Hire the Best Kubernetes Developers
in Japan

Hi, I’m Yoshiyuki - a full‑stack and front‑end web developer with 25+ years in IT and 13 years building modern web applications. I love creating clean, user‑friendly, and scalable software, and I enjoy working closely with clients to turn ideas into something real and useful. My main tools are Angular, Java, TypeScript, Node.js, AWS, and Google Cloud, and I’ve recently added AI‑accelerated development to my workflow. Using tools like Copilot and Claude helps me move faster, explore more ideas, and deliver MVPs and prototypes quickly - while still keeping the code clean and maintainable. What I can help you build - Fast MVPs and prototypes - Internal tools and dashboards - CRUD applications - Front‑end architecture (Angular specialist) - Cloud‑ready applications (AWS / GCP) - AI‑assisted development for rapid delivery A bit about my background I’ve led teams, built internal Angular libraries used across 10+ teams, redesigned front‑end architectures for long‑term sustainability, and delivered MVPs for government and enterprise clients. I’m comfortable taking a rough idea and turning it into a working product. How I work - Friendly and easy to communicate with - Clear explanations and regular updates - Clean, maintainable code - Fast iteration using AI‑assisted workflows - Flexible with time zones and schedules If you’re looking for someone who can move quickly, collaborate openly, and deliver solid, future‑ready software, I’d be happy to help bring your project to life.

👋 Hello and welcome! I’m a passionate Senior Full-Stack Developer with 9+ years of experience, specializing in modern frontend & backend frameworks, AI, Web Scraping, Web3, and Mobile App Development. I don’t just write code—I craft high-performance, scalable, and future-ready solutions tailored to your unique needs. Whether you're a startup looking to disrupt the market or an established business aiming for digital transformation, I'm here to bring your vision to life. What I Can Do for You: ✅ Frontend Excellence: React.js, Next.js, Vue.js, Svelte, Angular, TypeScript, Tailwind CSS, Material-UI ✅ Backend Mastery: Node.js (Express/Nest.js), Python (Django/Flask), Laravel, Java Spring, .NET ✅ AI & Web3 Solutions: ChatGPT/OpenAI, TensorFlow, Blockchain, Smart Contracts, Solidity, NFT Platforms ✅ Web Scraping & Automation: Puppeteer, Selenium, Scrapy, BeautifulSoup, Reverse Engineering, Captcha Bypass ✅ Mobile App Development: React Native, Flutter, Swift, Kotlin, Expo – delivering seamless cross-platform experiences ✅ Database & API Integration: MySQL, PostgreSQL, MongoDB, Redis, Firebase, REST, GraphQL, Stripe, Twilio, Google Maps ✅ DevOps & Cloud: AWS, GCP, Docker, Kubernetes, CI/CD Pipelines Why Clients Love Working With Me: - 100% Client Satisfaction – I treat every project as my own and strive for perfection. - Fast & Reliable – Clear communication, quick execution, and on-time delivery. - Scalable & Secure Code – Best practices for performance optimization & cybersecurity. - Innovative Problem-Solver – I don’t just build software; I create solutions that drive success. - Long-Term Collaboration – I aim to build lasting relationships with my clients. Let’s build something amazing together! Message me now and let’s discuss how I can help you achieve your goals.

Hi, I’m Ollie. I’m a full-stack developer based in Japan with over 5 years experience specialising in modern React and Svelte applications. Whilst working at a leading London digital agency, I delivered full-stack solutions for Dell, Lenovo, Hitachi, Juniper, and AWS, ranging from custom web apps to high-converting landing pages. What you get working with me: ✔ Clean and readable code over abstraction ✔ Mobile first, accessibility built-in ✔ Pragmatic TDD approach where it adds value ✔ Clear and honest communication ✔ Fast iteration - 2 years experience with Cursor ✔ Affordable hourly rate On AI: I use Cursor, Codex and CC but never blindly. I work from refined context docs to maintain standards across projects and always review any generated code. Core frontend: - Either React (Vite), Next.js or SvelteKit - TypeScript or JavaScript - Tailwind or Sass Other frontend experience: Astro, Framer Motion, Jest + RTL, Vitest, React Query, Zod, Zustand Core backend: - Express - Django or FastAPI - Supabase (preferred BaaS) or Firebase Other backend experience: Symfony, Laravel, Phoenix Infra and other tools: - AWS (S3 + CloudFront) - Docker - Figma - Github Actions - Electron - Kubernetes - Sanity For mobile: - Capacitor - Android Studio I'm looking forward to working with you.

