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Full-stack product engineer building production software end-to-end—from concept to deployment. I design and build secure web applications using Python (FastAPI/Django), TypeScript/React, and PostgreSQL, with ownership across backend architecture, API design, frontend development, CI/CD, cloud deployment and long-term maintenance. I also enjoy engineering AI-assisted document processing pipelines (OCR and LLM integrations) and building modern developer workflows. My focus is on keeping codebases maintainable, performant, secure, and easy to evolve.…Full-stack product engineer building production software end-to-end—from concept to deployment. I design and build secure web applications using Python (FastAPI/Django), TypeScript/React, and PostgreSQL, with ownership across backend architecture, API design, frontend development, CI/CD, cloud deployment and long-term maintenance. I also enjoy engineering AI-assisted document processing pipelines (OCR and LLM integrations) and building modern developer workflows. My focus is on keeping codebases maintainable, performant, secure, and easy to evolve.

Mats Gustafsson

Web Developer, Full Stack Developer, Programmer, +6

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Full-stack product engineer building production software end-to-end—from concept to deployment. I design and build secure web applications using Python (FastAPI/Django), TypeScript/React, and PostgreSQL, with ownership across backend architecture, API design, frontend development, CI/CD, cloud deployment and long-term maintenance. I also enjoy engineering AI-assisted document processing pipelines (OCR and LLM integrations) and building modern developer workflows. My focus is on keeping codebases maintainable, performant, secure, and easy to evolve.…Full-stack product engineer building production software end-to-end—from concept to deployment. I design and build secure web applications using Python (FastAPI/Django), TypeScript/React, and PostgreSQL, with ownership across backend architecture, API design, frontend development, CI/CD, cloud deployment and long-term maintenance. I also enjoy engineering AI-assisted document processing pipelines (OCR and LLM integrations) and building modern developer workflows. My focus is on keeping codebases maintainable, performant, secure, and easy to evolve.

Available to hire

Full-stack product engineer building production software end-to-end—from concept to deployment. I design and build secure web applications using Python (FastAPI/Django), TypeScript/React, and PostgreSQL, with ownership across backend architecture, API design, frontend development, CI/CD, cloud deployment and long-term maintenance.

I also enjoy engineering AI-assisted document processing pipelines (OCR and LLM integrations) and building modern developer workflows. My focus is on keeping codebases maintainable, performant, secure, and easy to evolve.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Swedish

Fluent

English

Fluent

Work Experience

Full-Stack Product Engineer at Valunds Digitala Tjänster

January 1, 2026 - Present

Designed and built a production SaaS platform for vehicle ownership, maintenance history and verified resale documentation. Built backend architecture with Django and FastAPI, implemented secure REST APIs and authentication, and created an AI-assisted OCR pipeline. Developed an Expo mobile application with secure authentication, modelled data in PostgreSQL, and set up GitHub Actions CI/CD. Focused on security-first workflows including signed uploads, ownership validation and GDPR-aligned processes, along with performance optimization and accessibility improvements.

Full-Stack Developer at Freelance / Independent Consultant

December 1, 2025 - Present

Designed and delivered production-grade full-stack applications for real clients. Built Django + Wagtail backends with REST APIs, containerized using Docker. Implemented modern React + TypeScript frontends with Vite. Deployed backends to Fly.io and frontends to Cloudflare Pages.

Independent Full-Stack Consultant

January 1, 2025 - Present

Built production-ready applications including La Serenity (multilingual booking platform) and SkogsKvitto (forestry documentation platform with immutable accounting concepts). Delivered document-heavy product workflows with OCR integration and used DuckDB for data handling in support of immutable/traceable accounting concepts.

Part-Time Web Development Support at Turingfest

June 1, 2024 - Present

Supported WordPress maintenance and content updates. Implemented custom HTML, CSS, and JavaScript for layout issues and maintained site stability.

Part-Time Web Development Support at Turingfest Website

June 1, 2024 - Present

Supported WordPress maintenance and content updates. Implemented custom HTML, CSS, and JavaScript when CMS limitations required. Fixed responsive and cross-device layout issues.