python developer in fintech

The Client Solutions & Analytics engineering team builds and maintains proprietary quantitative platforms for portfolio construction and optimization, retirement and defined contribution solutions, capital market assumptions, multi-asset risk analytics, and institutional client intelligence. These platforms translate investment models into production systems used by portfolio managers, financial advisors, and institutional clients worldwide.

• Design and implement RESTful APIs using Python frameworks, including FastAPI, Django, and 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 with quantitative researchers, frontend engineers, and business stakeholders
• Contribute to system design and architecture decisions covering scalability, reliability, and security
• Monitor and troubleshoot production systems using observability tooling

• 10+ Years of backend development experience
• Higher education in a relevant field, such as Computer Science or Software Engineering, or equivalent
• Proven experience in a Tech Lead role, including leading a team, technical decision-making, and mentoring
• Strong Python proficiency
• Hands-on experience with Postgres, Snowflake, MongoDB, and S3
• Strong grasp of data modeling, including ER design, and system design principles
• Interest in AI-assisted development and modern developer tooling
• Experience building and shipping production-grade REST APIs
• Strong Git discipline, including branching, PRs, and code review; Agile/Jira; observability tooling such as Datadog or Komodor; secure software design; clear technical documentation
• Будет плюсом: experience with NumPy, Pandas, or other data/analytics libraries, cloud-native development experience (AWS or similar), familiarity with asynchronous processing or distributed systems, background working with financial or analytical datasets, finance domain knowledge

• Health insurance coverage for employees 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, and conferences
• Relocation to Poland includes flight tickets, first-month accommodation rent for the relocated employee and their official family, and support with visa application and issuance, entry permits, and residence permits