Software Developer

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 digital 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 realise their financial goals and help them to save time and money.

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

We invest in people and new advanced technologies to unlock the power of data and to innovate. A FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 23,300 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at

This developer will be working to expand our capabilities around high-performance backend batch, real-time and streaming APIs and data pipelines. We leverage a lot of cloud and we have a preference for AWS, so it is expected that the developer should know how to get around with fully serverless development and has knowledge of AWS service offerings for application development, e.g. EKS, Elastic BeanStalk, Lambda, EventBridge, DynamoDB, SQS, SQS, S3, Neptune, etc.

We have data in the heart of everything we do, so this developer will be helping on further expanding our Mosaic Portal backend and pipelines, which is the main place where clients access and interact with our most important Data Product: Mosaic.

Responsible for

• Design, create and maintain applications software in JavaScript (express, node).
• Priority is placed on dev work, with only approximately one third of your time spent in design.

Main tasks

• Design, coding, testing and installing applications programs either in one major language or in a range of programs across multiple platforms. Developing operating and system documentation.
• Work with users to evaluate IT applications and equipment requirements. Ensuring that systems are developed within agreed budgets and time frames and achieving necessary design and systems security standards.
• Providing technical mentoring and guidance to less experienced members of applications development team.

Internal contacts

• Users and user groups, development team members. External contacts Vendors of hardware and software
• Javascript (Vue, React) - Mandatory
• Advanced skills in the major programming languages like JavaScript, Python, Scala. Advanced skills of SQL.
• May include advanced Java/J2EE or .NET architecture skills and the ability to transfer these to specific project deliverables, including web models.
• Knowledge in open-source programming. Understand the essential needs of users and meet these in well-designed programs. Good skills in time and resource management.
• Familiarity with AWS e.g. EKS, Lambda
• Experience with Snowflake. Knowledge in Spark is a bonus
• Others:
  • ExpressJS
  • NPM
  • DevOps - Jenkins, Terraform

Benefits/Perks:

• Hybrid work arrangement
• Competitive compensation

At Experian, our people and culture set us apart. We're deeply committed to creating an environment where everyone feels they belong and can excel. From inclusion and authenticity to work/life balance, development, wellness, collaboration, and recognition, we focus on what truly matters. Our people-first approach has earned us global recognition: World's Best Workplaces 2024 (Fortune Top 25), Great Place To Work 2025 in 26 countries, and Glassdoor Best Places to Work 2024, among others.

Want to see what life at Experian is really like? Explore Experian Life on social or visit our Careers Site.

Experian is proud to be an Equal Opportunity and Affirmative Action employer. 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.

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