AI Software Engineer – Bitonet

Do you want to join a small core team developing a highly innovative software platform with significant growth potential into a production-ready, secure, and globally scalable service? Bitonet Ltd. is building a new AI-powered software product with strong international growth potential. We are looking for an experienced Software Engineer to help us build the product. This is not a role where you'll simply implement predefined tickets or maintain a legacy codebase. You'll have the opportunity to influence the architecture, technology choices, development processes, and ultimately shape the entire product. If you've ever dreamed of a Founding Engineer-style role, without the risks of entrepreneurship, this could be the perfect opportunity. What will you be building? You'll help take a new AI product from concept to production and ultimately to international markets. Your work will involve areas such as: Applied AI and ML; Computer Vision; Backend services and APIs; Modern web technologies; Databases and data modeling; Cloud infrastructure and Linux environments; Security, performance, and scalability. What will you do? Your work will be varied, independent, and technically challenging. Typical responsibilities include: Designing software architecture and developing new features; Designing and implementing AI functionality; Building backend services, APIs, and databases; Developing modern web user interfaces; Designing and maintaining cloud infrastructure; Improving system performance, security, and scalability; Evaluating and adopting new technologies; Collaborating with business stakeholders, product development, and UX design. What are we looking for? Experience delivering production software and solving technically demanding problems. Experience with Python, AI & ML, REST APIs, React/Next.js or similar frontend tech, SQL & PostgreSQL, Docker, Linux, Git & CI/CD, AWS/Azure/Google Cloud. Advantage for PyTorch, TensorFlow, OpenCV, MLOps, CV, scalable SaaS, LLMs, data engineering, deploying AI in production. Excellent English is required; Finnish is a plus. You'll thrive with us if you enjoy building new products, taking ownership, moving between architecture and production code, solving hard problems, user-focused thinking, fast learning. What do we offer? A chance to build something where impact is visible in every release. Build a new AI product from scratch; key role in a small team; influence architecture and tech choices; continuous learning; modern tools and freedom to decide; Helsinki office on Annankatu; international growth potential; permanent contract with 3,500–5,000 €/mo salary depending on experience. We care about outcomes; GitHub projects and production software speak louder than CV lists. Interested? Our process includes a technical interview and an architecture/programming task. Send your application, CV and salary expectations by 23.8.2026. Optional: GitHub/portfolio. We review applications as they come. For role details contact Reija Laurell at reija.laurell@hrwithyou.fi.