Jobs at Posti

Lead Software Developer responsible for applying AI to business operations, building backend services with Python and AWS, and guiding technical direction across teams. The role includes collaboration with product and domain owners, full SDLC involvement, architectural decision-making, and engineering leadership. Bonus experience includes LiteLLM, RAG, AWS Bedrock, CloudFormation, production LLM systems, or order management platforms.

Develop high-quality backend services using Python and AWS for Posti’s operations-domain platforms. Responsibilities span the full software development lifecycle, including requirements, development, testing, deployment, security, and maintenance. The role collaborates with product owners, domain owners, and cross-functional teams to build and improve core capabilities and customer-facing services.