Software Country (ТОО Балхаш Системс)

Senior Python Developer (AI-First / AWS Serverless)

In short

Senior Python Developer role developing and maintaining APIs for a customer-facing financial data collection product, with strong focus on AWS Serverless (Lambda, DynamoDB, EventBridge, SQS/SNS, S3) and managing production AI agents for code generation. The company is a software development services provider with 30 years of experience in high-load systems, AI, and BI solutions. Requires 6+ years of Python/FastAPI experience (or Java/.NET with willingness to transition), testing ownership, and B2+ English; will gradually expand into Angular/React frontend work.

Location
Remote from any location except Russia and Belarus; working hours aligned with Central European Time (CET/CEST).
Company
Software development services provider with 30 years of experience building complex high-load systems, AI and BI solutions, and mobile applications.
What you will do
•Develop and maintain the API for a customer-facing financial data collection product.
•Manage AI agents, including writing prompts, reviewing generated output, and keeping instructions current.
•Own product quality end to end by writing tests and independently verifying features in deployed environments.
•Gradually take on frontend development as the project transitions toward a full-stack model.
Requirements
•6+ years of commercial experience with Python 3.12, FastAPI, and Pydantic v2, or strong Java/.NET experience with a genuine interest in transitioning to Python.
•Hands-on experience with AWS Serverless, including Lambda, DynamoDB single-table design, EventBridge, SQS/SNS, and S3.
•Production experience using AI agents for code generation.
•Experience with pytest, DynamoDB Local, uv, Ruff, and mypy.
•Understanding of Terraform, GitHub Actions, event-driven architecture, and multi-tenant SaaS architecture.
•English proficiency at B2+ level.
Nice to have
•Experience with Angular or React frontend development.
Culture & Benefits
•Remote work with a flexible schedule.
•B2B collaboration with payments in USD or EUR, or a labor contract for candidates based in Georgia, Serbia, or Kazakhstan.
•Professional growth opportunities.
•Company laptop provided.

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