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CV | pawelgrzybek.com
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CV

Personal statement

I’m a software developer with 15 years of professional experience, specialising in building performant and accessible full-stack web applications. I’m passionate about web standards and ethical design. Over the past decade, I’ve published 400+ technical articles on my blog, which helps me deepen my knowledge and stay up to date in the fast-paced industry. I take pride in organising NN1 Dev Club, a tech meetup for software enthusiasts from Northampton, UK. In my free time, I indulge in my passion for music.

Key skills

  • Languages: HTML, CSS, JavaScript (TypeScript), Go
  • Frameworks and runtimes: React, Next.js, Astro, Node.js, Deno, Express, Fastify, Hono, Vite
  • APIs and protocols: REST, GraphQL, gRPC
  • Databases: Postgres, MongoDB, SQLite
  • Testing: Jest, Vitest, Playwright
  • Cloud and infrastructure: AWS, Cloudflare, GitHub Actions, Jenkins
  • Observability: OpenTelemetry, Sentry, Grafana
  • Version control: Git, Jujutsu

Work experience

2024.04 - 2026.01, Avant Arte, Senior Software Engineer

  • Rebuilt product page from the ground up with normalised data structure, enabling the multi-product checkout flow, improving customer experience and increasing average order value by surfacing relevant products
  • Built self-serve print service from scratch, creating a new revenue stream that evolved into a core business offering
  • Led an initiative to migrate fragile application logic from loosely typed data to fully typed and runtime-validated schemas, improving maintainability and developer experience
  • Elevated team code quality through comprehensive code reviews, mentoring on best practices, and championing native web primitives over complex abstractions

2022.09 - 2023.11, Polygon, Senior Software Engineer

  • As the sole frontend engineer on the team, I built wallet applications (React for the web and React Native for mobile) serving as the core interface for transaction data visualisation and management across the Nightfall service
  • Increased transaction processing capacity by 4x by implementing multithreading in Node.js API, enabling the system to handle tens of thousands of computationally expensive transactions daily
  • Led backend performance audits and optimisation, improving system throughput and resource efficiency
  • Developed experimental Rust API that established architectural patterns adopted by other teams for new microservices
  • Conducted technical interviews for engineering candidates at all levels

2021.12 - 2022.08, Semble (formerly Heydoc), Software Engineer

  • Built new scheduling features for managing patient appointments, including calendar views and external integrations
  • Led TypeScript migration across the application and containerised services for streamlined deployment
  • Ensured accessibility compliance (WCAG standards) across all customer-facing parts of the web app

2021.01 - 2021.11, Mindera, Lead Software Engineer

  • Grew backend engineering team from 3 to 8 developers plus 1 QA engineer, maintaining hands-on development
  • Led migration from legacy monolith to enterprise Commercetools platform, modernising the backend architecture for a global fashion brand
  • Drove infrastructure modernisation by migrating multiple serverless microservices from raw CloudFormation templates to AWS CDK, improving maintainability and deployment efficiency

2018.06 - 2020.12, Mindera, Software Engineer

  • Developed React/Next.js web applications for e-commerce platforms, implementing new rendering paradigms
  • Built and maintained multiple serverless microservices on AWS platform for high-traffic retail operations
  • Core member of the hiring team, leading technical interviews for frontend and backend engineers across the organisation
  • Created learning resources and organised workshops while representing Mindera through tech events and conferences

2016.06 - 2018.05, Engine Creative, Front-end Developer

  • Developed diverse projects across industries, from WordPress brand websites to React/React Native web applications
  • Built VR and AR experiences using A-Frame, Wikitude and Unity, expanding the agency’s technical capabilities
  • Voted one of the best employees within my first year, contributing to team knowledge sharing through weekly technical catchups

2014.03 - 2016.05, Creare, Front-end Developer

  • Built and deployed WordPress-based web projects, handling technology selection, framework integration, and cross-platform testing
  • Led weekly presentations on latest frontend techniques and delivered long-term JavaScript training for the team
  • Awarded “Innovator Of The Year 2015” after my first year, recognised among hundreds of employees

2012.09 - 2014.02, dobrzedobrze.net, Front-end Developer / Co-owner

  • Co-founded and operated a web development business, managing full project lifecycle from UI design to WordPress implementation
  • Delivered end-to-end solutions for clients using Adobe Creative Suite, HTML, CSS and JavaScript

2009.12 - 2011.12, TM Druk (print house and DTP studio), Graphic Designer / DTP

  • Provided print design services including brochures and brand identity while maintaining printing facilities
  • Developed expertise in colour management and DTP workflows in a production environment