UI Frontend Developer

Citi; New York (NY); Hybrid; USD 38,000 - 64,000; Full time

Benefits offered by this job

Cafeteria Program

Home Office Allowance

Paid Parental Leave

Private Medical Care

Pension Plan

Group Life Insurance

Employee Assistance Program

Learning and development programs

Flexible work arrangements

Career progression opportunities

Socially active communities

Job summary

Citi Hungary is seeking a Mid-level UI Frontend Developer to join the Identity Innovation space within Cloud Technology Services. The role focuses on building production-grade frontend applications with TypeScript and React.js to enhance user experience and support automation and cost-reduction initiatives.

You will collaborate with UI/UX, backend, and product teams, implement Redux, ensure secure OAuth-2 authentication, and contribute to tests and reusable components.

Qualifications

• Proven frontend engineering experience with UI development.
• Experience in large, global environments, preferably financial services.
• Ability to manage technical projects or significant project components.
• Clear and concise written and verbal communication in technical contexts.
• Understanding of frontend architecture and analytics tools.
• Analytical and diagnostic troubleshooting skills.
• Ability to work in a matrix environment and with virtual teams.
• Bachelor’s degree or equivalent in CS/Engineering or related field.

Responsibilities

• Design, develop, and maintain high-quality UIs using TypeScript and React.js.
• Implement scalable state management (Redux, Redux Toolkit).
• Collaborate with UI/UX designers, backend developers, and product owners.
• Integrate frontend with APIs and manage authentication via OAuth-2.
• Develop reusable UI components and maintain a Storybook.
• Optimize UI/UX performance and ensure feasibility with existing frameworks.
• Write unit and integration tests for frontend components.
• Participate in code reviews and mentor junior team members.
• Ensure audit and security requirements are followed with BISOs/TISOs.

Skills

TypeScript

React.js

Redux/Redux Toolkit

CSS/Styling

Client-side routing

RESTful APIs

Webpack/Vite

OAuth-2

Git

Jest/RTL/Cypress

Storybook

Docker/Kubernetes

Education

Bachelor’s degree in CS/Engineering or related field

Tools

Storybook

Docker

Kubernetes

Webpack

Vite

Git

OAuth-2

Job description

UI Frontend Developer

Location(s):

Budapest, Budapest, Hungary

Job Type:

Hybrid

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

The Mid-level UI Frontend Developer will be an integral part of the Identity Innovation space within the Cloud Technology Service department. This intermediate-level position is responsible for the design, development, and implementation of robust and intuitive user interfaces. The primary objective is to build production-grade frontend applications, predominantly using TypeScript and React.js, that enhance user experience, streamline workflows, and support the automation and cost reduction initiatives across the firm. The successful candidate will ensure high-quality visual and functional standards are met within existing and planned technology frameworks, contributing to the strategic evolution of our cloud-based identity services.

Responsibilities:

• Design, develop, and maintain high-quality, responsive, and performant user interfaces using TypeScript, React.js, and modern frontend technologies.
• Implement state management solutions (e.g., Redux, Redux Toolkit) to ensure scalable and maintainable application state.
• Collaborate with UI/UX designers, backend developers, and product owners to translate requirements into engaging and user-friendly web experiences.
• Integrate frontend applications with various APIs and ensure seamless data flow and authentication (e.g., via OAuth-2 for SSO).
• Develop reusable UI components and maintain a component storybook for consistency and efficiency across projects.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
• Write comprehensive unit and integration tests for frontend components and applications.
• Participate in code reviews, mentor junior team members, and contribute to continuous improvement of frontend development processes and best practices.
• Ensure solutions and processes are in accordance with audit initiatives and requirements, consulting with Business Information Security Officers (BISOs) and Technology Information Security Officers (TISOs) as needed.

Qualifications:

• Proven relevant experience in a Frontend Engineering role, with a strong focus on UI development.
• Demonstrated experience working in a large, complex, and/or global environment, preferably within Financial Services.
• Proven ability to manage technical projects or significant project components effectively.
• Consistently demonstrates clear and concise written and verbal communication skills, especially in technical contexts.
• Comprehensive understanding of software design principles, frontend architecture, and analytics tools to identify best practices.
• Demonstrated analytic and diagnostic skills for troubleshooting and problem-solving.
• Ability to work effectively in a matrix environment and partner with virtual teams.
• Ability to work independently, prioritize tasks, and take ownership of various parts of a project or initiative from conception to deployment.
• Ability to work under pressure and manage tight deadlines or unexpected changes in expectations or requirements in a fast-paced development environment.
• Proven track record of contributing to operational process change and improvement through technical solutions.
• Bachelor’s degree/University degree in Computer Science, Engineering, or a related field, or equivalent experience.

Must-Have Skills:

• Programming Languages: TypeScript
• Frontend Frameworks: React.js Fundamentals
• State Management: Redux, Redux Toolkit
• Styling: CSS, and experience with styling-in-JS libraries or pre/post-processors
• Routing: Client-side routing in React applications
• API Integration: Experience consuming RESTful APIs
• Build Tools: Webpack, Vite
• Authentication: Integration with SSO and Authentication providers via OAuth-2
• Version Control: Git
• Testing Frameworks: Experience with Jest, React Testing Library, Cypress, or similar
• Component Documentation: Component Storybook
• Containerization: Docker, Kubernetes

Nice-to-Have Skills:

• Frontend Frameworks: Experience with Next.js or Gatsby
• Advanced State Management: Familiarity with modern solutions like Recoil, Zustand, or Jotai
• Performance Optimization: Techniques for optimizing web application performance
• Real-time Communication: Experience with Web Sockets
• An additional programming language like Python is a plus

What we can offer you:

By joining Citi Hungary, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive compensation package and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well:

• Cafeteria Program
• Home Office Allowance (for colleagues working in hybrid work models)
• Paid Parental Leave Program (maternity and paternity leave)
• Private Medical Care Program and onsite medical rooms at our offices
• Pension Plan Contribution to voluntary pension fund
• Group Life Insurance
• Employee Assistance Program
• Access to a wide variety of learning and development programs, online course libraries and upskilling platforms, such as Udemy and Degreed
• Flexible work arrangements to support you in managing work - life balance
• Career progression opportunities across geographies and business lines
• Socially active employee communities with diverse networking opportunities

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.

Sounds like Citi has everything you need?

Then apply to discover the true extent of your capabilities.

Job Family Group:

Technology

Job Family:

Systems & Engineering

Time Type:

Full time

Primary Location Full Time Salary Range:

12 211 560,00 Ft - 20 474 640,00 Ft

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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

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