51 to 75 of 228 Performance Optimisation Jobs in the UK

code quality through unit and integration testing with Vitest and React Testing Library . Participate in code reviews and contribute to architectural decisions. Optimize performance and troubleshoot issues across various browsers and devices. What You Bring: Required Skills & Experience: Experience developing modern web applications with React and TypeScript . … delivering high-quality service. Preferred Qualifications: Experience with schema validation using Zod . Familiarity with component documentation tools (e.g., Storybook ). Understanding of performance optimisation techniques for large-scale applications. Experience developing frameworks and tools specific to AI/ML Familiarity with cloud platforms and development in cloud ...

React/Redux front end, working with complex datasets, real-time dashboards, and advanced visualisations. You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders. The company's mission ...

with the modern data stack, including dbt, Airflow (or similar) and Python Solid experience with AWS and/or Azure Strong SQL skills and performance optimisation experience Familiarity with CI/CD, DevOps and DataOps practices Confident communicator, comfortable engaging with senior technical and non-technical stakeholders Nice ...

solver, quick learner, clear communicator who thrives independently and in teams. Desirable: Nuxt.js, CI/CD, headless CMS, e-commerce/CRM/licensing, performance optimisation/Nginx. This is a UK-based role, mainly remote with occasional Stroud office days for collaboration. You'll ideally live within ...

governance, and actionable insights across the business. You will lead a team responsible for building and maintaining data models, pipelines, and workflows that enable performance optimization and strategic decision-making. The role requires balancing hands-on technical contributions with managerial oversight, ensuring high standards of delivery and continuous improvement. ...

complete over 400,000 repairs, helping to keep tenants safe, properties performing and owners fully compliant. We are looking for a Data Analyst - Bid Performance & Insight to strengthen our bid and growth capability through high-quality data analysis, insight and evidence. Reporting to the Bid Director, this role plays … critical part in understanding why we win and lose work, identifying trends in tender feedback, and translating performance data into compelling, evidence-led bid submissions. You will work closely with bid writers, operational leaders and commercial teams to ensure our bids are data-driven, credible and differentiated. This ...

global law firm to recruit a Senior SharePoint and SQL Subject Matter Expert on a permanent basis. This role will focus on the ownership, optimisation and ongoing development of the firm’s SharePoint and SQL platforms, spanning both on-premise and Azure cloud environments. You will play … senior SME for SharePoint and SQL platforms, providing expert technical leadership across on-premise and Azure cloud environments. Lead platform upgrades, migrations, deployments and performance optimisation initiatives. Manage and optimise SQL databases supporting SharePoint and wider business applications, including performance tuning and reliability improvements. Collaborate with ...

C#/.NET Drive adoption of clean coding practices, design patterns, and SOLID principles Mentor engineers, fostering a culture of growth, learning, and high performance Collaborate with product owners to refine requirements and translate them into technical solutions Integrate automation testing (Playwright) and CI/CD pipelines to ensure … code quality Lead technical discussions, setting direction on tools, frameworks, and approaches Troubleshoot and resolve complex technical challenges across backend services Optimise system performance and ensure resilience across platforms Review code and guide engineering standards across the team Contribute to product strategy by aligning technical roadmaps with business goals ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

used by Sales and Trading Partner closely with FX Traders, Sales, and Quant/Tech teams to define requirements and deliver solutions Deliver high-performance, responsive UIs suitable for latency-sensitive trading environments Collaborate with global development teams across London and Asia Contribute proactively to product evolution and platform … within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend ...

used by Sales and Trading Partner closely with FX Traders, Sales, and Quant/Tech teams to define requirements and deliver solutions Deliver high-performance, responsive UIs suitable for latency-sensitive trading environments Collaborate with global development teams across London and Asia Contribute proactively to product evolution and platform … within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend ...

aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more... WHAT WILL YOU BE DOING? In this role, you’ll play a key part … while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you’ll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You’ll also create ...

month contract role - Head of Performance Ops - high-growth Series A SaaS brand🚀 📅 5+ years in social ad operations, campaign management, or performance marketing 📈 A/B testing & systematic experimentation at scale is a MUST 🖥️ Experience with analytics tools (Google Analytics, Looker, Tableau, SQL) 🎯 Proven track record … improving performance metrics through data-driven testing 🔧 Experience building operational processes from scratch 🫂 Strong understanding of community-driven marketing ⏱️ Immediate start 📍 London, Hybrid - 2 days 🗓️ 6 Month Contract 💵 £450-£500/day Outside IR35 💡First hire to establish the Programme Operations function 🚀 Brand advocacy space with 60+ enterprise brands ...

Supporting cloud-ready services using containerisation and AKS What we’re looking for: Strong experience with C# and .NET Core Solid SQL Server and performance optimisation skills Experience with Entity Framework Core and/or Dapper Background in API-driven or SaaS environments Exposure to Docker/Kubernetes ...

founders, designers, and backend engineers. Own the mobile platform strategy and technical decisions for our migration to native. An innovator : Push boundaries with native performance optimisation, offline-first architecture, background audio processing, and mobile ML integration for thousands of financial advisors. We're looking for: In addition ...

experience developing design systems is an advantage). Experience working with .NET-based CMS platforms. Experience developing for e-commerce platforms. Working knowledge of performance optimisation, testing, and code quality best practices. Strong understanding of accessibility standards and best practices. Experience using Git for version control and deployment. ...

solution design through to testing, release, and operational support A track record of maintaining high engineering standards, including clean architecture, automated testing, observability, and performance optimisation Ability to break down complex technical challenges, evaluate trade-offs, and make robust engineering decisions - without needing close direction Experience contributing within ...

secret management solutions (CyberArk Conjur, CyberArk Secrets Hub, cloud-native secret stores). Provide Tier 3 level support for escalations, complex troubleshooting, and platform performance optimization. Qualifications Expertise with CyberArk platforms , including PAS, EPM, Conjur, WPM, and advanced modules (SIA, CSA). Experience securing cloud environments (AWS, Azure ...

week. We are happy to discuss flexible working! Top 3 skills needed for this role: Strong analytical toolkit Operational & stakeholder influence Real-time performance optimisation What this role is all about: In this role, youll be the dedicated analytical partner for our D2C teams, working with leaders across … Telesales to enhance our operational reporting and deliver proactive deep-dive analysis. Using rich data sets spanning resource planning, productivity, real-time adherence, campaign performance and commercial metrics, youll help unlock opportunities to drive efficiency and elevate results across the contact centre. Key Actions Accountable for driving ...

looking for an experienced React/Next.js Developer to join us on a short-term contract to help deliver and enhance a modern, high-performance web application. You’ll be working closely with product and design to build clean, scalable, user-focused features. This is a great opportunity … using React and Next.js Translate designs and requirements into high-quality, maintainable code Work with APIs and backend services to integrate frontend functionality Optimise performance, accessibility, and SEO where required Collaborate with designers, product owners, and other developers Participate in code reviews and maintain coding standards Required Skills & Experience ...

detail-oriented Web Developer & Digital Experience professional to join their global marketing function. This role will take ownership of multiple WordPress websites, enhancing functionality, performance and user experience across international markets. You will work closely with creative and marketing teams to translate design concepts into engaging, responsive digital experiences … internal communications platforms and email marketing templates within Salesforce Marketing Cloud. Key Responsibilities Manage and optimise multiple WordPress websites Enhance UX/UI, site performance, SEO and accessibility Build and maintain responsive front-end components (HTML, CSS, JavaScript) Collaborate on landing pages, product pages and interactive digital experiences Support ...