4,576 java developer / freelancer jobs in Polska.

... a New Ventures Core Tech project. You will design API contracts, enable partner integration, and drive frontend work on checkout paths using React. Bridging Java (and Kotlin) backends with modern frontend practices, you will define standards for external B2B integrations, and ensure secure authentication (OAuth 2.0/OpenID ...

... opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills. But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team. So, are you ready to make an impact? Join Netguru, and let's build beautiful software ...

... massive migration and modernization of a hybrid infrastructure. This role centers on the complex re-platforming and automation of 20+ mission-critical, large-scale Java and .NET ecosystems, transitioning them from legacy on-premises enterprise datacentres into a highly resilient, scalable Microsoft Azure cloud environment. Responsibilities ...

... opportunities. We seek customer-oriented people ready to learn technical skills and help build solutions for both hobbyists and gastronomy professionals. Senior Developer Full Stack We offer: - Permanent cooperation on a B2B basis with an attractive rate - Non-wage benefits package - Real involvement in developing the company's ...

... foundational skills, this training is your gateway to becoming a Front-End professional! By participating, you will gain: Practical skills in GitStrong knowledge of JavaScript꞉ functions, objects, arraysExperience with OOP, DOM manipulation, and eventsUnderstanding of async JavaScript and server communicationFocus on code quality, ...

... standardized tools, libraries, and frameworks to optimize development workflowsGuide adoption of AI technologies on the platform (GenAI, AI agents, AIOps) to improve developer productivity and operationsIntegrate diverse development tools and services within the platform ecosystem to support multiple teamsEnhance developer experience ...

... microservices. You will translate business needs into scalable technical solutions and contribute to modernization and cloud migration projects. The role requires strong Java expertise, experience with Kubernetes and Docker, and collaboration with cross-functional teams to ensure quality and security across the software lifecycle.

We are looking for an experienced Software Engineer to join a dynamic team focused on memory safety migrations. You will be responsible for porting widely-used, legacy C/C++ open-source libraries to memory-safe Rust equivalents.

Our client, a leading manufacturer of high-end household appliances, is expanding into new smart product lines. As part of this strategic initiative, a large-scale global program is being implemented across the company's IP portfolio.

... (at least B2 level) university degree in computer engineering / IT and/or similar qualification 8+ years of working experience in software development as a developer in (modern) ABAP knowledge of clean coding, object-oriented development principles, agile development, DevOps technologies analytical and problem-solving skills ...

... love to meet you! ABOUT THE ROLE We are looking for a Senior Product Owner to own the strategic vision and backlog prioritization for internal security tools, developer portals, and platform artifacts within a large-scale enterprise security program. You will define and prioritize user stories across multiple engineering workstreams, ...

About the project Join an international team responsible for developing and maintaining a global Quality Management System built on the Veeva Vault platform. You will work on business-critical solutions supporting quality and compliance processes in a highly regulated pharmaceutical environment.

... Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted. How freelancing works at Netguru? As a Netguru Freelancer , you can choose what works well for you. You decide when, where, and how you work on projects and tasks. We match you with work that fits your skills. Plus, ...

TNS Inc. is seeking a Senior Real-Time Linux Developer in Łódź, Poland. Join an agile team to innovate around network monitoring products for real-time financial data. Collaborate with hardware engineers and front-end developers to build high-performance systems, enabling ultra-low latency data capture. The ideal candidate ...

... analytics, experimentation and developer feedback to continuously prioritise and improve programmes. About You Minimum Requirements - Hands-on experience in developer marketing, technical marketing, Developer Relations, developer advocacy, technical product marketing, developer growth, or another role combining technical ...

... biurze w Warszawie. Obowiązki obejmują projektowanie, rozwój i utrzymanie testów automatycznych oraz automatyzację testów API i UI. Wymagane doświadczenie w Java, Selenium, REST Assured, testowaniu mikroserwisów oraz REST/JSON, SQL i Git. Mile widziane Docker/Kubernetes, GCP i praca w Agile. Oferujemy długoterminową współpracę, ...

Poszukujemy Senior Java Developera z Angularem dla naszego Klienta - jednej z najdynamiczniej rozwijających się firm informatycznych w Polsce, która świadczy usługi tworzenia i utrzymania oprogramowania, aż po automatyzację procesów biznesowych dla kluczowych graczy sektora finansowego, publicznego i technologicznego. Na ...

Poszukujemy Junior Java Developera, który dołączy do zespołu realizującego projekty dla naszego klienta. Jeśli jesteś osobą dokładną, skrupulatną i chcesz rozwijać swoje umiejętności w środowisku Java, zapraszamy do aplikowania. Zakres obowiązków Rozwój i utrzymanie aplikacji w technologii Java. Współpraca z zespołem projektowym ...

... developed components - Troubleshoot issues SKILLS Must have - 3+ years of experience in Tech Lead - 8+ years of experience in Software Development - 5+ years as a Java Developer - 5+ Experience with Java BackEnd - 4+ years of experience with SpringBoot, Hibernate - Experience with SaaS/Docker/Kubernetes - 2+ years of experience ...

... learning Technical experience: Several years of experience with SAP BTP, more specifically with CAP, and SAPUI5 / Fiori development Experience with tools such as JavaScript/TypeScript, https://jobeax.com/link/JSd7UYCSg572jJDY or Java, API-based integrations, Git, and Azure DevOps Experience with SAP HANA Cloud and CDS views ...