Software Engineer (Python)

About Vainu

Vainu is a Nordic sales intelligence platform helping B2B companies identify and act on the right signals at the right time. Our data pipelines process millions of company records, financial statements, job postings, and procurement documents. We're expanding fast into AI-powered enrichment and agentic workflows.

We're a team of 80 people across Finland and Sweden, with most of our 15-person engineering team based in Helsinki. Our office is in Hakaniemi.

The role

We're looking for a backend-focused software engineer with solid Python skills. Seniority matters less than mindset: we want someone who sees an unfamiliar codebase and thinks, I'll figure it out.

You’ll work on the systems that make Vainu's data products run: pipelines, APIs, orchestration, and increasingly, AI-powered enrichment. The interesting stuff right now is at the intersection of data engineering and AI: vector databases, RAG, semantic search, and ing...