Job Description
What We'll Bring:
We Are TransUnion:
TransUnion is a major credit reference agency, and we offer specialist services in fraud, identity and risk management, automated decisioning and demographics. We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance.
What You'll Bring:
We’re looking for a Senior Systems Developer to join our growing Integrations and Decisioning team.
Day to Day You’ll Be:
* Design and build reliable backend systems and infrastructure tooling
* Use TDD to write high-quality, maintainable code and build out automated test suites
* Own reliability, observability, and performance of key services
* Collaborate with clients to understand requirements, debug issues, and propose solutions
* Drive improvements to system architecture, automation, and deployment processes
* Mentor junior developers and contribute to a strong engineering culture
* Take ownership of problems—investigate, iterate, and fix
Essential Skills & Experience:
* Strong programming skills in Node.js or similar backend language
* Deep understanding of TDD and a strong focus on automated testing
* Experience with Cloud Platforms AWS or GCP
* Experience owning backend systems in production environments
* Comfort working directly with clients to gather requirements and debug issues
* Strong problem-solving skills and a desire to understand the root cause of complex issues
* Clear communicator—both in writing and on calls
Desirable Skills & Experience:
* Infrastructure-as-code, CI/CD, and observability tooling
* Experience scaling systems under sustained load
* Contributions to internal tooling or open source
* Experience with large datasets and machine learning models
Impact You'll Make:
What’s In It For you?
At TransUnion you will be joining a friendly, forward thinking global business.
As well as an excellent salary and bonus scheme or commission scheme (if joining our sales teams) our benefits package comes with:
1. 26 days’ annual leave +