About the Role Join a small, fast-moving team at a seed-stage AI productivity software startup. You will tackle two core challenges: building scalable backend systems and improving the LLM and AI agent workflows that power the product. What You'll Do • Design, build, and maintain backend systems and services that can scale reliably. • Optimize LLM integrations and AI agent orchestration to improve reliability and efficiency. • Ship software hands-on and take ownership of meaningful technical challenges across the product. What We're Looking For • Typically 8 to 10 or more years of relevant engineering experience, with a substantial track record of coding and shipping software. • Strong backend engineering experience, including building scalable systems. • Hands-on experience improving LLM integrations and AI agent workflows in production. • A portfolio of side projects that demonstrates technical depth and sustained curiosity. • Experience in a fast-growing startup environment is preferred, along with a high degree of ownership and motivation to work in an early-stage team. Compensation & Benefits Base compensation is $80,000 to $120,000 USD annually, plus equity. Compensation and the salary-to-equity mix may be negotiable for exceptionally senior candidates. Visa sponsorship is not available, and candidates must be legally eligible to work in Sweden. Location This is an on-site role in Stockholm, Sweden. Relocation may be necessary for candidates currently based elsewhere.