Software Developer (Applications Development)
TransUnion is a major credit reference agency offering specialist services in fraud, identity, and risk management, automated decisioning, and demographics. We support organisations across finance, retail, telecommunications, utilities, gaming, government, and insurance.
Responsibilities
* Design and build reliable backend systems and infrastructure tooling.
* Use TDD to write high‑quality, maintainable code and build 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 a similar backend language.
* Understanding of TDD and a focus on automated testing.
* 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 communication—both in writing and on calls.
Desirable Skills & Experience
* Experience owning backend systems in production environments.
* Experience with cloud platforms such as AWS or GCP.
* 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.
Benefits
* 26 days' annual leave plus bank holidays (increasing with service).
* Global paid wellness days off and a bonus day off to celebrate your birthday.
* Generous contributory pension scheme and access to the TransUnion Employee Stock Purchase Plan.
* Private healthcare and a variety of physical, mental and financial fitness wellbeing programmes, including access to mindfulness tools.
* Access to diversity forums and communities.
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