451 to 475 of 742 ECMAScript Jobs in London

starter: confident, enthusiastic, and collaborative, thriving in a fast-paced agile environment TECH STACK Backend: PHP (CodeIgniter 3/Slim 4), MySQL Frontend: React.js, JavaScript/TypeScript, HTML, CSS Tooling: GitLab, Docker, CI/CD Pipelines Infrastructure (desirable): Terraform, Ansible, or other Infrastructure-as-Code tools Mobile (desirable): React Native … cross-platform capabilities expand Troubleshoot and resolve performance and scalability issues REQUIREMENTS Experience with PHP, particularly CodeIgniter and Slim Strong skills in React.js and JavaScript/TypeScript Solid understanding of MySQL and database optimisation Competence in HTML and CSS for responsive UI Familiarity with GitLab and Docker Exposure ...

FullStack developer (Java and UI) Location: London, UK Hybrid: 3 days working from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in ...

FullStack developer (Java and UI) Location: London, UK Hybrid: 3 days working from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in ...

Front-End Tech Lead/Development Team Lead (x5)- Vue/React/Angular/Javascript, Azure, Testing, Remote - Scotland - Award-Winning, High-Growth Tech Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Powered SaaS | £67,000–£80,000 + Market-Leading Benefits Areti Group – Carbon Positive Tech … leadership role. You'll lead a cross-functional product engineering team, with your primary focus on: SPA architecture and front-end design - VUE.JS, Angular, Javascript, React.JS Complex, data-rich user interfaces Modern JavaScript frameworks Usability, performance, and maintainability at scale You'll still collaborate closely with backend engineers, but your ...

Front-End Tech Lead/Development Team Lead (x5)- Vue/React/Angular/Javascript, Azure, Testing, Remote - Scotland - Award-Winning, High-Growth Tech Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Powered SaaS | £67,000–£80,000 + Market-Leading Benefits Areti Group – Carbon Positive Tech … role . You’ll lead a cross-functional product engineering team, with your primary focus on: 🌳 SPA architecture and front-end design - VUE.JS, Angular, Javascript, React.JS 🌳 Complex, data-rich user interfaces 🌳 Modern JavaScript frameworks 🌳 Usability, performance, and maintainability at scale You’ll still collaborate closely with backend engineers, but your ...

Front-End Tech Lead/Development Team Lead (x5)- Vue/React/Angular/Javascript, Azure, Testing, Remote - Scotland - Award-Winning, High-Growth Tech Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Powered SaaS | £67,000–£80,000 + Market-Leading Benefits Areti Group – Carbon Positive Tech … role . You’ll lead a cross-functional product engineering team, with your primary focus on: 🌳 SPA architecture and front-end design - VUE.JS, Angular, Javascript, React.JS 🌳 Complex, data-rich user interfaces 🌳 Modern JavaScript frameworks 🌳 Usability, performance, and maintainability at scale You’ll still collaborate closely with backend engineers, but your ...

Front-End Tech Lead/Development Team Lead (x5)- Vue/React/Angular/Javascript, Azure, Testing, Remote - Scotland - Award-Winning, High-Growth Tech Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Powered SaaS | £67,000–£80,000 + Market-Leading Benefits Areti Group – Carbon Positive Tech … role . You’ll lead a cross-functional product engineering team, with your primary focus on: 🌳 SPA architecture and front-end design - VUE.JS, Angular, Javascript, React.JS 🌳 Complex, data-rich user interfaces 🌳 Modern JavaScript frameworks 🌳 Usability, performance, and maintainability at scale You’ll still collaborate closely with backend engineers, but your ...

MUST HAVE experience of working on Angular 19 & 20. Experience in designing & implementing UI Applications Experience of performance tuning. Hands on experience working on JavaScript framework. INSIDE IR35 - £450-520 per day IMMEDIATE START ...

