Senior Python Developer (AI-First / AWS Serverless)

Responsibilities: - Develop and maintain the API for a customer-facing financial data collection product. - Manage AI agents (Claude Code, Codex): write prompts, review agent output, keep instructions up to date. - Take full end-to-end ownership of quality: write tests and independently verify features in deployed environments. - As the project evolves — gradually take on front-end tasks (preferred stack Angular, some React) as part of transition to full-stack model. Requirements: - 6+ years of commercial experience with Python 3.12 (FastAPI, Pydantic v2) or strong experience in Java/.NET with desire to transition to Python. - Experience with AWS Serverless (Lambda, DynamoDB single-table design, EventBridge, SQS/SNS, S3). - Hands-on experience using AI agents for code generation in production. - Testing and quality stack: pytest (with DynamoDB Local), uv, Ruff, mypy. - Understanding of IaC (Terraform) and CI/CD (GitHub Actions). - Understanding of event-driven and multi-tenant SaaS architecture patterns. - English level B2+. Benefits: - Collaboration via B2B contract with payments in USD or EUR or labor contract if based in Georgia, Serbia, or Kazakhstan. - Flexible work schedule. - Possibility to work remotely. - Opportunities for professional growth. - Company laptop provided. This is a remote position open to candidates working from any location except Russia and Belarus. Working hours: Central European Time (CET/CEST).