26 to 50 of 85 Remote Performance Optimisation Jobs

React JavaScript Developer

Hiring Organisation
Proactive Appointments
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 80,000 Annual
Gateway, Lambda, SQS, RDS, and related services) Knowledge of CI/CD pipelines, Git, and Docker Strong grasp of secure coding practices and performance optimisation Excellent problem-solving and collaboration skills in a remote-first environment React JavaScript Developer - Remote Due to the volume of applications received ...

Lead Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, UK
Employment Type
Full-time
highly user focused and successful digital services ensuring governance standards are defined and adhered to. Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders ...

Lead Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
highly user focused and successful digital services ensuring governance standards are defined and adhered to. Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders ...

Senior Analytics Engineer

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
/CD best practice. Partner with analysts and data scientists to deliver performant and reliable datasets. Implement data quality monitoring, validation processes, and performance optimisation. Support AI initiatives by designing AI marts, feature engineering structures, and ML-ready datasets. Contribute to standardised KPIs, metadata, and a single source ...

AI / Machine Learning Engineer

Hiring Organisation
Lockheed Martin
Location
stratford, connecticut, united states
Assist in designing and building innovative software applications with intuitive user experiences, primarily using Python and occasionally C/C++ for hardware interfacing or performance optimization. • Utilize deep learning models for a variety of AI/ML use cases. • Create and curate high quality datasets to support model development ...

Frontend Developer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£50000/annum
deliver new features focused on accessibility, usability and performance. Maintain and enhance existing codebases, including bug fixes, refactoring and new feature development. Optimise frontend performance and ensure consistent, accessible user experiences. Essential Skills & Experience 3+ years' experience with a modern JavaScript framework (ideally Vue.js). Strong understanding of frontend … CSS3, Flexbox and Grid. Proficient with Git and version control workflows. Ability to translate design mockups into clean, responsive interfaces. Understanding of accessibility and performance optimisation best practices. Confident using browser dev tools for debugging. Comfortable working in an Agile environment. Strong organisational skills and ability to manage ...

Python Data Engineer - Hedgefund

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£123256 - £147908/annum + Bonus & Benefits Package
experience with AWS services (S3, Glue, Lambda) and Databricks. Solid understanding of financial market data, particularly time-series. Knowledge of data quality frameworks and performance optimisation techniques. Degree in Computer Science, Engineering, or related field. Preferred Skills SQL and relational database design experience. Exposure to quantitative finance … trading environments. Familiarity with containerisation and orchestration (Docker, Kubernetes). What We Offer Competitive compensation and performance-based bonus. Hybrid working model: 2 days per week on-site in London. Opportunity to work on mission-critical data systems for a global hedge fund. Collaborative, high-performance culture with ...

Lead DevOps Engineer

Hiring Organisation
Fruition Group
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
team of engineers Align DevOps capabilities with the wider business Champion DevEx, reliability, and security Embed operational excellence and incident response Promote observability and performance optimisation Lead DevOps Engineer Requirements Proven line management experience Cloud-native expertise (any cloud provider is fine: GCP, AWS or Azure) Knowledge ...

Senior Front End Developer

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role in shaping the UI across both … design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that's improving performance, enhancing accessibility, or leveraging tools like Storybook, Vite, and cutting-edge AI workflows. As a senior engineer, you'll help define the future ...

Web Developer

Hiring Organisation
Noir
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They … maintain a reusable component library and manage CSS architecture, responsive layouts, and theming. Ensure accessibility and semantic HTML standards are met. Optimise front-end performance, applying modern best practices. Implement client-side authentication flows and manage secure sessions. Write and maintain front-end tests covering key user journeys. ...

Shopify Tech Lead - Leeds

Hiring Organisation
Searchability
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Lead - Up to £55,000 - Hybrid - Leeds We're looking for an experienced Shopify Tech Lead to join a growing digital team delivering high-performance ecommerce solutions. This is a hands-on leadership role where you'll own Shopify projects end-to-end while mentoring developers and frontend best … technical authority on Shopify, providing guidance, code reviews and mentorship Collaborate closely with branding, QA and Project Management Drive standards, tooling and performance optimisation across projects What You'll Bring Strong commercial experience working with Shopify at a senior or lead level Expert knowledge of Shopify Liquid, HTML ...

Chief Technology Officer (CTO) - Hands-On Back-End Developer

Hiring Organisation
Morris Sinclair Recruitment
Location
REMOTE, St James's Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £150000/annum
environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge ...

Chief Technology Officer CTO - Hands-On Back-End Developer

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £150,000 per annum
environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge ...

Principal Software Engineer - Frontend

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
data-driven guest experiences from the ground up. What you'll be doing: Set the technical vision and architectural direction for frontend systems, ensuring performance, scalability, and maintainability across complex products. Lead design and delivery of modern, component-based web applications built with TypeScript, React, and Redux, integrating seamlessly … software development, including experience in a lead or principal engineering capacity. Deep expertise in React, TypeScript, and modern frontend architecture (state management, component design, performance optimisation). Strong understanding of cloud-based infrastructures (GCP, AWS, or Azure) and how frontend systems integrate with distributed backends. Proven ability ...