Ruby. They have offices in central London and meet up 2 days a week (Tuesdays and Thursdays) Requirements Strong background in Ruby Modern JavaScript – Hotwire/Turbo/Stimulus A keen interest in AI to increase development speed Experience with CI/CD Knowledge of cloud based technologies, ideally ...

Ruby. They have offices in central London and meet up 2 days a week (Tuesdays and Thursdays) Requirements Strong background in Ruby Modern JavaScript – Hotwire/Turbo/Stimulus A keen interest in AI to increase development speed Experience with CI/CD Knowledge of cloud based technologies, ideally ...

module Servicenow Certified Application Developer Strong understanding of ITSM and general ServiceNow architecture Solid grasp of ITIL principles and best practices Proficiency in JavaScript and experience working with ServiceNow APIs and web services Demonstrated experience integrating ServiceNow with other enterprise applications Excellent analytical, troubleshooting, and problem-solving abilities ...

around data quality, compliance, and documentation Skills & Experience Required Proven hands-on experience as an Adobe Campaign Developer Strong knowledge of Adobe Campaign Classic (JavaScript, SQL, workflows, schemas) or Adobe Campaign Standard Solid SQL and data manipulation skills Experience working in retail or eCommerce environments (highly desirable) Understanding ...

LLMs, RAG, traditional ML) Design and implement data strategies for AI development and training Requirements 4+ years' experience across Fullstack development (Python/Modern JavaScript (React, Vue or similar) Experience working with LLMs, Scientific tools Strong command of Python and relevant AI/ML frameworks Startup experience preferred Benefits Strong ...

into a production‐ready, battle‐tested web application — fast. We’re looking for a Senior Full Stack Engineer with deep knowledge of the JavaScript ecosystem, who thrives in solving complex problems and scaling products under real‐world pressure. About the role This is a full‐stack role with a backend ...

into a production‐ready, battle‐tested web application — fast. We’re looking for a Senior Full Stack Engineer with deep knowledge of the JavaScript ecosystem, who thrives in solving complex problems and scaling products under real‐world pressure. About the role This is a full‐stack role with a backend ...

ServiceNow Developer , with a focus on GRC modules . Strong understanding of IT Governance , Risk Management , and Compliance frameworks . Proficiency in JavaScript , Glide API , and ServiceNow scripting. Experience with ServiceNow integrations (REST/SOAP APIs). Knowledge of ServiceNow architecture , data models, and best practices. Excellent problem-solving ...

ServiceNow Developer , with a focus on GRC modules . Strong understanding of IT Governance , Risk Management , and Compliance frameworks . Proficiency in JavaScript , Glide API , and ServiceNow scripting. Experience with ServiceNow integrations (REST/SOAP APIs). Knowledge of ServiceNow architecture , data models, and best practices. Excellent problem-solving ...

background task system Collaborating with colleagues to streamline code, reduce legacy complexity, and plan future enhancements Helping introduce a more modern browser experience using JavaScript where relevant Software Developer – What We’re Looking For Strong hands-on experience with Python and the Django framework Solid understanding of relational databases, especially ...

background task system Collaborating with colleagues to streamline code, reduce legacy complexity, and plan future enhancements Helping introduce a more modern browser experience using JavaScript where relevant Software Developer – What We’re Looking For Strong hands-on experience with Python and the Django framework Solid understanding of relational databases, especially ...

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

intuitive front-end creation, robust backend Frameworks and strong data design Lead, a globally dispersed team Experience with AWS, Databricks, DBT, PySpark, React, JavaScript Terraform. Experience with AI/ML/Gen AI/LLM What you need to do now If you're interested in this role, click 'apply ...

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

background task system Collaborating with colleagues to streamline code, reduce legacy complexity, and plan future enhancements Helping introduce a more modern browser experience using JavaScript where relevant Software Developer – What We’re Looking For Strong hands-on experience with Python and the Django framework Solid understanding of relational databases, especially ...