Test Data Mgmt / Sr App Development Engineer - VP

Citi; Jacksonville (FL); On-site; USD 114,000 - 171,000; Full time

Benefits offered by this job

Medical, dental & vision coverage

401(k) plan

Life, disability insurance

Paid time off

Job summary

Citi in Jacksonville is seeking a Senior Application Developer to design, build, and support modern web applications across the full stack. You will work on self-service test data tools, APIs, and microservices within an API-first architecture, delivering robust features and automation to empower multiple scrum teams.

The role requires strong Java/Spring Boot backend and React/TypeScript frontend skills, plus CI/CD, testing, and collaboration in an agile environment.

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 TypeScript, 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 GitHub 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.

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 GitHub 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.

Skills

Full-stack web dev

Java & Spring Boot

React

API design

SQL Server

GitHub CI/CD

Agile / teamwork

Education

Bachelor’s degree in Computer Science / related field

Tools

Docker

Kubernetes/OpenShift

Node.js

AWS/Azure/GCP

CI/CD tooling

Job description

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 GitHub 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 TypeScript, 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 GitHub 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/OpenShift).
• 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

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location

14000 CITI CARDS WAY BUILDING C JACKSONVILLE

Primary Location Full Time Salary Range

$113,840.00 - $170,760.00

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, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Anticipated Posting Close Date

Jul 15, 2026

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.