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.