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

Quick Facts

Role: Senior Full Stack Engineer (Python & Next.js) with a focus on Data Integration

Description

Support the Data Team by delivering full-stack applications for reference data management tied to investment lifecycle workflows. You will build backend services, RESTful/event-driven integrations, and frontend interfaces for onboarding, validation, review, reconciliation, and distribution. The role also covers designing reliable data relationships across investment entities and related instruments.

Responsibilities

• Design, develop, and maintain full-stack applications for reference data management and investment workflows
• Build backend services, APIs, and data-processing components
• Create responsive frontend interfaces for data management, validation, search, review, and operational workflows
• Implement data integration solutions for entity, portfolio, and security reference data
• Establish reliable relationships between investment entities, funds, portfolios, securities, issuers, counterparties, and financial instruments
• Support onboarding, enrichment, validation, approval, reconciliation, and downstream distribution workflows
• Collaborate with investment and operations stakeholders to understand lifecycle impact of reference data
• Design and implement RESTful APIs and event-driven integrations (as appropriate)
• Integrate reference data services with internal investment platforms, data warehouses, and enterprise applications
• Work with relational databases and data services for efficient access and processing
• Implement data transformation, validation, and synchronization 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, Microsoft SQL Server, or equivalents
• Experience with data modeling, data validation, and integration patterns
• Experience with data integration and ETL/ELT via Python data pipelines
• Working experience with Kubernetes clusters and containerized applications using Ubuntu-based images
• Strong commitment to test automation (unit tests and integration testing)
• Experience in agile teams delivering complex, high-stakes applications
• Collaborative mindset, including code reviews and peer learning
• Ability to work with globally distributed teams
• Familiarity with Atlassian tools (Jira, Confluence, etc.)
• System design expertise across microservices, database modeling, and API design
• English proficiency at B2 level or higher

Benefits

• Hybrid-by-design with opportunity to work remotely within Poland; possibility to work abroad up to 60 days annually
• Career development programs, mentoring, thought leadership and soft skills/well-being programs
• Certification support for Anthropic, Gemini, GCP, Azure, and AWS
• English classes
• Stable pay; Employee Stock Purchase Plan with a 15% discount
• Health insurance and other benefits (e.g., multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Social and well-being events