Java Developer (Backbase)

For over 20 years, we have been delivering modern technology solutions for leading financial institutions in Poland and abroad, combining a business-oriented approach with high standards: we hold ISO certifications and work in compliance with DORA, GDPR and industry regulations. Additionally, we use AI not only to increase efficiency, but also to build new competencies and develop modern ways of working.

We are looking for a Backbase Java Developer to support the delivery of projects based on the Backbase platform for international clients in the financial sector. If you value modern technologies and high-quality code, we encourage you to apply.

In this position you will:

  • develop and maintain backend components of the Backbase platform,
  • design, implement, and enhance services and microservices using Java and Spring Boot,
  • create and integrate REST APIs with internal and external systems,
  • deliver integrations with banking systems in accordance with business and technical requirements,
  • configure and develop solutions related to Backbase Identity, authorization, and user access management,
  • participate in the design of solution architectures based on the Backbase platform,
  • support application deployment processes in environments based on Docker, Kubernetes, or OpenShift,
  • monitor application performance and diagnose and resolve issues occurring in test and production environments,
  • collaborate with analysts, architects, frontend teams, and business stakeholders,
  • participate in code reviews and ensure the quality, performance, and security of delivered solutions,
  • prepare technical documentation and support the development of software engineering best practices within the team,
  • actively contribute to the development and optimization of digital banking solutions built on the Backbase platform.

We are looking for you, if you:

  • have at least 4 years of commercial experience in Java development,
  • have a minimum of 1 year of hands-on experience working on projects based on the Backbase platform,
  • have participated in at least one implementation or enhancement of a production Backbase solution,
  • have very good knowledge of Java, Spring Boot, and Maven,
  • have experience in designing, developing, and integrating REST APIs,
  • have a solid understanding of microservices architecture and experience working in a microservices-based environment,
  • have experience with Backbase Identity and authorization, permissions, and entitlements mechanisms,
  • are familiar with OAuth 2.0, OpenID Connect, and JWT standards,
  • have worked with containerization and orchestration technologies such as Docker, Kubernetes, or OpenShift,
  • have experience integrating applications with banking systems,
  • can analyze application logs, diagnose integration issues, and resolve problems occurring in production environments,
  • have very good English communication skills (minimum B2 level).

Nice to have:

  • Get Backbase Certified – Backend certification,
  • experience working on projects in the banking sector,
  • experience using AI tools to support software development, documentation creation, and related activities,
  • experience building modern user interfaces powered by large language models (LLMs).

We offer:

  • Stable employment conditions,
  • 20 paid learning days per year dedicated exclusively to professional development,
  • A well-developed learning ecosystem, including guilds, educational projects, and internal knowledge-sharing initiatives,
  • A collaborative, non-corporate culture with a partnership-based approach,
  • Private healthcare,
  • Multisport card,
  • Language learning subsidy,
  • Life insurance,
  • Access to a mental health and wellbeing support platform,
  • Flexible working hours and the possibility of remote work,
  • A conveniently located office for those who prefer on-site or hybrid work,
  • A paid Employee Referral Program.
ID: 570 job_post.published_on: 22/07/2026
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