Java Software Engineer (m/f/n)

Join a team that builds technology used by millions We are looking for a Java Software Engineer who wants to make a real impact on product development, contribute to system architecture, and build scalable solutions in a global environment. Someone who wants to learn and grow — and we can provide exactly that. Your responsibilities • Design, develop and maintain backend applications and microservices. • Deliver new features and enhance existing systems. • Deploy software to production environments and ensure reliability. • Improve application performance, security and scalability. • Collaborate closely with engineers, analysts, designers and Product Managers. • Participate in code reviews and continuous improvement initiatives. • Troubleshoot and resolve technical issues. • Create and maintain technical documentation. • Share knowledge and support team development. What we're looking for • Around 5 years of commercial software development experience. • Strong Java development experience. • Hands-on experience with microservices architecture. • Practical knowledge of Apache Kafka and REST APIs. • Experience with Docker and Kubernetes. • Experience working with cloud platforms (GCP or equivalent). • Knowledge of Git, Maven/Gradle, Jira, Confluence and CI/CD practices. • Ownership mindset and ability to deliver high-quality solutions independently. • Experience working in Agile/Scrum environments. • Bachelor's degree in Computer Science or a related field. • English proficiency at B2/C1 level or higher. What will help you succeed • Strong focus on quality and results. • Excellent collaboration and communication skills. • Analytical mindset and problem-solving abilities. • Passion for continuous improvement and innovation. What we offer • A product that has already been released to millions of users, with a real business case, not a lab pilot. • Direct access to frontier models at committed capacity across multiple providers, plus an open-source track we run ourselves. • A quality mandate with executive attention. • Ownership of a platform that is greenfield in practice inside a company with production traffic, which is the rarest combination in this market. • Hybrid working from Warsaw or Kraków, in a team growing fast enough that early hires shape how it works. • Fulfilling careers with a  range of benefits  for people and investing in providing  training opportunities  for their development.  • You will feel a part of the InPost community that makes an impact on sustainability, convenient deliveries, and the circular economy every day.  • Excellent working environment and flexible hours • We offer B2B type of contract