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 are looking for a
Senior Software Engineer to join our
Decisioning team. You will design and implement cloudnative applications on our platform using
Node.js, Koa.js, React, TypeScript, and modern build/test tooling. The role also involves developing intelligent, agenticAIdriven capabilities using
Python and MCPbased architectures
Responsibilities
- Develop and maintain cloud applications using Node.js, Koa.js, React, TypeScript, and modern frontend frameworks.
- Implement highquality, scalable backend services and responsive frontend components.
- Design, develop, and maintain Agentic AI modules using Python and MCP, integrating them with existing services.
- Build reusable UI components and modern interfaces using CSS, PrimeReact, Vite, and accessibilityfocused principles.
- Write clean, maintainable, and welltested code across the full stack.
- Maintain and improve automated test suites using unit, integration, and endtoend frameworks (e.g., Vitest, Cypress, Playwright).
- Debug production issues, perform rootcause analysis, and deliver fixes promptly.
- Enforce coding standards through thoughtful peer reviews.
- Contribute to architectural discussions, technical design, and estimation activities.
- Collaborate with crossfunctional teams: QA, DevOps, Product Management, and UX.
- Drive improvements to frontend performance, accessibility, CI/CD pipelines, and build systems.
- Mentor other developers and help elevate the team's engineering culture and best practices.
- Identify opportunities for innovation, automation, and engineering efficiency.
Qualifications
- Bachelor's degree in Computer Science, Software Engineering or equivalent practical experience.
- 6+ years of professional software development experience.
- 2+ years of handson React experience in production environments.
- Strong proficiency in JavaScript, TypeScript, Node.js, and Koa.js.
- Expert knowledge of HTML5, CSS3, modern FE architecture, and state management patterns.
- Experience with REST/HTTP (and optionally GraphQL), authentication flows, error handling, and performance optimization.
- Strong understanding of automated testing: Vitest, unit tests, mock patterns, e2e tools such as Playwright/Cypress.
- Experience with Git, Bitbucket, code review workflows, and CI/CD pipelines.
- Handson programming experience building Agentic AI workflows.
- Strong skills with Python for AI agent development, orchestration, or tooling.
- Experience building or integrating Model Context Protocol (MCP) agents or similar agentframework architectures.
- Ability to design autonomous or semiautonomous agent behaviors, reasoning loops, and action pipelines.
- Understanding of prompt engineering, tooluse patterns, context management, and LLMdriven automation.
- Comfortable in Agile/Scrum environments, collaborating across multiple teams.
- Ability to mentor junior/midlevel engineers and contribute to technical decisionmaking.
Additional Information
Our uniqueness is that we truly celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what truly matters; DEI, work/life balance, development, authenticity, engagement, collaboration, wellness, reward & recognition, volunteering... the list goes on. Experian's strong people first approach is award winning; Great Place To Work in 24 countries, FORTUNE Best Companies to work and Glassdoor Best Places to Work (globally 4.4 Stars) 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 a critical 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, color, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.
Experian Careers - Creating a better tomorrow together
Benefits
Experian care for employee's work life balance, health, safety and wellbeing. In support of this endeavor, we offer best-in-class family well-being benefits, enhanced medical benefits and paid time off.
Experian Careers - Creating a better tomorrow together
Find out what its like to work for Experian by clicking here
