Head of Performance Engineering - Remote (UK & Ireland) | £100k We're building the next generation of capabilities that power our merchant-first ecosystem. With a hybrid multi-cloud / on-premise environment, our engineering teams deliver solutions at scale with observability, availability, and performance at the heart of everything we do. We're now hiring a Head of Performance Engineering to lead the design, strategy, and delivery of world-class performance testing across our platforms. This role combines hands-on technical leadership with strategic influence, working across Engineering, DevOps, and TechOps to ensure our systems are resilient, scalable, and built for growth. This is a fully remote role - you can be based anywhere in the UK or Ireland. What you'll be doing Owning the organisation-wide performance testing strategy (load, stress, soak) and growing this function from the ground up Designing and architecting dedicated performance test environments that mirror production at scale Building tools and frameworks to model production traffic and generate realistic load scenarios Partnering with Engineering and DevOps to adopt a shift-left approach, identifying risks early in the SDLC Providing performance insights, bottleneck analysis, and tuning recommendations to senior stakeholders Coaching and mentoring engineers to embed performance best practices into every product team Driving observability, monitoring, and SLA adherence, escalating where required What we're looking for 10 years' experience in performance testing complex enterprise systems 8 years leading within quality or performance engineering Proven experience designing replica production environments for high-throughput applications Strong technical expertise in JMeter, BlazeMeter, K6, Kibana, Cloudflare or similar tools Background with infrastructure as code (Terraform, Ansible, CloudFormation, Bicep) Hands-on experience testing APIs, services, databases (Oracle, PostgreSQL, MSSQL) at scale Strong understanding of DevOps, cloud (AWS/Azure/GCP), and modern CI/CD practices Excellent leadership, coaching, and stakeholder communication skills What's on offer Salary up to £100k depending on experience Fully remote - work from anywhere in the UK or Ireland High-impact leadership role shaping strategy in a scaling global fintech Collaborative culture with strong focus on innovation, growth, and career development Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering performance engineering Benefits: Work From Home bonus pension healthcare