Principal Front End Engineer (React)

Hiring Organisation
Daniel James Resourcing Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
technology decisions across the product suite. What Youll Bring Expert-level experience in React, TypeScript, and modern JavaScript frameworks. Strong understanding of API integration, performance optimisation, and modern UI engineering. Solid grasp of cloud-based development (preferably Azure) and familiarity with DevOps pipelines (e.g., GitHub Actions). Exposure ...

React Developer

Hiring Organisation
FBI &TMT
Location
Spalding, Lincolnshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
applications built on React and React Native, supported by scalable API-driven services. Collaboration with cross-functional teams will be key to ensuring high-performance, accessible, and SEO-compliant applications. Key Responsibilities Building responsive web interfaces using React and mobile apps with React Native. Developing modular, cloud-ready APIs … microservices. Integrating with headless CMS and modern commerce platforms. Ensuring optimal performance, accessibility, and SEO standards. Contributing to a cross-platform design system and component library. Working in an Agile environment alongside designers, architects, and product teams. Job Requirements Proven hands-on experience with React and React Native. Strong ...

Senior .Net Developer

Hiring Organisation
Morris Sinclair Recruitment
Location
REMOTE, St James's Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial ...

Senior .Net Developer

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial ...

Senior Java Engineer - Dublin, Hybrid

Hiring Organisation
Tiger Resourcing Group
Location
United Kingdom
Employment Type
Permanent
Salary
EUR 80,000 Annual
event-sourced components. Collaborate with architecture and compliance teams to enhance cross-border transfer capabilities. Participate in code reviews, technical design sessions, and performance optimization efforts. Troubleshoot production issues and support platform stability initiatives. Required Skills & Experience Strong Back End engineering experience with Java, Spring Boot, Hibernate, Maven. Proven ...

PHP Developer

Hiring Organisation
Addition
Location
Leicester, Leicestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Maintaining and enhancing a bespoke internal system covering CRM, stock management, and helpdesk functions. Building new features and integrations to expand platform capability. Improving performance, stability, and user experience across the application. Supporting front-end development using Vue.js and contributing to UI improvements. Collaborating closely with internal users … from spec to deployment. Good problem-solving skills and a collaborative approach to work. Nice-to-have: exposure to AWS deployments, performance optimisation, and tools like Envoyer or Vuetify. What’s in It for You: A business that genuinely invests in its people and culture. Pre-defined career ...

Senior Architect - API

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
architectures and messaging strategies to power automation and connectivity across the enterprise. Provide technical leadership for large-scale, complex applications - from conceptual design to performance optimisation. Influence strategic decisions across cloud-native , SaaS , and on-premises environments. Collaborate with senior stakeholders, delivery teams, and other architects to ensure alignment ...

Web Manager

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
Linford Wood, Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
strategies to improve visibility, engagement, and conversion. Coordinate with digital agencies to deliver impactful marketing campaigns and web enhancements. Monitor and report on website performance, traffic, and user behaviour using analytics tools. Execute minor technical updates and troubleshoot basic web issues internally. Collaborate with internal teams to support marketing … product/service initiatives. Stay informed on digital trends and recommend improvements aligned with business goals. Key Performance Indicators: Growth in organic traffic, user engagement, and conversion rates. Improved search engine rankings and website performance metrics. Positive ROI from digital marketing campaigns and agency partnerships. Consistency in brand ...

Software Engineer

Hiring Organisation
Naimuri
Location
Portsmouth, England, United Kingdom
NodeJS Experience of full stack development. Proficiency with version control systems (e.g., Git). Awareness of software development best practices, including testing, debugging, and performance optimization. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills, with the ability to work effectively in a team environment. … 00pm and our office hours are between 7:30 and 18:00 Monday to Friday. Benefits include: Flexible/Hybrid working options A company performance related bonus Pension matched 1.5x up to 10.5% AXA group 1 medical cover Personal training budget Holiday buy-back scheme A flexible benefits scheme ...

Senior Embedded Software Engineer Contract Remote (UK)

Hiring Organisation
DCV Technologies Limited
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £35 to £60 per hour
technologies Full UK remote working Quick interview turnaround Ideal Candidate An engineer who thrives in low-level embedded environments, enjoys hardware interaction, debugging and performance optimisation, and has hands-on experience across SoC, drivers and high-speed communications. ...

Site Reliability Engineer

Hiring Organisation
Searchability
Location
Wigan, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
with three days a week onsite in Greater Manchester* Modern SRE environment with cloud-native tooling (AWS, Kubernetes, Terraform)* High-availability digital platforms and performance-critical workloads ABOUT THE CLIENT We're supporting a well-established UK organisation recognised for operating large-scale, high-availability digital services. With continued … culture with collaboration across product, operations and platform teams THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, performance and scalability of critical digital platforms. You'll monitor production systems, refine SLAs/SLOs and error budgets, design scalable solutions, improve architecture through ...