824 java back end developer jobs in Kraków, Polska.

Role Purpose The End-to-End Systems Engineer is responsible for the technical integrity of the complete space mission, from spacecraft and payload through ground segment and operations. Responsibilities: Defining the overall system architecture of space systems and technical baseline. Translating customer and mission needs ...

• Hybrydowo
• Kontrakt

$2k USD

For our client, a leading technology infrastructure company, we are looking for a Junior Java Developer to help build mission-critical systems that power global data center operations. You will be part of developing innovative solutions that manage the entire lifecycle of data center infrastructure, from initial planning ...

• Hybrydowo
• Kontrakt

$2k USD

We are seeking a Senior Java Developer to join our team and take ownership of the development and maintenance of key business-critical components. In this role, you will contribute to backend engineering efforts, drive code quality, and collaborate closely with cross-functional teams in an Agile environment. This role offers ...

We are looking for an experienced Senior Java Fullstack Developer to join our team and be responsible for the development, integration, and maintenance of modern backend solutions. Responsibilities Design, develop, and maintain backend applications. Integrate systems and participate in migration projects. Create and develop ...

• Zdalnie
• Hybrydowo

16800 - 27300 zł

... seamless application maintenance and continuous improvement of code quality You're ideal for this role if you have: At least 3 years of experience as a FullStack DeveloperStrong background in Java 11+ (project currently runs on Java 17), JDK 8+, Hibernate, JUnit, Spring Framework (Boot, Batch, Security), and RESTful microservices ...

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Java Backend Developer (m/k) Miejsce pracy: Kraków Technologie, których używamy Wymagane - Java 21/25 - Spring Boot - PostgreSQL - Rest - Git - Linux - Jenkins - Gradle - Tomcat - CI/CD - mikroserwisy Mile widziane - Docker - Kubernetes - RedMine - https://jobeax.com/link/6WcBICn0LM558SP0 - AngujarJS - RabbitMQ ...

... exchanges, liquidity pools, brokers and price vendors. Currently this components exist in both Java and C++. The direction is to migrate all these components to Java. The successful candidate will likely have a C++ background that have moved over to Java or have an interest to over to Java. One of the main tasks will be to ...

• Hybrydowo

... massive and complex datasets. Or you may be somewhere in-between. Either way you are the kind of person we want to speak to. So, if you are an awesome Python developer, if you know about derivative risk; if you’re a Java or Scala developer who’d like an opportunity to learn some Python then we would love to hear from you. ...

• Hybrydowo
• Kontrakt

$2k USD

... 4 years of proven commercial experience in full-stack software developmentStrong expertise in https://jobeax.com/link/JSd7UYCSg572jJDY for building scalable back-end services and APIsExpert-level proficiency in JavaScript/TypeScript, with hands-on experience in React or Angular for front-end developmentPractical experience ...

Sii Poland is seeking an experienced SharePoint Front-end Developer to build and maintain the frontend layer of a Knowledge Base on SharePoint Online. You will design SPFx and React components, integrate with Microsoft 365 services and internal APIs, and collaborate with backend teams, analysts, and UX designers to deliver ...

... for the Calypso trading and risk platform, ensuring system stability, timely issue resolution, and effective collaboration with front office, middle office, back office, and technology teams. The role blends technical troubleshooting with functional understanding of trade lifecycle processes across asset classes. Responsibilities ...

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... Code: Learn to manage diverse data formats and write efficient, maintainable code that passes professional peer reviews. Don’t miss the opportunity to become a Java Developer – apply today! The Learning Roadmap Duration: 4 Months | Format: Remote/Hybrid | Commitment: 12–14 Hours/Week Self-Paced Core: High-quality modules ...

Motorola Solutions is seeking a skilled Back End Software Engineer to design and develop scalable, high-performance services powering our enterprise multimedia solutions. The role focuses on building distributed systems, APIs, and cloud-native services with reliability and scalability at the forefront. Responsibilities ...

• Hybrydowo
• Kontrakt

... depth in backend engineering. - Hands-on experience with microservices and micro-database architecture. - Experience with event-driven systems . - Expert in Java and Spring Framework (Boot/Data/REST/Security/Profiles). - Front-end experience with ReactJS and TypeScript (able to contribute meaningfully; backend-led). - ...

• Kontrakt

$2k USD

... integrationsHands-on experience operating high-load databases and tuning query performanceWorking knowledge of TypeScript and React with readiness to contribute across front end and back endPractical experience with GenAI engineering tools, ideally Claude CodeExcellent communication skills and a proactive mindset, able to collaborate ...

• Kontrakt

$2k USD

... integrationsHands-on experience operating high-load databases and tuning query performanceWorking knowledge of TypeScript and React with readiness to contribute across front end and back endPractical experience with GenAI engineering tools, ideally Claude CodeExcellent communication skills and a proactive mindset, able to collaborate ...

$2k USD

EPAM is seeking an experienced Java Software Engineer to join a dynamic engineering team working on mission-critical systems within the data center infrastructure planning domain. Our client is a major global technology leader investing heavily in next-generation data center development. The project focuses on building ...

• Zdalnie

... handle billions of requests daily, improving application efficiency and scalability. With a minimum of 8 years’ experience in software development, proficiency in Java, Scala, or Python, and expertise in Big Data systems, the role is pivotal in driving project requirements end-to-end. This position offers competitive pay, flexible ...

• Hybrydowo

$2k USD

We're looking for a Senior https://jobeax.com/link/JSd7UYCSg572jJDY Developer to join our team in Gdansk/Krakow, Poland, in a hybrid working mode (3 days from the office). In this role, you will contribute to the design and development of front-end solutions, microservices, and REST APIs, leveraging modern technologies ...

• Zdalnie
• Hybrydowo
• Stacjonarnie

140 - 160 zł / stawka godzinowa

... Actions, Docker, Kubernetes, Prometheus, Stackdriver Optional, Python, Bash, WireMock About the project, We are looking for a Senior Java QA Engineer with strong Java skills to join a team focused on backend application development and testing. The role involves testing RESTful APIs, gRPC services, and backend systems deployed ...