Senior Java Developer

Primary Skills & Technical Mastery

Qualifications:

• 8+ years of relevant experience
• Experience in systems analysis and programming of software applications
• Experience in managing and implementing successful projects
• Working knowledge of consulting/project management techniques/methods
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
• Education:
• Bachelor’s degree/University degree or equivalent experience
• This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
• Technology
• Applications Development
• 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 opportunity review Accessibility at Citi.
• View Citi’s EEO Policy Statement and the Know Your Rights poster.

Job Family Group:

Job Family:

Time Type:

Most Relevant Skills

Other Relevant Skills

Responsibilities

• Work as Tech Lead and senior developer and support multiple banking applications together with global teams in other locations.
• Takes responsibility for timeline and good quality of solution deliverables.  Involving into or do system/component design & implementation with counterparty in New York, London, and other locations.
• Translates functional requirement or specifications into technical solutions and implement the solutions with plans and executions.
• Responsible for people management, covers hiring, coaching, team building, performance evaluation etc.
• Responsible for continuous improvement, by implementing best practices to software architecture, software development process and new technologies etc.
• Communicates with business and other project teams to deliver the project per agreed schedule.
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Serve as advisor or coach to new or lower level analysts
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and /or other team members.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
• Required Technical Skills:
• 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)