Adrian
Włoszyński

Senior Full-Stack Engineer in Wrocław, working remotely

I own product features end to end: I scope them with the business, build them across the stack and follow how they perform after release. Since 2021 I have worked on adtron, an ad-tech platform for interactive ads seen by millions of users.

What I bring

Engineering

  • TypeScript, Vue and Nuxt, Angular
  • Laravel, PHP and Node.js
  • REST APIs on AWS
  • Ad-tech: VAST, viewability and impression tracking
  • AI tooling: Claude Code skills, MCP servers, review automation

Working with people

  • Clear communication with QA, backend teams and clients
  • Code review for the team
  • 30+ technical interviews and hiring recommendations
  • Taking the lead when production breaks

Business

  • Requirements analysis with stakeholders
  • Scope and estimates agreed with clients
  • Ownership from idea to release
  • Monitoring and analysis after launch

Experience

  1. 2025 - now

    Senior Full-Stack Developer at AppVerk

    adtron: the Vue editor, the Laravel API and the ad runtime. Migrated the editor build from webpack to Vite, which sped up builds and local development. Releases, production incidents and technical interviews. Angular apps and API contracts for an automotive client.

  2. 2023 - 2024

    Full-Stack Developer at AppVerk

    Moved from the frontend to the Laravel API and Node.js services of adtron.

  3. 2021 - 2023

    Frontend Developer at Codein, then AppVerk

    Built the WYSIWYG ad editor of adtron and migrated it from Vue 2 to Vue 3 in 2023.

  4. 2019 - 2021

    Freelance Web Developer

    Websites for small businesses, started during technical high school.

Contact

Open to long-term B2B full-stack product work, especially roles close to the business. The best way to reach me is LinkedIn.