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Hi, I’m Filip Kowalski, a Senior Full Stack Engineer with a strong track record of delivering scalable backend and frontend systems. I enjoy architecting robust architectures, optimizing APIs, and building intuitive user interfaces that users love. I thrive in collaborative teams, mentor developers across levels, and obsess over clean code and reliable CI/CD pipelines. I’m passionate about modern software architecture and delivering maintainable solutions across cloud-native tech stacks.…Hi, I’m Filip Kowalski, a Senior Full Stack Engineer with a strong track record of delivering scalable backend and frontend systems. I enjoy architecting robust architectures, optimizing APIs, and building intuitive user interfaces that users love. I thrive in collaborative teams, mentor developers across levels, and obsess over clean code and reliable CI/CD pipelines. I’m passionate about modern software architecture and delivering maintainable solutions across cloud-native tech stacks.

Filip Kowalski

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hi, I’m Filip Kowalski, a Senior Full Stack Engineer with a strong track record of delivering scalable backend and frontend systems. I enjoy architecting robust architectures, optimizing APIs, and building intuitive user interfaces that users love. I thrive in collaborative teams, mentor developers across levels, and obsess over clean code and reliable CI/CD pipelines. I’m passionate about modern software architecture and delivering maintainable solutions across cloud-native tech stacks.…Hi, I’m Filip Kowalski, a Senior Full Stack Engineer with a strong track record of delivering scalable backend and frontend systems. I enjoy architecting robust architectures, optimizing APIs, and building intuitive user interfaces that users love. I thrive in collaborative teams, mentor developers across levels, and obsess over clean code and reliable CI/CD pipelines. I’m passionate about modern software architecture and delivering maintainable solutions across cloud-native tech stacks.

Available to hire

Hi, I’m Filip Kowalski, a Senior Full Stack Engineer with a strong track record of delivering scalable backend and frontend systems. I enjoy architecting robust architectures, optimizing APIs, and building intuitive user interfaces that users love.

I thrive in collaborative teams, mentor developers across levels, and obsess over clean code and reliable CI/CD pipelines. I’m passionate about modern software architecture and delivering maintainable solutions across cloud-native tech stacks.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Tech Nova Solutions

March 1, 2022 - Present

Led development of enterprise-grade web applications using React, TypeScript, and Node.js. Architected and deployed microservices using Docker, Kubernetes, and AWS ECS to support multi-tenant environments. Implemented server-side caching and optimized API queries, reducing load times by 40%. Introduced Next.js and improved frontend performance through lazy loading, code splitting, and accessibility updates. Collaborated with cross-functional teams (QA, DevOps, Product) to deliver secure, maintainable full-stack solutions. Guided code reviews and mentored mid-level developers in best practices for clean architecture and CI/CD pipelines.

Full Stack Engineer at BrightSoft Technologies

January 1, 2019 - February 1, 2022

Built and maintained SaaS web applications using Vue.js, Node.js, and PostgreSQL. Developed robust REST and GraphQL APIs to support analytics dashboards and real-time user data visualization. Automated builds, testing, and deployments using GitHub Actions and Docker Compose. Integrated third-party APIs (Stripe, Google Maps, SendGrid) for billing, location services, and notifications. Enhanced application stability by improving error handling and implementing unit/integration tests with Jest and Cypress. Participated in Agile sprints, leading technical planning and contributing to long-term architectural decisions.

Backend Developer at Infosys Consulting

July 1, 2016 - December 1, 2018

Designed and developed backend services in Java (Spring Boot) and Node.js for large-scale enterprise systems. Built data models and SQL procedures for Oracle and PostgreSQL databases. Implemented authentication and authorization using JWT and OAuth 2, ensuring secure data access. Contributed to a migration project moving legacy systems to a microservice architecture on AWS. Collaborated with frontend teams to improve API response times and streamline deployment pipelines.