JustJoin.IT Hybrydowo Senior New

Senior Backend Engineer

Inuits

⚲ Warszawa

26 000 - 30 000 PLN netto (B2B)

Wymagania

  • Java
  • Kotlin
  • SQL
  • Docker
  • Kubernetes
  • CI/CD
  • AWS

Opis stanowiska

We are looking for a Senior Backend Engineer to join a fast-growing product organization working on consumer-facing platforms and internal data systems. This role is suited for an experienced backend engineer who is comfortable building scalable, reliable services across different domains, from customer-facing journeys to data privacy and compliance infrastructure. About the Project: You will contribute to backend systems that power core customer experiences and internal platform initiatives. Depending on the team, this includes scaling a menu and personalization platform for high-traffic consumer applications, or building a centralized Data Privacy Service handling regulatory compliance (GDPR, CCPA) and Data Subject Requests at scale. Both streams require strong engineering fundamentals, a microservices mindset, and the ability to deliver in complex, distributed environments.Responsibilities: • Design, develop, and maintain scalable backend microservices across consumer or data platform domains; • Build systems supporting search, personalization, customer targeting, and engagement; • Develop and operate services ensuring regulatory compliance and secure data handling (GDPR, CCPA); • Work with event-driven architectures and distributed systems; • Contribute to CI/CD pipelines, testing practices, and overall engineering quality; • Collaborate with product and engineering teams to deliver reliable and performant solutions. Qualifications: • Strong commercial experience with JVM-based languages (Java, Scala, or similar); • Experience with Kotlin, or willingness to learn it on the project; • Solid understanding of microservices architecture and event-driven systems; • Experience with Docker and Kubernetes; • Hands-on CI/CD experience in a production environment; • Experience with unit and integration testing; • Familiarity with relational databases (e.g. PostgreSQL) and SQL; • AWS and Terraform experience is a plus; • Experience with Elasticsearch, MongoDB, or GraphQL is a plus; • Go or Python knowledge is a nice to have; • Background in e-commerce, subscription platforms, or data privacy systems is a plus. Recruitment Process: • Initial interview with our recruitment team; • Interview with the hiring manager; • Live Coding Assessment; • Meeting with the Project Manager. Inuits Sp. z o.o. is registered in the National Register of Employment Agencies (KRAZ) under number 35420.