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I’m a full-stack software engineer based in Lviv, Ukraine, focused on building production-ready web applications and reliable backend services. I enjoy turning complex product requirements into clean TypeScript/JavaScript implementations, integrating APIs, and designing systems that perform well and scale. In my recent work, I’ve shipped features across React/Next.js frontends and Node.js backends (including Nest.js/Fastify/Express), working with real-time updates (e.g., WebSockets), databases (PostgreSQL/MySQL/MongoDB), and event-driven flows (Kafka). I also have strong cloud and infra experience with AWS/Azure and Terraform, plus AI-related development/testing involving routing across models like ChatGPT, Gemini, Perplexity, and others.…I’m a full-stack software engineer based in Lviv, Ukraine, focused on building production-ready web applications and reliable backend services. I enjoy turning complex product requirements into clean TypeScript/JavaScript implementations, integrating APIs, and designing systems that perform well and scale. In my recent work, I’ve shipped features across React/Next.js frontends and Node.js backends (including Nest.js/Fastify/Express), working with real-time updates (e.g., WebSockets), databases (PostgreSQL/MySQL/MongoDB), and event-driven flows (Kafka). I also have strong cloud and infra experience with AWS/Azure and Terraform, plus AI-related development/testing involving routing across models like ChatGPT, Gemini, Perplexity, and others.

Mykhailo Penkherskyi

Full Stack Developer, Web Developer, Software Engineer, +2

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I’m a full-stack software engineer based in Lviv, Ukraine, focused on building production-ready web applications and reliable backend services. I enjoy turning complex product requirements into clean TypeScript/JavaScript implementations, integrating APIs, and designing systems that perform well and scale. In my recent work, I’ve shipped features across React/Next.js frontends and Node.js backends (including Nest.js/Fastify/Express), working with real-time updates (e.g., WebSockets), databases (PostgreSQL/MySQL/MongoDB), and event-driven flows (Kafka). I also have strong cloud and infra experience with AWS/Azure and Terraform, plus AI-related development/testing involving routing across models like ChatGPT, Gemini, Perplexity, and others.…I’m a full-stack software engineer based in Lviv, Ukraine, focused on building production-ready web applications and reliable backend services. I enjoy turning complex product requirements into clean TypeScript/JavaScript implementations, integrating APIs, and designing systems that perform well and scale. In my recent work, I’ve shipped features across React/Next.js frontends and Node.js backends (including Nest.js/Fastify/Express), working with real-time updates (e.g., WebSockets), databases (PostgreSQL/MySQL/MongoDB), and event-driven flows (Kafka). I also have strong cloud and infra experience with AWS/Azure and Terraform, plus AI-related development/testing involving routing across models like ChatGPT, Gemini, Perplexity, and others.

Available to hire

I’m a full-stack software engineer based in Lviv, Ukraine, focused on building production-ready web applications and reliable backend services. I enjoy turning complex product requirements into clean TypeScript/JavaScript implementations, integrating APIs, and designing systems that perform well and scale.

In my recent work, I’ve shipped features across React/Next.js frontends and Node.js backends (including Nest.js/Fastify/Express), working with real-time updates (e.g., WebSockets), databases (PostgreSQL/MySQL/MongoDB), and event-driven flows (Kafka). I also have strong cloud and infra experience with AWS/Azure and Terraform, plus AI-related development/testing involving routing across models like ChatGPT, Gemini, Perplexity, and others.

Skills

Experience Level

Expert

Expert

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Expert

Expert

Expert

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Intermediate

Intermediate

Work Experience

Senior full-stack software engineer at Geniu see

December 1, 2025 - Present

Led and delivered full-stack development across multiple products, building web experiences and backend services. Worked with TypeScript/Bun and React/Next.js on the frontend and Node.js (Nest.js/Fastify/Express) on the backend. Implemented and integrated features such as real-time functionality (WebSockets/Socket.IO), analytics/telemetry flows, and robust data handling using GraphQL/REST APIs and SQL/NoSQL databases. Contributed to cloud deployments and infrastructure setup using AWS/GCP/Azure, Docker, and Terraform. Supported testing and QA using Jest, Playwright, and tools like Postman; improved stability for nondeterministic model outputs through deterministic test strategies.

Full-stack software engineer at Inco ra Software Development Company

August 1, 2021 - November 1, 2025

Delivered end-to-end features for several client-facing and internal platforms. Built TypeScript/React frontends with Next.js and supporting UI systems (Tailwind, shadcn/ui, MUI), and backend services with Node.js (Nest.js/Express) plus PostgreSQL/MySQL and integrations via Kafka. Developed user flows including admin dashboards and real-time updates. Deployed services on Azure with Docker and built charting/visualization experiences (including D3.js rendering and print/PDF export flows). Implemented security-focused microservice architecture and telemetry/analytics dashboards.

Full-stack Node.js/React developer at Self-employed

April 1, 2020 - July 1, 2021

Developed and maintained full-stack applications for web use cases. Built APIs and frontend interfaces using JavaScript/TypeScript tooling, databases, and integration layers, including e-commerce and listing-style apps with GraphQL/REST and live updates. Designed and implemented responsive user experiences and backend endpoints suitable for production usage.