Junior Java Developer w Poland, Kraków

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 and design to ongoing maintenance and optimization. As a Junior Developer, you will work alongside world-class engineers and architects to build scalable, high-performance platforms while learning cutting-edge technologies and gaining deep domain expertise in data center operations. This role offers a hybrid model, with 3 days per week working from the client's office in Wroclaw, Gdansk, or Krakow, Poland. Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Develop new features and enhance existing applications for data center management systemsRefine and optimize the existing codebase to improve readability, efficiency, and maintainabilityLearn project domain knowledge and master relevant technologies under the guidance of senior developersParticipate in the full software development lifecycle, from analysis and design through implementation and supportCommunicate directly with client stakeholders on a daily basis to understand requirements and provide updatesCollaborate with world-class engineers and architects to build scalable, high-performance platformsContribute to building solutions that enable external customers to develop next-generation applicationsWork effectively within a modern, self-governing engineering team environmentParticipate in code reviews and testing processes to ensure high-quality deliverablesSupport the troubleshooting and maintenance of production systems Requirements 1+ years of experience developing and integrating software through the full system implementation lifecycle1+ years of hands-on programming experience in JavaPractical experience with the analysis, design, implementation, build, test, and support phases of software developmentProficiency with the JUnit framework for writing and executing unit testsHands-on experience with Mockito for creating mocks within unit testsSolid understanding of SQL and working with relational database interactionsStrong self-management abilities and skill in prioritizing tasks effectivelyCapability to work independently while being an active part of a collaborative teamEagerness to learn new technologies and gain deep domain knowledgeStrong problem-solving skills with a keen attention to detailExcellent English communication skills with proven experience in client-facing interactions Nice to have Experience with Google Cloud Platform (GCP) services and cloud-native development practicesKnowledge of TypeScript for contributing to frontend development tasks We offer We gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.