We are looking for a Senior Full-Stack Engineer who can deliver end-to-end features, make solid architecture decisions and help build modern SaaS products enhanced with AI. This role is for someone who is technically strong and product-minded.
- Your responsibilities
- design architecture and build key frontend and backend features,
- develop scalable applications in Next.js and Node.js,
- make technical decisions related to performance, security and quality,
- run code reviews and mentor less experienced engineers,
- work closely with the product owner and clients,
- introduce AI features where they create real product value.
- Nice to have
- NestJS,
- Kubernetes or serverless experience,
- SaaS product background,
- LLM API integrations and AI workflows,
- monitoring, tracing and performance tuning,
- experience in a product company or software house.
- What we offer
- Salary: PLN 22,000–29,000 gross/month (employment contract) or PLN 26,000–35,000 net + VAT/month (B2B)
- high autonomy and real technical ownership,
- work on products that go beyond proof-of-concept stage,
- a modern stack and meaningful engineering challenges,
- direct impact on technical decisions,
- organizational flexibility,
- a team that values quality, ownership and sensible execution.