Java Backend Engineer

Infoplus Technologies Uk Limited — Poland · Posted ~3 hours ago

Senior Visa History ✓

Skills

Java RESTful APIs Kafka Kubernetes Helm Cloud-native applications Distributed systems Security Code review Troubleshooting REST Cloud Microservices Ethereum

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Summary ✨ AI‑Generated

A backend engineering position for an experienced Java developer building reliable, scalable cloud-native applications. You will develop RESTful services and event-driven solutions, deploy workloads with Kubernetes and Helm, contribute to secure high-quality code, troubleshoot production issues, and mentor junior engineers. Exposure to blockchain and digital-asset technologies is also part of the role.

Highlights

Senior-level backend role centered on scalable cloud-native systems, event-driven architecture, Kubernetes, and modern engineering practices, with opportunities to mentor developers and work on emerging digital-asset technologies.

Description

Key Responsibilities Design and develop reliable, scalable cloud-native Java applications.Build RESTful services and Kafka-based event-driven solutions.Deploy and support applications on Kubernetes using Helm.Lead implementations and contribute to secure, high-quality code.Support the development team in diagnosing and resolving application issues.Mentor junior developers and provide code-review feedback.Contribute to blockchain and digital-asset solutions, particularly Ethereum-related projects.Collaborate with technology and business stakeholders in English.Essential Skills — Mandatory Java: At least 5 years of experience in Java.Cloud-Native Distributed Systems: Expertise in developing cloud-native applications for distributed systems using RESTful web services and Kafka-based event-driven architectures.Kubernetes and Helm: Hands-on experience with Kubernetes and Helm.Security: Strong attention to detail and security awareness.Technology Trends: Interest in cloud computing, DevOps practices, blockchain technologies, and digital assets.Communication: Excellent communication skills and the ability to interact effectively with colleagues in English.Preferred Skills — Good to Have Engineering Leadership: Ability to lead implementations, conduct code reviews, and mentor junior developers.Blockchain and DLT: Experience contributing to distributed-ledger projects, particularly Ethereum-based solutions.Digital Assets: Understanding of tokenization or digital-asset platforms.Spring Boot: Experience with Spring Boot and related Spring components.Data and Persistence: Experience with JPA or Hibernate, SQL, and relational databases.Automated Testing: Experience with JUnit, Mockito, and integration testing.