Profile
Senior frontend engineer and tech lead with 10+ years building enterprise-class web platforms on B2B contracts, currently for Jit Team (Gdynia), across HR, logistics, energy, finance and healthcare. I direct multi-team frontend delivery and embed AI-native engineering workflows (multi-agent automation and AI-assisted delivery) while modernising large legacy systems on a contemporary React / Node stack.
Experience
Contract engagements delivered for Jit Team (Gdynia); end-client names generalised by industry under NDA.
Frontend Tech Lead
2025–Present
Enterprise Workforce-Management Platform · Global HR & Staffing
- Lead the frontend chapter (6 engineers + designer, 4 product teams) in a 40+ engineer program; hands-on on the new planning module.
- Put 5 frontend apps on React 19 / Vite / Node 22; launched the component library and UX process; leading the full app redesign.
- Release master for 6 trains + 8 hotfixes; security audit, Renovate-based dependency updates, automatic Zod API validation.
- Led onboarding's rebuild as a reusable micro-frontend, live in 6 weeks.
- Brought in Medallia (feedback, analytics) and GlobalLink Strings (translations).
- Rolled out Claude Code policy-first, with compliance-reviewed AI principles.
Senior Frontend Engineer
2022–2025
Global Logistics Control Tower · EMEA-wide platform
- Built the cloud-native web client for a world-class logistics & stock-transfer platform serving the entire EMEA region, with AI-assisted load recommendations.
- Owned the end-to-end suite (Playwright & Cypress), cutting defects ~40%; serverless on AWS (Lambda); stack: Vue.js / TypeScript.
- Helped unlock ~€60k/month and ~1.5h/day in operational planning savings; led Figma prototyping and business-analysis workshops.
Frontend Lead & Team Leader
2021–2022
Digital Health & Wearables Platform
- Led a team delivering a health-sector web app in Next.js / React and a native iOS app, integrating wearable health data.
- Owned the iOS release process (version tags, app signing); ran builds and deployments on the team's AWS (EKS) setup; primary contact for business analysis.
Senior Frontend Engineer & Scrum Master
2020–2021
Critical Financial-Services Modernisation
- Modernised a security-critical bond / debt-documentation platform over ~2 years (React / TypeScript); design-system-aligned work seeded 3 new products; drove performance and guarded releases as Scrum Master.
Frontend Lead & UI/UX Designer
2019–2020
Energy · District-Heating Infrastructure
- Greenfield internal platform with map-based 3D visualisations (React / TypeScript); led interactive UI/UX prototyping and cross-team workshops.
- Joined as the first engineer on the account and helped grow it into ~5 parallel workstreams (~20 people).
Developer Relations & Mentor
2018–Present
- Contracted technical training and mentoring on modern web architecture, including internship and early-career programs.
Earlier (2016–2018): full-stack web development (JavaScript, PHP, MySQL, WordPress) and, early in my career, native mobile development (iOS / Swift, Android / Kotlin).