Professional Summary
Senior engineer with 10 + years spanning embedded C/C++, full-stack TypeScript/Python, and production AI. I build reliable firmware for ARM, cloud-backed web apps, and LLM-powered automations. Founder of two tech companies and lead on safety-critical automotive projects (ISO 26262, AUTOSAR). Contracting via my AB and available for remote or hybrid B2B engagements worldwide.
Recent Experience
Founder & Principal Consultant · Gullbrandstorp Ingenjörsbyrå AB
Mar 2023 – Present · Remote/Sweden
- Migrated legacy ARM Cortex build system to CMake; cut build times 45 %.
- Brought new charger hardware from schematic to REST API in 8 weeks, including SPI/I²C bring‑up and BLE telemetry.
- Fractional CTO for early-stage clients: architecture, CI/CD, AI road‑maps.
Solo Developer · NutriSnap (side project)
Jan 2025 – Present · Remote
- PWA that converts food photos to nutrition logs via GPT‑Vision, Gemini 1.5 & Grok.
- FastAPI backend with Stripe‑metered billing; > 2 k monthly active users.
- Prompt‑chaining boosted macro accuracy from 72 % ➜ 93 %.
Senior Software Engineer (Contract) · Polestar AB
Mar 2023 – Dec 2024 · Gothenburg/Hybrid
- Led integration pipeline for new EV battery control features.
- Single‑handedly implemented Battery Switch functionality in a skunkworks project (C++).
- Coordinated DevOps across 6 teams; reduced defect escape rate below 0.2 %.
Creator · MancerAI (in‑house)
Feb 2024 – Present
- Model‑agnostic autonomous LLM (Transformers) agents, generate Jira tasks & READMEs (Python + FastAPI).
- Runs on Greptile graph search + Claude 3.5; cuts sprint planning and administrative tasks 60 %.
Earlier roles: Vector GmbH (Scrum Master & Developer, Adaptive AUTOSAR), Ericsson AB (5G microwave radios), Gemalto AB (2FA hardware token – QR‑code image processing & smart‑card reader, PC simulation GUI), Tele‑Radio AB (industrial remote controls). Full details available on request.