5 of 5 Remote Performance Tuning Jobs in the City of London

a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries. In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring. This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and … technology. The Role: *Owning React application reliability, observability, and performance in production environments *Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks *Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry) *Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and More ❯

Act as SME for server virtualisation, storage integrations, HA/DR, and migration planning Work closely with clients to define technical requirements and provide architectural guidance Conduct health checks, performance tuning, and capacity planning of virtual environments Migrate legacy systems to modern virtual infrastructure (vSphere/Hyper-V to Azure, etc.) Document and support all solutions including HLDs More ❯

openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯

openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯

In this role you'll take ownership of platform reliability, resilience engineering, and incident management across cutting-edge cloud infrastructure. You'll play a key role in ensuring uptime, performance, and continuous improvement of core systems. The ideal candidate will be an experienced Site Reliability Engineer with a deep background in AWS, Kubernetes (EKS), Terraform, and monitoring/eventing … tools. You'll have a strong grasp of application-level troubleshooting, chaos engineering, and performance tuning. This is a fantastic opportunity to work in a modern DevOps environment where innovation is encouraged, personal development is supported, and technical impact is real. The Role: *Manage and optimise AWS and Kubernetes (EKS) infrastructure *Implement resilience strategies and conduct chaos engineering experiments … Monitor and maintain Kafka clusters for performance and reliability *Respond to and resolve application-level production incidents The Person: *5+ years in SRE, DevOps, or infrastructure engineering *Strong experience with AWS, EKS/Kubernetes, and Terraform *Familiar with Kafka and observability tools like Datadog or Grafana *Able to troubleshoot issues across infrastructure and application layers Reference number: BBBH(phone More ❯