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I’m a Full Stack Blockchain & Web Developer with 4+ years of experience crafting smooth, scalable, and high-performance applications. My work blends clean UI/UX design with robust backend logic, optimized system performance, and secure, maintainable code. Based in Singapore and originally from China, I graduated from the Singapore University of Social Sciences with a BSc in Information and Communication Technology. My passion lies in building decentralized applications, integrating smart contracts, and collaborating closely with teams and clients to bring ideas to life. Whether it’s Web2 or Web3, frontend or backend, I aim to exceed expectations.
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AI Developer | Full Stack Developer | DevOps Specialist
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I am a senior Full Stack Developer with over 8 years of experience building secure and scalable web applications, specializing in the end-to-end development of high-performance digital solutions using Laravel and Vue.js. My expertise spans complex business ideas, from designing robust APIs and optimizing backend architecture to creating intuitive SaaS and e-commerce platforms. I have a proven track record with key contributions to projects like HasadPlus.com, Viavii, and Tajawal, with a focus on industries such as FinTech, ERP, and SaaS. Whether you require a full-stack solution from scratch or need a backend expert to refine your existing APIs, I deliver clean, maintainable, and efficient code that provides tangible business value.
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Senior Python Engineer (15+ yrs IT, 8+ yrs Python) specializing in Backend, Automation, and AI solutions. I deliver fast, practical, and production-ready software without unnecessary complexity. ➢ CORE EXPERTISE: AI Agents & LLM Integrations (including MCP) | Custom Telegram Bots | Web Scraping & Data Extraction | Automated Test Systems (QA) | API & Backend Development. ➢ HOW I WORK: I focus on small-to-medium freelance projects, valuing direct communication, clean architecture, and predictable delivery. Let’s automate your workflow!
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Hi! I'm a Fullstack/Frontend Developer with over 4 years of experience building user-centric and visually engaging web applications. I’ve successfully delivered over 12 projects across 5 teams, creating solutions that improve both business performance and user experience. My skill set includes React, TypeScript, Emotion, Express.js, and various state management tools. In addition to web platforms, I also have solid experience developing Progressive Web Apps (PWAs) and mobile applications using web technologies, enabling me to build cross-platform solutions that perform seamlessly on both web and mobile. I am passionate about clean code, modern UI/UX, and crafting high-quality, scalable applications. Open to freelance projects and exciting collaborations! 📧 Email: saeedmirzaee@protonmail.com 💬 Telegram: @saeedmirzaee7091
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I'm Armando, a senior full-stack engineer with 8+ years of experience building AI-powered automations and production-ready SaaS MVPs. I help startups and companies replace costly manual operations with intelligent systems using Next.js, Supabase, n8n, and OpenAI, delivering measurable ROI in weeks.
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Solidity smart contract developer with a full-stack JavaScript background and 4 production dApps deployed on Ethereum Sepolia. What I build: - EVM smart contracts (Solidity, Foundry) - Chainlink VRF / Automation integrations - Full-stack dApps (Next.js, wagmi, viem) - DeFi protocols, NFT marketplaces, DAOs - React / Next.js frontends - Node.js backends and REST APIs - DevOps: Docker, Kubernetes, CI/CD, AWS I write test-first, audit-minded code — self-audited 19 bugs across my projects before deployment. 300+ Foundry tests across all projects. Available for: - Smart contract development - Full-stack dApp development - Web3 frontend (Next.js + wagmi/viem) - React/Next.js frontend development - Node.js backend development - DevOps & infrastructure setup - Contract testing and review
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Passionate Web3 FullStack Developer
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👋 Hi, I'm Leonid Oleksiuk, founder and lead architect at Stellar Logic, a custom software development company based in Warsaw, Poland. I help clients build complex IT solutions: I design the architecture myself and deliver the project with my team, covering backend, frontend, cloud and CI/CD end to end. 🏆 Why work with us: ✔ As lead architect I design scalable systems that fit your budget and timeline. ✔ I can start solo and scale up to a full team (backend, frontend, DevOps, QA) as the project grows. ✔ Senior in-house developers, no outsourcing to random contractors. ✔ Clear communication, predictable delivery, high code quality. 🤝 Tell me about your project and I'll propose the right architecture and team setup.
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I am a senior Full-Stack Software Engineer and DevOps specialist with over 10 years of experience delivering scalable backend architectures, cross-platform mobile apps, and robust desktop solutions. What I bring to your project: • Robust Backends: Node.js, PHP, Java, Python, and SQL/NoSQL databases (MySQL, MongoDB, Oracle, SQLite). • High-Performance Frontends & Mobile: Responsive web apps using React and native-feel mobile apps using React Native. • Modern DevOps & Infrastructure: Automation, containerization, and orchestrations via Docker, Kubernetes, and optimized CI/CD pipelines. I specialize in taking complex software requirements and turning them into secure, production-ready systems. Let's build something great together.
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With over a decade in the software industry, I’ve learned that collaboration and mutual respect are the foundation of any successful team. My journey began with Microsoft technologies in 2007, working with .NET Framework 1.1 through to .NET 8. Over the years, I’ve gained deep experience in building scalable, enterprise-grade applications and backends using .NET, Python, and Node.js. I’ve led technical and DevOps efforts across industries—banking, telecom, travel, and blockchain—building robust infrastructure, increasing test coverage, and driving automation. From smart contract development and AI integrations to CQRS, DDD, Kubernetes, and CI/CD pipelines, I bring a hands-on, adaptive, and quality-driven mindset. Always eager to learn and explore, bridging the gap between development and operations, and delivering reliable, innovative solutions.
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Hello, Sir. Do you have a good idea related to blockchain? If yes, implementation is never problem! I am a blockchain architecture designer with 7 years of experience in blockchain technology and web development. My greatest skill is planning, designing, developing, testing, deploying and maintaining blockchain-based projects. I have achieved mastery over the full lifecycle of these projects, from conceptualization and architectural design through implementation, testing and deployment. There are several significant projects like Nova Solutions Tools(trading platform), Yearn Finance, ForwardProtocol, Justbet, Metadallion, Acotocracy, XFI, Factory etc. I take pride in my skills and believe that I can help you as a professional. Thank you.