I am a Creative and Technical Lead with 12 years of experience bridging the gap between brand strategy and high-performance engineering. I specialize in scaling digital platforms using modern stacks (T3, Vue, Laravel) and high-scale WordPress ecosystems, and AI-integrated systems, including hybrid search engines and automated data pipelines. I am a proven leader in managing end-to-end migrations and product overhauls, including a recent project that drove a 55% increase in subscriptions within 10 months through optimized UX and programmatic SEO. I thrive at the intersection of product, design, and engineering, delivering secure, scalable architectures, data-driven growth, and delightful user experiences. I’ve partnered with agencies and startups across global markets, built SaaS widgets and cross-domain integrations, and led branding and go-to-market initiatives that align technical delivery with business outcomes.…I am a Creative and Technical Lead with 12 years of experience bridging the gap between brand strategy and high-performance engineering. I specialize in scaling digital platforms using modern stacks (T3, Vue, Laravel) and high-scale WordPress ecosystems, and AI-integrated systems, including hybrid search engines and automated data pipelines. I am a proven leader in managing end-to-end migrations and product overhauls, including a recent project that drove a 55% increase in subscriptions within 10 months through optimized UX and programmatic SEO. I thrive at the intersection of product, design, and engineering, delivering secure, scalable architectures, data-driven growth, and delightful user experiences. I’ve partnered with agencies and startups across global markets, built SaaS widgets and cross-domain integrations, and led branding and go-to-market initiatives that align technical delivery with business outcomes.

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MARICICA-VIOLETA MARGARINT

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 Brasov, Romania

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Expert in: GitHub, Java, TypeScript + 5 more

Hi, I'm Maricica-Violeta Margarint, a Full-Stack Developer based in Brasov, Romania. I build modern web applications using React, Next.js, and TypeScript, focusing on scalable front-end interfaces, API design, and database integration. I work across Java, Node.js, and Python ecosystems, with a strong emphasis on clean code, maintainability, and performance. I'm comfortable collaborating in Agile teams and continuously learning to deliver robust, high-quality software.…Hi, I'm Maricica-Violeta Margarint, a Full-Stack Developer based in Brasov, Romania. I build modern web applications using React, Next.js, and TypeScript, focusing on scalable front-end interfaces, API design, and database integration. I work across Java, Node.js, and Python ecosystems, with a strong emphasis on clean code, maintainability, and performance. I'm comfortable collaborating in Agile teams and continuously learning to deliver robust, high-quality software.

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Lina Yinseth Jaramillo Guevara

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 Cali, Colombia

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Expert in: React JS, Python, HTML5 + 20 more

I am a Senior AI and Full Stack Engineer with a strong engineering foundation and proven experience building scalable, intelligent web applications across diverse industries. I specialize in AI/ML, Python, PHP, TypeScript, MERN, Flask, Django, FastAPI, and WordPress, delivering high-performance front-end experiences and secure, scalable back-end systems. I collaborate effectively with cross-functional teams to translate complex business requirements into reliable, production-ready solutions.…I am a Senior AI and Full Stack Engineer with a strong engineering foundation and proven experience building scalable, intelligent web applications across diverse industries. I specialize in AI/ML, Python, PHP, TypeScript, MERN, Flask, Django, FastAPI, and WordPress, delivering high-performance front-end experiences and secure, scalable back-end systems. I collaborate effectively with cross-functional teams to translate complex business requirements into reliable, production-ready solutions.

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Full Stack DeveloperWeb DeveloperFront-End Developer

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Expert in: Docker, TypeScript, JavaScript + 11 more

Full Stack Developer with 4+ years of experience building and operating production web and mobile platforms. Specialized in React, Next.js, React Native (Expo), NestJS, TypeScript, and Python, with strong ownership of self-hosted infrastructure, observability, and event-driven systems + background job workflows. Proven track record optimizing performance, reducing costs, and delivering reliable systems at scale.…Full Stack Developer with 4+ years of experience building and operating production web and mobile platforms. Specialized in React, Next.js, React Native (Expo), NestJS, TypeScript, and Python, with strong ownership of self-hosted infrastructure, observability, and event-driven systems + background job workflows. Proven track record optimizing performance, reducing costs, and delivering reliable systems at scale.

