251 to 275 of 349 Remote Performance Tuning Jobs

leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯

leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯

leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯

upgrading where necessary and preventing any disruptions. Key Responsibilities: Conduct a full health check of existing database systems Identify and implement upgrades or fixes to prevent downtime Ensure optimal performance and security across platforms Collaborate with UK and offshore teams Requirements: 7+ years proven DBA experience (SQL Server preferred) Strong troubleshooting and performance tuning skills Ability to More ❯

result without friction. You'll have room to experiment, try new approaches, and design systems in a place that backs bold thinking. Key Responsibilities: Build, run, and improve high-performance GPU training and inference clusters with a focus on reliability and automation Design and implement high-throughput data paths, including work on caching, I/O, and data locality … across compute and storage Benchmark, profile, and fix performance issues across compute, network, and orchestration layers Set up clear observability, resilience, and security controls for sensitive research environments Work with Research, Data, and Applied teams to plan GPU and storage capacity and support smoother ML experimentation Technical Skills: Strong experience designing and operating large-scale ML compute clusters Good … understanding of GPU architecture, high-speed networking, and performance tuning for distributed training Experience with modern containerised systems and migrations from traditional schedulers Knowledge of high-throughput storage systems for ML or HPC workloads Solid experience with IaC and CI/CD (Terraform, Argo CD, or similar) What's on Offer: Salary packages competitive with FAANG businesses An More ❯

s Logging, Monitoring, and Alerting (LMA) capability, working on the design, maintenance, and optimisation of Elastic stacks and clusters. The role requires hands-on experience with data ingestion pipelines, performance tuning, and building effective visualisations from large data sets. Key Skills & Experience: 2+ years as an ELK SME (Elastic, Logstash, Kibana) Proven experience designing, managing, and tuning More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

need exceptional C++ engineers to join the team and make an impact from day one. As part of a world-class engineering team, you’ll design and optimise high-performance software that impacts users at global scale. You’ll work in an environment that values innovation, technical depth, and collaboration across disciplines. You’ll bring: 3+ years of professional … experience with modern C++ Exceptional academics with a degree in Computer Science, Maths, or Physics Expertise in systems programming, performance tuning, and scalability A passion for building efficient, reliable software that drives real-world impact If you want to build technology at scale and shape the future of how people connect and interact, we’d love to hear More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