Oferty dla Data Systems praca Polska

22.04.2026 | Pełny etat | Warszawa | MastercardAdvisors Research Center (L7) Our Purpose We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals

21.04.2026 | Pełny etat | Wysokie Mazowieckie | XTBFor you. We are a certified Great Place to Work company. Responsibilities - Working in a Scrum environment, with a strong focus on effective team collaboration. - Development of multiple products, offering the opportunity to build a wide range of functionalities. - High-performance systems - we process

21.04.2026 | Pełny etat | Wysokie Mazowieckie | The Digital BunchAcross the full stack React on the frontend, NestJS on the backend, PostgreSQL and Redis underneath. The backend integrates with 15+ external services (breach intelligence APIs, cloud provider APIs, PSA systems like ConnectWise), runs BullMQ job queues, uses TypeORM and Auth0. About 10% of your time

21.04.2026 | Pełny etat | Wysokie Mazowieckie | ElitmindExperience with modern data platforms Databricks and/or Snowflake, Microsoft Fabric - Strong proficiency in SQL and Python with a solid grasp of software engineering best practices - Hands-on knowledge of cloud-native services, ETL/ELT frameworks, and orchestration tools (ADF, Airflow, dbt) - Experience

21.04.2026 | Pełny etat | Wysokie Mazowieckie | The Digital BunchAcross the full stack React on the frontend, NestJS on the backend, PostgreSQL and Redis underneath. The backend integrates with 15+ external services (breach intelligence APIs, cloud provider APIs, PSA systems like ConnectWise), runs BullMQ job queues, uses TypeORM and Auth0. About 10% of your time

21.04.2026 | Pełny etat | Wysokie Mazowieckie | The Digital BunchAcross the full stack React on the frontend, NestJS on the backend, PostgreSQL and Redis underneath. The backend integrates with 15+ external services (breach intelligence APIs, cloud provider APIs, PSA systems like ConnectWise), runs BullMQ job queues, uses TypeORM and Auth0. About 10% of your time

21.04.2026 | Pełny etat | Wysokie Mazowieckie | XTBFor you. We are a certified Great Place to Work company. Responsibilities - Working in a Scrum environment, with a strong focus on effective team collaboration. - Development of multiple products, offering the opportunity to build a wide range of functionalities. - High-performance systems - we process

21.04.2026 | Pełny etat | Wysokie Mazowieckie | The Digital BunchWorkspace), checks breach databases, and generates reports with an AI layer on top for analysis and recommendations. The platform has been live for 5+ years, was acquired last year by a larger company (100+ people), and is actively growing. New features ship every sprint. The codebase is mature but moves

21.04.2026 | Pełny etat | Wysokie Mazowieckie | BlockyDevs sp. z o.o.Develop backend services with (NestJS/Express) - Build frontend apps with React/ - TypeScript - Work with databases (PostgreSQL, MongoDB) and APIs - Occasionally contribute to smart contracts (EVM/SVM) - Collaborate with design, backend, and blockchain teams Requirements - Strong backend