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I'm a Senior Backend-Oriented Full-Stack Developer with 15+ years of commercial experience. I specialize in building MVPs, SaaS platforms, business systems, APIs, integrations, and scalable backend architecture. I've already delivered 3 MVPs from scratch - from idea, technical planning, database structure, and backend architecture to frontend implementation, deployment, and production support. My core strength is backend development with TypeScript, Nest.js, Node.js, PostgreSQL, Redis, Next.js, RabbitMQ, BullMQ, REST APIs, microservices, authentication, monorepo, queues, background jobs and third-party integrations. I can help you: - turn an idea into a clear technical plan; - design the backend architecture and database; - build a clean and scalable API; - implement the frontend when needed; - integrate external services; - deploy the product to a server; - support and improve the product after launch. Core stack: Node.js, TypeScript, Nest.js, Next.js, Express.js, Fastify, React, PostgreSQL, MySQL, Redis, BullMQ, RabbitMQ, Docker, AWS, Prisma, Sequelize, Drizzle, PHP, JavaScript I don’t just write code - I build working products with reliable backend foundations.

Hello Upwork Customers, Thank you for visiting my profile page. I’m a professional developer with a Master’s Degree in computer science and more than eight years of extensive experience in web development. I have a strong background in modern web technologies and specialize in the following tech stack: - Javascript (ES5/ES6), Typescript - Node.js - HTML5, CSS3 (+ SVG, canvas, Web APIs) - Frameworks: React.js, Next.js, Express.js - Databases: MySQL, MongoDB, Redis, Memcached - FTS: Elasticsearch - REST/GraphQL (Apollo) - Git, GitHub - Linux, Bash I’m looking for the opportunity to utilize my skills in full-time or part-time work.

As the Founder and CEO of CimpleO, I bring over 12 years of experience in leading a hi-end software development company specializing in Web, Mobile Apps, IoT hardware, and microchip firmware. My journey began with a small team of engineers in Omsk, and today, CimpleO is an award-winning production studio with a global presence in Bangkok and Hong Kong. Experience and Skills: I have a proven track record of delivering complex projects on time and within budget. My expertise spans across various technologies and frameworks, ensuring that we provide robust and scalable solutions tailored to your needs. Here are some of the key areas of my technical proficiency: - Backend Development: Node.js, Nest.js, Express, Laravel, CodeIgniter - Frontend Development: React, React Native, Next, Vue, Angular - Embedded Systems: C, C++, Arduino, ESP32, ESP8266, STM32, AVR - CMS: Drupal, WordPress - Databases: PostgreSQL, MySQL, MongoDB - DevOps: Kubernetes, Docker, CI/CD Management and Leadership: My role extends beyond technical expertise. As a technical managing partner, I focus on optimizing processes, managing cross-functional teams, and ensuring seamless project execution. I am committed to fostering a collaborative environment that drives innovation and excellence. Why Choose Us? - Speedy Turnaround: We understand the importance of timely delivery and ensure quick turnaround times without compromising quality. - 100% Satisfaction Guaranteed: Your satisfaction is our priority. We offer revisions until you are completely satisfied with the results. - Excellent Support: Our support doesn’t end with the project. We provide continuous assistance even after the contract ends, ensuring long-term success for your projects. I invite you to experience the difference with CimpleO. You will have 2 trial days to decide, and if you are not satisfied, we offer a full refund. Let’s embark on this journey together and take your projects to new heights. Looking forward to collaborating with you!