Frontend Engineer
Skills
- Front-end: JavaScript, TypeScript, React (with Hooks & Server Side Components), Next.js. Built several SPAs & static websites from scratch.
- Back-end: building Express servers, working with REST & GraphQL APIs, querying & operating on SQL databases, configuring and managing Headless CMSs such as Strapi, using low-code backends such as Supabase.
- Services: have production experience in implementing Auth0, Stripe, Sentry, Google Analytics, Microsoft Clarity and utilizing its features.
- DevOps: configured and maintained web servers both through VPS, SSH, nginx, Docker and serverless AWS & Cloudflare Stack, including FaaS.
- Leadership: Experienced in leading small teams, managing projects, taking ownership on work, and mentoring other developers.
- Attentive to UI/UX details. Have experience in designing web & mobile interfaces in Figma, as well as social media posts. Able to cooperate with Product Designers or work without them.
Experience
Estetify @ AppUnite • Front-end Engineer (Aug 2022 — now)
Web Development • Conversion Optimization • Product Growth • Direct Client Contact
Highly-interactive web app for both internal beauty salons management and external appointment booking.
TypeScript • React • Vite • Next.js • Jest • Cypress • React Hook Forms • Apollo Client (with GraphQL) • TailwindCSS • HeadlessUI • RadixUI • I18Next • Websockets
- Development: developed and maintained product by direct communication with client.
- Marketing: designed and created engaging landing page content that positively influenced conversion and bounce rate markers.
- Teamwork And Ownership: worked in a 6-people team and afterwards, as a solo developer, directly communicating with external client, taking ownership from code to production of individual features.
- Tests: been mentored and wrote several unit & E2E test suites using Cypress and Jest, which reduced time spent on manual QA.
- Services: Implemented and worked with services that addressed business needs, incl. Stripe, Sentry, Google Analytics, Microsoft Clarity and Auth0.
- Infrastructure: configured and worked with AWS services, including S3 and Amplify, which contributed to better DX.
Freelancing & Hobby Projects • Full-Stack Engineer (Aug 2021 — now)
Multiple Products — UI & UX • Development • DevOps • Product Launch • Direct Client Contact
- Przystanek MZK: Co-founded a cross-platform, open-source bus tracking mobile app with Ionic Framework, and built extremely-scalable serverless, FaaS-based back-end API using Cloudflare Stack. +50 daily active users
- IoT Eco-Energy Monitor: Co-built open-source project with Material Design UI, Next.js, PWA, InfluxDB, Grafana, Tasmota, MQTT, ESP8266 (+ other components). Wrote a thorough technical documentation. Laureate in Polish National Olympics of Innovation and Invention.
- School Website Starters: Founded organization that provides public schools with open-source modern, accessibility-focused school websites. Next.js, Vercel, Sentry, React Server Components, Strapi, Storybook, GraphQL, Meilisearch.
- Frekwencja: Worked on open-source Language Learning product utilizing Python datasets and multiple APIs, including Google’s.
- Nowy Kisielin Medicenter: MVP rapidly bootstrapped with Postgres, Supabase, and Next.js.
- Shopify E-commerce: prepared Ebay migration scripts and set-up shop adjusted to client needs.
- OSS: led, maintained and contributed to several open-source projects.
- Mentored several young developers that were CS students.
- Took high places in national algorithms programming and technical innovations contests for students.
Human Skills
Student Council Leader (Sep 2021 — now)
Internal Knowledge Management • Social Media • Leading Events • Iterative Growth
Languages
- Polish (Native)
- English (C1)
