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Middle Backend Developer (Java) @ Absolutelvizion
  • Warsaw
Middle Backend Developer (Java) @ Absolutelvizion
Warszawa, Warsaw, Masovian Voivodeship, Polska
Absolutelvizion
15. 1. 2026
Informacje o stanowisku

Our Customer:

Our customer is a sell-side omnichannel advertising platform leveraging real-time mobile audiences and AI-driven technology to deliver large-scale, data-powered digital advertising campaigns. The platform works with thousands of mobile apps and websites worldwide, processing tens of billions of anonymized first-party data signals daily to help marketers understand consumer behavior, identify new opportunities, and drive business growth.



Required Experience and Skills:

  • Bachelor’s degree in Computer Science or equivalent.
  • 3+ years of professional Java development experience — must-have.
  • Experience with distributed systems and microservices (Docker, Kubernetes).
  • Strong knowledge of Spring & Spring Boot.
  • Understanding of scalability, concurrency, and performance optimization.
  • Experience with CI/CD pipelines and automated deployment.
  • Good communication and teamwork skills.
  • English — Upper-Intermediate.

Would Be a Plus:

  • Knowledge of programmatic advertising (DSPs, SSPs, ad exchanges).
  • Experience with NoSQL (MongoDB, Couchbase) and SQL databases.
  • Familiarity with reactive programming (Spring WebFlux).
  • Experience with monitoring tools (Prometheus, Grafana, Kibana).

Our Customer:

Our customer is a sell-side omnichannel advertising platform leveraging real-time mobile audiences and AI-driven technology to deliver large-scale, data-powered digital advertising campaigns. The platform works with thousands of mobile apps and websites worldwide, processing tens of billions of anonymized first-party data signals daily to help marketers understand consumer behavior, identify new opportunities, and drive business growth.


,[evelop and maintain scalable backend applications and APIs using Java v.21 and Spring Boot., Take ownership of features across the full development lifecycle — from requirements to production., Improve system scalability, performance, and reliability., Collaborate with Product, Algo, DevOps, BI, and Marketing teams., Ensure observability with logging, metrics, and alerting (Prometheus, Grafana, Kibana)., Follow engineering best practices, maintain code quality, and contribute to documentation., Participate in code reviews and knowledge sharing. Requirements: Java, Microservices, Docker, Kubernetes, Spring, Boot, CD pipelines, DSPs, AD, NoSQL, MongoDB, Couchbase Server, SQL, Prometheus, Grafana, Kibana

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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