Oferty dla Database Development praca Warszawa

01.02.2026 | Pełny etat | Warszawa | 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

01.02.2026 | Pełny etat | Warszawa | ERGO Technology & ServicesThat support financial data management - developing and maintaining ETL processes to integrate data from diverse sources, including market data feeds, customer information systems, and transactional databases - ensuring data quality, security, and compliance with regulatory requirements - collaborating

01.02.2026 | Pełny etat | Warszawa | BlockyDevs sp. z o.o.We build end-to-end applications combining fintech-grade reliability with Web3 innovation. As a Fullstack Developer, you’ll primarily work with on the backend, React on the frontend, and occasionally contribute to smart contract development. Develop backend services with - (NestJS

01.02.2026 | Pełny etat | Warszawa | PAYBACKAnsible - Experience with cloud native applications, preferable with GCP Services like Cloud Run, Pub/Sub, BigQuery, Airflow - Knowledge of Relational Databases, preferably PostgreSQL - Open minded towards full stack developer approach (including testing, web frontend, backend, monitoring, DevOps mindset

01.02.2026 | Pełny etat | Warszawa | BlockyDevs sp. z o.o.Skills in /NestJS - 2-4 years of commercial experience in backend or fullstack development - Experience working with production applications (bugfixing, small features, deployments) - Practical frontend experience with React - TypeScript - Basic experience with databases (SQL/NoSQL) and API

01.02.2026 | Pełny etat | Warszawa | Capital.comDistributed and asynchronous systems ensuring reliability and fault tolerance - Optimise performance across JVM, databases, caching, and networking layers - Apply security best practices in handling client PII and financial transactions - Use event-driven architectures and modern messaging solutions (e.g

01.02.2026 | Pełny etat | Warszawa | PAYBACKHandling of common software development patterns (design patterns) and best practices of software development (e.g. Clean Code, SOLID Principles). - Profound experience with relational databases, SQL and ORM frameworks (especially SQLAlchemy). - Practical experience with CI/CD processes and tools, ideally

30.01.2026 | Pełny etat | Warszawa | Randstad Polska Sp. z o.o.Support, FX Business Analysis, and IT Development. In these roles, you will be instrumental in managing mission-critical infrastructure, from end-to-end VaR calculations and FX Options pricing to platform stability and automation. What we expect - Experience Minimum 5-6 years of professional experience

29.01.2026 | Pełny etat | Warszawa | Cognizant Technology Solutions Poland Sp. z o.o.To realize your career goals, and a range of benefits. Be Cognizant! We're looking for a talented Software Development Engineer in Test with strong Java skills to join our team. At Cognizant, we're dedicated to helping leading companies transition to being digital, and this role is crucial to that mission