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Team Overview
The Front-End Engineering team is responsible for building and maintaining TransUnion's next-generation web applications and digital experiences. Working within a collaborative Agile environment, the team partners closely with Product Managers, UX/UI Designers, Back-End Engineers, Architects, DevOps Engineers, and Quality Engineers to deliver enterprise-grade solutions that serve millions of customers and business users.The team is focused on adopting modern engineering practices, reusable design systems, cloud-native architectures, automated testing, and continuous delivery to ensure rapid innovation and exceptional user experiences. This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.
Role Overview And Core Responsibilities
Role Overview
The Senior Front-End Developer will be responsible for designing, developing, and maintaining highly scalable and performant web applications using React.js, TypeScript, and modern front-end technologies. This individual will drive architecture decisions, establish development standards, mentor engineers, and ensure applications meet the highest standards of quality, security, accessibility, and performance.
The ideal candidate possesses extensive experience building complex single-page applications, implementing scalable state management patterns, optimizing application performance, and collaborating with cross-functional teams to deliver business value through technology.
Core Responsibilities
- Design and implement highly scalable, modular front-end architectures using React.js and TypeScript.
- Develop enterprise-grade web applications utilizing modern React frameworks such as Next.js and Remix.
- Audit and optimize application performance by improving Core Web Vitals, implementing lazy loading, reducing bundle sizes, and managing efficient caching strategies.
- Create, document, and maintain reusable UI component libraries and design system components for consistency across company platforms.
- Establish clean and maintainable data flows using Redux Toolkit, NgRx, Zustand, Context API, or similar state management solutions.
- Integrate front-end applications with RESTful APIs, GraphQL services, and microservice-based architectures.
- Implement internationalization (i18n) and Right-to-Left (RTL) language support across applications.
- Lead code reviews and enforce engineering best practices, coding standards, linting, and static code analysis requirements.
- Develop and maintain automated testing strategies, including unit, integration, and end-to-end testing.
- Collaborate closely with UX/UI teams to deliver accessible, intuitive, and responsive user experiences.
- Partner with DevOps teams to improve CI/CD pipelines, deployment automation, and release processes.
- Troubleshoot and resolve complex production issues while ensuring platform stability and reliability.
- Mentor junior and mid-level developers through pair programming, code reviews, and technical coaching.
- Participate in architectural discussions and technology evaluations to drive continuous improvement.
- Ensure compliance with security, privacy, accessibility, and regulatory requirements.
Required Knowledge And Experiences
Required Experience
- 8+ years of professional software engineering experience.
- 5+ years of hands-on experience developing and supporting production React.js applications.
- Proven experience designing scalable front-end architectures for enterprise applications.
- Strong experience building Single Page Applications (SPAs) and server-rendered applications.
- Experience working in Agile/Scrum development environments.
- Demonstrated experience mentoring developers and providing technical leadership.
Required Technical Skills
- Experience: 8+ years of professional software engineering experience, with 5+ years focused strictly on React.js production applications.
- Languages: Expert-level mastery of JavaScript (ES6+), TypeScript, HTML5, and semantic, responsive CSS3 (Tailwind CSS, Styled Components, or SASS).
- Frameworks: Strong professional experience with production-ready React frameworks, specifically Next.js or Remix.
- Testing: Deep understanding of automated testing using Jest, React Testing Library, and End-to-End frameworks like Cypress or Playwright.
- Tooling: Experience configuring modern build pipelines, including Vite, Webpack, Babel, and CI/CD automation platforms.
- Version Control: Advanced knowledge of Git workflows, branching strategies, and monorepo management (e.g., Turborepo or Nx).
TransUnion Overview:
At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.
Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.
TransUnion Job Title
Sr Engineer, Applications Development
Skills Required
- 8+ years of professional software engineering experience
- 5+ years of hands-on experience developing and supporting production React.js applications
- Experience designing scalable front-end architectures for enterprise applications
- Experience building single-page applications and server-rendered applications
- Experience working in Agile/Scrum development environments
- Experience mentoring developers and providing technical leadership
- Expert-level mastery of JavaScript ES6+, TypeScript, HTML5, and semantic responsive CSS3
- Professional experience with Next.js or Remix
- Deep understanding of automated testing with Jest, React Testing Library, Cypress, or Playwright
- Experience configuring Vite, Webpack, Babel, and CI/CD automation platforms
- Advanced knowledge of Git workflows, branching strategies, and monorepo management using Turborepo or Nx
What the Team is Saying
TransUnion Compensation & Benefits Highlights
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Healthcare Strength — Health coverage is described as strong, with multiple plan choices, reasonable deductibles, and access to mental‑health resources like Spring Health.
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Leave & Time Off Breadth — Flexible Time Off for salaried roles, PTO for hourly roles, paid holidays, wellness days, and hybrid flexibility underpin generous time‑away options.
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Parental & Family Support — Parental and caregiver benefits are emphasized, including 12 weeks of paid parental leave with a gradual return, adoption assistance, dependent‑care FSA, and Care@Work backup care from day one.
TransUnion Insights
What We Do
TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. Because of our work, organizations can better understand consumers in order to make more informed decisions, and earn their trust through great, personalized experiences, and the proactive extension of the right opportunities, tools and offers. In turn, consumers can be confident that their data identities will result in the opportunities they deserve. We make trust possible, so businesses and consumers can transact with confidence and achieve great things. We call this Information for Good®—it’s our purpose, and what drives us every day.
Why Work With Us
Our culture is welcoming, energetic and innovative. There’s an overall synergy that flows throughout TransUnion, creating a sense of unity in knowing that we’re all working to achieve the same overall goal. We’re dedicated to providing opportunities for our people to get involved and stay connected with their colleagues across the globe.
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TransUnion Teams
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Hybrid Workspace
Employees engage in a combination of remote and on-site work.
