Chief Technology Officer (CTO) - Durlston Partners - London, United Kingdom

Working with a leading trading technology company operating an ultra-low-latency algorithmic trading engine for institutional participants in the digital asset space. They’ve built something genuinely impressive — now they need the right person to own and scale it. This is not a management role. Expect to be ~90% hands-on (writing code, owning the architecture, leading on security, and driving the product roadmap in lockstep with the CEO). You’ll lead a small, senior team as a playing coach. They don’t need managing. They need a technical peer who leads from the front. Own the full technology vision, platform architecture, and engineering standards. Hands-on development, writing code, reviewing PRs, debugging production, shipping features. Drive the product roadmap with the CEO, own prioritisation and trade-offs. Take full ownership of information security posture and regulatory compliance. Tech environment spans backend development, cloud infrastructure (Kubernetes, Terraform), CI/CD, DevSecOps, and enterprise security (IAM, OAuth 2.0, OIDC). Fintech or digital asset background is a strong plus (but attitude and depth matter most).