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Tenggis Munkhbaatar

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 Ulaanbaatar, Mongolia

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Expert in: React JS, JavaScript, Node.js + 7 more

I’m a Frontend / Fullstack Engineer with 4+ years of experience building web apps and back-office platforms in logistics, ride-hailing, analytics and Web3. My main tools are React, Next.js and TypeScript on the frontend, combined with Node.js or Elixir/Phoenix on the backend using PostgreSQL. Recently I’ve focused on DAO analytics and Web3 interfaces, working on wallet-based UIs and dashboards for on-chain data at StableLab, as well as a B2B restaurant–supplier logistics platform for a German client (Next.js + Elixir/Phoenix). In previous roles I contributed to high-traffic products like food delivery, ride-hailing, auctions and gaming marketplaces used by 1M+ users. I’m especially interested in remote roles where I can combine strong frontend skills with modern backends (Elixir/Phoenix or Node.js) to build products that are both pleasant to use and solid under the hood.…I’m a Frontend / Fullstack Engineer with 4+ years of experience building web apps and back-office platforms in logistics, ride-hailing, analytics and Web3. My main tools are React, Next.js and TypeScript on the frontend, combined with Node.js or Elixir/Phoenix on the backend using PostgreSQL. Recently I’ve focused on DAO analytics and Web3 interfaces, working on wallet-based UIs and dashboards for on-chain data at StableLab, as well as a B2B restaurant–supplier logistics platform for a German client (Next.js + Elixir/Phoenix). In previous roles I contributed to high-traffic products like food delivery, ride-hailing, auctions and gaming marketplaces used by 1M+ users. I’m especially interested in remote roles where I can combine strong frontend skills with modern backends (Elixir/Phoenix or Node.js) to build products that are both pleasant to use and solid under the hood.

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Expert in: TypeScript, Node.js, React JS + 11 more

As someone who is highly focused and attentive to detail, I thrive on building quality systems that surpass end users’ expectations. I’m thrilled at the opportunity to show off my technical expertise and leadership skills as part of your firm’s expert team. During my professional career, I was charged with developing innovative solutions across a variety of software platforms. I have been instrumental in developing mobile-ready software and am equally comfortable working independently as well as collaboratively in team settings. https://mushoodhanif.com https://linkedin.com/in/mushood-hanif https://github.com/divinedemon…As someone who is highly focused and attentive to detail, I thrive on building quality systems that surpass end users’ expectations. I’m thrilled at the opportunity to show off my technical expertise and leadership skills as part of your firm’s expert team. During my professional career, I was charged with developing innovative solutions across a variety of software platforms. I have been instrumental in developing mobile-ready software and am equally comfortable working independently as well as collaboratively in team settings. https://mushoodhanif.com https://linkedin.com/in/mushood-hanif https://github.com/divinedemon

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Jay Malve

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 Boulder, United States

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Expert in: JavaScript, Java, AWS + 19 more

Hi clients at Twine, I’m a final-year MS student at CU Boulder and a founding engineer at Normal Finance, where my Rust infra moves $1M+ monthly DeFi volume. I build open source projects like SyncRabbit (sub-10ms realtime DB sync engine) and FlickJS (a deterministic TypeScript framework outperforming React in benchmarks). Previously did a YC W24 work trial at Greptile and have 4+ years building at startups in the US and Dubai. I also created tools like Fixdog, Driftal, Infyn, and Mockmouse, and I’m a 10× global hackathon winner (Hack Junction Helsinki, UC Berkeley AI Hackathon, ETHGlobal). Best, Jay…Hi clients at Twine, I’m a final-year MS student at CU Boulder and a founding engineer at Normal Finance, where my Rust infra moves $1M+ monthly DeFi volume. I build open source projects like SyncRabbit (sub-10ms realtime DB sync engine) and FlickJS (a deterministic TypeScript framework outperforming React in benchmarks). Previously did a YC W24 work trial at Greptile and have 4+ years building at startups in the US and Dubai. I also created tools like Fixdog, Driftal, Infyn, and Mockmouse, and I’m a 10× global hackathon winner (Hack Junction Helsinki, UC Berkeley AI Hackathon, ETHGlobal). Best, Jay

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Expert in: TypeScript, MongoDB

I'm Alexandra Crisan, a frontend-focused software engineer with 10+ years of contracting experience building scalable web applications using React, TypeScript, and Next.js. I'm comfortable across the stack with tools like tRPC, Prisma, and Node.js. I thrive in a synchronous remote team, write clean, tested code, and care deeply about the product, the user, and the people I collaborate with. I value collaboration, learning, and delivering high-quality software that makes a real difference for users.…I'm Alexandra Crisan, a frontend-focused software engineer with 10+ years of contracting experience building scalable web applications using React, TypeScript, and Next.js. I'm comfortable across the stack with tools like tRPC, Prisma, and Node.js. I thrive in a synchronous remote team, write clean, tested code, and care deeply about the product, the user, and the people I collaborate with. I value collaboration, learning, and delivering high-quality software that makes a real difference for users.

