Performance Optimisation Jobs in the UK

51 to 75 of 859 Performance Optimisation Jobs in the UK

Lead Software Engineer

United Kingdom
Hybrid / WFH Options
83zero Limited
and mentor engineers, with hands-on leadership experience. A track record of process improvement and driving engineering best practices. Excellent communication and collaboration skills. Nice-to-haves: Knowledge of performance optimization and scalability techniques. Experience with modern CI/CD pipelines and DevOps practices. If you're a front-end expert who thrives on building great products while leading More ❯
Employment Type: Permanent, Work From Home
Posted:

Principal Platform Architect

United Kingdom
Lemongrass
health visualization, config UIs). Integrate AI/ML-driven features into the UI to enable predictive or contextual automation suggestions. Own front-end CI/CD best practices, performance optimization, and automated testing. Provide technical leadership and mentorship to UI developers working on LCP modules. Qualifications Required: 5+ years experience in modern front-end engineering with expert-level More ❯
Posted:

Principal Platform Architect

Guernsey, UK
Lemongrass
health visualization, config UIs). Integrate AI/ML-driven features into the UI to enable predictive or contextual automation suggestions. Own front-end CI/CD best practices, performance optimization, and automated testing. Provide technical leadership and mentorship to UI developers working on LCP modules. Qualifications Required: 5+ years experience in modern front-end engineering with expert-level More ❯
Employment Type: Part-time
Posted:

Principal Software Engineer

United Kingdom
Hybrid / WFH Options
OpenSolar
systems, ensuring long-term maintainability and scalability. Collaborate with product managers, designers, and engineering leadership to define and drive technical strategy and roadmap. Lead cross-functional technical initiatives, including performance optimisations, system refactoring, and migrations. Establish and enforce engineering best practices across the organisation (code quality, security, testing, CI/CD). Mentor and coach engineers and senior engineers More ❯
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SQL Database Administrator

Sunderland, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Reed
role: High Availability and Disaster Recovery: Configure and maintain solutions like SQL Server Always On Availability Groups to ensure business continuity. Develop and test database backup and recovery procedures. Performance Optimisation: Identify and address performance bottlenecks, optimise queries, and fine-tune system configurations for optimal performance. Development: Support the development of integration solutions and contribute to improvements More ❯
Employment Type: Full-Time
Salary: £50,000 per annum
Posted:

SQL DBA 4.5 day work week

Sunderland, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Reed
role: High Availability and Disaster Recovery: Configure and maintain solutions like SQL Server Always On Availability Groups to ensure business continuity. Develop and test database backup and recovery procedures. Performance Optimisation: Identify and address performance bottlenecks, optimise queries, and fine-tune system configurations for optimal performance. Development: Support the development of integration solutions and contribute to improvements More ❯
Employment Type: Full-Time
Salary: £50,000 per annum
Posted:

Staff Engineer

England, United Kingdom
Hybrid / WFH Options
JSS Search
and security. Collaborate with Architecture, InfoSec, and Delivery teams to ensure cohesion across the wider technology ecosystem. Mentor engineers, driving capability growth and continuous improvement. Tackle technical constraints, optimise performance, and manage technical debt to ensure sustainability. What We’re Looking For Proven experience in a Senior or Staff Engineer position, ideally within web and mobile application development. Insurance … modern deployment pipelines. Strong knowledge of cloud-native environments (GCP or Azure preferred). Familiarity with containerisation and infrastructure tools such as Docker, Kubernetes, Helm, and Terraform. Expertise in performance optimisation, caching, and monitoring. A solid understanding of secure coding practices and OWASP guidelines. Desirable: Exposure to Guidewire Software (PolicyCenter, BillingCenter) and mobile frameworks like Ionic Capacitor. You More ❯
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Lead Risk Developer

London Area, United Kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

london, south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Front-End Developer

Gatwick, West Sussex, England, United Kingdom
Hybrid / WFH Options
William Reed
gap between visual design and technical functionality and escalating critical gaps in project requirements or processes, when necessary, to proactively address issues Testing and debugging designs to ensure seamless performance and adherence to accessibility standards (e.g. WCAG compliance) Optimising website performance to meet Core Web Vitals benchmarks, including Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative … Layout Shift (CLS) Leveraging modern development techniques such as lazy loading, efficient asset management, and CSS/JS optimisation to enhance user experience and speed Working alongside testers in UAT to ensure our products work as intended Efficiently triaging and managing assigned tickets, maintaining accurate statuses and progress commentary to ensure team alignment Documenting all technical processes, methodologies, and … clarity on requirements and expectations within the Jira workflow Staying up-to-date with the latest web technologies, browser capabilities, and best practices to ensure designs meet or exceed performance expectations Ensuring smooth team operations by handling administrative tasks, such as coordinating team meetings, monitoring workloads, and resolving blockers to maintain project momentum What you’ll need: Strong experience More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Development Manager (Umbraco Specialist)

Spalding, Lincolnshire, England, United Kingdom
Hybrid / WFH Options
Clear IT Recruitment Limited
day-to-day coding, solution design, and debugging • Work across front-end (HTML, CSS, JavaScript, Razor) and back-end (.NET/C#) development • Implement best practices in code quality, performance optimisation, and security • Conduct code reviews, sprint planning, and technical estimations • Collaborate with clients to gather requirements and offer technical insight • Oversee DevOps processes including CI/CD More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Senior API / PHP Developer - Fully Remote (UK) - £80,000+

West London, UK
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer - Fully Remote (UK) - £80,000+

Central London, UK
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

City of London, London, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

East London, London, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

London Area, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Leigh, Greater Manchester, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Bury, Greater Manchester, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Leeds, West Yorkshire, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Altrincham, Greater Manchester, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Bolton, Greater Manchester, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:

Senior API / PHP Developer – Fully Remote (UK) – £80,000+

Central London / West End, London, United Kingdom
Hybrid / WFH Options
Venchr
that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong knowledge of relational databases such as MySQL or PostgreSQL Experience with asynchronous processing, caching, and queue systems (e.g., Redis, Horizon) Solid understanding of modern development practices — Git More ❯
Posted:
Performance Optimisation
10th Percentile
£50,000
25th Percentile
£63,438
Median
£77,500
75th Percentile
£95,000
90th Percentile
£120,000