1,601 to 1,625 of 3,123 ECMAScript Jobs

Full-Stack JavaScript Engineer Hybrid - Watford A dynamic and forward-thinking tech company is seeking a Full-Stack JavaScript Engineer to join their collaborative development team. This is a fantastic opportunity for someone who enjoys working across the stack, building intuitive interfaces and robust backend systems that power a cutting-edge platform. The team offers a friendly, inclusive culture where … career progression, this role is ideal for developers who want to stretch their skills and make a real impact. What you’ll be doing: Building innovative features using modern JavaScript frameworks (Vue.js, Knockout.js) Creating responsive, user-focused interfaces with HTML5, CSS3, and SASS Writing efficient SQL queries and contributing to data model design Collaborating with designers and developers to deliver … to ensure performance and maintainability Participating in code reviews and knowledge sharing Supporting operational sessions with technical insight What we’re looking for: Proven experience in full-stack or JavaScript-focused development Strong JavaScript skills and familiarity with frameworks, such as Vue.js, Knockout.js, React or Angular Solid understanding of SQL and relational databases, such as PostgreSQL Experience with API integration More ❯

JavaScript Developer Remote £48k - £55k Sellick Partnership are currently recruiting a versatile JavaScript Developer with strong experience in Vue.js on the front end and Node.js on the backend. The ideal candidate will be comfortable working across the stack to deliver high-quality, scalable web applications. Responsibilities: Develop and maintain responsive front-end applications using Vue.js. Collaborate with designers and backend … and maintainable code following best practices. Debug, test, and optimize applications for performance and scalability. Participate in code reviews and contribute to team knowledge sharing. Requirements: Proven experience with JavaScript/TypeScript Strong hands-on experience with Vue.js Backend development experience with Node.js Familiarity with REST APIs, authentication, and databases (SQL/NoSQL). Proficiency with version control (Git) and More ❯

Full Stack Engineer (JavaScript) – FinTech-Driven Start-Up Contract-to-Perm, or Permanent Remote (UK-based only) | Flexible Hours Up to £90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be based in the UK with full right-to-work status. Sponsorship is not available for this role. We’re hiring a Full Stack … work how and when you’re most effective Fintech-style innovation – powering features like frictionless mobile payments, live bill syncs, and dynamic rewards Tech Stack Languages & Frameworks : Node.js, Express.js, JavaScript, TypeScript, React, Next.js (or similar) Styling : Tailwind CSS Databases : Firestore, PostgreSQL/SQL Infrastructure : Google Cloud Platform (GCP), Firebase Bonus : Experience building or integrating APIs at scale What You’ll … humming smoothly Innovation : Research, test, and implement new tools or approaches Quality Focus : Build reliable, testable, maintainable code that scales About You 3+ years' experience in full-stack development (JavaScript ecosystem) Comfortable working in integration-heavy environments Deep experience with Node.js, Express.js, React (or similar), TypeScript Strong database experience (Firestore and PostgreSQL/SQL) Familiarity with GCP and Firebase Thrive More ❯

Backend JavaScript Engineer - Remote-first within the UK (team meets 1-3 months) - £90,000 – £110,000 DOE Role Summary Our client, an innovative learning technology company, is searching for an experienced Backend Engineer to help build and scale the backbone of their new AI-driven skills intelligence platform. This solution is designed to analyse workplace interactions to measure how More ❯

Related Project Work Script Writing/Macro Debugging Excel workbook formula optimising Essential Requirements: Microsoft Office Advanced use of Microsoft Excel & VBA SQL query writing Script writing experience (e.g. JavaScript, Python, Power Shell, etc) Desirable Skills and Experience: Microsoft Azure Microsoft SharePoint Microsoft Entra ID Oracle NetSuite, particularly Suite Script Microsoft SQL Server administration and query writing JavaScript Freemarker Working … hour unpaid lunch break) Keywords –Software Engineer, Software Analyst, scripting, macros, macro, macro debugging, coding, IT Support Engineer, Azure, SharePoint, Entra, NetSuite, Suite Script, SQL, JavaScript, Freemarker, JavaScript, Python, Power Shell, SQL Query, Excel, VBA, London, West London More ❯

Software Engineer Salary up to £50,000 plus benefits Chester - Hybrid working Tech Stack: React.js, TypeScript, JavaScript, Node.js, AWS THE BENEFITS: Competitive salary working for an engineering team within a well-established, growing company. 25 days holiday, plus 8 days bank holiday. A collaborative environment where your voice is heard. Investment into personal and professional development. THE SOFTWARE ENGINEER ROLE … development of our platform and product portfolio Work in an agile environment in cross-functional teams Design and build efficient, robust and scalable software that's built on the JavaScript stack SOFTWARE ENGINEER - ESSENTIAL SKILLS: Competent in React.js, TypeScript, JavaScript, Node.js, AWS Solid track record of object-oriented programming Continuous Integration and Deployment TO BE CONSIDERED... Please either apply through … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: React.js, TypeScript, JavaScript, Node.js, AWS More ❯

