Senior Fullstack Java Engineer Lead

Senior Fullstack Java Engineer Lead

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

• Design, develop, and maintain advanced dynamic rendering frameworks for complex web applications using React.js.
• Lead the architectural design and implementation of scalable and robust back-end services using Node.js and Java (Spring Boot).
• Collaborate with product managers, UX/UI designers, and other engineering teams to translate business requirements into technical solutions.
• Ensure the performance, quality, and responsiveness of applications.
• Write comprehensive unit, integration, and end-to-end tests to ensure code quality and system reliability.
• Participate in code reviews, providing constructive feedback and ensuring adherence to coding standards and architectural principles.
• Identify and address performance bottlenecks and critical production issues.
• Mentor and guide junior and mid-level engineers, fostering a culture of technical excellence and continuous learning.
• Stay up-to-date with emerging technologies and industry trends, advocating for their adoption where appropriate.

Required Qualifications:

• 6-10 years of experience in software development, with a significant focus on full-stack web applications.
• Expert-level proficiency in React.js: Demonstrated experience building complex, dynamic, and performant user interfaces. Deep understanding of React ecosystem, state management (e.g., Redux, Context API), and component lifecycle.
• Strong proficiency in Node.js: Experience designing and implementing scalable RESTful APIs and microservices.
• Strong proficiency in Java and Spring Boot: Proven experience in building enterprise-grade back-end applications and services.
• Proven experience in designing and building complex dynamic rendering frameworks/systems. Understanding of server-side rendering (SSR), client-side rendering (CSR), and hydration techniques.
• Excellent architectural skills: Ability to design scalable, resilient, and maintainable software systems from concept to deployment. Experience with design patterns, microservices architecture, and distributed systems.
• Solid understanding of software testing principles: Extensive experience writing unit tests (e.g., Jest, React Testing Library, JUnit), integration tests, and contributing to overall test strategy.
• Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB).
• Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and CI/CD pipelines.
• Strong problem-solving skills and the ability to troubleshoot complex issues across the full stack.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

Education:

• Bachelor's degree/University degree or equivalent experience in Computer science/Technology
• Master's degree preferred