9,670 senior node.js backend developer jobs in Polska.

250k

... ambitni klienci. Niezależnie od tego, co zamierza nasz klient, jako eksperci pomagamy w całym procesie end-to-end. Do naszego zespołu poszukujemy: Consultant / Senior Consultant (Energetyka / OZE) Twoja przyszła rola: - udział w pozyskiwaniu różnych form finansowania na rynku polskim i rynkach międzynarodowych, - wsparcie ...

• Hybrydowo

A leading global consulting firm seeks an experienced Google Data Engineer in Wrocław. In this role, you will design, build, and maintain scalable data platforms on Google Cloud, working closely with analytics teams to ensure data quality and performance.

Starszy projektant / Starsza projektantka orurowania / Senior Piping Engineer W Jacobs tworzymy mądrzejszy, bardziej skomunikowany i zrównoważony świat. Razem przekraczamy granice możliwości, wyznaczając standardy, których potrzebuje przyszłość. W Jacobs tworzymy projekty, które realnie zmieniają świat — od inteligentnych ...

• Kontrakt

$2k USD

We are seeking a Senior Platform Engineer to design and build the API and Gateway layer that unifies our Data & AI Platform, transforming a fragmented service landscape into one coherent, secure, and observable product. Responsibilities Design and build APIs and SDKs on top of distributed platform services using Python/FastAPIDefine ...

• Kontrakt

$2k USD

We're looking for an experienced Senior .NET Engineer with Cloud expertise to become part of a dynamic development team working on a project for one of our key clients. Your role will involve designing, building, and maintaining secure, scalable, and robust web applications and services through .NET and the cloud, along ...

Diverse CG Sp. z o.o. Sp.k. in Poland is looking for a Senior Test Automation Engineer. The role requires over 5 years of experience in development with Python or Java, experience with GIT and BDD tools, and strong competency in CI/CD tools. Responsibilities include requirement analysis, test planning, and implementing ...

OrbitShift AI is seeking an experienced Senior Software Development Engineer (SDE III) to design and own cross-team systems within our AI-native Sales Operating System. You will apply SOLID principles, drive architecture discussions, and remain hands-on to deliver production-grade components at scale. You will lead design ...

• Kontrakt

$2k USD

We are seeking a Senior Platform Engineer to design and build the API and Gateway layer that unifies our Data & AI Platform, transforming a fragmented service landscape into one coherent, secure, and observable product. Responsibilities Design and build APIs and SDKs on top of distributed platform services using Python/FastAPIDefine ...

Diverse CG Sp. o. k. is seeking a professional with deep operational experience in IBM Mainframe z/OS and strong DB2 skills to join their BizDevOps Agile team. The role involves application maintenance, incident management, and collaboration with stakeholders to deliver sustainable solutions.

Netguru is seeking a Senior Account Manager to lead executive relationships and governance for assigned clients in a Europe-focused portfolio. You will drive multi-service adoption across product design, engineering, AI enablement, DevOps, and managed services, building trusted partnerships and delivering strategic growth. ...

• Zdalnie
• Hybrydowo

Aviva plc is seeking an experienced Data Scientist to join the Services Excellence Centre in Warsaw. You will develop and deploy Data Science and ML models, work with Python, R, and SQL, and present findings to business stakeholders.

• Hybrydowo

70000 £ / rocznie

Senior Electrical Engineer | Hybrid Working | Up to £70,000 An award-winning, sustainability led building services and environmental design consultancy is looking to appoint a Senior Electrical Engineer to join its growing London team. With a strong reputation for delivering sustainable, design-led projects, the business ...

W Jacobs tworzymy mądrzejszy, bardziej skomunikowany i zrównoważony świat. Razem przekraczamy granice możliwości, wyznaczając standardy, których potrzebuje przyszłość. O nas W Jacobs tworzymy projekty, które realnie zmieniają świat — od inteligentnych fabryk i zrównoważonych systemów wodnych, po nowoczesną infrastrukturę ...

DCG Poland is looking for a Senior Mainframe Specialist to enhance mainframe software usage, oversee migration activities, and ensure systems integration. Key responsibilities include planning migrations, collaborating on solutions for existing tools, and analyzing mainframe environments. The role demands at least 6 years ...

• Hybrydowo

Senior do spraw Structuring w Zespole Doradztwa Podatkowego Senior do spraw Structuring w Zespole Doradztwa Podatkowego Katowice Zespół BTA wspiera klientów w kompleksowej analizie skutków podatkowych ich działań biznesowych, transakcji oraz procesów reorganizacyjnych. Pracujemy z największymi podmiotami na rynku — zarówno ...

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• Hybrydowo

Sii Poland is seeking an experienced Senior SAP Analyst to design and implement payment formats across banks and countries within SAP Treasury. The role focuses on configuring payment formats, bank statements, and ISO20022 uploads, ensuring treasury operations meet compliance and efficiency goals. You will collaborate with ...

• Hybrydowo

EPAM Systems in Poland is seeking a Senior AI & Agentic Systems Engineer (Java) to join our team. The role blends enterprise Java development with cutting-edge AI, focusing on autonomous, AI-powered applications built on robust Java/Spring Boot backends. You’ll integrate LLMs, design agent workflows, and collaborate with ...

SentinelOne is seeking a Senior Infrastructure Engineer to build and optimize data services at scale across Kubernetes clusters and multiple clouds. You will drive cloud portability, automate lifecycle workflows, and ensure low latency and high throughput for petabyte-scale daily data. Ideal candidates bring 5+ years in ...

We are looking for an experienced Data Engineer to join an international team working on a strategic regulatory initiative within the financial sector. You will develop and maintain a data platform and reporting processes operating in a complex Big Data environment.

Billennium invites an experienced SAP S/4HANA Public Cloud Finance Consultant to join an international project. You will work across GL, AP, AR, CO, and P2P/O2C with Fiori and analytics, driving fit-to-standard finance transformations.