Senior Full Stack Engineer (Python & Next.js) — Data Integration

Quick Facts

Senior Full Stack Engineer (Python & Next.js) — Data Integration

Description

Senior Full Stack Engineer role supporting the Data Team to bring investment reference data closer to the investment lifecycle.

Responsibilities

• Design, develop, and maintain full-stack applications for reference data management and investment-related workflows
• Build robust backend services, APIs, and data-processing components
• Develop intuitive, responsive frontend interfaces for data management, validation, search, review, and operational workflows
• Deliver data integration solutions for entity, portfolio, and security reference data
• Establish reliable data relationships between investment entities, funds, portfolios, securities, issuers, counterparties, and related financial instruments
• Support reference data onboarding, enrichment, validation, approval, reconciliation, and downstream distribution workflows
• Collaborate with investment and operations stakeholders to understand how reference data supports the investment lifecycle
• Design and implement RESTful APIs and, where appropriate, event-driven integrations
• Integrate reference data services with internal investment platforms, data warehouses, and enterprise applications
• Work with relational databases and data services to support efficient data access and processing
• Implement data transformation, validation, and synchronization processes across systems
• Lead refactoring and redesign initiatives with resiliency, compliance, and auditability in mind

Requirements

• 7+ years of experience with Python, FastAPI, Next.js, React, TypeScript, SQL, and Docker
• Experience designing and implementing RESTful APIs and event-driven integrations using Kafka
• Knowledge of SQL and relational databases, preferably PostgreSQL or Microsoft SQL Server (or equivalent)
• Experience with data modeling, data validation, and integration patterns
• Experience with data integration and ETL/ELT using Python data pipelines
• Working experience with Kubernetes clusters and containerized applications using Ubuntu-based images
• Strong commitment to test automation, including unit and integration testing
• Experience working in agile teams on complex, high-stakes applications
• Collaborative mindset with code reviews and peer learning
• Comfortable working with globally distributed teams
• Familiarity with Atlassian tools (Jira, Confluence)
• System design expertise across microservices, database modeling, and API design
• English proficiency at B2 level or higher

Benefits

• Hybrid-by-design working model; opportunity to work remotely within Poland
• Ability to work abroad for up to 60 days annually and potential relocation opportunities
• Career development programs, thought leadership, mentoring, and soft skills/well-being programs
• Certification support (Anthropic, Gemini, GCP, Azure, AWS) and English classes
• Stable pay and participation in an Employee Stock Purchase Plan with a 15% discount
• Benefits package including health insurance, Multisport, and shopping vouchers
• Referral bonuses up to $2,000
• Office perks plus corporate, social, and well-being events