[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Tata Consultancy Services jobs](https://jobs.opennash.com/companies/tata-consultancy-services/) · [Search jobs](/search/) Tata Consultancy Services · London # Java Architect London Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since. [Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/424538J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Java Architect ## Job description The Role Lead design and delivery of high-performance, resilient, and observable Java microservices in a multi-national team. Drive architecture, code quality, performance, and cross-team collaboration. ### Your responsibilities Architect & Deliver: Design and implement distributed, fault-tolerant Java services (microservices, APIs, event-driven systems) meeting performance, scalability and availability targets. ### Data Strategy Define data models and storage strategies across RDBMS and NoSQL systems; own indexing, partitioning, replication and recovery approaches. ### Caching & In‑Memory Design and operate caching and in‑memory solutions, select cache patterns (cache-aside, read-through, write-through), and size memory cubes for low-latency analytics. ### Messaging & Streaming Architect event-driven pipelines and streaming flows; enforce idempotency, ordering, and delivery semantics. ### Performance & Reliability Lead JVM and system tuning (GC, thread pools, connection pools), capacity planning and load-testing. ### Observability & SRE Practices Implement structured logging, metrics, distributed tracing, SLAs/SLOs and runbooks. ### Security & Compliance Ensure secure-by-design services, and support compliance requirements. ### CI/CD & Cloud Operations Drive CI/CD, containerisation, orchestration, and automated deployment patterns. ### Engineering Excellence Own code quality (ADRs, code reviews, static analysis), testing strategy, and mentor the team. ### Leadership & Collaboration Lead cross-functional initiatives, present technical roadmaps, and communicate clearly with stakeholders across regions.