Citigroup, Inc

Senior React UI Developer Agentic AI Driven Development

Citigroup, Inc • $120K — $170K *
Mississauga, ON L4T 0A1In-Person
Consumer Technology
5 - 7 years of experience
Today
Be an Early Applicant
Job Overview by Ladders

Qualifications

  • 6-10 years of relevant experience in Front-End or UI Development.
  • Strong proficiency in React, JavaScript, and TypeScript.
  • Experience with state management libraries like Redux or Zustand.
  • Proven ability to translate Figma/Sketch designs into responsive UIs.
  • Strong understanding of RESTful and GraphQL APIs.
  • Demonstrated expertise with CI/CD practices for web applications.
  • Knowledge of AI development tools and methodologies.

Responsibilities

  • Lead the design and implementation of responsive user interfaces using React.
  • Architect and optimize client-side state management and API data fetching.
  • Drive CI/CD pipeline improvements for reliable software delivery.
  • Collaborate with cross-functional teams on requirements and solutions.
  • Mentor junior engineers and foster a culture of technical excellence.
  • Research AI technologies to enhance developer productivity and code quality.
  • Participate in code reviews to ensure adherence to best practices.

Benefits

  • Career development opportunities through mentoring.
  • Access to the latest AI technologies and tools.
  • Collaboration with top professionals in cross-functional teams.
  • Engagement in strategic planning for front-end architecture.
  • Flexible working options to enhance work-life balance.
Full Job Description
Responsibilities (Leveraging AI):
  • Lead the design, development, and implementation of complex, responsive user interfaces using React and its ecosystem: Utilize AI-powered tools (e.g., v0.dev, GitHub Copilot, Claude) to accelerate UI development, generate component boilerplate, suggest optimal state management patterns, and enforce design system consistency. Leverage AI for component architecture validation and accessibility improvements.
  • Architect and optimize client-side state management and data fetching from RESTful and GraphQL APIs, ensuring a responsive and seamless user experience: Employ AI to analyze component rendering performance, suggest memoization and lazy loading strategies, and optimize data fetching patterns. AI-driven tools can also assist in generating mock API data for rapid prototyping.
  • Drive the adoption and continuous improvement of CI/CD pipelines for front-end applications to facilitate rapid and reliable software delivery: Integrate AI into CI/CD processes for intelligent visual regression testing, automated accessibility (a11y) checks, predictive analysis of bundle size impacts, and optimization of front-end build times.
  • Collaborate with cross-functional teams, including product management, UX/UI designers, and backend engineers, to define requirements, design solutions, and deliver high-quality software: Use AI-powered communication and summarization tools to streamline requirement gathering, analyze user feedback, and translate design specifications into technical tasks.
  • Mentor and provide technical guidance to junior and mid-level front-end engineers, fostering a culture of technical excellence and continuous learning: Leverage AI platforms for personalized learning paths on front-end technologies, automated code feedback on UI components, and explanations of complex rendering concepts.
  • Actively research and experiment with AI technologies to identify opportunities for enhancing developer productivity, improving UI/UX, and ensuring code quality: Continuously explore emerging AI tools and techniques (such as AI-driven design-to-code converters) and assess their applicability to our front-end development ecosystem.
  • Participate in code reviews, ensuring adherence to coding standards, best practices, and architectural guidelines for the front-end: Utilize AI-powered code analysis tools to pre-scan code for potential bugs, performance bottlenecks, accessibility issues, and style deviations, allowing human reviewers to focus on UX and architectural integrity.
  • Troubleshoot and resolve complex technical issues in front-end applications, ensuring stability, performance, and cross-browser compatibility: Implement AI-driven user session analysis to identify rage clicks and UI dead ends, leverage AI for rapid debugging of complex state issues, and automate error reporting analysis.
  • Contribute to the strategic planning and technical roadmap for our front-end architecture and design systems: Employ AI to analyze industry trends in UI technology, forecast the evolution of frameworks, and prioritize roadmap initiatives based on data-driven insights.
  • Utilize in-depth specialty knowledge of front-end development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgment: Augment human analytical capabilities with AI-powered data analysis and pattern recognition to rapidly assess complex UI/UX challenges and inform robust decision-making.
  • Recommend and develop security measures for the client-side, ensuring successful system design and functionality: Use AI-driven security analysis tools to continuously monitor front-end code for vulnerabilities (e.g., XSS) and recommend adaptive security controls.
  • Ensure essential procedures are followed and help define operating standards and processes for front-end development: Utilize AI for automated compliance checks against defined procedures and for suggesting improvements to development workflows based on performance data.
Required Technical Skills:
  • Core Web Fundamentals: Strong understanding of HTML5, CSS3 (including Flexbox, Grid, and modern layout techniques), and advanced JavaScript (ES6+)/TypeScript.
  • Frameworks: Extensive experience with the React Framework (React 16.8+, including Hooks, Context API) and its ecosystem.
  • State Management: Proficiency with modern state management libraries such as Redux, Zustand, or Recoil.
  • UI/UX & Design Systems: Proven experience translating Figma/Sketch designs into pixel-perfect, responsive UIs. Experience with component libraries like Material-UI, Ant Design, or building and maintaining custom design systems.
  • API Integration: Strong proficiency in consuming RESTful and/or GraphQL APIs.
  • CI/CD & Build Tools: Hands-on experience with front-end build tools (e.g., Webpack, Vite), package managers (NPM, Yarn), and CI/CD practices for web applications.
  • Testing: Experience with unit and component testing frameworks (e.g., Jest, React Testing Library) and end-to-end testing tools (e.g., Cypress, Playwright).
  • Web Performance (Beneficial): Familiarity with web performance optimization techniques (code splitting, lazy loading, memoization) and profiling tools (Lighthouse, React DevTools).
AI Tools & Methodologies (Must):
  • Demonstrable exposure and practical experience with AI development tools such as GitHub Copilot, v0.dev, Claude, and Codex.
  • Strong understanding of AI/ML concepts, prompt engineering, and integrating AI into software development workflows (e.g., for code generation, testing, debugging, and documentation).
  • A keen desire to apply AI technologies to improve software development processes and outcomes.
Recommended Qualifications:
  • 6-10 years of relevant experience in a Front-End or UI Developer role.
  • Demonstrated expertise in React, JavaScript, and TypeScript, with a deep understanding of their core concepts and the browser rendering pipeline.
  • Extensive experience with the React ecosystem for building enterprise-level applications.
  • Strong foundation in object-oriented and functional programming principles and a practical understanding of design patterns to create scalable and maintainable code.
  • Experience with both relational and NoSQL databases from a consumer's perspective.
  • Experience with unit/integration testing and a commitment to writing clean, well-documented, and testable code.
  • Solid understanding of RESTful API design principles.
  • Extensive experience in system analysis and in programming of software applications.
  • Experience in managing and implementing successful projects.
  • Subject Matter Expert (SME) in at least one area of Front-End Development (e.g., Performance, Accessibility, State Management).
  • Ability to adjust priorities quickly as circumstances dictate.
  • Demonstrated leadership and project management skills.
  • Consistently demonstrates clear and concise written and verbal communication.
Education:
  • Bachelor's degree/University degree or equivalent experience
  • Master's degree preferred