SOFTWARE DEVELOPERS £40-45k Salary C#/.Net/JavaScript/Blazor/SQL Server Birmingham - office based role Half day on a Friday No sponsorship offered unfortunately (url removed) ABOUT US We are a leading Midlands based company working on products for our leading clients. We have sites across the UK but base ourselves in the West Midlands. … software engineer with a leaning towards the back-end but also capable of working full stack when needed. ESSENTIAL SKILLS 3+ years of industry experience C#/.Net/JavaScript/SQL Teamwork and interpersonal skills KEY SKILLS C#/.Net/JavaScript/Blazor/SQL Server More ❯

We are looking for an experienced Delivery Lead with strong JavaScript expertise and a passion for driving high-quality delivery. This is a 50/50 split between hands on development and line management. Day to day responsibilities Leading delivery of end-to-end software projects, ensuring timelines, quality, and stakeholder expectations are met Working hands on with JavaScript technologies … and Architecture teams to translate requirements into robust technical solutions Continually improving delivery processes and ensuring best practice is followed across the team What we need Strong hands-on JavaScript development background Experience managing cross-functional development teams in an Agile environment Excellent stakeholder management and communication skills Ability to balance technical delivery with leadership and management responsibilities Strong problem More ❯

Senior Frontend Developer - JavaScript/TypeScript/React JavaScript, TypeScript, React, CSS, REST & GraphQL APIs Salary up to £65k Onsite in Central Manchester Excellent career progression Who We Are We're a growing tech team building high-quality, user-focused SaaS products. Our culture values collaboration, clean code, and continuous improvement. With exciting projects ahead, we're expanding our frontend … capabilities and looking for a Senior Developer to help us deliver exceptional experiences faster. Who We're Seeking We're searching for a Senior Frontend Developer with expertise in JavaScript , TypeScript , and React.js . You'll work in a collaborative agile environment, contributing to the full development lifecycle from concept to deployment. You'll play a key role in shaping … feel free to call me on . By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you! Key Skills: JavaScript, TypeScript, React, Hooks, Context, React Query, CSS (Tailwind), REST APIs, GraphQL, Git, Agile, Testing (RTL), Accessibility, Performance Optimisation More ❯

Front End Developer – Nottingham/Hybrid Working £30,000-£40,000 For web design and development professionals with a passion for JavaScript, HTML and other web technologies there has never been a better time to join one of the largest digital agencies in the Midlands based just north of Nottingham. You will be an experienced creative, pro-active with an … requirements for this role: • Experience with HTML • Experience with CSS and CSS pre-processor like SASS or LESS • Familiarity with CSS Frameworks such as TailwindCSS and Bootstrap • Proficient in JavaScript, including DOM manipulation • Experience in building ecommerce websites preferable but not essential • Understanding of React and its core principles • Experience with React workflows • Familiarity with the newer specification of JavaScript More ❯

Frontend WordPress Developer - £45k - 3 days in London Bridge Technologies: WordPress, React, JavaScript, Next.js (MUST) SoBold is a high-performance website design and development agency based in London. We are a collaborative, values-driven team delivering exceptional websites and platforms. Our values are kindness, accountability, creative thinking, awareness, and teamwork. We are looking for an ambitious Frontend WordPress Developer to … instrumental in re-architecting a key client website using Next.js , WordPress, and modern front-end technologies. What you'll do Build pixel-perfect, responsive web pages using HTML, SCSS, JavaScript, and Typescript Work with React/Next.js/GraphQL to develop headless WordPress sites Ensure performance and scalability across devices Create reusable code and develop complex front-end functionality Produce … team members Snag, test, and maintain high standards on all projects Lead front-end aspects of projects and support junior developers What we need from you Strong HTML, SCSS, JavaScript, Typescript, and jQuery skills Experience with React/Next.js/GraphQL for headless WordPress (Next.js non-negotiable) Minimum 2 years' PHP experience with WordPress Experience with custom post types, Gutenberg More ❯

Framework Web application development including requirements gathering, design, development, and maintenance Requirements Bachelors + 5 years of relevant experience or Masters + 3 years of relevant experience Experience with Javascript, Javascript frameworks, HTML, or CSS Experience with GitLab or CI/CD principles, methodologies, and tools such as GitLab CI, Jenkins, etc Experience with the Atlassian Suite of Tools such More ❯

