Top Tech Jobs & Startup Jobs in London

Lead the design, development, testing, deployment, and maintenance of scalable promotions and rewards software. Guide engineering teams, make architecture and technical trade-off decisions, troubleshoot production issues, improve operational excellence, conduct code reviews, mentor engineers, and influence engineering best practices. Collaborate with product leaders and stakeholders while participating in planning, documentation, and on-call support. Occasional travel to offices, conferences, events, meetings, and team-building activities is required.

Own and deliver platform engineering projects across cloud infrastructure, Kubernetes, CI/CD, GitOps, and internal developer tooling. Improve reliability, scalability, observability, automation, cloud cost efficiency, and developer productivity. Partner with application and security teams, support incident response and on-call rotations, and mentor junior engineers.

Lead platform engineering strategy and hands-on delivery across highly available cloud infrastructure, CI/CD, developer tooling, security, observability, and incident management. Establish standards for AI-assisted software development, validate AI-generated code, measure productivity and quality, and influence engineering, product, and quantitative teams. Mentor engineers and drive cross-team initiatives focused on scalability, resilience, compliance, and operational excellence.

Develop and maintain enterprise dashboards, reports, and scalable data models. Responsibilities include data transformation, validation, reconciliation, governance documentation, reporting automation, KPI analysis, and BI asset optimization. The role partners with product managers, engineers, finance, compliance, and business stakeholders to improve reporting accuracy, communicate insights, and support product and strategic decisions.

Own the prediction markets product roadmap from discovery through launch and iteration. Define success metrics, use data to prioritize opportunities, manage tradeoffs, and collaborate with engineering, design, data, growth, and commercial teams to deliver consumer-facing digital products.

Build and maintain full-stack features for Fanatics Markets, including React, Next.js, TypeScript, and backend services in Go or other languages. Design scalable systems for markets, orders, and transactions; integrate APIs; implement experimentation, observability, testing, deployment, and monitoring. Collaborate with product, design, and platform teams, participate in code reviews, and use AI coding tools to deliver secure, reliable, high-quality production software.

Own end-to-end development of scalable full-stack experiences for a real-money prediction and trading platform. Design and implement React, Next.js, TypeScript, and backend services; build experimentation, observability, and deployment capabilities; conduct code reviews; collaborate cross-functionally; and establish effective AI-assisted development standards while helping shape an early-stage product.

Lead end-to-end development of high-performance, fault-tolerant backend services for a CFTC-regulated exchange. Responsibilities include modernizing Java systems, building order processing and market data services, managing trading data and reporting pipelines, ensuring observability and regulatory auditability, participating in 24/7 on-call, and applying AI coding tools while maintaining security, correctness, and reliability.

Design, build, test, deploy, and support scalable, secure, high-performance software within an event-driven architecture. Improve reliability, performance, testability, and operational metrics; collaborate with Product, Quant, and Engineering teams; participate in design reviews, documentation, mentoring, and on-call support. The role requires translating business needs into technical solutions and occasionally traveling for events and offsites.

Leads platform engineering initiatives across AWS cloud infrastructure, Kubernetes, CI/CD, GitOps, Infrastructure as Code, observability, and developer tooling. The role architects reliable and scalable platforms, improves developer productivity and operational excellence, partners with application teams, leads cross-team technical programs, mentors engineers, and participates in on-call rotations.