1 to 25 of 112 Remote/Hybrid Performance Optimisation Jobs in the UK

Web Developer

Hiring Organisation
Searchability (UK) Ltd
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Developer Frontend Development, Web Performance, Accessibility, CMS Salary £40-50k Hybrid working - Chester Strong progression and learning opportunities Who We Are We are a technology-driven organisation building and maintaining modern, cloud-based web platforms that support both internal teams and external users. Web development plays a critical … experiences. Working closely with IT, product, and business stakeholders, our web team focuses on building high-quality, maintainable websites that follow best practice in performance, security, and accessibility. As our platforms continue to evolve, we're looking for a skilled Web Developer to help design, build, and improve ...

.NET Core Backend Developer

Hiring Organisation
EXL Service
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
that power enterprise-grade SaaS and analytics solutions, primarily within the insurance domain. Working in an agile, cloud-first environment, you will develop high-performance microservices, optimise database performance, implement robust security protocols, and contribute to architectural decisions that support scalable, resilient systems. This role offers the opportunity … third-party integrations Develop microservices aligned to modern architecture patterns Implement business logic, validation layers and data processing components Ensure optimal database performance across relational and non-relational systems Implement modern authentication and authorisation frameworks including OAuth2, SAML and JWT Develop secure, testable and reusable code aligned to best ...

Founding Account Executive

Hiring Organisation
Primis
Location
City of London, London, United Kingdom
chance to build something category-defining, this could be your role. About the company This business is a truth-first ad measurement and performance optimisation platform built for performance marketers who need attribution they can trust and act on. The platform connects ad platform APIs with first … They are already working with impressive early-stage logos across financial services (including global trading platforms and crypto exchanges), ecommerce, and telco. Measurement and performance optimisation is an evergreen, global problem now being reshaped by AI and the founders are building toward market leadership. About the role ...

Data Engineer

Hiring Organisation
Chesterfield Royal Hospital NHS Foundation Trust
Location
Sutton In Ashfield, NG17 4JL, United Kingdom
Salary
£43699.00 to £50361.00
line with interoperability and governance requirements. As priorities evolve, the postholder will work across areas such as system integration, platform development, pipeline optimisation and the enhancement of organisational data assets. This flexible approach ensures specialist engineering capability is deployed where it delivers the greatest benefit, supporting programme delivery … automation tools to streamline data processes. The EPR Data Engineer will provide technical support during testing phases, troubleshoot data-related issues, and contribute to performance optimisation of the EPR system. Compliance and Security The postholder will ensure that all data handling activities comply with NHS information governance standards ...

Technical Architect

Hiring Organisation
Harvey Nash IT Recruitment UK
Location
Chester, Cheshire, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
architecture, develop scalable analytics solutions, and stay hands-on. Responsibilities include delivering Fabric solutions (OneLake, Lakehouse, Warehouses, Power BI), leading architecture and performance optimisation, and enabling advanced analytics and machine learning with Fabric and Azure ML. Key skills and responsibilities: Design and deliver scalable, secure … data modelling, DAX, Python/PySpark, SQL/KQL. Proven record of technical leadership and effective stakeholder engagement. Lead architectural design, capacity planning, and performance optimisation efforts. Implement governance, security, and DevOps best practices. Lead a small team of data engineers and contribute to the development ...

WordPress Developer / Creative Site Builder

Hiring Organisation
One Design Group UK
Location
Newcastle Upon Tyne, England, United Kingdom
Translate design concepts into responsive, pixel-accurate builds Implement structured content using Advanced Custom Fields (ACF) Support WooCommerce, MemberPress and other plugin-based functionality Performance, Quality & Optimisation Ensure websites are fast, secure, accessible and SEO-friendly Manage updates, performance optimisation and overall site health Test across … development of basic web-based applications, tools or integrations Work with databases (MySQL) and APIs at a foundational level Follow best practices for security, performance and maintainability Digital Marketing & Content Support Assist with Google Ads and META (Facebook/Instagram) advertising campaigns Help build and send email newsletters ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial … orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. ...

Salesforce Marketing Cloud Manager

Hiring Organisation
Rocking Zebra
Location
Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
Delivery Design and deploy targeted campaigns using Email Studio and Automation Studio Support national marketing initiatives and regional campaigns Ensure brand consistency and campaign performance optimisation Data & Platform Management Manage data extensions, segmentation logic and subscriber management Work closely with Salesforce Sales Cloud stakeholders to maintain data accuracy … Monitor and resolve data sync or integration issues Insights & Performance Build dashboards and performance reporting Analyse journey performance, engagement and conversion metrics Provide actionable recommendations to improve campaign performance Governance & Best Practice Establish Marketing Cloud processes and documentation Support GDPR-compliant marketing activity Help train internal ...

Full Stack Engineer

Hiring Organisation
fulfilment.com
Location
Greater Bristol Area, United Kingdom
React and Next.js Ensure smooth integration between backend APIs and frontend components Integrate third-party APIs and internal services Apply best practices for security, performance, reliability, SEO, and accessibility Write clean, testable code with strong unit and integration test coverage (e.g. Jest, Cypress) Architecture & Technical Leadership Contribute to system … with React and Next.js Advanced proficiency in JavaScript and TypeScript Strong backend experience with NestJS and Node.js Hands-on experience with MySQL (schema design, performance tuning, indexing, migrations) Experience building RESTful and/or GraphQL APIs Experience with ORM frameworks such as TypeORM or Prisma Familiarity with Docker ...

SEO Manager

Hiring Organisation
Tribal Recruitment - The UK's Leading Digital & R2R Recruiters
Location
London Area, United Kingdom
best practice at scale Drive content strategy with a focus on high-intent, technical and product-led content Conduct keyword research, content briefs, and performance optimisation Monitor performance, report on impact, and iterate based on data What we’re looking for Proven experience as an SEO Manager ...

