Fullstack Java Developer

Expected, Java, Spring Boot, PostgreSQL, Docker

Optional, Angular, Vue.js, React.js

About the project, We are looking for a Senior Software Engineer to join an internal engineering team at Kyotu Technology, working on advanced systems related to digital identity, document verification, and secure data processing., , The team builds and develops solutions used for validating document authenticity, processing structured data, and integrating complex systems in environments with high security requirements. These systems focus on reliability, data integrity, and secure communication between distributed services.

Your responsibilities, While Java is the core technology, we are looking for an engineer with a broad technological perspective, comfortable working across different languages, tools, and system components depending on project needs., , You will join a mature Agile team of senior-level specialists, where autonomy, ownership, and strong technical decision-making are expected and valued.

strong experience in Java backend development (5+y), hands-on knowledge of Spring Boot and modern backend frameworks, experience working with relational databases, preferably PostgreSQL, practical experience with Docker, experience with system integrations (REST and/or SOAP), ability to work across different technologies and system layers (backend-first, with openness to other areas), high level of adaptability and independence in a dynamic environment, strong sense of ownership, responsibility, and problem-solving mindset, good communication skills and team orientation, experience in building modern frontend applications (e.g. React, Angular, Vue), experience with desktop applications (e.g. JavaFX, Swing), familiarity with CI/CD pipelines, English at B2 level

Optional, German at B2 level, knowledge of additional programming languages

Team size, 40

This is how we work, in house, at the client's site, you focus on a single project at a time, you can change the project, you have influence on the choice of tools and technologies, you have influence on the technological solutions applied, you have influence on the product, you develop the code "from scratch", you focus on product development, agile, scrum

Team members, backend developer, frontend developer, fullstack developer, mobile developer, technical leader, devOps, automated test programmer, manual tester, project manager, scrum master, IT administrator

This is how we work on a project, Clean Code, code quality measures, code review, design patterns, static code analysis, DDD, architect / technical leader support, Continuous Deployment, DevOps, SysOps, team-level deployment, documentation, issue tracking tools, functional tests, integration tests, pen tests, performance tests, regression tests, test automation, testing environments, unit tests, manual tests

Development opportunities we offer, development budget, substantive support from technological leaders, technical knowledge exchange within the company, time for development of your ideas

What we offer, rate: 100 to 150 PLN + VAT/h, contract: B2B, long-term cooperation, work model: remote or hybrid (willingness to attend the office once a month), team: senior engineering team with real ownership, projects: technically challenging systems in the area of security, data processing, and system integrations

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of foreign language classes, sharing the costs of professional training & courses, remote work opportunities, flexible working time, integration events, no dress code

Recruitment stages, Meeting with HR Manager (30 minutes), Technical check (60 minutes), Decision

️ Note: , We’re currently building a talent pool for upcoming projects. If you’d like to be considered for future opportunities at Kyotu, send us your CV — we’ll reach out when a matching project becomes available.

KYOTU Technology sp. z o.o., Kyotu Technology is a boutique software house based in Wrocław and Warsaw, working fully remotely or in hybrid mode across Poland. We focus on long-term, high-quality engineering and building complex, production-grade systems with real business impact.

This is how we work,