I’m a Backend, AI, and Automation Engineer who helps businesses streamline operations, reduce complexity, and launch reliable products quickly. With experience spanning backend systems, workflow automation, and cloud DevOps, I specialize in transforming ideas into production-ready solutions and guiding projects from concept to MVP. Core Expertise: -AI & LLMs: Built intelligent assistants using GPT, Claude, and Gemini with RAG pipelines, JSON outputs, and evaluation frameworks—supporting industries like healthcare, finance, and e-commerce. -Workflow Automation: Designed and deployed automation with Zapier and n8n to connect tools such as Gmail, Google Sheets, Slack, CRMs, and payment systems, improving efficiency and eliminating repetitive tasks. -Backend Systems: Developed RESTful APIs in Node.js/Express and Python/FastAPI, integrating with PostgreSQL and Redis to support high-demand applications with clean, scalable architecture. -DevOps & Cloud: Set up CI/CD pipelines with GitHub Actions, Docker, and Kubernetes. Deployed solutions on AWS, GCP, and Azure with secrets management, monitoring, and rollback strategies for reliable delivery. -MVP Development: Worked with founders to shape ideas into functional MVPs, covering architecture design, backend services, AI integration, and cloud deployment—delivering ready-to-demo products from scratch. -Bot Development: Built and maintained Discord bots, Telegram bots, and crypto trading bots, integrating real-time APIs, event handling, and automation logic to deliver interactive and revenue-focused tools. I bring a mix of hands-on coding, architectural design, and automation expertise, so you get solutions that are functional, scalable, and secure. Clients value my ability to deliver quickly, adapt to evolving needs, and provide clear documentation for long-term maintainability. If you’re looking for someone who can blend AI innovation with backend reliability, DevOps best practices, MVP development, and bot automation, let’s connect and start building.

I currently work as a payment infrastructure developer and have experience in tasks ranging from creating design documents to implementation and testing. In the past, I have also been involved in managing infrastructure and automating workflows for major enterprises using Google Cloud and Azure. Previously, I developed an educational app used by over 220,000 users, taking charge from creating the design to the initial release. I also worked on a travel-focused social networking service, managing the process from requirement definition to release. Through these experiences, I have learned how to manage every step of a project, from requirements definition to development. My main skills include development with PHP, Java, Python, and Go. I also build systems using cloud platforms like AWS and Google Cloud. I am eager to learn new technologies and tools and strive to contribute to the success of projects with effort and dedication.

With over 15 years of experience in the software industry, I've developed a strong foundation in multiple programming languages, including Python, Java, and PHP. As a seasoned Python Developer with expertise in Artificial Intelligence and DevOps, I help businesses like yours harness the power of machine learning, automation, and data insights to drive growth, innovation, and success. My extensive experience has equipped me with a unique ability to understand complex project requirements and deliver high-quality solutions that meet and exceed client expectations. My expertise includes: * Developing and deploying machine learning models using scikit-learn, TensorFlow, and PyTorch * Designing and implementing automated pipelines using Docker, Kubernetes, and Jenkins * Building and integrating APIs using Flask and Django * Collaborating with cross-functional teams to identify and prioritize project requirements * Ensuring continuous integration and continuous deployment (CI/CD) using Github ACTIONS, GitLab CI/CD, CircleCI, and Travis CI Throughout my career, I've had the opportunity to work on numerous projects, leveraging my skills in Python, Java, and PHP to drive technical innovation and deliver results-driven solutions. I'm committed to staying up-to-date with the latest advancements in AI and DevOps, and I'm passionate about helping businesses like yours navigate the complexities of these technologies.