Senior Software Engineer - Front End

Hiring Organisation
mkodo
Location
Newcastle Upon Tyne, England, United Kingdom
implementation of projects or features of moderate to high complexity. Write production-quality, well-tested, maintainable code aligned with engineering standards. Ensure reliability, performance, security, and scalability across systems and platforms. Drive investigation and resolution of complex technical issues across the stack. Contribute to and lead technical projects spanning … practices. Support security and regulatory compliance (e.g., ISO27001, PCI where applicable). Adhere to secure coding and operational best practices. Ensure systems meet reliability, performance, and quality standards. Key Skills & Attributes: Core expectations Significant experience as a Senior Software Engineer or equivalent. Deep expertise in at least ...

Senior Software Engineer

Hiring Organisation
ATA Recruitment
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal ...

Senior Data Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
trading. Following the recent acquisition of a major energy trading and technology business, the firm has significantly expanded its capabilities in renewable power optimisation, analytics, and physical gas trading across international markets. They are now hiring a Senior Data Engineer to join their Technology Data, AI & UX team … working directly with front-office stakeholders and translating trading requirements into robust data solutions. What You’ll Be Doing Building and maintaining high-performance data pipelines ingesting structured and unstructured datasets from a variety of internal and external sources. Developing ingestion processes including scrapers, ETL pipelines, crawlers, streaming jobs ...

Lead Software Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
RESTful API design and authentication patterns Ability to balance hands-on delivery with technical leadership responsibilities Desirable Experience Multi-environment Azure architecture design Angular performance optimisation Designing role-based access control systems Cloud cost optimisation practices Exposure to penetration testing and secure SDLC processes Experience contributing ...

Frontend Developer

Hiring Organisation
ISL Talent
Location
City Of Bristol, England, United Kingdom
operational tools, and data visualisation platforms, transforming complex datasets into intuitive user experiences. This is a hands-on role where you’ll build high-performance, secure, and scalable interfaces used by large organisations across the UK and Europe. As the platform grows, you’ll play a key role … improving performance, enhancing accessibility, and developing intuitive, maintainable UI components. You’ll collaborate closely with product, data, and engineering teams while contributing to frontend architecture and best practices. What Success Looks Like Success in this role means building interfaces that are fast, reliable, and intuitive. Complex datasets will become ...

Senior .Net Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
trade-offs between ORMs and stored procedure-driven access. Ability to lead architectural decisions and evolve backend engineering practices. Excellent troubleshooting, debugging and performance optimisation skills. Strong communicator, able to collaborate effectively with engineering, product and offshore teams. Experience integrating services into CI/CD pipelines (GitHub Actions ...

Senior .Net Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
South West, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum (plus excellent company benefits)
trade-offs between ORMs and stored procedure-driven access. Ability to lead architectural decisions and evolve backend engineering practices. Excellent troubleshooting, debugging and performance optimisation skills. Strong communicator, able to collaborate effectively with engineering, product and offshore teams. Experience integrating services into CI/CD pipelines (GitHub Actions ...

Full Stack Web Developer

Hiring Organisation
LM RECRUITMENT SOLUTIONS LTD
Location
Stroud, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Exposure to headless CMS platforms and their integration into web application architectures. Experience with e-commerce platforms, CRM systems, or licensing integrations. Experience with performance optimisation and Nginx configuration. Personal Attributes Proactive problem solver with strong attention to detail. Enthusiastic about learning new technologies and tackling complex challenges. ...

Senior Front End Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
deliver highly user focused and successful digital services ensuring governance standards are adhered to Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide required ...

Senior Dynamics Developer

Hiring Organisation
Intellectual Property Office
Location
North East, Glasgow, UK
highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide ...

Senior Dynamics Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, UK
highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide ...

Senior Dynamics Developer

Hiring Organisation
Intellectual Property Office
Location
Newport-on-Tay, Fife, UK
highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide ...

Senior Software Engineer

Hiring Organisation
Tec Partners
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
onsite) Salary: Up to £100k + Bonuses DOE Are you a Senior Software Engineer who thrives on solving complex technical challenges and building high-performance systems? Join an innovative Cambridge-based team pushing the boundaries of their industry. You'll be part of a close-knit, highly collaborative engineering … engineers can learn, share ideas, and grow. As a Senior Software Engineer, you'll play a key role in designing, developing, and optimising high-performance applications. You'll collaborate with FPGA engineers, DevOps specialists, and fellow Senior Software Engineers to deliver integrated solutions, while contributing to architectural discussions that ...

DevOps Tech Lead

Hiring Organisation
Rebel Recruitment
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
similar) Monitoring stack exposure (Prometheus, Grafana, Azure Monitor, etc.) Strong communication across tech & non-tech stakeholders Bonus points for: FinOps/cloud cost optimisation Zero-trust/secrets management Event-driven systems & distributed architecture CDN & performance optimisation knowledge You think strategically, You execute practically and you hold ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Liverpool, England, United Kingdom
improve existing functionality Collaborate with engineers and cross-functional stakeholders to deliver innovative technical solutions Ensure software is built to high quality and performance standards Contribute to technical documentation, specifications, and architectural discussions Identify opportunities to improve performance, scalability, and system efficiency Requirements 5+ years of professional software … development experience Strong software engineering fundamentals and computer science knowledge Experience developing or implementing algorithms and optimisation techniques Commercial experience with computer vision technologies (OpenCV or similar) Ability to design and implement complex algorithmic solutions Strong understanding of performance optimisation, bottlenecks, and efficient code design Experience with ...