UI Engineer/Angular Developer/Angular/Software Engineer/HTML/CSS/JavaScript (ES6+)/Agile/UI/User Interfaces/Wireframes/Front End/Restful API/6-month contract/Remote/£450 – 550 per day Inside IR35. One of our leading clients is looking to recruit a UI Engineer/Developer/… and maintenance of a shared design system. Understanding of REST APIs and integration with back-end services. Awareness of secure coding practices and data privacy considerations in UI development JavaScript, HTML, CSS Agile Cloud or hybrid environment More ❯

methodology and traditional Project Management Framework (PMF) control gates for all software application development unless otherwise directed by Sponsor. Develop software applications as web services that are written in JavaScript capable technology unless otherwise directed by Sponsor. Examples include Node JS and Angular with Typescript, and Springboot with Hibernate and messaging; JavaScript (EXTJS, Dojo), Java (JSPs, GWT, JSF, Groovy on More ❯

Senior React Developer React, TypeScript, API, HTML, CSS, JavaScript Fareham, Hampshire. This role is to work in the office full time. Salary circa £40,000 - £60,000 plus benefits In 2023, cybercrime cost UK businesses an estimated £21 billion. But don't think its the just the big corporates at risk, the average cybercrime value in the UK is just … local gym, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare, investment in training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology, career More ❯

With nine new hires this year already, it’s an ambitious environment where your work will have a direct impact. The Role Build modern, user-facing applications using React, JavaScript, and CSS ensuring interfaces look as good as they run. Develop backend services with C#, ASP.NET Core, and MVC. Collaborate closely with product and design teams to refine user experiences. … Contribute to code quality, performance, and secure development practices (OWASP). Mentor junior developers and help shape frontend standards. What We’re Looking For Strong experience with React, JavaScript, and CSS, with an eye for UI/UX detail. Proven backend skills in C#, .NET Core, MVC, and REST APIs. Track record of delivering polished, secure, production-ready applications. Degree More ❯

sharing. Provide mentorship and supervision to software development team members. Conduct regular code reviews and foster professional growth. Technical Excellence: Balance leadership duties with hands-on web development using JavaScript, PHP & React. Stay updated on industry trends, evaluating and implementing new technologies. Solve technical challenges and drive continuous improvement. Client Engagement: Build and maintain strong client relationships. Proactively understand client … and Communication: Collaborate with HR and senior leaders on recruitment, onboarding, and development processes. Communicate effectively with internal and external stakeholders. Qualifications: Proven hands-on web development experience with JavaScript, PHP & React. Previous experience mentoring or supervising software development teams. Proficiency in git version control. Familiarity with Waterfall and Agile methodologies. Strong problem-solving skills. Excellent written and verbal communication More ❯

teams, you'll also leverage AI tools to optimise development, automate testing, and create smarter user interactions. Key Responsibilities: Lead the rebuild of Front End applications using React, modern JavaScript/TypeScript, and supporting frameworks Integrate AI-powered features into the user experience (eg, personalised recommendations, intelligent search) Use AI developer tools (eg, GitHub Copilot, ChatGPT, Tabnine) to boost productivity … seamless, scalable solutions Mentor junior Front End developers, promoting best practices and innovation Essential Skills & Experience: 5+ years Front End development experience, with deep expertise in React and modern JavaScript/TypeScript Proven experience using AI tools in a development context Strong understanding of REST APIs, JSON, and Front End performance optimisation Familiarity with cloud platforms and CI/CD More ❯

a skilled and proactive SuiteCRM Developer, to design, develop, customize, and maintain a CRM solutions built on the SuiteCRM platform. This role requires hands-on experience with PHP, MySQL, JavaScript, and SuiteCRM architecture, with a deep understanding of CRM workflows and integrations. The role: Develop and customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. Implement new … meets best practices in coding standards, security, and data integrity. Your skills and experience Proven experience (8+ years) working with SuiteCRM or SugarCRM development. Strong proficiency in PHP, MySQL, JavaScript, HTML/CSS, and MVC frameworks. Familiarity with CRM database schema and customization best practices. Experience with version control systems (e.g., Git). Ability to work independently and manage priorities More ❯

