Job Title: Java Developer About Us “Capco, a Wipro company, is a global technology and management consulting firm. Awarded with Consultancy of the year in the  British Bank Award and has been ranked Top 100 Best Companies for Women in India 2022 by Avtar & Seramount. With our presence across 32 cities across globe, we support 100+ clients across banking, financial and Energy sectors. We are recognized for our deep transformation execution and delivery.  WHY JOIN CAPCO? You will work on engaging projects with the largest international and local banks, insurance companies, payment service providers and other key players in the industry. The projects that will transform the financial services industry. MAKE AN IMPACT Innovative thinking, delivery excellence and thought leadership to help our clients transform their business. Together with our clients and industry partners, we deliver disruptive work that is changing energy and financial services. #BEYOURSELFATWORK Capco has a tolerant, open culture that values diversity, inclusivity, and creativity. CAREER ADVANCEMENT With no forced hierarchy at Capco, everyone has the opportunity to grow as we grow, taking their career into their own hands. DIVERSITY & INCLUSION We believe that diversity of people and perspective gives us a competitive advantage. MAKE AN IMPACT Role: Java Developer location: Pune & Bangalore Exp: 8-10 Years Must-have (non negotiables) • Core Java: Strong Java (ideally Java 11+ / 17), OOP, collections, concurrency basics, JVM fundamentals. • Spring ecosystem: Spring Boot, Spring MVC, Spring Data; building RESTful services; validation and error handling. • API design: REST standards, versioning, idempotency, pagination, OpenAPI/Swagger. • Testing discipline: JUnit 5, Mockito; integration testing; test pyramid understanding; ability to write maintainable tests. • Build & dependency management: Maven/Gradle; managing dependencies safely (incl. avoiding vulnerable libraries). • Data layer: SQL fundamentals; experience with one RDBMS (e.g., Oracle/Postgres); transaction handling; performance basics. • Security basics: OAuth2/OIDC concepts, JWT, secure coding (OWASP Top 10), input validation, secrets handling. • Performance & troubleshooting: Profiling basics, log-driven debugging, understanding latency/throughput trade-offs. • Git + code quality: Code reviews, clean code, static analysis (Sonar-style), refactoring. • Delivery mindset: Works with DevSecOps/QA, understands CI/CD, and can support production issues responsibly. • Payments Backgroud, basic understanding of the payments flows   Good-to-have (differentiators) • Microservices patterns: Resilience (timeouts/retries/circuit breakers), distributed tracing, eventual consistency. • Messaging/streaming: Kafka/RabbitMQ; event-driven design; exactly-once/at-least-once trade-offs. • Reactive programming: WebFlux/Reactor (where relevant). • Caching: Redis/Hazelcast; cache invalidation strategies. • NoSQL exposure: MongoDB/Cassandra (if the domain needs it). • Cloud-native: 12-factor apps, containerisation, Kubernetes basics, cloud managed services. • Domain-driven design: DDD, hexagonal architecture, CQRS (when appropriate). • Observability: Structured logging, metrics, tracing; correlation IDs. • Security depth: mTLS, certificate handling, secure API-to-API auth, threat modelling participation.