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Opis oferty

Senior Java Engineer w Kraków, Polska

dotLinkers Sp. z o.o.

  • KontraktUmowa czasowa lub freelancing

28 000 zł

Kraków, Polska

Your responsibilities

  • Design and develop backend services for the new PAM platform
  • Build services covering player wallets, transactions, ledger, payment flows, bonuses and account management
  • Develop REST APIs and event-driven integrations
  • Work with Kafka, RabbitMQ or similar messaging technologies
  • Design solutions with strong transaction boundaries, idempotency and reliable failure handling
  • Work with relational databases, including schema design, transactions, locking and query performance
  • Write and maintain unit, integration and contract tests
  • Contribute to technical discussions, RFCs and code reviews
  • Instrument and operate the services you build using metrics, logging, tracing and alerting
  • Participate in production support and on-call activities when introduced
  • Support the migration from the existing third-party platform
  • Use AI-assisted development tools as part of your engineering workflow

Our requirements

  • 5+ years of professional backend engineering experience
  • Strong hands-on experience with Java 17+
  • Experience with Spring Boot or a similar modern Java framework
  • Solid experience working with transactional systems where data integrity is critical
  • Strong knowledge of PostgreSQL or another relational database
  • Experience with event-driven architecture and messaging, preferably Kafka or RabbitMQ
  • Good understanding of REST APIs
  • Experience with testing practices including unit, integration, and contract testing
  • Experience working with containers and CI/CD
  • Strong engineering ownership and ability to take responsibility for the solutions you build
  • Good written and spoken English

Optional

  • Experience with AWS
  • Experience with Kubernetes
  • Background in iGaming, sports betting, fintech or another regulated, high-transaction-volume environment
  • Experience with KYC/AML, responsible gaming or audit requirements
  • Experience with AI coding assistants or agentic development workflows
  • Polish and/or Spanish language skills

What we offer

  • B2B or permanent employment contract (UoP)
  • Approx. 28,000 PLN a month, depending on experience and expectations
  • Company-provided MacBook
  • Private medical care and benefits package
  • Budget for hardware, tools and professional development
  • Performance bonus
  • Periodic team gatherings
  • Optional access to the Kraków office
  • A greenfield project with no legacy codebase for the new PAM platform
  • The opportunity to be the first Java Engineer in Poland and have a real impact on the development of the new platform and local engineering team

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