Stack Developer, I deliver end-to-end software solutions across web, mobile, and backend systems, including APIs and CMS...I build clean, functional solutions fast across the full stack., scalable, and high-performing web & mobile applications that help businesses grow. With 12+ years of hands-on experience as a Full Stack Developer, I deliver end-to-end software solutions across web, mobile, and backend systems, including APIs and CMS platforms like WordPress and Shopify. Specializing in: - Web Development: React, Next.js, Node.js, Python, PHP, Laravel, WordPress - Mobile Apps: React Native, Flutter, Android, iOS - APIs & Integrations: REST, GraphQL, payment gateways, third-party services - AI & Automation: Chatbots, OpenAI integrations, workflow automation - Cloud & DevOps: AWS, Docker, CI/CD pipelines, Linux server administration - Data: Excel automation, dashboards, data analysis, database design 🚀 What I Can Do ✔ Complete Software Solutions (Web + Mobile + API + CMS) ✔ End-to-End Web Application Development (Frontend + Backend) ✔ Mobile App Development (Hybrid & API-driven) ✔ Scalable API Development & Third-Party Integrations ✔ WordPress & Shopify (Custom Development & E-commerce) ✔ Backend Systems & Database Management ✔ Bug Fixing, Optimization & Performance Improvement 🛠 Tech Stack Frontend: React.js • Next.js • JavaScript • HTML5 • CSS3 • Bootstrap Backend: Node.js • Express.js • PHP • Laravel Mobile: React Native • Flutter Database: MySQL • MongoDB APIs: REST APIs • Third-Party Integrations • Payment Gateways CMS/E-commerce: WordPress • Shopify • WooCommerce Cloud & Tools: AWS • Git • cPanel ⭐ Why Clients Work With Me ✔ Quick Understanding of Requirements (Less back-and-forth) ✔ End-to-End Project Handling (Web + API + CMS) ✔ Fast Response & Clear Communication ✔ On-Time Delivery with Commitment ✔ Clean, Scalable & Production-Ready Code 🤝 Team Support Along with my core expertise in full stack development, I work with a small, trusted team of skilled professionals who specialize in areas like UI/UX design, graphics, and 3D/CAD modeling. This allows me to handle a wider range of project requirements while ensuring quality and timely delivery. 🎯 My Approach I focus on understanding your exact requirements and delivering efficient, reliable, and user-friendly solutions that help your business grow. 📩 Let’s Connect Let’s discuss your project and get it started without delay. I am ready to begin immediately. menos -
Contratar Dominantsoftech
I help startups and businesses build scalable SaaS platforms, AI-powered systems, and mobile apps. With 11+ years of experience and 100+ successful projects, I specialize in building high-performance solutions that combine modern tech with real business impact. What I can build for you: ✔ SaaS platforms (Web &...I help startups and businesses build scalable SaaS platforms, AI-powered systems, and mobile apps. With 11+ years of experience and 100+ successful projects, I specialize in building high-performance solutions that combine modern tech with real business impact. What I can build for you: ✔ SaaS platforms (Web & Mobile) ✔ AI-powered applications (Chatbots, automation, integrations) ✔ Custom web apps (Node.js / Laravel) ✔ Mobile apps (Flutter / iOS / Android) ✔ CRM & workflow automation systems I focus on scalable architecture, performance, and real-world business outcomes. If you're looking to build a serious product, let's connect. menos -
Contratar giaphung2k1
Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento,...Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento, CodeIgniter, and Shopify, I deliver exceptional results on time and within budget. 💻 My Expertise Backend Mastery ✓ PHP Frameworks: Expert in Laravel, CodeIgniter, CakePHP, and Yii. ✓ Python Expertise: Skilled in Flask, Django, FastAPI, Celery, and WebSocket integrations. ✓ Node.js Mastery: Experience with Express.js, NestJS, Hapi.js, Sails.js, and real-time applications using Socket.IO. ✓ Database Expertise: Proficient in MySQL, PostgreSQL, MongoDB, SQLite, NoSQL, and SQL Server--optimized for performance. ✓ API Development: Specializing in RESTful and GraphQL APIs with seamless third-party integrations. ✓ CMS Expertse: Extensive experience with Magento 1 & 2, WordPress, Squarespace, Shopify, and more. Frontend Excellence ✓ Core Languages: HTML5, CSS3, JavaScript (ES6+), TypeScript, jQuery. ✓ Frameworks/Libraries: Vue.js (Next and Nuxt), React, Angular, Alpine.js, Bootstrap, and Tailwind CSS. ✓ Specialties: Proficient in Progressive Web Apps (PWA), PSD/Figma-to-HTML conversions, ensuring pixel-perfect, responsive designs. ✨Services I Offer ✓ Custom Web Applications: Tailored solutions built from the ground up or optimized for performance. ✓ API Development & Integration: From RESTful to GraphQL, ensuring smooth data flow. ✓ E-commerce Solutions: Customization for platforms like Magento, Shopify, and WooCommerce. ✓ Scalable Backend Solutions: Designed for high-traffic systems. ✓ Frontend Development: User-friendly interfaces powered by Vue.js or React. ✓ Ongoing Maintenance & Support 🎯 Why Clients Choose Me ? ✔️ Proven Experience ✔️ Problem Solver ✔️ Commitment to Excellence ✔️Your Success is My Goal Results You Can Expect ✓ Optimized for performance and scalability. ✓ Aligning with your business goals and growth strategies. ✓ Focusing on performance, security, and scalability. Ready to Get Started? Let's connect today! I am committed to building long-term partnerships. Feel free to reach out with any questions or project inquiries. KEYWORDS: #WordPress #PHP #Laravel #Vue #MVC #Python #MySQL #WebDesign #WebAPI #NodeJS #ReactJS #Backend #Frontend #FullStack #Shopify menos
