Senior Python Fullstack Developer

Job Description The client is a global investment management firm that specializes in systematic investment strategies. Responsibilities : - Build and enhance internal web applications using React, TypeScript, and Material UI - Develop and maintain Python back-end services and APIs (FastAPI) that power portfolio analytics and management workflows - Integrate with our investment data platform (REST API, Polars/PyArrow for data processing) - Build data transformation and aggregation layers that surface portfolio, risk, and performance data in interactive UIs - Work with modern Python tooling: uv for package management, pytest, Pydantic for data models, httpx for API clients - Collaborate closely with portfolio managers and researchers to translate business needs into working software - Participate in code review, CI/CD (GitLab), and containerized deployments (Docker, Kubernetes/ArgoCD) - Contribute to architecture decisions as the platform evolves from legacy on-prem systems to cloud-native (AWS) Qualifications: - Strong Python skills — FastAPI or similar async frameworks, data transformations, building services that are reliable and well-tested - Experience with React and TypeScript (Material UI a plus) - Familiarity with modern data processing libraries (Polars, PyArrow, or Pandas) for working with large datasets - Experience with containerized deployments (Docker, K8s) and Git-based CI/CD - Self-directed, able to take ownership of features end-to-end - Experience in financial services or quantitative environments preferred but not required - Good communication skills — this is a collaborative, small-team environment Additional information - Work with some of the most dynamic US tech companies, building and iterating on new features and platforms. - Long-term projects with real technical challenges. - Fully remote work with flexible hours. - Collaboration flexibility: We work with B2B (PFA/SRL) contracts. - 30 paid days off per year. - We provide equipment as needed (laptop, desktop, etc.). - Continuous learning: We sponsor career-improving courses, seminars, and certifications. - Opportunity for annual business visits to the US, depending on project needs. Get picky and choose a career that matches your mindset and lifestyle. Team up with a company that encourages you to do more and gives you the flexibility you need!