Senior Java Backend Engineer Jobs in Warsaw

Roles & Responsibilities:Backend Developer ProfileCore Tech StackLanguages & FrameworksJava 1125 (LTS focus: 11 17 21) modern language features (records sealed classes pattern matching virtual threads)Spring Boot 34 (Spring Framework 6 native compilation awareness a plus)Quarkus 12 (CDI Panache nati...

Take end-to-end ownership of the Vast Gateway serviceMaintain develop and extend platform functionalityDesign and implement scalable Back-end solutions for high-load environmentsSupport onboarding of new clients including integrations monitoring setup troubleshooting and optimizationBuild custom fea...

Backend EngineerWere looking for a Backend Engineer with 5 years of experience to build and maintain high-volume data collection systems and reliable experimentation infrastructure for a digital product.ResponsibilitiesBuild and maintain streaming pipelines for app web and business data.Develop and...

About the companyInsurance is a $7T global industry built on professional labor: underwriting claims pricing operations and distribution. Were building AI that can perform that work - professional-grade systems for insurers that read reason decide and act inside real workflows over long time horizon...

Team Connect is a Polish nearshore and offshore IT services provider. Since 2008 we have been building and developing software for our clients.We specialise in Agile and DevOps-based software development from analysis through to deployment. We build backend frontend and mobile applications.Ongoing r...

Long-term B2B Contract Remote within EURole OverviewWe are looking for an experienced Java Tech Lead / Lead Backend Engineer who combines strong hands-on backend engineering with technical leadership and architectural ownership.You will work on cloud-native distributed systems taking ownership of co...

For our client from the banking industry we are looking for an experienced Senior Java Developer to join a team responsible for developing and maintaining critical business applications in a modern technology environment.Your ResponsibilitiesDesign develop and maintain applications within the bankin...

Why voize Because were more than just a job!At voize we believe the greatest gift to frontline workers is time - time to care connect and be present. Today that time is lost to admin work that pulls nurses away from what matters most: people.Were changing that by building the AI companion that frees...

Wipro Limited (NYSE: WIT BSE: 507685 NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address clients most complex digital transformation needs. Leveraging our holistic portfolio of capabilities in consulting design engineering and ope...