Overview
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.
Responsibilities
- Collaborate with cross-functional teams to build and maintain web applications.
- Develop and maintain front-end applications using ReactJS, Typescript and modern UI frameworks.
- Build scalable backend services and APIs using NestJS.
- Write clean, maintainable and testable code following best software development practices.
- Ensure UI/UX designs are implemented accurately and responsively.
- Participate in code reviews and provide constructive feedback.
- Troubleshoot, debug and optimize performance across tech stack.
- Contribute to continuous integration/continuous deployment (CI/CD) processes.
- Document technical designs, processes and workflows.
Qualifications
- Proficiency in ReactJS (functional components, hooks, context API, state management)
- Experience in Typescript or similar language (typing, generics, interfaces, advance features)
- Solid foundation in HTML5, CSS3 and modern responsive design practices.
- Demonstrated experience in building and deploying web applications using ReactJS and NestJS.
- Experience with CSS frameworks (Tailwind, Bootstrap, Material UI or similar)
- Understand of frontend build tools (Webpack, Vite, Babel)
- Hands-on experience with NestJS or similar framework (modules, services, controllers, dependency injection)
- Strong knowledge of RESTful APIs and/or GraphQL.
- Familiarity with databases (PostgreSQL, MySQL or MongoDB)
- Experience with ORMs (TypeORM, Prisma, Sequelize)
- Familiarity with testing frameworks (Jest, React Testing Library, Supertest, Cypress)
- Familiarity with Git-based workflows (GitHub/GitLab/Bitbucket)
- Knowledge of CI/CD pipelines and deployment practices (Docker, Kubernetes or cloud providers)
Education
- Bachelor’s degree/University degree or equivalent experience
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
Job details and benefits described herein are subject to change. This role is located in Irving, Texas, United States, and is a full-time position.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
Build Tools, CSS Framework, Node.js, React.js, React Native, React Redux, React VR.
Anticipated Posting Close Date
Sep 16, 2025
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. Accessibility accommodations for applicants are available upon request. Citi’s EEO Policy Statement and the Know Your Rights poster are available for review.