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Tomas Larsen

/ CV

Tomas Larsen

Senior software developer · technical lead · product owner

Senior software developer, technical lead and product owner with 20+ years of experience — from independent web development since 2001 to PCI-regulated payment systems and modern AI tooling. I work best close to the business, as one experienced partner rather than a large vendor.

/ Experience

  • team.blue / OnPay.io

    2025–2026

    Senior Backend Developer

    Scaling a PCI-compliant payment platform (PSP); Symfony & Doctrine; transitioned into AI agent orchestration.

  • Generaxion — OP'N

    2024–2025

    Product Owner

    Roadmap and v2 of the opnx.dk SaaS platform; led the dev team; AI prototypes on Google Cloud.

  • Side-Walk

    2021–2024

    Senior Developer & Technical Lead

    Technical lead on Laravel projects (e-fire.dk, skovbegravelse.dk); Ionic apps for Randers FC and AC Horsens; mentoring.

  • Venderei

    2020–2022

    Co-founder & CTO

    Cloud-native fintech on AWS (Lambda, API Gateway, DynamoDB); led a remote team of 16 developers.

  • MediaMax

    2001–

    Founder

    Own company: web, custom systems, hosting and consulting — running in parallel for 20+ years.

/ Skills

Languages & frameworks

  • PHP
  • Symfony
  • Doctrine
  • Laravel
  • Vue.js
  • Angular
  • Ionic
  • Flutter
  • React Native
  • Node.js
  • TypeScript
  • HTML/CSS

Cloud & data

  • AWS (Lambda, API Gateway, DynamoDB)
  • Google Cloud
  • MySQL
  • CI/CD

Tooling & quality

  • GitLab
  • Psalm
  • Snyk
  • Sentry
  • Elastic
  • PCI compliance

AI tooling

  • GitHub Copilot
  • Cognition Devin
  • Windsurf
  • Claude
  • agent orchestration
  • AI workshops for teachers

CMS

  • WordPress (incl. headless)
  • Joomla
  • TYPO3
  • Drupal

Product & leadership

  • Product ownership
  • roadmaps
  • Scrum
  • stakeholder alignment
  • mentoring

/ Education

Trained primary- and lower-secondary school teacher (Bachelor of Education) — alongside 20+ years of professional software development.

/ Languages

Danish and English (native) · Swahili, Chinese and Spanish (conversational).