Hi, I'm Frontend Ninja, a web developer with a passion for creating beautiful, functional, and user-centered digital experiences. With 8+ years of experience in the field, I am always looking for new and innovative ways to bring my client's visions to life.
I believe that design is about more than just making things look pretty. It's about solving problems and creating intuitive, enjoyable experiences for users.
I'm excited at the prospect of channeling my expertise and enthusiasm into your next project. Let's collaborate and transform your vision into a remarkable digital experience.
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Software Developer @Rocksoft
2023 - Present · Wrocław, Poland
Embedded at Rocksoft, delivering software for external clients through outsource engagements.
Outsource projects
Norwegian financial platform
2024 to present
Own core features of a production financial system for an enterprise client. Design and implement full stack capabilities across a React 19 and TypeScript frontend and a Node.js services layer, with emphasis on domain modeling, auditability, and transactional integrity. Built document ingestion automations that parse payment data from source files and persist structured records directly into the platform. Substantially expanded the debtor view module and its underlying business logic, including reconciliation workflows and operational state transitions. Led a migration from a legacy date and time library to the Temporal API to improve runtime performance and reduce container footprint, enabling faster and lighter Docker workloads in local and CI environments. Drive architectural decisions around module boundaries, API contracts, and state management to keep the codebase scalable as regulatory and product requirements evolve.
Marketing and product web applications
2023
Built multiple medium and large scale sites from architecture through production deployment. Led Gatsby based static and hybrid rendering implementations with focus on performance budgets, content modeling, and CI/CD integration.
Full Stack Developer @Łukasz Barylak - Freelancer
2022 - 2023 · Wrocław, Poland
Executed end to end delivery for diverse external engagements spanning web, mobile, and desktop. Built production APIs with Node.js, Express, Prisma, and PostgreSQL; React and React Native clients; and Electron desktop shells. Owned technical scoping, implementation, and deployment across small and medium complexity product builds.
Front End Developer | Team Lead | Tech Lead @Applover
2021-2022 · Wrocław, Poland
Led frontend architecture and delivery across two client products. Shipped a crypto token launchpad crowdfunding platform in React, Redux, and TypeScript with wallet integration and transactional flows. Built a cross platform habit tracking application in React Native with offline capable state and synchronized backend persistence.
Full Stack Developer @Nertigo
2021 · Wrocław, Poland
Contributed full stack features for an internal SaaS platform, including a role based admin dashboard and a redesigned client portal. Implemented UI modules, REST integrations, and data driven workflows supporting operations and customer self service.
Full Stack Developer @3M
2016 - 2021 · Wrocław, Poland
Continuous tenure at 3M Purification Division from 2016 through 2021. Built manufacturing domain expertise on the plant floor before transitioning into full stack software development in 2018.
Career progression
Batch management system
2018 - 2021
Developed a batch management system for Purification Division manufacturing operations. Built the React, Redux, and Material UI operator interface and a Node.js and Express backend for recipe execution, lot traceability, and plant floor integrations.
Manufacturing operations
2016 - 2018
Worked on the plant floor within Purification Division production operations. Gained hands on experience with batch processes, recipe execution, and shop floor workflows that later shaped the domain model and product requirements for the internal software platform.