4 data science jobs in Wrocław

Business/System Analyst (Finance module). Full-time Hybrid Wroclaw Apply now Overview paytech is a dynamic fintech company dedicated to pushing the boundaries of innovation in the industry. We are looking for an experienced Business/System Analyst to join the team responsible for the financial module of our payment platform. The module covers financial calculations, transaction and financial reporting, reconciliation processes, reporting APIs, client-specific configurations, and other functionality supporting the financial operations of our clients. The analyst will work closely with Product, Engineering, QA, Support, and client-facing teams, helping transform business needs into well-defined requirements and supporting functionality throughout its lifecycle — from initial discovery and analysis to implementation, acceptance, documentation, and production rollout. Key Responsibilities Discover, analyse, and formalise business requirements; Design...

paytech is a dynamic fintech company dedicated to pushing the boundaries of innovation in the industry. About the Role: We operate payment infrastructure across multiple isolated AWS accounts for several fintech products. The core stack is built on Oracle Database (AWS RDS SE2), APEX applications, and high-throughput transactional processing pipelines. We are looking for an experienced Database Administrator who can operate under strict PCI DSS requirements, understands the nuances of cloud-hosted Oracle, and is ready to own database stability in production environments. Key Responsibilities: Oracle SQL / PL/SQL Design and optimize complex SQL queries, stored procedures, functions, triggers, and PL/SQL packages; Analyze and tune query execution plans using EXPLAIN PLAN, AWR, ASH; resolve performance bottlenecks; Manage database schemas: DDL migrations, table partitioning, index lifecycle management; Develop and maintain ETL processes and batch...

As an NMS Business Analyst reporting to Senior Director, you'll play a key role in bridging the gap between our clients and our internal teams — translating business needs into clear, actionable requirements that drive effective delivery. You'll thrive in this role if you're a strong communicator, naturally curious about financial markets, and energized by working with clients across multiple time zones. You bring both analytical thinking and a people-first approach to everything you do. Key Responsibilities Manage the end-to-end process of gathering, documenting, and validating business and system requirements throughout the project lifecycle. Serve as the primary point of contact for clients, building strong relationships and ensuring satisfaction from implementation through ongoing support. Support project delivery across design, development, testing, and go-live phases, ensuring client requirements are clearly understood and met. Provide training and guidance to end...

As a Software Engineer reporting to the VP, Product Management, you'll play a critical role in designing and delivering sophisticated software solutions that power Nasdaq's AxiomSL AI product. You'll work across the full development lifecycle, from architecture to implementation, bringing your expertise to a fast-growing, innovation-driven team. You'll thrive in this position if you're a problem-solver who enjoys tackling complex technical challenges, collaborating across functions, and helping those around you grow. Please note: This is an urgent hiring requirement, and we are seeking a candidate who can join the team no later than 1 October 2026. Candidates with immediate availability or short notice periods are strongly encouraged to apply. Key Responsibilities Design, develop, and implement scalable software solutions across new and existing applications and systems architecture. Lead technical analysis of complex assignments, including coding, testing, debugging, and...