Senior React Engineer

Location: Heredia, Heredia, cr

Company Description

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

Job Description

We’re looking for a strong Senior React Engineer to join our engineering team. This role is ideal for someone who thrives in building enterprise level, production applications and has deep experience in developing server-side rendered (SSR) React applications.

You’ll work alongside Tech Leads, Product Owners, UX Designers and Server-side Engineers to deliver performant, resilient, and scalable web components that provide life-changing financial services to millions of customers across the globe. We’re looking for someone that cares deeply about code quality, foundational design principles, working collaboratively across teams and feels empowered to share their opinions in conversations.

What You’ll Do

• Build and maintain enterprise-scale React applications with a focus on performance, scalability, and maintainability
• Develop full stack, server-side rendered (SSR) applications using modern React patterns
• Work with frameworks such as React Router, Next.js, Remix, or TanStack Router (or similar)
• Collaborate cross-functionally to translate product requirements into robust technical solutions
• Contribute to architectural decisions and help evolve our frontend and full stack patterns
• Write clean, thoroughly tested and well-documented code
• Participate in code reviews and mentor junior engineers where appropriate
• Support CI/CD processes and production deployments and application support.

Qualifications

What We’re Looking For

• 5+ years of professional software engineering experience.
• Strong proficiency in React and modern JavaScript/TypeScript.
• Experience building full stack, server-side rendered React applications.
• Hands-on experience with one or more of the following:
  • React Router
  • Next.js
  • Remix
  • TanStack Router
• Solid understanding of web fundamentals (Caching, performance optimization, accessibility, OAuth, etc).
• Experience designing and consuming REST & GraphQL APIs.
• Familiarity with testing frameworks (e.g., Jest, React Testing Library, Cypress).
• Hands-on experience with Copilot/ChatGPT/Claude as a coding assistant, prompt engineering and evaluation of AI output quality.
• Experience working on an Agile engineering team (Jira, Sprints, etc)

Nice to Haves

• Design and implement APIs and backend integrations to support frontend experiences.
• Experience with Node.js backend development.
• Working knowledge of AWS (Lambdas, Fargate, S3, RDS, etc.).
• Experience collaborating with designers using modern design tools (e.g., Figma) and design-to-code workflows, including leveraging AI tooling and automation to accelerate UI development and iteration.
• Experience developing AI-driven workflows, including handling edge cases, what a trust signal is, and designing fallback patterns.
• Working knowledge of how to utilize and filter data with observability and monitoring tools.
• Experience working in heavily regulated financial environments.

What Success Looks Like

• You can independently own features from technical design through production release
• You write code that scales across teams and use cases
• You proactively identify and resolve performance and architectural bottlenecks
• You elevate engineering standards through thoughtful reviews and collaboration

Additional Information

Our uniqueness is that we celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what matters; DEI, work/life balance, development, authenticity, collaboration, wellness, reward & recognition, volunteering... the list goes on. Experian's people first approach is award-winning; World's Best Workplaces™ 2024 (Fortune Top 25), Great Place To Work™ in 24 countries, and Glassdoor Best Places to Work 2024 to name a few. Check out Experian Life on social or our Careers Site to understand why.

Experian is proud to be an Equal Opportunity and Affirmative Action employer. Innovation is an important part of Experian's DNA and practices, and our diverse workforce drives our success. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, colour, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.