Lead Backend Engineer

backend. The work is hands-on in Python with responsibility for APIs, integrations, workflows, and the core architecture to handle rapid growth. You'll collaborate closely with the CTO and frontend engineers, keep the product cohesive, and mentor teammates by example. Your work includes: - Designing and scaling backend services and APIs in Python - Building integrations with ATS and assessment partners - Strengthening reliability, performance and test quality as usage grows - Mentoring engineers and raising engineering standards - Applying AI in practice (using existing LLMs, adding value in our layers) Job Requirements - 5+ years of backend engineering experience - Strong Python expertise (Go/Rust/Elixir experience is a plus) - Proven track record building & scaling APIs/systems in start-up/scale-up settings - Communicates clearly; enjoys coaching others and working side-by-side in the office - Based in the Netherlands; available 4 days/w...