Senior Platform Engineer

Senior Platform Engineer 🌍 Location: Holborn, London ⭐ Office Policy: Hybrid: 3 days a week in office Who We Are At Omaze, we give our community in the UK and Germany the chance to win luxury homes and other life-changing prizes — all while raising money for the causes they love. Thanks to our Omaze Community, we’ve raised over £100 million for UK charities in just five years. That’s millions helping organisations like Age UK, the RSPCA, British Heart Foundation and Great Ormond Street Hospital Charity deliver life-saving work. And the best part? We’re only just getting started. Omaze is building a business and culture committed to growth and creating significant social impact on a global scale. Why You’ll Love Working at Omaze Growth: Omaze is one of the fastest-growing companies in the world. Impact: Join a team of world changers dedicated to creating a ripple effect of good. Pioneering: Be part of something no one has done before. Culture: We work hard, grow together, and spread joy along the way. 🔑 About The Job As a Senior Platform Engineer at Omaze, you take genuine ownership of the infrastructure and reliability foundations that everything else depends on. You're experienced across AWS, particularly Lambda, API Gateway, DynamoDB and the serverless patterns that underpin our platform. You know how to build and maintain infrastructure that's secure, observable, cost-efficient at scale and globally distributed. You work in code - IaC isn't an afterthought for you, it's how you think. You bring the kind of judgement that comes from having run production systems under real pressure, and you apply that same rigour to the developer experience because a platform team that makes engineers faster is a force multiplier for the whole organisation. 🔧 What You'll Be Doing Own the design, implementation, and evolution of Omaze's cloud infrastructure on AWS, Lambda, API Gateway, and surrounding services, written and maintained as code using CDK and / or Terraform. Build a