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Senior Backend Engineer – Cloud Native & Telecoms

Senior Backend Engineer – Cloud Native & Telecoms

ZinkworksAthlone, County Westmeath, IE
18 days ago
Job type
  • Quick Apply
Job description

Zinkworks is a trusted partner to Telecoms and Financial Services organizations around the world. We help modernize legacy systems, move mission-critical systems into the cloud, and exploit the power of AI-driven automation. Our people thrive in technically complex environments where our commitment to quality and our expertise in software innovation and cutting-edge technologies helps our clients prepare for the future, accelerate growth and improve operational efficiency. We build long-lasting relationships with our customers to accompany them through their innovation journey.

About Zinkworks

Zinkworks is a global leader in innovation, headquartered in Athlone, Ireland, with three offices locations worldwide. We utilise the latest cutting-edge technologies to bring industry-leading expertise to our Telecommunication and Financial services clients. We are adept at developing custom innovations that streamline our clients’ workflows and improve operational efficiency. With a commitment to quality and customer satisfaction, we have earned a reputation as a trusted partner for businesses seeking reliable software services.

What we are looking for

We are looking for a Senior Backend Java Engineer to join our engineering team. This role is critical to designing and building scalable backend services that power AI / ML-driven rApps, KPI management, and large-scale ETL data pipelines. You’ll work in an agile team, contributing to architecture decisions, writing high-quality code, and ensuring robust delivery through automation and testing.

Key Responsibilities

  • Design & Development : Build, enhance, and maintain scalable microservices in Java (Spring Boot).
  • Data Pipelines & APIs : Implement REST APIs and event-driven services (Kafka / PubSub) to support high-throughput CM / PM ETL pipelines and KPI jobs.
  • rApp Enablement : Develop backend services to support rApp design, training, deployment, and lifecycle management.
  • Performance & Reliability : Optimise services for scalability, latency, and fault tolerance.
  • Collaboration : Work closely with frontend engineers, data engineers, and AI / ML specialists to deliver end-to-end features.
  • Automation & Quality : Ensure code quality with automated tests, CI / CD pipelines, and static analysis tools.
  • Architecture : Contribute to system design, state management, caching, and validation frameworks.
  • Mentorship : Guide junior engineers and promote engineering best practices.

Required Skills & Experience

Must-Have :

  • Strong experience with Java, Spring Boot, and microservices architecture.
  • Proven experience with Google Cloud Platform (GCP), including Pub / Sub, GCS, and BigQuery.
  • Background in telecommunications / ORAN / KPI systems, familiarity with network data (CM / PM) and performance monitoring.
  • Strong understanding of REST APIs, event-driven systems (Kafka / PubSub), and asynchronous communication patterns.
  • Hands-on experience with SQL / NoSQL databases (e.g., Spanner, Firestore, PostgreSQL).
  • Experience with CI / CD pipelines, automated testing (unit, integration, E2E, Karate).
  • Solid knowledge of containerization and orchestration (Docker, Kubernetes).
  • Experience with caching frameworks (Redis, Guava, or equivalent).
  • Excellent debugging, profiling, and performance optimisation skills.
  • Strong problem-solving, communication, and teamwork skills.

    • Nice-to-Have Skills

  • Exposure to AI / ML workflows and model integration.

    • What We Offer

  • A key role in a company that’s a trailblazer in the telecom sector, offering significant opportunities for growth and leadership in marketing.
  • The chance to work with a team of forward-thinking professionals committed to establishing Zinkworks' position at the forefront of telecom innovations.
  • Competitive compensation, including health benefits, retirement plans, and performance incentives.
  • An inclusive culture that fosters innovation, collaboration, and excellence.
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    Cloud Engineer • Athlone, County Westmeath, IE