Back-end Engineer (Node.js / AWS Serverless)

We are an IT company looking for proactive, communicative engineers to join a product team on a long-term basis. We focus on results and care about the growth of our people. Currently, we are looking for a Back-end Engineer. If you enjoy building cloud-native systems and want to influence a product before it goes to market, join us. About the project: A cloud-based, AI-driven analytics product for financial data. The product is at the alpha stage. You will work alongside the product team to get it ready for release. Required skill set: - 5+ years of commercial experience with Node.js. - Hands-on experience with AWS. - Experience with AWS Lambda and serverless development. - Strong knowledge of PostgreSQL and/or DynamoDB. - Experience in developing RESTful APIs. - Good understanding of cloud architecture and scalability. Will be a plus: - TypeScript. - Infrastructure as Code (AWS CDK, SAM or Terraform). - Experience in FinTech. - Experience with AI-assisted development tools (Claude Code, Copilot, etc.). Responsibilities: - Development of the back end of a cloud-based solution on AWS. - Designing and implementing serverless functions. - Database design and query optimisation. - Code reviews and ensuring code quality. - Collaboration with the product team, front-end and data engineers. - Participation in technical design discussions.