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Java Software Engineer Poland, Warsaw Jobs

5 Job Offers

Regular Software Developer / Implementation Engineer (Java)
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Join a long-term team developing Cytric Expense, a critical enterprise expense management system. As a Regular Software Developer / Implementation Engineer, you’ll design scalable backend solutions in Java and Spring Boot while handling customer configurations in a SAFe/Agile environment. Based i...
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Poland , Warsaw
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Not provided
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Astek
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Until further notice
Lead Java Software Engineer - Prime Finance Risk & Business Intelligence
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Poland , Warsaw
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268390.00 - 457010.00 PLN / Year
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Citi
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Until further notice
Senior Software Engineer - Java
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Join our Warsaw team as a Senior Java Engineer. Design and build scalable, API-driven backend services using Spring Boot. You will own complex, CRUD-based systems end-to-end in a production environment. We seek 5-7 years of Java expertise with Docker/Kubernetes exposure.
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Poland , Warsaw
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Not provided
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Mastercard
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Until further notice
Lead Software Engineer - Java
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Lead Java Engineer role in Warsaw, developing Mastercard's global API platform. Design and build scalable, cloud-native backend systems using Java/Kotlin and SpringBoot. Drive architecture, mentor engineers, and ensure excellence in a customer-obsessed team. Experience with PCF is a plus.
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Poland , Warsaw
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Not provided
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Mastercard
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Until further notice
Software Engineer II - Java
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Join Mastercard in Warsaw as a Software Engineer II - Java. Develop Spring Boot services and RESTful APIs for Commerce Media's platform. Utilize AI coding tools to accelerate delivery and enhance code quality. Requires 3-5 years of Java backend experience.
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Poland , Warsaw
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Not provided
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Mastercard
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Until further notice

About the Java Software Engineer role

Explore the dynamic and in-demand field of Java Software Engineer jobs, where professionals build the robust, scalable applications that power the modern digital world. A Java Software Engineer is a specialist in using the Java programming language and its vast ecosystem to design, develop, test, and maintain software solutions. This role is fundamental across virtually every industry, from finance and e-commerce to healthcare and technology, making it one of the most versatile and sought-after careers in tech.

Professionals in these roles are typically responsible for the entire software development lifecycle. This begins with analyzing user requirements and translating them into technical specifications. They then design the application's architecture, write clean, efficient, and well-documented code, and perform rigorous unit testing to ensure functionality. A key part of their work involves debugging and troubleshooting issues, as well as maintaining and updating existing systems to improve performance, add new features, or enhance security. In many Java Software Engineer jobs, individuals collaborate closely with cross-functional teams, including product managers, quality assurance engineers, UX/UI designers, and other developers, often within an Agile or Scrum framework. For senior or lead positions, responsibilities expand to include providing technical leadership, mentoring junior engineers, making critical architectural decisions, and driving platform modernization initiatives, such as migrating monolithic applications to microservices architectures.

The typical skill set for a Java Software Engineer is both deep and broad. A strong foundation in core Java is paramount, complemented by expertise in popular frameworks and technologies that form the Java ecosystem. These commonly include the Spring Framework (especially Spring Boot for creating stand-alone applications), Hibernate for object-relational mapping, and Maven or Gradle for project build automation. Experience with web services, particularly RESTful APIs, is a standard requirement. As cloud-native development becomes the norm, familiarity with cloud platforms like AWS, Azure, or Google Cloud, along with containerization tools like Docker and orchestration systems like Kubernetes, is increasingly valuable. Understanding software development methodologies, version control with Git, and continuous integration/continuous deployment (CI/CD) pipelines are also essential practices. For many Java Software Engineer jobs, experience with relational and NoSQL databases, messaging systems like JMS or Kafka, and front-end technologies is a significant advantage. Beyond technical prowess, successful candidates possess strong problem-solving abilities, excellent communication skills, and the capacity to work both independently and as part of a team.

A bachelor's degree in computer science, software engineering, or a related field is a common educational requirement, though equivalent practical experience is often considered. The career path for a Java Software Engineer is progressive, offering opportunities to advance from entry-level developer to senior engineer, tech lead, software architect, and beyond. If you are passionate about building high-performance, enterprise-grade applications and have a knack for problem-solving, exploring Java Software Engineer jobs could be the perfect next step in your career.