Lead Software Engineer; Java, Microservices

About Citi:

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience.

We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride.

If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

This role is for a seasoned Java engineer who will be instrumental in building and shaping the backbone of our enterprise applications. You will be taking ownership of designing and developing complex, distributed systems using a modern Java-based stack, focusing on microservices and real-time data processing. This position is equivalent to a technical lead or principal engineer in the market, requiring deep expertise in system architecture and the ability to mentor other developers.

• Design, develop, and maintain scalable, high-performance Java-based applications using the Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security).
• Build and maintain robust, secure, and efficient RESTful APIs and microservices to support critical business functions.
• Design and implement event-driven architectures using Apache Kafka, including the development of producers, consumers, and stream processing applications for real-time data handling.
• Manage and optimize Kafka infrastructure, including topics, partitions, and consumer groups to ensure high availability and fault tolerance.
• Collaborate with architects and technical leads to define and refine system architecture, ensuring the scalability, resilience, and high availability of our microservices ecosystem.
• Design and optimize Mongo
  
  DB schemas, indexing strategies, and aggregation pipelines for efficient data storage and retrieval.
• Write clean, maintainable, and well-documented code, adhering to industry best practices and established design patterns.
• Champion code quality by performing thorough code reviews, implementing comprehensive testing strategies (unit, integration, and end-to-end), and mentoring junior developers.
• Work with Dev Ops teams to implement and manage CI/CD pipelines for automated builds, testing, and deployments in cloud environments (e.g., AWS, Red Hat Open Shift).
• Utilize containerization tools like Docker and orchestration platforms like Kubernetes for deploying and managing applications.
• Collaborate closely with product managers, business analysts, and other cross-functional teams to translate complex business requirements into technical solutions.
• Proactively monitor application performance, troubleshoot, and resolve production issues in a timely and efficient manner.

• 6+ years' professional experience in Java development…