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

Primary Location Full Time Salary Range:
$120,800.00 - $170,800.00

Most Relevant Skills
Please see the requirements listed above.

Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

About Citigroup, Inc

Citigroup is a financial services holding company that provides financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed-income research, corporate lending, investment banking, and advisory services, private banking, cash management, trade finance, and securities services. Citi is committed to sustainability and social responsibility, and the company invests in initiatives that promote economic progress.

Citigroup, Inc Careers

Join the vibrant team at Citigroup, Inc, a leading global bank, and propel your career into the future. Citigroup offers a plethora of job opportunities that span across various fields and expertise, making it an ideal place for ambitious professionals to thrive.

Work You’ll Do

At Citigroup, Inc, you will engage in exciting work that matters. Join our team to help innovate and drive transformation in the banking industry. With Citigroup, you can lead initiatives that redefine how banking works and how financial services can empower people globally.

Innovate and Lead

Citigroup, Inc is at the forefront of financial innovation and leadership. By joining our team, you will work alongside top professionals to develop solutions that enhance customer experiences and operational efficiency. Our commitment to innovation is fundamental, and we encourage our team to push boundaries and think outside the box.

Grow Your Career

Citigroup, Inc is not just a company; it's a place where you can grow both professionally and personally. We offer robust career paths and professional development opportunities that help you reach your potential. With diverse career tracks and the support of leadership, your growth at Citigroup is limitless.

Diversity and Inclusion

We believe our strength comes from the diversity of our team. Citigroup, Inc is dedicated to fostering an inclusive workplace where everyone can contribute their best work. Through diversity training and a culture that embraces differences, we create a welcoming environment for all employees.

Benefits and Culture

Citigroup, Inc values the well-being of its employees. We offer competitive benefits packages that support the health, finance, and lifestyle of our team members. Our culture is built on collaboration, respect, and a commitment to excellence. We ensure that every team member feels valued and part of our global family.

Internship and Employment Opportunities

Start your professional journey with Citigroup through our internship programs or full-time job opportunities. We are constantly hiring fresh talent and seasoned experts who bring creativity and innovation to our team. Whether you're refining your skills or ready to lead, there's a position waiting for you at Citigroup.

Networking and Professional Development

At Citigroup, Inc, networking and continuous learning are part of our DNA. We provide platforms for employees to connect with industry leaders and peers, enhancing their skills and opening up new career opportunities. Our leadership programs and professional development initiatives ensure that you are always ahead of the curve.

Join Our Team

Explore the numerous positions available at Citigroup, Inc that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to make an impact.

Stay Connected

Keep up to date with the latest in career opportunities and industry insights at Citigroup, Inc. Subscribe to our job alert emails and read our careers blog to stay ahead in your professional journey.

Explore Citigroup, Inc Jobs

Discover the exciting and rewarding opportunities that await at Citigroup, Inc. Tailor your resume, prepare for your interview, and take the next step in your career with us.

SEARCH CITIGROUP JOBS

READ CAREERS BLOG

Citigroup, Inc is where your ambition meets opportunity. Join us and transform your career while making a global impact.
Learn more about Citigroup, Inc
Market Cap
$1.3 billion
Industry
Finance & Insurance
Net Income
$89.6 million
Founded
1812
5 Year Trend
+4.6%
NASDAQ
C
* Ladders Estimates

Similar Jobs

Ad banner background

Get Ready For Your
Next Interview

More Jobs at Citigroup, Inc

More Consumer Technology Jobs

Find similar Senior React UI Developer Agentic AI Driven Development jobs:

NationwideMississauga, ON