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Adecco Linkedin · Posted 20d ago

Senior Full-Stack Engineer – Java/Azure

Poland

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Indexed description

Adecco is recruiting a Senior Full-Stack Engineer for a financial services organisation modernising a business-critical investment accounting platform.

The position focuses primarily on Java backend and platform engineering. You will build scalable services supporting high-volume accounting workflows, real-time and batch data processing, and integration with enterprise data platforms. You will also contribute to architecture decisions, mentor engineers and take ownership of services in production.


Responsibilities

  • Design, build, test and operate scalable Java and API-driven services.
  • Develop multi-tenant capabilities for real-time and batch data ingestion.
  • Modernise legacy functions into cloud-ready, API-first services.
  • Work with SQL and/or NoSQL databases and enterprise data platforms.
  • Improve reliability, observability, auditability and operational controls.
  • Lead design discussions and support architecture decisions.
  • Conduct code reviews and mentor other engineers.
  • Take ownership from implementation through deployment and production support.
  • Collaborate with product, operations, architecture and distributed engineering teams.


Required experience

  • 7+ years building large-scale distributed software systems.
  • Strong hands-on Java and backend API development.
  • Experience with production-grade service design, testing, deployment and support.
  • SQL and/or NoSQL database experience.
  • Cloud or hybrid-platform experience.
  • CI/CD, DevOps practices and automated testing.
  • Strong technical communication and mentoring skills.
  • Computer Science degree or equivalent practical experience.


Preferred experience

  • Microsoft Azure and on-premises platforms.
  • Financial services, investment accounting or transaction-processing systems.
  • Oracle, Snowflake, Python, TypeScript, Angular, Kafka or Spark.
  • Legacy platform modernisation.
  • AI-assisted software development tools.


Location: Wrocław

Contract: B2B

Duration: until 31 August 2027


The selection process takes place via Microsoft Teams and includes a 45-minute coding exercise and a 45-minute interview.

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