6,525 java back end developer jobs in Polska.

A digital bank is seeking a Java Developer to work on transformational projects within their Banking as a Service model. You will design and implement scalable applications while collaborating with a team. The role involves code reviews, troubleshooting, and mentoring less experienced members. Ideal candidates should have ...

• Kontrakt

$2k USD

... Calypso Developers to join high-profile transformation and implementation programmes within global capital markets environments. Calypso is a large-scale, front-to-back trading platform supporting trading, risk management and post-trade processing across asset classes, built on a robust Java-based architecture. This is an opportunity ...

• Kontrakt

$2k USD

... Calypso Developers to join high-profile transformation and implementation programmes within global capital markets environments. Calypso is a large-scale, front-to-back trading platform supporting trading, risk management and post-trade processing across asset classes, built on a robust Java-based architecture. This is an opportunity ...

• Zdalnie
• Hybrydowo

... 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 ...

• Zdalnie
• Kontrakt

2k zł PLN

... have the opportunity to shape solutions, mentor others, drive architecture decisions, and take ownership of strategic initiatives. Opportunity Overview As a Mid Java Engineer, you will design, build, and maintain backend services and cloud-hosted applications on Microsoft Azure. You'll work closely with cross-functional teams ...

• Kontrakt

$2k USD

... technologies such as React or AngularCollaborate with Product Managers, Designers, and other Engineers to define application requirements and architecture across front-end and back-end layersOversee deployment, integration, and monitoring of software on cloud platforms such as Microsoft Azure, AWS, or Google Cloud PlatformImplement ...

• Kontrakt

$2k USD

... technologies such as React or AngularCollaborate with Product Managers, Designers, and other Engineers to define application requirements and architecture across front-end and back-end layersOversee deployment, integration, and monitoring of software on cloud platforms such as Microsoft Azure, AWS, or Google Cloud PlatformImplement ...

• Zdalnie

A leading company specializes in developing cloud-based solutions for online grocery businesses, seeking a skilled developer proficient in Java and Python. The candidate will engage in various responsibilities, including software and data design, requirements analysis, and deployment of production-ready code while benefiting ...

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 ...

• Zdalnie
• Hybrydowo
• Stacjonarnie
• Kontrakt

... (extension intended) Working Model: Hybrid – 3 days onsite / 2 days WFH Start: Immediate or up to 1 month notice preferred THE ROLE We’re looking for hands-on Java Backend Developers to build and support scalable, production-grade backend services within a modern engineering environment. TECH STACK - Java, Spring Boot - ...

• Hybrydowo

Britenet in Warsaw is seeking an experienced Java Developer to join a team delivering highly complex solutions. You will design and implement scalable Kotlin-based features and distributed components, with ownership of quality, observability, and technical debt. The role involves integrating AI capabilities with LLMs and ...

• 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 ...

• 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 ...

• Zdalnie

Sii Poland is seeking a Senior Fullstack Developer for a banking project. You will join an Agile team to design and implement backend and frontend features, including dashboards and workflows for corporate banking solutions. The role requires Java, Spring, Hibernate, Angular, TypeScript, HTML and CSS; building RESTful microservices; ...

• Zdalnie
• Hybrydowo
• Kontrakt

420k

... debugging and troubleshooting applications with Pega Diagnostics Cloud; good command of SQL; good agile teamwork skills; good command of English. NICE TO HAVE: Java or JavaScript skills; good command of German. WHAT YOU'LL LOVE ABOUT WORKING HERE: Practical benefits: permanent employment contract from the first day; hybrid, ...

• 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 ...

• Zdalnie
• Kontrakt

... jest dla Ciebie. Aplikuj już teraz i miej realny wpływ na kierunek rozwoju naszych systemów. Wymagania - Projektowanie i wdrażanie aplikacji napisanych w języku Java. Tworzenie i wdrażanie aplikacje wykorzystujące modele Machine Learning oraz duże modele językowe (LLM). Rozwijanie narzędzi wspierających pracę zespołów DevSecOps, ...

• Zdalnie

O nas: W KAMSOFT tworzymy systemy informatyczne oraz oprogramowanie, z których każdego dnia korzystają miliony użytkowników: od pacjentów, lekarzy i farmaceutów, aż po sieci szpitali i największe firmy farmaceutyczne. Jesteśmy także wiodącym dostawcą w dziedzinie e-zdrowia.