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Mindbox Sp. z o.o.

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Backend Engineer

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Summary

Backend Engineer at Mindbox (consulting/outsource) working on a client's next-generation payment processing platform, building the Future State Architecture payment engine. Day to day: Java/Spring Boot microservices, Kafka, Docker/Kubernetes, cloud and observability tooling. Hybrid role based in Kraków (2 days/week in office).

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

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?

#LI - Hybrid: 2x/week from the office in Kraków

What you get in return
  • 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
  • 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.

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.

Skills

See also

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