Senior Python Developer

The Client Solutions & Analytics engineering team builds and maintains a suite of proprietary quantitative platforms spanning portfolio construction and optimization, retirement and defined contribution solutions, Capital Market Assumptions, multi-asset risk analytics, and institutional client intelligence tooling. Responsibilities: — Design and implement RESTful APIs using Python frameworks (FastAPI, Django, Tornado) — Build and maintain data pipelines and backend services for analytics workloads — Design and optimize database schemas across relational, NoSQL, and cloud data stores — Work with structured and unstructured data across Snowflake, Postgres, S3, and MongoDB — Collaborate closely with quantitative researchers, frontend engineers, and business stakeholders — Contribute to system design and architecture decisions — scalability, reliability, security — Monitor and troubleshoot production systems using observability tooling Requirements: — 9+ years of backend development experience — Strong Python proficiency — the team's primary language — Solid hands-on experience with Postgres, Snowflake, MongoDB, and S3 — Strong grasp of data modeling (ER design) and system design principles — Interest in AI-assisted development and modern developer tooling — Experience building and shipping production-grade REST APIs We offer: — Flexible work setup: remote model (Poland, Serbia, Georgia, Spain, Portugal, Armenia) or hybrid if desired (Poland) — Health insurance coverage for those based in Poland — 50% coverage of health insurance for spouses and children in Poland — 24 days of paid vacation — 10 days of paid sick leave — 50% reimbursement for professional training, education, conferences — Work alongside a highly professional team — Engaging teambuilding events and activities