> Markdown version of [/jobs/ext/1495615-java-engineer](https://www.wearedevelopers.com/jobs/ext/1495615-java-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Engineer - **Company:** Response Informatics - **Location:** Belfast, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Applications Architecture, User Authentication, Microsoft Azure, Cloud Computing, Cloud Engineering, Configuration Management, Profiling, Linux, Disaster Recovery, Distributed Systems, Fault Tolerance, Key Management, Load Testing, Networking Basics, OAuth, Performance Tuning, Prometheus, Management of Software Versions, Data Logging, Grafana, Concurrency, Caching, Backend, Rate Limiting, Cloudformation, Kubernetes, Infrastructure Automation Frameworks, Low Latency, Api Design, Restful APIs, Terraform, Grpc, Serverless Computing, Golang, Microservices - **Published:** July 30, 2026 - **Apply:** https://www.totaljobs.com/job/java-engineer/response-informatics-job107619959 ## About the Role * Strong professional experience as a senior software engineer building and operating backend services or APIs in production environments. * Hands-on experience designing, developing, and delivering APIs using Java, Go, or both. * Strong understanding of cloud-native application architecture, including containerized services, service-to-service communication, configuration management, observability, and resilience patterns. * Experience delivering production services deployed on Kubernetes. * Experience building highly available, scalable, and reliable distributed systems. * Strong knowledge of API design principles, including REST, gRPC, versioning, authentication, authorization, error handling, and backward compatibility. * Experience with microservices architectures and the operational challenges of running services at scale. * Solid understanding of concurrency, performance optimization, caching, rate limiting, retries, timeouts, and fault tolerance. * Experience working with public cloud platforms such as AWS, GCP, or Azure. * Experience with CI/CD pipelines and modern software delivery practices. * Strong understanding of Linux, containers, networking fundamentals, and cloud infrastructure concepts. * Experience with production monitoring, logging, tracing, alerting, and incident response. * Ability to lead technical design discussions, make pragmatic architecture decisions, and mentor other engineers. * Strong ownership mindset with a focus on reliability, maintainability, and operational excellence. Nice to Have * Experience building large-scale platform services, developer platforms, infrastructure platforms, or internal service platforms. * Experience operating mission-critical services with strict availability, latency, or throughput requirements. * Experience with Kubernetes-native patterns such as Helm, Operators, Custom Resource Definitions, or GitOps workflows. * Experience with distributed systems, stateful services, or high-volume transactional platforms. * Experience with cloud-native observability tools such as Prometheus, Grafana, OpenTelemetry, ELK/OpenSearch, or similar. * Experience implementing security best practices for APIs and cloud-native services, including OAuth2, mTLS, secrets management patterns. * Experience with infrastructure as code tools such as Terraform, CloudFormation etc. * Experience improving platform reliability through SLOs, error budgets, capacity planning, load testing, chaos testing, or disaster recovery planning. * Experience contributing to architecture standards, engineering best practices, reusable service frameworks, or shared platform components. * Experience with performance profiling and optimization for Java or Go services. ## Related Videos - [Exploring the Power of gRPC-Gateway for Writing RESTful Services](https://www.wearedevelopers.com/videos/2072-exploring-the-power-of-grpc-gateway-for-writing-restful-services) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Effective Java Strategies and Architectures for Clouds](https://www.wearedevelopers.com/videos/186-effective-java-strategies-and-architectures-for-clouds) - [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1964-boosting-opensearch-performance-grpc-search-in-action) - [Kubernetes Native Java](https://www.wearedevelopers.com/videos/383-kubernetes-native-java) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)