AI Engineer

About the Role We are a seed-stage AI productivity startup building a fast-moving engineering team, and we are looking for AI Engineers to own two core technical challenges: scaling backend infrastructure and optimizing LLM and AI agent flows that power the product. Your work will have a direct and immediate impact on platform performance and the experience of every user. What You'll Do - Design and implement backend systems and services built to operate at scale. - Tune and iterate on LLM integrations and agent orchestration to improve reliability and efficiency. - Own outcomes end-to-end, from architectural decisions through to shipping production software. What We're Looking For - Substantial hands-on track record of coding and shipping software in production environments. - Strong backend engineering experience designing and scaling distributed systems. - Hands-on experience optimizing LLMs and AI agent flows in production. - Experience working at a fast-growing startup, with the agency and ownership mindset that comes with it. - A portfolio of side projects that demonstrates technical depth and sustained curiosity. - Intentional career choices that reflect a genuine commitment to the craft of engineering. - Comfortable thriving in a small, high-velocity team environment. Compensation & Benefits Salary range: $80,000 to $120,000 USD per year, plus equity. The salary and equity mix is negotiable, with additional flexibility for exceptionally senior candidates. Visa sponsorship is not available; candidates must be eligible to work in Sweden. Location This is a fully on-site role based in Stockholm, Sweden. Candidates must be willing and legally able to work on-site in Stockholm, including relocation if necessary.