**Business / Organization Overview** We are looking for a high-caliber **Senior Java Technical Lead / Architect (C13)** to spearhead the architecture, engineering strategy, and technical delivery of enterprise-scale distributed platforms. In this strategic technical leadership position, you will govern large-scale engineering initiatives, drive cloud-native modernization, set foundational architecture patterns, and mentor multiple agile engineering squads across globally distributed teams. **Role Summary** At the **C13 grade** , you will operate as a subject matter expert and technical authority combining deep architectural mastery with strategic delivery oversight. You will lead end-to-end design, technology evaluation, security governance, and multi-system integration across distributed microservices, high-throughput event streaming, enterprise databases, and container platforms. You will partner with Directors, Enterprise Architects, Product Managers, and Business Leaders to ensure technology roadmaps align with business transformation objectives. **Key Responsibilities** **Strategic Architecture & System Design** + Own end-to-end technical architecture, system decomposition, and integration strategy for complex, multi-tiered enterprise systems. + Define architectural blueprints, domain models, and technical design standards for high-throughput, low-latency, and highly available microservices. + Lead technology evaluation, Proof of Concepts (PoCs), and modernization roadmaps (e.g., legacy monolith/WebSphere decomposition to cloud-native microservices and event-driven architectures). + Formally represent the application in Enterprise Architecture Governance, Security Reviews, and Technology Risk committees. **Technical Governance & Engineering Leadership** + Provide technical leadership and architectural oversight across multiple development teams and technical leads (C11/C12). + Enforce rigorous engineering standards, Clean Code practices, comprehensive automated testing (TDD/BDD), and robust CI/CD DevOps pipelines. + Establish standards for non-functional requirements (NFRs) including system resilience, fault tolerance, high availability (HA), Disaster Recovery (DR), low latency, and horizontal scalability. + Drive modernization of messaging pipelines, event stream topologies, and polyglot persistence layers. **Cross-Functional Collaboration & Stakeholder Management** + Partner closely with Product Owners, Program Managers, and Executive Stakeholders to translate multi-year business strategies into actionable, phased technical roadmaps. + Manage architectural risks, technical debt remediation, and capacity planning. + Act as the senior escalation authority for critical production incidents, driving root cause analysis (RCA) and long-term architectural stability solutions. **Mentorship & Talent Development** + Foster an inclusive,



high-performance engineering culture emphasizing continuous learning, innovation, and technical rigor. + Mentor and develop senior engineers and technical leads, building leadership pipelines and engineering talent across the organization. **Required Qualifications & Technical Competencies** **Education & Experience** + **Bachelor's or Master's Degree** in Computer Science, Computer Engineering, Information Technology, or related discipline. + **15+ years of overall software engineering experience** in enterprise-grade applications, with at least **5+ years in a senior technical lead, software architect or engineering leadership capacity** . + Proven track record of architecting, delivering, and supporting high-throughput, mission-critical systems in financial services, banking, or large enterprise domains. **Primary Skills & Technical Mastery** + **Core Java & Advanced JVM Engineering:** Deep mastery of Java (Java 11 / 17 / 21), high-concurrency programming, multithreading, memory management, garbage collection tuning (ZGC/G1), and low-latency optimization. + **Spring Ecosystem & Microservices Architecture:** Extensive experience with Spring Framework (Spring Boot, Spring Cloud, Spring Data, Spring Security, Spring Batch) and Domain-Driven Design (DDD). + **Event-Driven Architecture & Distributed Messaging:** + Expert-level design and production operations with **Apache Kafka** (cluster architecture, partitions, consumer groups, Kafka Streams/Connect, schema registry, idempotent producers). + Enterprise messaging and integration via **IBM MQ / JMS** and transaction management across distributed systems (Saga pattern, two-phase commit alternatives). + **API Strategy & Integration Patterns:** Advanced RESTful API design, OpenAPI standards, API Gateways, gRPC, OAuth2/OIDC, and mutual TLS (mTLS). + **Polyglot Database Architecture:** + Relational: **Oracle** (advanced PL/SQL, partitioning, index optimization, query execution plan analysis, Active Data Guard). + NoSQL / Document: **MongoDB** (sharding, replica sets, aggregation pipelines, performance tuning at scale). + **Resilience & Fault Tolerance Patterns:** Proven experience implementing Circuit Breaker (Resilience4j), Rate Limiting, Bulkheads, and Distributed Tracing (OpenTelemetry/Jaeger). **Secondary Skills & Modernization Competencies** + **Containerization & Cloud Native Platforms:** Architectural expertise in container platforms, specifically **Red Hat OpenShift / Kubernetes and AWS ECS** ,



including Pod autoscaling, ingress controllers, and Helm chart lifecycle management. + **Legacy Modernization & Middleware:** Experience migrating workloads from legacy application servers ( **IBM WebSphere WAS/ND** ) and workflow orchestrators ( **IBM BAW / BPM** ) to modern microservices and cloud runtimes. + **Frontend Architecture Exposure:** Solid understanding of modern SPA architecture, frontend integration, and frameworks like **Angular** (TypeScript, state management). + **DevOps & Automation:** In-depth knowledge of modern CI/CD automation (Harness, Tekton, Jenkins), infrastructure-as-code, and automated security scanning tools (SonarQube, Checkmarx, Snyk, Prisma). **Leadership & Executive Competencies** + **Strategic Vision:** Ability to conceptualize multi-year technical strategies and execute them incrementally within agile frameworks. + **Executive Communication:** Exceptional communication and presentation skills, capable of influencing both technical teams and senior executive leadership. + **Problem Solving & Decision Making:** Strong analytical acumen with proven ability to make pragmatic architectural trade-offs under constraints. + **Delivery Ownership:** High accountability for end-to-end software delivery, operational excellence, and production resilience. ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Most Relevant Skills** Please see the requirements listed above. ------------------------------------------------------ **Other Relevant Skills** For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ _Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law._ _If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career prospect review_ _Accessibility at Citi (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi's_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

📌 Lead Software Engineer (Chennai)
🏢 Citigroup
📍 Chennai