Rasmus Olsson
Engineering Manager
Building teams and products at the intersection of engineering leadership and hands-on development. Based in Stockholm.
About
Engineer turned leader, still coding.
Engineering Manager with a strong fullstack background, currently leading a team of 8 at Tendium — a GovTech startup building AI-powered procurement tools. KTH M.Sc. in Computer Science. Passionate about building high-quality software and designing AI-driven systems that solve real problems.
Team Leadership
Leading a team of 8 engineers. Driving hiring, performance reviews, and career development while staying hands-on with architecture and code reviews.
AI & LLM Systems
Designing multi-agent AI systems for automated bid writing using TypeScript and Claude. Hands-on with MCP integrations and agentic architecture.
Fullstack Development
Deep expertise in React, TypeScript, and Node.js. Experience building products from MVP to scale across fintech, e-commerce, health-tech, and GovTech.
Startup Experience
Multiple CTO and co-founder roles. Built products from zero, including a serverless video coaching platform and a mobile rewards system. Founded RO Invest & Consulting.
Experience
Where I've worked
From co-founding startups to leading engineering teams at scale.
2024 — Present
Engineering Manager
Tendium
Leading a team of 8 engineers building AI-powered public procurement tools. Driving technical strategy, architecture decisions, and designing multi-agent AI systems with TypeScript, Claude, and Mastra.
Nov 2023 — 2024
Frontend Engineer
Tendium
Joined as an individual contributor building React/TypeScript features for AI-powered procurement tools in the Nordic market.
Oct 2021 — Present
Founder & Software Engineer
RO Invest & Consulting
Independent consulting and software development. Building full-stack web applications.
2021
Frontend Developer
Monto
Built a React/TypeScript application for company metrics dashboards and an internal component library with Storybook.
2020 — 2021
Fullstack Developer
Ark Kapital (now Gilion)
Built the MVP from scratch using React, Python, PostgreSQL, and GCP. Custom data visualizations with ChartJS and Redash.
2019 — 2020
CTO / Fullstack Developer
ZmartBag
Sole developer taking over a microservice application. Designed a rewards system and built a Flutter mobile app.
2018 — 2019
CTO / Co-founder
Coachly
Co-founded a platform for online video coaching. Built the application using a serverless AWS stack with React.
Consulting Projects
Selected work
Projects built through RO Invest & Consulting for clients in sports and athletics.
Styrkelyft Data Platform
Built in collaboration with SSF (Svenska Styrkelyftförbundet). Rebuilt their competition database with rankings, real-time competition data, and historical performance tracking.
Westbo Atletklubb
Website for a Swedish powerlifting club. Membership info, training schedules, competition results, and club news.
Sydöstra Styrkelyft
Regional powerlifting federation website. Event and calendar listings and federation communications.
Tech Stack
Skills & tools
Frontend
Backend
Cloud & DevOps
Leadership
Contact
Let's work together
Interested in consulting, collaboration, or just want to chat? Reach out through any of the channels below.