2,177 java application engineer jobs in Warszawa, Polska.

Accenture is seeking a Java Backend Developer to design, develop, and maintain backend services using Java 17+, Spring Framework, and Spring Boot 3.x. You will work with Nasdaq Calypso to support financial systems and integrate messaging platforms like Kafka, JMS/ActiveMQ, or RabbitMQ. The role involves developing optimized ...

... state management and component reusability - Analyze and optimize application performance, including load times and Core Web Vitals - Collaborate with backend engineers, UX/UI designers, and product managers - Integrate frontend applications with REST and GraphQL APIs - Support delivery of product features in a cross‑functional ...

Najważniejsze informacje: Dla jednego z naszych klientów poszukujemy programisty Backend w języku Java, który będzie odpowiedzialny za rozwój i utrzymanie systemu o wysokiej wydajności oraz krytyczności. Głównym celem tej roli jest zapewnienie efektywności oraz bezpieczeństwa rozwoju aplikacji. Obowiązki: Rozwój i utrzymanie ...

... nowoczesne projekty. Aktualnie dla naszego Klienta, jednej z największych globalnych instytucji bankowo-inwestycyjnych poszukujemy osoby na stanowisko Senior Java Engineer - GenAI . - Lokalizacja: współpraca hybrydowa z biura w Warszawie - Stawka: 170-210 zł/h net+ VAT - Długofalowa współpraca - Benefity: Prywatna opieka ...

... improvement of deployment workflows, operational processes and platform reliability Требования - Over five years of professional experience in DevOps, Platform Engineering, Cloud Engineering or related areas - Proven experience working in Agile development environments - Strong customer and service orientation - Fluent Business ...

We are looking for a skilled and experienced Senior Test Automation Engineer with strong proficiency in Java and a solid background in the banking domain , especially in payment systems and Swift messaging . You will play a key role in ensuring the quality and reliability of our financial applications through robust automated ...

We are seeking a skilled Senior Mobile DevOps Engineer to enhance our mobile application development processes. The ideal candidate will focus on automating and optimizing our CI/CD pipelines and ensuring efficient deployment cycles across Android and iOS platforms. Responsibilities Develop and maintain continuous integration ...

... into working platforms, reusable deployment patterns, automation, and production-ready services. You will collaborate closely with Cloud Architects, Platform Engineering, DevOps, Security, Networking, Data, AI, and Product teams to deliver robust Azure solutions that support modern application delivery, containerized workloads, ...

... ensuring compliance throughout their credit journey. This includes Customer Rating data, Customer Accountings and Rating models. The position as Senior Data Engineer offers a unique opportunity to join us in supporting the existing systems and be a part of the next steps in our evolution by: - Enable the Data Tech Transformation ...

... deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning ...

Wspólnie z naszym Partnerem, liderem w branży ubezpieczeniowej, poszukujemy doświadczonego/ej specjalisty/ki do realizacji projektów jako Fullstack Developer (Java + Angular). Będziesz świadczyć usługi w projekcie, który obejmuje rozwój systemów do zgłaszania i obsługi szkód dla instytucji z sektora ubezpieczeniowego. Praca ...

... private networking, private endpoints, custom routing, and Azure Private DNS. - Good understanding of Azure networking components, such as Azure Firewall, Application Gateway, Load Balancer, Network Security Groups, virtual networks, and VNet peering. - Nice-to-have skills and growth opportunities: Experience with Azure ...

... (metrics, logs, traces, alerting) Respond to production incidents and client threats, lead remediation, and drive follow‑up improvements Partner with product engineers working in Java, https://jobeax.com/link/JSd7UYCSg572jJDY, and Python to design, instrument, and operate services for failure, owning SLIs/SLOs and error budgets ...

... continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Data Engineer (ETL / Big Data) Responsibilities: Design, develop, and maintain ETL processes supporting Market Abuse Surveillance and Compliance solutions Build and test ...

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems ...

... with 3 days per week working from the Warsaw office. Are you passionate about moving beyond AI experimentation and building real-world, production-ready AI applications? We are looking for an AI Solutions Engineer to design and deploy intelligent, agentic workflows. In this role, you won’t just work with models—you will ...

Dla naszego klienta współpracownikówna stanowiska Mid/Senior Backend Java Developer w obszarze Digital Domain. Zespół odpowiada za rozwój krytycznych usług BFF (Backend for Frontend) wspierających checkout, customer management oraz procesy commerce dla milionów użytkowników. Zakres obowiązków - Backend Development: Projektowanie, ...

Citibank (Switzerland) AG Poland is seeking an Applications Development Senior Programmer Analyst to contribute to Core Prime Brokerage platform development using Java/Kotlin, and to advance CI/CD practices with automated testing. You will work with a global team, mentor juniors, participate in design and estimation, and ...

Ørsted is seeking a developer to enable its Gas Storage trading solution by refactoring a Python application and enhancing backend components. The role also covers frontend work in Angular, data transformation, and database interfaces with PostgreSQL, all to deliver a user-friendly experience for trading and gas operations ...

... full ownership of the Taxes direction, drive end-to-end architectural decisions, and build and grow the team around it. Your team — Product Owner, 1 Senior Engineer, 1 Junior Engineer, Automation QA, and Tax Manager. Explore our technology stack. What you’ll own As a Lead Developer, you'll set the technical direction for ...