Backend Engineer

Expected, Java, Kafka, Docker, Kubernetes, Grafana, Prometheus, Jaeger

Operating system, Windows

About the project, Are you passionate about shaping cutting-edge architecture and delivering innovative solutions? We’re looking for a Backend Engineer to join our client’s team and be part of a transformative journey towards next-generation payment capabilities., , You will play a critical role in delivering Future State Architecture (FSA) for payment processing, introducing a lean and reusable payment processing engine. This engine will become the core of future payment capabilities, providing high-speed, cost-effective, and high-quality product delivery., , Sounds like your kind of challenge?

This is how we work, agile

Your responsibilities, Deliver engineering expertise for Future State Architecture and create best-in-class payment processing capabilities., Produce high-quality code artifacts, ensuring quality gates are met and robust testing is included., Design and develop highly available and resilient software in a distributed environment., Partner with DevOps teams to implement automated infrastructure delivery, CI/CD pipelines, and DevSecOps practices., Provide technical solutions to complex problems, perform feasibility studies, and deliver architecture guidance in alignment with global standards., Stay current on emerging technologies and compliance requirements, including cybersecurity and data privacy regulations., Note: Detailed project information will be shared during the recruitment process.

8+ years of applied experience as an API engineer with solid understanding of architectural design (gap analysis, data models, etc.)., Strong engineering background in back-end microservices development, application security, authentication, caching, and middleware., Advanced programming skills in Java (Go and Rust are a plus). Familiarity with Spring Boot and distributed systems design., Knowledge of Kafka, Docker, Kubernetes, and experience with observability tools (Grafana, Prometheus, Jaeger)., Expertise in cloud environments, networking, identity and access management, and DevOps methodologies., Experience working in financial institutions, preferably in payment systems., Strong leadership abilities to mentor and inspire the team, coupled with critical thinking and problem-solving skills., Excellent English communication skills, both written and verbal., Bachelor’s degree in Computer Science, Engineering or related field.

What we offer, Flexible cooperation model, Hybrid work setup – 2x/week from the office in Kraków, Collaborative team culture – work alongside experienced professionals eager to share knowledge, Continuous development – access to training platforms and growth opportunities, Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more, High quality equipment – laptop and essential software provided

This is how we work on a project, Clean Code, code review, Continuous Deployment, Continuous Integration

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, life insurance

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Mindbox Sp. z o.o., At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe., Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.