36 Java Backend Jobs in Warsaw, Poland

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• Strong hands-on experience with Java Hands-on experience with C Have experience with CI/CD, clouds, Linux & networking.
• Work with cloud environments (GCP preferred).

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• Own and develop core components for the Prime Brokerage platform using Java/Kotlin.
• Experience in any number of additional technologies (listed below) is advantageous: Kotlin Cloud Technologies (Kubernetes, Open Shift) Mess…

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• Technical Experience: Java & Test-Driven Development are essential.
• Actively develop and deliver components for the Core Prime Brokerage platform using Java/Kotlin.

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• The role involves designing and developing scalable backend solutions using Java 21 and Spring Boot , working within a microservices…
• The ideal candidate brings hands-on experience with REST API development, cloud environments ( AWS ), and modern DevOps practices, and…

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• Technology stack: Gradle, Java 21+, Spring, k8s, RabbitMQ, Service-oriented infrastructure, AWS and GCP cloud platforms.

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• Strong hands-on experience with Java and Spring Framework (Spring Boot, Spring Data).
• Work on high-performing, scalable, resilient web-based applications and services.

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• Strong knowledge of Java 17/21 and modern backend development practices.
• Senior Java Developer - NATEK Careers - NATEK Work IT with us IT Solutions Services SOFTWARE DEVELOPMENT QA SERVICENOW RPA…

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• Senior Java Engineer We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, wo…
• Proficient in Mongo, Spring and microservice-based architecture.

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• Lead / Senior Java Developer Job Details | Standard Chartered Bank Creating a better online experience with cookies.
• Key Responsibilities As a Lead Java Developer/Senior Java Developer , you’ll be joining a distributed team responsible for driving forwards…

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• What you’ll own Develop, maintain, and optimize business applications and application architecture Design and propose technical and archite…
• Version 9, preferably 17) and Spring/J2EE SQL/PL/SQL and microservice architecture Understanding of UML, design patterns, and software arch…

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• Then bring your skills in analysis, design and development to Citi’s next generation Risk Management Platform development team.
• Team/Role Overview You will be part of Citi’s global tech team which is developing next generation Risk Management platform.

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• What you will need: 2+ years experience with end-to-end systems development life cycles and standards.
• This will involve developing core versions of software applications, identifying client requirements and technical specifications, interact…

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• As we continue to grow our entity in Poland, we are looking for a Senior Java Backend Developer who will…
• Your future scope of responsibility will cover:Developing code by applying Software Craftsmanship best practices and quality standards (tec…

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• Join our innovative team at Webfleet Solutions as a Senior Software Engineer, specializing in Java backend/Spring Framework, Cloud DevOps t…
• Proven professional experience in software development with a strong focus on Java.

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• Join our innovative team at Webfleet Solutions as a Senior Software Engineer, specializing in Java backend/Spring Framework, Cloud DevOps t…
• Proven professional experience in software development with a strong focus on Java.

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• We are looking for people who: Are Polyglots at Heart: Have a strong background coding in Kotlin (and backend architectures)…
• With a strong background in Kotlin and Spring, you will enjoy significant autonomy and the opportunity to share your knowledge…

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• We are looking for a Senior Java Developer who thrives with building and maintaining integrations and wants be part of…
• YOUR ROLE As a Senior Java Developer , you will design, develop, and maintain integrations and tailor-made tooling that complement…

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• Act as subject matter expert for API Platform and services to support customer integrations on occasion All About You Strong…
• Title and Summary Lead Software Engineer - Java Overview Mastercard Developers ( is the single gateway for Mastercard partners to…

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• Have strong motivation to design and build scalable , reliable, and maintainable systems Have strong data-driven mindset with high digital…
• We are looking for you if You: Have strong Java programming skills with experience designing and developing microservices-based application…

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• Excellent communication skills in English (C1) Nice‑to‑Have: Front‑end development experience with HTML, JavaScript/TypeScript, React, Redu…
• Senior C# Developer Responsibilities: Design, develop, and evolve high‑performance C#/.NET services that power XVA, liquidity and cash‑fore…

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• Key Responsabilities: Develop software ensuring security, scalability, and high performance Document software, document processes and proce…
• Git / GitHub for source control management and code collaboration Designing and implementing RESTful APIs Solid understanding of design pat…

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• The Role We are looking for a skilled PHP Developer to join our engineering team in Warsaw (hybrid) and help…
• You will design, develop, test, and maintain the web applications and services our customers and cleaning teams rely on every…

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• You will work as part of a global engineering team on a high-performance, real-time platform, contributing to the development and…
• Your tasks Develop new features for the platform Work closely with product owners and traders to understand business requirements Automate…

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• Strong programming skills and experience in languages such as Java, Python, Spring Boot, REST, SOAP, Camel.
• Work closely with other developers, architects, and product teams to deliver end-to-end solutions.

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• Your Profile as .NET Fullstack Software Developer (m/f/d): Computer Science degree or equivalent, with min 3 years of software development…
• What you can look forward to as .NET Fullstack Software Developer (m/f/d): Design and develop robust, high-quality sustainable code for…