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Senior GUI Developer

Citigroup•17h ago
DLF CYBERCITY 12BOnsiteFull-timeSenior Level5+ yrs exp
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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
  • 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
  • other technology groups on issues
  • recommend programming solutions, install
  • 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)
  • 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. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer
  • 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
  • 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.

Required skills

JavaScriptJavaReactAngularHTML/CSSSpringRESTMongoDBCI/CDJenkinsSecurity
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