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Daniel K.
Daniel K.United States
Full-Stack Engineer | AI, SaaS, Cloud

For more than 10 years, I’ve worked across frontend, backend, mobile, and cloud development, with a growing focus on AI-powered products and intelligent workflows. I build production applications with React, Next.js, TypeScript, Node.js, Python, PostgreSQL, and modern API architectures. My mobile experience includes Flutter and cross-platform product development. On the AI side, I work with LLM integrations, RAG pipelines, AI assistants, semantic search, document processing, and workflow automation. I can take these features beyond a prototype and integrate them into an existing SaaS platform or build the supporting product around them. I also handle AWS infrastructure, Docker, CI/CD, database design, and production deployment. I’m a good fit for projects that need someone who can understand the whole system rather than only one layer of the stack.

PythonLarge Language Models (LLMs)Next.jsNode.jsReact.jsiOS DevelopmentAndroid DevelopmentPostgreSQLAutomation TestingFigma
Marcus J.
Marcus J.United States
Web | Mobile | Ai & Vibe Coding

Over the past 10+ years, I’ve delivered mobile apps, web platforms, APIs, and backend systems for products in a range of industries. I’m comfortable joining a project at any stage: shaping an early idea, building an MVP, adding features to an established application, solving performance issues, or maintaining a production system. My core toolkit includes: 📱 Flutter, React Native, Swift, Kotlin 🌐 React, Next.js, Nuxt.js ⚙️ Node.js, Laravel, PHP, CodeIgniter 🗄️ MySQL, MongoDB, Firebase 🔌 REST APIs, Socket.IO and third-party integrations 🚀 Docker, GitHub and production deployment I can also work directly from Figma designs and handle releases for the App Store, Google Play, and web environments. The priority is always practical software: stable in production, understandable for the next developer, and flexible enough to evolve as the business grows.

FlutterReact NativeSwiftSwiftUIiOS DevelopmentAndroid SDKKotlinReact.jsNuxt.jsMySQLPHPAutomation TestingFFmpegVideo Processing
Alex M.
Alex M.United Kingdom
Senior Software Engineer | Web, Mobile, UI/UX & AI

With 15+ years in software development, I’ve helped build and launch products for early-stage startups as well as larger organizations. My background is deliberately broad. I develop React and Next.js frontends, React Native and Flutter mobile apps, and backend services with Node.js, NestJS, Java, .NET, and Python. I’ve also worked with Shopify, WordPress, cloud infrastructure, automation, and AI integrations. Beyond development, I also work on UI/UX design, from wireframes and user flows to responsive interfaces and production-ready designs in Figma. This allows me to think about both how a product works and how users actually experience it. What matters to me is how the software behaves after launch. I pay attention to architecture, API security, performance, deployment reliability, usability, and maintainability—not only whether a feature works on the day it is delivered. Clients can expect regular progress updates, working builds, and clear communication about technical and design tradeoffs. If I spot a risk or a simpler way to solve a problem, I’ll bring it up early. I can support a project from product planning and UI/UX design through development and production, or step into an existing codebase to add features, improve the user experience, optimize performance, and prepare it for the next stage of growth.

JavaPythonReact.jsNode.jsFlutterMobile TestingReact NativeResponsive DesignMaterial UICocos2dUnityPostgreSQLMySQLAppKit
Arjun M.
Arjun M.United States
Mobile & Full-Stack Developer | Flutter, Node.js

For the past 17+ years, I’ve been building web and mobile products for startups, businesses, and growing digital platforms. My experience covers the full development cycle — from turning an initial idea into a working product to improving and maintaining applications already in production. Here are some of the areas I work with regularly: ✅ Flutter & React Native ✅ Native iOS & Android development ✅ React, Node.js & Express ✅ WordPress & Magento ✅ REST APIs & authentication ✅ MySQL, MongoDB & Firebase ✅ AWS & cloud services ✅ Payment and third-party API integrations ✅ Figma to responsive UI Having worked across mobile, frontend, and backend development for many years, I’m comfortable taking ownership of features that span multiple parts of a product rather than focusing on just one layer. Whether you’re building an MVP, expanding an existing platform, or need an experienced developer to solve specific technical challenges, feel free to get in touch.

FlutterNode.jsReact.jsExpress.jsWordPressMySQLMongoDBFirebaseiOS DevelopmentAndroid DevelopmentFlutter DesktopWindows API
Thomas C.
Thomas C.United Kingdom
Product & UI/UX Designer

Great interfaces should make the product feel simpler, not just look better. That principle guides my work across web and mobile product design. I start by understanding the users, business goals, and product constraints, then translate them into clear flows, wireframes, prototypes, and polished interfaces. I can help with: 🎨 Product and UI/UX design 📱 Mobile app interfaces 🌐 Websites and landing pages ✏️ Wireframes and user flows 🧩 Interactive prototypes 📐 Design systems and responsive layouts I work closely with developers and stakeholders, so the final designs are not only visually consistent but also realistic to implement. Whether you’re starting with a rough concept or improving an existing product, I can help turn it into an experience that feels focused, intuitive, and ready for development.

Material DesignFigmaWireframingInteractive MockupsResponsive DesignAdobe Photoshop (UI)Logo DesignAdobe Animate