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Front-End DeveloperWeb DeveloperFull Stack Developer

Anthony Tran

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 Cocoa, United States

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Expert in: React JS, JavaScript, TypeScript + 8 more

I'm Anthony Tran, a Senior Frontend Engineer with 8 years of experience building high-performance web and mobile applications using modern JavaScript frameworks like React.js, Next.js, and React Native. I thrive delivering intuitive user interfaces across industries such as digital media, healthcare, fintech, e-commerce, and education, in both startup and large-enterprise environments.…

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Expert in: TypeScript, React Native, JavaScript + 17 more

I'm a Fullstack Engineer with a strong focus on building intuitive, high-performing user interfaces for web and mobile using React.js, Next.js, and React Native. I'm passionate about crafting seamless frontend experiences that feel native and engaging, whether on the browser or mobile devices. On the backend, I work with Node.js and NestJS to build scalable APIs, implement real-time features, and support complex app logic. My experience spans deploying cross-platform apps, integrating third-party services, and contributing to open-source projects that make a real impact. I thrive in environments where product thinking meets strong engineering, and I'm fluent in both English and French, ready to collaborate with diverse teams and ship meaningful software.…I'm a Fullstack Engineer with a strong focus on building intuitive, high-performing user interfaces for web and mobile using React.js, Next.js, and React Native. I'm passionate about crafting seamless frontend experiences that feel native and engaging, whether on the browser or mobile devices. On the backend, I work with Node.js and NestJS to build scalable APIs, implement real-time features, and support complex app logic. My experience spans deploying cross-platform apps, integrating third-party services, and contributing to open-source projects that make a real impact. I thrive in environments where product thinking meets strong engineering, and I'm fluent in both English and French, ready to collaborate with diverse teams and ship meaningful software.

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Full Stack DeveloperWeb DeveloperProgrammer

Ivan Tran

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 Melbourne, Australia

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Expert in: JavaScript, TypeScript, Node.js + 8 more

I'm a self-taught full-stack engineer with a portfolio of personal and academic projects spanning JavaScript, TypeScript, the MERN stack, Next.js, and Python. I apply clean code principles, feature branch workflows with pull request reviews, and AI-assisted code review via CodeRabbit. I have completed nearly 200 algorithmic challenges on LeetCode with a 71% acceptance rate. I am HackerRank certified in JavaScript Basic and Frontend Developer (React).…I'm a self-taught full-stack engineer with a portfolio of personal and academic projects spanning JavaScript, TypeScript, the MERN stack, Next.js, and Python. I apply clean code principles, feature branch workflows with pull request reviews, and AI-assisted code review via CodeRabbit. I have completed nearly 200 algorithmic challenges on LeetCode with a 71% acceptance rate. I am HackerRank certified in JavaScript Basic and Frontend Developer (React).

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Full Stack DeveloperWeb DeveloperBack-End Developer

Lionel Ghogue Ngondeke

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 Mauritius

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Expert in: TypeScript, React JS, Python + 15 more

I am a Senior FullStack Developer with over 8 years of experience, passionate about web development, software architecture, and technological innovation. I am detail-oriented, ambitious, and committed to continuous improvement. I have strong experience across backend and frontend technologies, including Python, PHP, TypeScript, ReactJS, and Next.js. I am also familiar with DevOps and machine learning practices, continuous integration, and deployment in modern cloud environments. I am reliable and fully dedicated to the success of every project entrusted to me.…I am a Senior FullStack Developer with over 8 years of experience, passionate about web development, software architecture, and technological innovation. I am detail-oriented, ambitious, and committed to continuous improvement. I have strong experience across backend and frontend technologies, including Python, PHP, TypeScript, ReactJS, and Next.js. I am also familiar with DevOps and machine learning practices, continuous integration, and deployment in modern cloud environments. I am reliable and fully dedicated to the success of every project entrusted to me.

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Back-End DeveloperFull Stack DeveloperAI Engineer

Back-End DeveloperFull Stack DeveloperAI Engineer

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Expert in: SQL, Node.js, MySQL + 24 more

Dynamic Senior Backend Engineer with over 8 years of expertise in blockchain integrations and wallet infrastructure. Proven track record in designing and deploying scalable backend solutions that support multi-chain ecosystems and high-performance applications. Notable achievements include enhancing campaign targeting accuracy by over 30% and successfully managing airdrop distributions to 50,000+ wallets. Committed to driving innovation and ensuring robust security in decentralized systems, poised to deliver exceptional value to any organization aiming to leverage blockchain technology.…Dynamic Senior Backend Engineer with over 8 years of expertise in blockchain integrations and wallet infrastructure. Proven track record in designing and deploying scalable backend solutions that support multi-chain ecosystems and high-performance applications. Notable achievements include enhancing campaign targeting accuracy by over 30% and successfully managing airdrop distributions to 50,000+ wallets. Committed to driving innovation and ensuring robust security in decentralized systems, poised to deliver exceptional value to any organization aiming to leverage blockchain technology.

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