Hybrid Senior Fullstack Java Engineer – Lead

at Citi

• Job title: Senior Fullstack Java Engineer – Lead
• Job type: Full Time
• Experience level: Senior
• Salary: $113,840 - $170,760 per year
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Azure, Cloud, Distributed Systems, Google Cloud Platform, Java, JavaScript, Jest, JUnit, Microservices, MongoDB, Node.js, NoSQL, Postgres, React, Redux, Spring, Spring Boot, SpringBoot
• Location requirements: Hybrid, Tampa, United States

About the role

• Applications Development Technology Lead Analyst leading full-stack development using React.js and Node.js for Citi. Collaborating with teams and mentoring junior engineers in a hybrid work environment.

Responsibilities

• 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

Requirements

• 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

Benefits

• medical, dental & vision coverage
• 401(k)
• life, accident, and disability insurance
• wellness programs
• paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays