Permanent 'ECMAScript' Job Vacancies

2,101 to 2,125 of 2,694 Permanent ECMAScript Jobs

Web Developer

Lode, England, United Kingdom
Hybrid / WFH Options
Pure Resourcing Solutions
service and excellent user experience. What you’ll be doing Developing and maintaining websites, primarily using WordPress and Drupal Writing clean, standards-compliant code in HTML5, PHP, CSS, and JavaScript Building and testing features to ensure cross-browser and cross-device compatibility Supporting clients and colleagues with technical solutions and troubleshooting Collaborating on digital projects and generating ideas for improvements … Maintaining documentation and following best practice in deployment and version control What we’re looking for Strong skills in PHP, HTML5, CSS3, JavaScript, MySQL, Git Experience working with WordPress and Drupal (or similar CMS platforms) Understanding of full stack development Strong problem-solving skills with the ability to meet deadlines under pressure Excellent communication skills and ability to collaborate across More ❯
Posted:

Senior Test / QA Lead – Automation – Solihull / Birmingham

Solihull, West Midlands, England, United Kingdom
MYO Talent
Test Manager/QA Manager/Quality Assurance/Senior Test Analyst/Tester/Automation/Playwright/Integration/API/CI/CD/Azure/JavaScript/TypeScript/Automation Strategy/Test Plans/Based in Solihull/Birmingham/£50,000 – 70,000 + bonus + benefits. One of our leading clients is looking … Selenium, Cypress). Solid understanding of integration and API testing, regression strategy, and CI/CD integration (Azure DevOps, GitHub Actions). Practical coding experience writing automated tests in JavaScript/TypeScript or Microsoft-aligned languages (.NET/C#). Experience defining QA strategy, test plans, acceptance criteria, and using metrics to measure outcomes. Ability to lead a small team More ❯
Employment Type: Full-Time
Salary: £50,000 - £70,000 per annum
Posted:

Full Stack Developer (React / Next.js / AWS/Go)

London, South East, England, United Kingdom
Hybrid / WFH Options
Avanti
deliver high-performance applications used by major sports clients. Key Responsibilities Develop and extend multiple React/Next.js web applications Implement new UI components with Tailwind CSS and modern JavaScript Integrate REST APIs and real-time data feeds Debug, refactor, and optimise across frontend and backend systems Manage build pipelines and deployments within AWS Collaborate with internal teams to deliver … reliable and engaging user experiences Skills & Experience Essential: 3+ years’ commercial experience in React/Next.js development Strong TypeScript and modern JavaScript (ES6+) skills Experience with Tailwind CSS or similar frameworks Familiarity with WebSockets and real-time data integration Working knowledge of Node.js or Go Experience managing AWS environments, deployments, and pipelines Desirable: Experience in sports data, gaming, or live More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum
Posted:

Senior Developer

Milton Keynes, Buckinghamshire, England, United Kingdom
Hybrid / WFH Options
Apache Associates
Senior Developer Milton Keynes (hybrid) £40,000 - £60,000 Our client requires a Senior Developer with strong experience in C#, Azure (or similar cloud-based web applications) and JavaScript to join their growing team. You will have the flexibility of hybrid working and spend 3 days a week in their office. You will play a key role in designing, building … technologies and propose innovative solutions Look after complex coding tasks Skills: Proven experience as a Senior Developer or similar role Strong proficiency in C#, .NET, Azure Solid experience with JavaScript and modern front-end frameworks Excellent communication and leadership skills Ability to deliver complex projects to tight deadlines Outstanding attention to detail and with a focus on performance, security and More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

Full Stack Developer

United Kingdom
TECHOHANA
focused solutions that make a real impact. Responsibilities: Develop and maintain responsive web applications using PHP (Laravel) on the back end. Build engaging and performant user interfaces using modern JavaScript frameworks (React, Vue, or similar). Integrate APIs and third-party services to enhance application functionality. Write clean, efficient, and secure code following best practices. Collaborate in an agile environment … Troubleshoot, debug, and optimise applications for maximum performance. Requirements: 3+ years’ experience as a Full Stack Developer. Proven expertise with PHP and Laravel framework. Solid front-end experience with JavaScript, HTML5, CSS3, and a modern framework (React, Vue, or similar). Experience working with MySQL or other relational databases Salesforce experience is highly advantageous. Understanding of RESTful APIs and version More ❯
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Software Engineer | Early-Stage Defence Startup

City of London, London, United Kingdom
Oho Group Ltd
ownership from concept to deployment in an environment that rewards curiosity, autonomy, and excellence. What You’ll Do Design, build, and maintain high-performance systems in Python, C++ , or JavaScript Contribute to scalable backend services and real-time control software Develop clean, intuitive user interfaces for mission-critical tools Work closely with cross-functional teams to integrate software with hardware … product direction discussions Deliver code that’s robust, tested, and ready for deployment in demanding environments What We’re Looking For Solid hands-on experience in Python , C++ , or JavaScript (TypeScript/React experience a plus) Strong grasp of software engineering principles, system design, and version control (Git) Interest in AI, robotics, or defence technology Experience working with distributed systems More ❯
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Software Engineer | Early-Stage Defence Startup

London Area, United Kingdom
Oho Group Ltd
ownership from concept to deployment in an environment that rewards curiosity, autonomy, and excellence. What You’ll Do Design, build, and maintain high-performance systems in Python, C++ , or JavaScript Contribute to scalable backend services and real-time control software Develop clean, intuitive user interfaces for mission-critical tools Work closely with cross-functional teams to integrate software with hardware … product direction discussions Deliver code that’s robust, tested, and ready for deployment in demanding environments What We’re Looking For Solid hands-on experience in Python , C++ , or JavaScript (TypeScript/React experience a plus) Strong grasp of software engineering principles, system design, and version control (Git) Interest in AI, robotics, or defence technology Experience working with distributed systems More ❯
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Senior Engineering Manager

London Area, United Kingdom
Hybrid / WFH Options
Formula Recruitment
exploration with incredible savings. They are currently looking for a Senior Engineering Manager to lead their existing team (circa 15), made up of passionate and like-minded Full stack JavaScript Engineers. As the Senior Engineering Manager you'll play a pivotal role in driving innovation, leading and ensuring the scalability of their product. You will play a key part in … level, whilst remaining close to the code and has a passion for this! What we expect from the Senior Engineering Manager: • 10+ years experience in software engineering - All things JavaScript, TypeScript + Java • 3+ years experience as an engineering manager - proven people/technical leadership experience. • Proven experience in system architecture design, including scalable, reliable and performant solutions. • Experience scaling More ❯
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Senior Engineering Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Formula Recruitment
exploration with incredible savings. They are currently looking for a Senior Engineering Manager to lead their existing team (circa 15), made up of passionate and like-minded Full stack JavaScript Engineers. As the Senior Engineering Manager you'll play a pivotal role in driving innovation, leading and ensuring the scalability of their product. You will play a key part in … level, whilst remaining close to the code and has a passion for this! What we expect from the Senior Engineering Manager: • 10+ years experience in software engineering - All things JavaScript, TypeScript + Java • 3+ years experience as an engineering manager - proven people/technical leadership experience. • Proven experience in system architecture design, including scalable, reliable and performant solutions. • Experience scaling More ❯
Posted:

Web Developer

St. Neots, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
ALH Recruitment Ltd
platforms. You’ll work closely with our designers, marketers, and clients to translate ideas into well-built, secure, and optimised websites. Key Responsibilities: Develop responsive websites using HTML, CSS, JavaScript, and modern frameworks (e.g., React, Vue, etc.) Build and customise Wagtail, WordPress, Shopify,or other CMS-based sites Optimise sites for speed, SEO, and mobile performance Ensure cross-browser and … tools when required Manage hosting, domains,and version control(e.g., Git) Skills/Experience: 2+ years experience in web development (agency experience a plus) Strong knowledge of HTML5, CSS3, JavaScript, and responsive design Experience with CMS platforms like WordPress (custom theme development), Shopify,or Wagtail Understanding of SEO principles and website performance optimisation Familiarity with Git, hosting platforms(e.g., cPanel More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Senior TypeScript Back-End Engineer

City of London, London, United Kingdom
Wave Talent
facing and internal problems that drive value. Champion security, observability, and reliability best practices. Mentor teammates and help cultivate a healthy, innovative engineering culture. Tech Stack: Core: TypeScript/JavaScript (server-side) Cloud & Infra: AWS (cloud-based architectures), Docker, CI/CD; IaC such as Terraform or CloudFormation Quality & Ops: Security and observability tooling/best practices Bonus exposure: React … on the front end (nice to have) What we’re looking for We value skill and impact over strict year counts. You should have: Strong TypeScript/JavaScript fundamentals and experience building high-traffic server-side web applications. Solid understanding of cloud-based application architecture (preferably AWS). Hands-on experience with Docker and CI/CD tooling. Practical grasp More ❯
Posted:

Senior TypeScript Back-End Engineer

London Area, United Kingdom
Wave Talent
facing and internal problems that drive value. Champion security, observability, and reliability best practices. Mentor teammates and help cultivate a healthy, innovative engineering culture. Tech Stack: Core: TypeScript/JavaScript (server-side) Cloud & Infra: AWS (cloud-based architectures), Docker, CI/CD; IaC such as Terraform or CloudFormation Quality & Ops: Security and observability tooling/best practices Bonus exposure: React … on the front end (nice to have) What we’re looking for We value skill and impact over strict year counts. You should have: Strong TypeScript/JavaScript fundamentals and experience building high-traffic server-side web applications. Solid understanding of cloud-based application architecture (preferably AWS). Hands-on experience with Docker and CI/CD tooling. Practical grasp More ❯
Posted:

Platform Engineering Manager

London Area, United Kingdom
Hybrid / WFH Options
Cocentric
continuous improvement WHAT YOU’LL BRING Strong experience with Service Fabric and Kubernetes Proven experience architecting and scaling B2B SaaS platforms Strong full-stack technical expertise – especially across C#, JavaScript, and React Experience integrating with APIs and identity platforms (e.g. Microsoft Entra ID/Azure AD) Solid understanding of cloud infrastructure – ideally Azure and Service Fabric A collaborative mindset – comfortable … product, engineering, and client delivery A pragmatic, hands-on approach to problem-solving and decision-making Background in IAM or SSO is a bonus OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming how the frontline workforce connects Help More ❯
Posted:

Platform Engineering Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Cocentric
continuous improvement WHAT YOU’LL BRING Strong experience with Service Fabric and Kubernetes Proven experience architecting and scaling B2B SaaS platforms Strong full-stack technical expertise – especially across C#, JavaScript, and React Experience integrating with APIs and identity platforms (e.g. Microsoft Entra ID/Azure AD) Solid understanding of cloud infrastructure – ideally Azure and Service Fabric A collaborative mindset – comfortable … product, engineering, and client delivery A pragmatic, hands-on approach to problem-solving and decision-making Background in IAM or SSO is a bonus OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming how the frontline workforce connects Help More ❯
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Junior Full Stack Developer - InsurTech - .Net

Wickford, England, United Kingdom
Arthur Recruitment
ambitious digital roadmap as our client base continues to grow. What You’ll Do Develop and maintain high-quality web applications using C#, ASP.NET/Core, HTML, CSS, and JavaScript Work collaboratively with designers and business teams to translate ideas into functional products Implement MVC patterns , REST APIs , and ensure robust, secure code aligned with OWASP best practices Debug, test … your career. Ideally, you’ll have: A degree in Computer Science or a related discipline (or equivalent practical experience) Solid understanding of C#, ASP.NET/Core, MVC, HTML, CSS, JavaScript, JSON, and Bootstrap Exposure to modern front-end frameworks such as React, Angular, Vue.js, or Knockout Familiarity with IIS and general web hosting environments Awareness of security principles and best More ❯
Posted:

Senior Software Developer

South East, United Kingdom
ECM Selection (Holdings) Limited
is a great place to continue developing your technical skills. Requirements: Commercial-grade experience developing and maintaining complex systems in C/C++ Familiarity with web UI technologies (HTML, JavaScript, etc) and Linux systems Strong academic background including a 1st or 2:1 or PhD in a numerate subject and A’s or A*’s in Maths and Physics at … schedules are different and so supports flexible working hours. Additionally, they offer a competitive remunerations package including generous employer contribution pensions and annual performance related bonuses. Keywords: C++, Python, JavaScript, Typescript, Embedded C, Linux, DSP, Digital Signal Processing, Algorithms, Image Processing, Rust, Radio Communication Systems, Surrey Another top job from ECM, the high-tech recruitment experts. Even if this job More ❯
Employment Type: Permanent
Salary: £45000 - £70000/annum DoE + Benefits
Posted:

Web DeveloperC#

Stoke-on-Trent, Staffordshire, England, United Kingdom
Dorchester Search & Selection
projects or university projects/assignments) and Proficient in writing and understanding code in C#.Net Good working knowledge in PHP (Laravel Framework) for backend development Good working knowledge of JavaScript (ideally Vue.js and Node.js) Working knowledge of Object-Oriented Programming (OOP) principles Working knowledge/Experience with HTML5/CSS and responsive design Additional skills which would benefit the candidate … Stoke on Trent Experience: Proficient in writing and understanding code in C#.Net: 1 year (required) Working knowledge in PHP (Laravel Framework) for backend : 1 year (required) working knowledge of JavaScript (ideally Vue.js and Node.js): 1 year (required More ❯
Employment Type: Full-Time
Salary: £26,000 - £30,000 per annum
Posted:

Frontend Architect (f/m/x) - Berlin - Hybrid

Mitte, Berlin, Germany
Hybrid / WFH Options
NETCONOMY
year Requirements: 5+ years of hands-on experience in designing and implementing large-scale web applications, with a proven track record of leading complex projects Extensive expertise in modern JavaScript (ES6+), TypeScript, HTML, and CSS/Sass Robust understanding of module bundlers (e.g., Webpack, RsPack), package managers (e.g., NPM, Yarn), and build automation tools Solid knowledge in topics such as … contributing to a company-wide vision Bringing a fresh perspective and a creative approach to the development of our products Technologies: AWS Azure Cloud CSS ES6 Frontend GCP Support JavaScript NPM React SASS TypeScript Webpack Web Yarn Architect HTML5 More: While we're one company, each location has unique aspects and benefits. Here's a glimpse of what to expect More ❯
Employment Type: Permanent
Salary: EUR 65,000 - 70,000 Annual
Posted:

Frontend Architect (f/m/x) - Dortmund - Hybrid

Dortmund, Nordrhein-Westfalen, Germany
Hybrid / WFH Options
NETCONOMY
year Requirements: 5+ years of hands-on experience in designing and implementing large-scale web applications, with a proven track record of leading complex projects Extensive expertise in modern JavaScript (ES6+), TypeScript, HTML, and CSS/Sass Robust understanding of module bundlers (e.g., Webpack, RsPack), package managers (e.g., NPM, Yarn), and build automation tools Solid knowledge in topics such as … contributing to a company-wide vision Bringing a fresh perspective and a creative approach to the development of our products Technologies: AWS Azure Cloud CSS ES6 Frontend GCP Support JavaScript NPM React SASS TypeScript Webpack Web Yarn Architect HTML5 More: While we're one company, each location has unique aspects and benefits. Here's a glimpse of what to expect More ❯
Employment Type: Permanent
Salary: EUR 65,000 - 70,000 Annual
Posted:

Trainee Web Developer

Canterbury, Kent, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Trainee Web Developer

Watford, Hertfordshire, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Trainee Web Developer

Swindon, Wiltshire, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Trainee Web Developer

Chelsea, London, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Trainee Web Developer

Enfield, Middlesex, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Trainee Web Developer

Preston, Lancashire, England, United Kingdom
IT Career Switch
into your first role in as little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give you the basic understanding … in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted: