Senior Full-Stack Engineer: Test Data Tools & Automation

Join our high-impact Test Data Management team, a group dedicated to building and maintaining the essential tools that empower dozens of scrum teams to test their customer-impacting changes safely and efficiently. Our core mission is to automate and streamline the complex process of managing test data at a massive scale. As a Senior Application Developer, you will be a full stack engineer responsible for designing, building, and supporting the modern web applications that form our self-service toolset.

This role requires expertise across the stack, from front-end development in React to back-end services in Java/Spring Boot. You will be instrumental in our ongoing effort to consolidate and modernize our applications, creating a more efficient workflow for the entire organization within an API-first, microservices-based architecture. If you are passionate about automation, building thoughtful interfaces, and creating solutions that make developers' lives easier, this is the team for you.

Key Responsibilities

• Full-Stack Development:Design, build, and support modern, user-friendly web applications across the stack (UI, APIs, and backend services) to provide self-service test data capabilities.
• Backend & API Services:Develop scalable, secure microservices using Java and Spring Boot. Design, build, and document RESTful APIs, ensuring adherence to service contracts and versioning strategies.
• Automation & Modernization:Design and implement automated processes for provisioning and managing test data accounts. Actively contribute to the consolidation and modernization of our internal toolset to improve efficiency and user experience.
• Collaboration & Custom Solutions:Work closely with development teams to understand their needs and provide customized test data solutions where required.
• Engineering Excellence:Utilize Git Hub and contribute to automated CI/CD pipelines for building, testing, and deploying applications. Promote engineering best practices by writing robust unit and integration tests and participating in code reviews.
• Support & Operations:Perform standard test data management functions to ensure the reliability and availability of test data for all scrum teams.

Required Skills & Qualifications

• 5+ years of experience in full-stack web application development.
• Strong backend development experience with
  Java
  and
  Spring Boot
  (REST APIs, security concepts, performance, and scalability).
• Strong front-end development experience with
  React
  , including Type Script, HTML5, and CSS.
• Solid understanding of
  API design
  and
  microservices
  architecture (service boundaries, resilience, observability basics).
• Hands-on experience with
  SQL Server
  and relational data modeling.
• Proficiency with
  Git Hub
  workflows and practical experience with
  CI/CD
  pipelines.
• Excellent communication skills, a strong sense of ownership, and the ability to work collaboratively in an agile team.

Preferred Skills

• Experience with cloud platforms (AWS, Azure, or GCP).
• Experience with Node.js.
• Containerization and orchestration experience (Docker, Kubernetes/Open Shift).
• Experience with a variety of automated testing frameworks (unit, integration, and UI testing).
• Exposure to observability practices (logging, metrics, tracing) and production support.

Education

Bachelor’s degree in Computer Science, Software Engineering, a related technical field, or equivalent practical experience

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In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages,…