401 to 425 of 753 Performance Optimisation Jobs in England

practices in software development. Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Help resolve complex software challenges and drive performance optimization. Provide technical direction and guidance to the development team, including code reviews, mentoring and ensuring the platform coding standards are being adhered to. Ensure that development processes and … to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance. Contact Philip Boltt at Lorien Global for more information. IND_PC1 Carbon60, Lorien 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 ❯

is a chance to work on meaningful, high-impact technology with a team that loves solving complex real-world challenges. What You’ll Be Doing Designing and developing high-performance embedded software in modern C++17 & Rust on Linux platforms Building real-time distributed systems that capture and analyse RF data at scale Working hands-on with cutting-edge hardware … curiosity is valued What You’ll Bring Essential: Strong C++ development skills (C++11/14/17) Strong familiarity with Linux systems Strong understanding of hardware interfaces, threading, and performance optimisation Nice to Have: Experience with Rust, or willingness to learn Background in RF systems, SDR, or signal processing Knowledge of networked or real-time systems Desire to … on offer up to £75k + benefits including: • Private medical insurance • 5% company private pension matching employee 5% • Electric Car Scheme • Cycle Scheme • 25 Days Holidays + BH • 10% performance related Discretionary Bonus For more information on this role, apply now or contact Kirstin at Avanti Recruitment. More ❯

components, data structures, communication protocols, and other technical details Identify potential technical risks and develop strategies to mitigate them, ensuring that the application is secure, robust and reliable Champion performance optimisation across the frontend stack while ensuring accessibility and observability are baked into all solutions Deeply committed to crafting intuitive, impactful, and optimised user experiences that turn complex … junior developers and contribute to technical decision-making within the squad What skills and experience do I need for this role? Proven experience architecting, developing, and delivering scalable, high-performance frontend applications Expert in JavaScript (vanilla, ES6+, & modern frameworks) Experience of headless SSG applications and GraphQL Delivery of performant, maintainable, and reusable code that adheres to best practices and More ❯

will drive their front end solution and will have 5-8 years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. More ❯

will drive their front end solution and will have 5-8 years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. More ❯

will drive their front end solution and will have 5-8 years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. More ❯

will drive their front end solution and will have 5-8 years experience working as Front End Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. More ❯

capabilities for better visibility, compliance, and threat management. Collaborate with engineers, architects, and service providers to deliver secure, high-quality outcomes using Scrum or Kanban. Oversee integrations, automation, and performance optimisation across complex environments. Prioritise and maintain backlogs, balancing innovation, resilience, and technical debt. Experience Needed: Proven experience as a Product Owner, Project/Technical Lead or even More ❯

on-prem) Application packaging: MSI , Intunewin , PowerShell , App-V Device security and compliance (BitLocker, baseline hardening, patching) Mobile Device Management: Apple Business Manager , Samsung Knox Endpoint monitoring, reporting, and performance optimisation 🌟 What we’re looking for 5+ years’ experience in EUC/Endpoint/Cloud Engineering Strong hands-on experience with Intune , AVD , and SCCM Proven ability to More ❯

on-prem) Application packaging: MSI , Intunewin , PowerShell , App-V Device security and compliance (BitLocker, baseline hardening, patching) Mobile Device Management: Apple Business Manager , Samsung Knox Endpoint monitoring, reporting, and performance optimisation 🌟 What we’re looking for 5+ years’ experience in EUC/Endpoint/Cloud Engineering Strong hands-on experience with Intune , AVD , and SCCM Proven ability to More ❯

develop new or improved core products. With only limited supervision, you manage, coordinate, and administer technical product initiatives. Main Duties Capturing, deriving and validating system requirements. System design, modelling, performance optimisation and safety assessment. Overseeing hardware/software integration activities. System verification including simulation, analysis, system tests, qualification tests and flight tests Supporting system certification and customer approval More ❯

technologies including Angular, Python, and C.NET as needed. Required Skills Strong proficiency in 4D development (preferably recent versions). Postgres experience is mandatory Experience in application maintenance, debugging, and performance optimization. Familiarity with Angular, Python, and C.NET is a plus. Ability to work independently and in a team-oriented environment. Preferred Qualifications Prior experience in large-scale 4D application More ❯

on role for someone passionate about AI innovation in regulated industries like banking. Architect and implement GenAI & Agentic AI features in the mobile app. Lead prototyping, fine-tuning, and performance optimization. Ensure compliance with global banking regulations (GDPR, FCA, MAS). Mentor engineering teams on AI architecture and emerging tech Deep expertise in GenAI, Agentic AI, and mobile app More ❯