Senior GUI Developer

Citi; Chennai District; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

Citi, a leading financial services company in India, seeks a Senior UI Developer to drive frontend architecture and delivery. You will mentor juniors, shape technical direction, and ensure complex projects are delivered with high quality.

Responsibilities include collaborating with users and tech groups, implementing robust UI using modern JavaScript, and integrating with backend services. Strong problem-solving, communication, and pressure handling are essential.

Qualifications

• 5-7 years of experience in the Financial Services industry.
• Intermediate level experience in Applications Development.
• Clear and concise written and verbal communication.
• Strong problem-solving and decision-making skills.
• Ability to work under pressure and meet deadlines.

Responsibilities

• Identify system enhancements and define solutions using scripting and code analysis.
• Consult with users and clients; recommend programming solutions and support exposure systems.
• Apply fundamentals of programming languages for design specifications.
• Analyze applications to identify vulnerabilities and perform testing and debugging.
• Act as SME to senior stakeholders and other team members.
• Assess risk when business decisions are made.

Skills

JavaScript

SPA Frameworks

State management

UI performance

Routing

CSS

Unit testing

E2E testing

API integration

Backend basics

Education

Bachelor's degree

Tools

Git

TeamCity/Jenkins

SonarLint / Snyk

WebLogic / Tomcat

Job description

A Senior UI Developer at the C11 level is expected to be a highly skilled and experienced professional who can lead the technical aspects of user interface development. They are responsible for not only writing high-quality code but also for mentoring junior developers, making architectural decisions, and ensuring the successful delivery of complex projects.

Responsibilities

• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
• Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
• Apply fundamental knowledge of programming languages for design specifications.
• Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
• Acts as SME to senior stakeholders and /or other team members.
• Appropriately assess risk when business decisions are made

Technology Skills Required

Core Frontend Development

• JavaScript Expertise: Deep understanding of modern JavaScript (ES6+), including concepts like closures, asynchronous programming (Promises, async/await), and functional programming.
• Single Page Applications (SPA): Proven experience in building complex, scalable, and performant single-page applications using modern frameworks like Angular or React.
• State Management: Proficiency in managing application state with libraries like RxJS for Angular or Redux/Context API for React, ensuring data consistency and a predictable state container.
• UI/UX & Performance: A strong ability to debug, tune, and optimize UI components for responsiveness and speed.
• Routing: Expertise in designing and implementing client-side routing to create seamless and intuitive user navigation within the application.
• Designing: Ability to make CSS changes

Testing and Quality Assurance

• Unit Testing: Strong knowledge of unit testing frameworks such as Jest, Jasmine, or Karma to ensure code reliability and maintainability.
• End-to-End Testing: Ability to write and maintain robust automation tests using tools like Playright, Cypress or Selenium.

Backend Integration & Services

• API Integration: Solid experience integrating with RESTful APIs and a strong understanding of the request/response lifecycle.
• Backend Familiarity: Foundational knowledge of backend Java spring boot technologies is a plus
• Database Knowledge: Experience with any SQL or NoSQL databases (e.g., Oracle, Sybase, MongoDB) is beneficial.
• Messaging Systems: Exposure to messaging technologies like JMS or Solace is an added advantage.

DevOps, Tooling, and Architecture

• Version Control: Proficiency with Git for managing code versions, branching strategies, and collaborative development.
• CI/CD: Experience working in a Continuous Integration and Continuous Delivery (CI/CD) environment with tools like TeamCity, Jenkins
• Code Quality: Familiarity with code quality and security scanning tools such as SonarLint, Blackduck, Snyk etc.
• Application Servers: Knowledge of application or web servers like WebLogic and/or Tomcat.
• Architectural Principles: Proficient in industry-standard best practices, including Design Patterns, modular coding, Object-Oriented Programming (OOP).

Qualifications

• 5-7 years of relevant experience in the Financial Service industry
• Intermediate level experience in Applications Development role
• Consistently demonstrates clear and concise written and verbal communication
• Demonstrated problem-solving and decision-making skills
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

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 Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Most Relevant Skills

Please see the requirements listed above.

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.

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