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I'm Michal Holovsky, a full-stack Python and JavaScript developer based in Prague with 9+ years of experience building scalable and performant web applications. I work with React, Next.js, Node.js, Nest.js, Django, and Flask, and I’m fluent in TypeScript and Python. I’m passionate about crafting responsive UIs, optimizing server-side performance, and delivering maintainable code in cloud environments. I’ve led architecture and development across distributed services, implemented CI/CD pipelines, and partnered with product and design teams to ship features used by millions of users. I enjoy solving complex problems with modern microservices, observability, and secure API design, always focusing on user experience and long-term scalability.…I'm Michal Holovsky, a full-stack Python and JavaScript developer based in Prague with 9+ years of experience building scalable and performant web applications. I work with React, Next.js, Node.js, Nest.js, Django, and Flask, and I’m fluent in TypeScript and Python. I’m passionate about crafting responsive UIs, optimizing server-side performance, and delivering maintainable code in cloud environments. I’ve led architecture and development across distributed services, implemented CI/CD pipelines, and partnered with product and design teams to ship features used by millions of users. I enjoy solving complex problems with modern microservices, observability, and secure API design, always focusing on user experience and long-term scalability.

Michal Holovsky

Full Stack Developer, Developer, Web Developer, +3

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I'm Michal Holovsky, a full-stack Python and JavaScript developer based in Prague with 9+ years of experience building scalable and performant web applications. I work with React, Next.js, Node.js, Nest.js, Django, and Flask, and I’m fluent in TypeScript and Python. I’m passionate about crafting responsive UIs, optimizing server-side performance, and delivering maintainable code in cloud environments. I’ve led architecture and development across distributed services, implemented CI/CD pipelines, and partnered with product and design teams to ship features used by millions of users. I enjoy solving complex problems with modern microservices, observability, and secure API design, always focusing on user experience and long-term scalability.…I'm Michal Holovsky, a full-stack Python and JavaScript developer based in Prague with 9+ years of experience building scalable and performant web applications. I work with React, Next.js, Node.js, Nest.js, Django, and Flask, and I’m fluent in TypeScript and Python. I’m passionate about crafting responsive UIs, optimizing server-side performance, and delivering maintainable code in cloud environments. I’ve led architecture and development across distributed services, implemented CI/CD pipelines, and partnered with product and design teams to ship features used by millions of users. I enjoy solving complex problems with modern microservices, observability, and secure API design, always focusing on user experience and long-term scalability.

Available to hire

I’m Michal Holovsky, a full-stack Python and JavaScript developer based in Prague with 9+ years of experience building scalable and performant web applications. I work with React, Next.js, Node.js, Nest.js, Django, and Flask, and I’m fluent in TypeScript and Python. I’m passionate about crafting responsive UIs, optimizing server-side performance, and delivering maintainable code in cloud environments.

I’ve led architecture and development across distributed services, implemented CI/CD pipelines, and partnered with product and design teams to ship features used by millions of users. I enjoy solving complex problems with modern microservices, observability, and secure API design, always focusing on user experience and long-term scalability.

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Work Experience

Full Stack Developer at Yoni

February 1, 2025 - August 28, 2025

Led the architecture and development of a scalable booking system using Next.JS for frontend and Nest.JS for backend, enabling real-time booking functionalities including rescheduling and cancellation. Contributed to open-source Python projects to synchronize Google Calendar API with custom APIs. Upgraded Next.JS from version 11 to 14 leveraging new patterns like App Router and Server Components for optimized rendering. Implemented secure authentication with NextAuth.JS and integrated payments via Stripe, PayPal, and Apple Pay. Designed backend APIs connected with PostgreSQL via Prisma ORM with CRUD and transaction handling. Managed messaging with RabbitMQ and real-time UI updates via WebSockets. Integrated cloud services including AWS S3, CloudWatch, and Vercel for deployment. Embedded Algolia AI search and handled large-scale MongoDB document processing. Improved system performance by restructuring architecture with microservices, Redis caching, and optimized Nginx proxy configuratio

Software Engineer at Eksaen enterprises

July 1, 2022 - August 28, 2025

Developed a financial statistics platform using Django and React.js for real-time data visualization and analysis. Constructed a modular React.JS architecture for maintainability. Integrated Stripe payment gateways and processed multiple webhook endpoints from Stripe and PayPal. Delivered asynchronous programming solutions handling numerous third-party services simultaneously. Built a chatbot to assist customer inquiries and a Python sub-server hosting an AI-powered chat application for product descriptions. Analyzed financial data using metrics like Gross Profit Margin and Return on Equity. Conducted data mining and automated web scraping with Python for scheduled job data collections. Administered MongoDB on local Ubuntu servers and optimized database performance with query refinement and Redis caching. Managed multiple domains and environments using Nginx and Kubernetes.

