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Senior Systems Developer

TransUnion is a major credit reference agency offering specialist services in fraud, identity and risk management, automated decisioning and demographics.
Alderley Edge SK9, UK
Backend
Senior Software Engineer
Hybrid
5,000+ Employees
5+ years of experience
Finance · Enterprise SaaS

Description For Senior Systems Developer

TransUnion, a global information and insights company, is seeking a Senior Systems Developer to join their Integrations and Decisioning team. This role offers an exciting opportunity to work with a major credit reference agency that specializes in fraud, identity, and risk management solutions. As a Senior Systems Developer, you'll be responsible for designing and building reliable backend systems, implementing TDD practices, and driving improvements in system architecture. The position offers a hybrid work arrangement with a minimum of two days in the office, comprehensive benefits including health care and equity options, and a strong focus on work-life balance. The ideal candidate will bring strong Node.js expertise, cloud platform experience, and excellent problem-solving abilities. TransUnion emphasizes professional growth, offering mentorship opportunities and a supportive environment for career development. The company's global presence, serving various sectors including finance, retail, and telecommunications, provides exposure to diverse, challenging projects. They promote an inclusive workplace culture and offer flexible working arrangements to accommodate different needs and responsibilities.

Last updated a month ago

Responsibilities For Senior Systems Developer

  • 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

Requirements For Senior Systems Developer

Node.js
  • 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

Benefits For Senior Systems Developer

Medical Insurance
Dental Insurance
Vision Insurance
401k
Mental Health Assistance
Equity
  • 26 days annual leave + bank holidays (increasing with service)
  • Global paid wellness days off + birthday bonus day
  • Contributory pension scheme
  • TransUnion Employee Stock Purchase Plan
  • Private health care
  • Physical, mental and financial fitness wellbeing programmes
  • Access to mindfulness tools
  • Access to diversity forums and communities

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