Developer to join our technology team. You’ll work across the full stack, contributing to both front-end and back-end development, with a focus on PHP (CodeIgniter 4), JavaScript, and data visualisation. You’ll help build and maintain microsites, enhance existing systems, and deliver new features that support our clients in sectors such as sport, environment, and government. About … existing functionality for performance and usability. Build and maintain new features using PHP and CodeIgniter 4. Write, debug, and optimise SQL queries. Enhance front-end UI/UX using JavaScript, HTML, CSS, and jQuery. Visualise complex datasets using tools like Highcharts and mapping libraries. Modularise large systems and contribute to architectural improvements. Project Collaboration Work closely with the tech and … repository management. Adapt to different configurations and setups across projects. Key Competencies Essential Skills Strong PHP and CodeIgniter 4 skills. Solid understanding of relational databases and SQL. Proficiency in JavaScript, HTML, CSS, and jQuery. Experience with data visualisation tools (e.g., Highcharts). Ability to work independently and ask for help when needed. Comfortable working on large, modular projects. Understanding of More ❯

a skilled and proactive SuiteCRM Developer, to design, develop, customize, and maintain a CRM solutions built on the SuiteCRM platform. This role requires hands-on experience with PHP, MySQL, JavaScript, and SuiteCRM architecture, with a deep understanding of CRM workflows and integrations. The role: Develop and customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. Implement new … meets best practices in coding standards, security, and data integrity. Your skills and experience Proven experience (8+ years) working with SuiteCRM or SugarCRM development. Strong proficiency in PHP, MySQL, JavaScript, HTML/CSS, and MVC frameworks. Familiarity with CRM database schema and customization best practices. Experience with version control systems (e.g., Git). Ability to work independently and manage priorities More ❯

Developer to join our technology team. You’ll work across the full stack, contributing to both front-end and back-end development, with a focus on PHP (CodeIgniter 4), JavaScript, and data visualisation. You’ll help build and maintain microsites, enhance existing systems, and deliver new features that support our clients in sectors such as sport, environment, and government. About … existing functionality for performance and usability. Build and maintain new features using PHP and CodeIgniter 4. Write, debug, and optimise SQL queries. Enhance front-end UI/UX using JavaScript, HTML, CSS, and jQuery. Visualise complex datasets using tools like Highcharts and mapping libraries. Modularise large systems and contribute to architectural improvements. Project Collaboration Work closely with the tech and … repository management. Adapt to different configurations and setups across projects. Key Competencies Essential Skills Strong PHP and CodeIgniter 4 skills. Solid understanding of relational databases and SQL. Proficiency in JavaScript, HTML, CSS, and jQuery. Experience with data visualisation tools (e.g., Highcharts). Ability to work independently and ask for help when needed. Comfortable working on large, modular projects. Understanding of More ❯

Developer to join our technology team. You’ll work across the full stack, contributing to both front-end and back-end development, with a focus on PHP (CodeIgniter 4), JavaScript, and data visualisation. You’ll help build and maintain microsites, enhance existing systems, and deliver new features that support our clients in sectors such as sport, environment, and government. About … existing functionality for performance and usability. Build and maintain new features using PHP and CodeIgniter 4. Write, debug, and optimise SQL queries. Enhance front-end UI/UX using JavaScript, HTML, CSS, and jQuery. Visualise complex datasets using tools like Highcharts and mapping libraries. Modularise large systems and contribute to architectural improvements. Project Collaboration Work closely with the tech and … repository management. Adapt to different configurations and setups across projects. Key Competencies Essential Skills Strong PHP and CodeIgniter 4 skills. Solid understanding of relational databases and SQL. Proficiency in JavaScript, HTML, CSS, and jQuery. Experience with data visualisation tools (e.g., Highcharts). Ability to work independently and ask for help when needed. Comfortable working on large, modular projects. Understanding of More ❯

it. You'll work on scalable web applications that directly impact millions of users globally. What You'll Do Build and enhance full-stack web applications using C# and JavaScript Contribute to experimental, data-driven product development Collaborate with cross-functional teams on strategic objectives Help transition toward modern frontend frameworks ( Vue/React/Angular ) Essential Skills 3+ years … of commercial software development experience Strong C# and ASP.NET MVC expertise Solid JavaScript, HTML5, CSS skills Full-stack web development experience What Makes This Special Mission-driven company with genuine educational impact Fully remote-first culture with flexible working Experimental environment - no rigid planning, quick iterations Small team where your contributions directly shape the product Profitable company with strong user More ❯

sharing. Provide mentorship and supervision to software development team members. Conduct regular code reviews and foster professional growth. Technical Excellence: Balance leadership duties with hands-on web development using JavaScript, PHP & React. Stay updated on industry trends, evaluating and implementing new technologies. Solve technical challenges and drive continuous improvement. Client Engagement: Build and maintain strong client relationships. Proactively understand client … n: Collaborate with HR and senior leaders on recruitment, onboarding, and development processes. Communicate effectively with internal and external stakeholders. Skills required: Proven hands-on web development experience with JavaScript, PHP & React. Previous experience mentoring or supervising software development teams. Proficiency in git version control. Familiarity with Waterfall and Agile methodologies. Strong problem-solving skills. Excellent written and verbal communication More ❯