Software Developer at Elap

January 1, 2019 - August 28, 2025

Built advanced data mining pipelines using Python for scraping job boards, finance platforms, and government sites, scheduled with cron jobs and deployed on GCP Cloud Run for scalability. Employed NumPy and Pandas for data analysis, supporting strategic business decisions with custom statistical models. Created a dynamic React.JS dashboard featuring 2D/3D visualizations, Google Maps integration, and real-time updates with React Suspense. Enabled export of datasets into secure formats such as AES-encrypted ZIP files. Automated PDF report generation via Node.JS and Puppeteer. Established unit testing protocols above 85% coverage using Jest and React Testing Library. Developed scraper bots with anti-captcha and proxy rotation for high availability. Deployed backend services on AWS and GCP, utilizing CloudWatch and Firebase Auth for monitoring and control. Created visual query tools to simplify data access without SQL knowledge, saving significant manual reporting time.

Staff Software Engineer at DevGenics

May 1, 2025 - November 1, 2025

Led end-to-end architecture design and development of large-scale, distributed Node.js and Python services powering critical product features used by millions of users. Owned technical direction for multiple product squads, establishing coding standards, deployment best practices, service boundaries, and API guidelines across the engineering organization. Designed and implemented highly performant REST and GraphQL APIs using Django, NestJS, and TypeScript, improving system throughput and reducing latency by up to 40%. Architected microservices and event-driven systems using Kafka, RabbitMQ, Redis, and containerized workloads on Docker/Kubernetes. Led major refactors and modernization initiatives, migrating legacy monoliths to modular, cloud-native services and reducing operational overhead. Implemented CI/CD pipelines and established observability practices using Prometheus, Grafana, Datadog, and OpenTelemetry to monitor service health and automate alerts. Championed security and compl

Full Stack Developer at Yoni

August 1, 2022 - February 1, 2025

Architected a scalable booking system using Next.js (App Router) for the frontend and Nest.js for the backend, enabling users to book, reschedule, and cancel appointments with real-time feedback and availability sync. Contributed to an open-source project by developing Python-based solutions for seamless synchronization between Google Calendar API and a custom project via API. Upgraded the Next.js project from 11 to 14, adopting App Directory and Server Components for optimized rendering. Implemented NextAuth.js for authentication, integrated with Supabase, and supported RBAC with custom session callbacks. Designed backend APIs in Nest.js connected to PostgreSQL via Prisma ORM, handling CRUD, transactions, and query optimization. Integrated Stripe, PayPal, and Apple Pay for secure payments, and connected RabbitMQ for real-time messaging. Deployed with Docker, Nginx for SSL termination, and CI/CD via GitHub Actions. Integrated AWS S3, CloudWatch, and Algolia AI search; optimized SSR/CSR

Software Engineer at Eksaen Enterprises

March 1, 2019 - July 1, 2022

Built a financial statistics platform using Django for backend and React.js for a dynamic, real-time frontend. Implemented Stripe payments with webhook endpoints for Stripe and PayPal. Introduced a Python-based AI chat sub-server to generate product descriptions and assist the services team. Conducted data mining and analysis, visualizing insights with charts in the frontend. Used MongoDB for configurations, Redis for caching, and deployed on Kubernetes with Nginx for routing and SSL management. Gained experience with Kubernetes, multi-environment deployments, and cloud hosting.

Software Developer at Elap

October 1, 2016 - January 1, 2019

Built a robust data mining pipeline using Python (Requests, BeautifulSoup) to scrape job boards, finance platforms, and government sites; scheduled with cron and deployed on GCP Cloud Run for scalable background execution. Developed a fully dynamic React dashboard with 2D/3D charts, Google Maps integration, and export functionality to CSV, PDF, and AES-encrypted ZIP. Used Node.js and Puppeteer to auto-generate PDF reports from dashboards. Implemented unit tests with Jest and React Testing Library, automated reporting with Google Sheets, and deployed services across AWS and GCP with monitoring via CloudWatch. Configured Nginx for routing and Kubernetes for service orchestration; created a visual query tool using Supabase functions, and built anti-captcha/proxy-enabled scrapers for uptime.