Lead software Engineer

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.

• Act as a technical lead for platform-owned microservices, setting architectural direction and best practices.
• Design, evolve, and improve scalable, resilient, and secure microservices architectures on AWS.
• Own and continuously improve existing platform services, addressing performance, reliability, scalability, and cost efficiency.
• Make and communicate technical trade-offs clearly to stakeholders and partner teams.
• Contribute to and shape the technical roadmap for the platform engineering team.

• Write high-quality, production-ready C#/.NET code using modern engineering practices.
• Build and maintain RESTful APIs and asynchronous, event-driven systems.
• Lead by example through code contributions, PR reviews, and design reviews.
• Ensure services meet non-functional requirements such as availability, latency, observability, and security.
• Drive test quality through unit, integration, and automated testing.

• Design and operate cloud-native services using AWS, including:
  • ECS / Fargate
  • Auto Scaling
  • SNS / SQS
  • DynamoDB
  • S3
• Own CI/CD pipelines and deployment strategies to enable safe, fast, and repeatable releases.
• Champion Infrastructure-as-Code, observability, and operational excellence.
• Partner with security teams to embed security controls and tooling into platform services.

• Coach, mentor, and support engineers across experience levels.
• Lead onboarding for new engineers and help raise the overall technical bar of the team.
• Promote best practices around clean code, testing, documentation, and operational readiness.
• Actively contribute to engineering standards, ways of working, and continuous improvement initiatives.

• Work closely with product engineering teams to understand their needs and unblock delivery.
• Collaborate with Product Owners and stakeholders to align platform capabilities with business goals.
• Influence engineering decisions beyond your immediate team through expertise and leadership.

• Strong experience with C# and .NET Core (6.0+)
• Deep understanding of microservices architecture
• Strong grounding in object-oriented design and SOLID principles
• Hands-on experience with Docker and containerised workloads
• Experience building and consuming RESTful APIs
• Strong testing mindset (xUnit, NSubstitute; TDD is a bonus)

• Proven hands-on experience with AWS, including:
  • ECS / Fargate
  • Auto Scaling
  • SNS / SQS
  • DynamoDB
  • S3
• Experience designing event-driven and distributed systems
• CI/CD pipeline experience (e.g. CodePipeline, GitHub Actions)

• Experience leading technical discussions, designs, and reviews
• Strong mentoring and coaching skills
• Experience working in agile delivery teams
• Comfortable balancing hands-on delivery with leadership responsibilities

• Experience with integration and automation testing tools (Postman, Cypress, Nightwatch)
• Knowledge of cloud security tooling (Veracode, AquaSec, Rapid7, etc.)
• Experience with observability tooling (logging, metrics, tracing)
• Exposure to platform or enablement teams in a microservices environment