ECMAScript Job Vacancies

476 to 500 of 3,328 ECMAScript Jobs

.NET Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon – London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Posted:

Software Engineer (Frontend)

Belfast, United Kingdom
Bazaarvoice
visualization dashboards of Bazaarvoice data that give our clients valuable insights into their all aspects of their program performance. This is a front-end role, so standard rules apply: JavaScript, HTML, CSS, React and scripting languages like BASH, Python etc. However, we are looking for more than satisfying a list of buzzwords - we are looking for someone that lives and … while performing their daily reporting tasks. Who you are: BS in Computer Science or another quantitative discipline or equivalent work experience. 3+ years of professional software development experience using JavaScript, HTML and CSS to develop web applications. Working knowledge of at least one scripting language - Python, Bash, Ruby etc. Knowledge of JavaScript fundamentals and computer science fundamentals. You can speak More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer

England, United Kingdom
Experis - ManpowerGroup
Title: Java Developer Location: Knutsford Duration: 31/12/2025 Rate: £300 per day - PAYE via Umbrella only Essential Skills: Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest). Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices. Experience with SQL (MS SQL preferred), cloud technology More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer - FTC in London - SoCode Recruitment

London, United Kingdom
Java Script Works
in the Java ecosystem, strong front-end skills. Requirements High-level experience in Java (17+), Spring, REST APIs, and microservices Solid background in Credit Risk Strong skills in Angular, JavaScript, and TypeScript Experience with Docker, Kubernetes, and OpenShift Proficient in SQL/PLSQL Responsibilities Making architectural decisions Collaborating with product teams to deliver secure, scalable features Building web apps using More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Developer

Bracknell, Berkshire, United Kingdom
Spectrum IT Recruitment
a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes NoSQL Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯
Employment Type: Permanent
Salary: £70000 - £80000/annum
Posted:

Senior Software Developer, Product (Front End)

England, United Kingdom
Endpoint Clinical, inc
s degree or equivalent and/or appropriate experience Experience: Overall 5+ years' experience with system design and development of web applications Strong experience in web technologies, including HTML5, JavaScript, CSS Professional work experience with: - Visual Studio 2012 and above - MVC framework - Writing database driven ASP.NET applications (.net 4.0+ required) - Developing REST web services using C# .NET, ASP.NET - Microsoft SQL … Server, Entity framework and LINQ - JavaScript development using Angular.js/jQuery/Kendo UI etc. Ability to use unit testing tools and embrace test driven development Experienced in debugging and profiling ASP.NET applications Experience with OO design patterns Experience with Agile/Scrum Experience working with SCM platforms such as Subversion, TFS Technical project experience, including analyzing, documenting and designing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Associate Software Engineer (Remote in Scotland)

Dundee, Angus, United Kingdom
Hybrid / WFH Options
Ivanti
both. Learn industry standard tools like GitHub source control and pipelines, Azure Hosting, Azure Devops, Kubernetes, and Terraform to name a few. Use that knowledge to develop a custom JavaScript application that keeps product information up to date in a dynamic way with little to no maintenance. Then deliver that information to Engineering and SaaS Operations in ways that accelerates … Develop and maintain features for two custom applications used for R&D teams to find information and deploy dev/test environments. Programming languages are java/nodeJS and javascript/react. Understand Github source control and build github actions to ensure pipelines meet release criteria. Learn security tooling like BlackDuck, Prisma, Polaris and RiskSense and ensure our application is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web Software Engineer

Milton Keynes, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Allica Bank Limited
through pair programming, code reviews, and career planning. Help foster their growth within Allica. Feature Delivery Responsibilities Design & Development: Design, implement, and maintain React-based frontend applications using modern JavaScript frameworks (React, Typescript, Redux, etc.). Feature Deployment: Contribute to the smooth deployment of new features and applications, ensuring they are production-ready and performant. Cross-functional Collaboration: Partner closely … as Jest and React Testing Library , and contribute to the development of end-to-end tests using Cypress . Key Skills & Experience Core Frontend Expertise: Demonstratable experience in in JavaScript , Typescript , and React (including Hooks). Testing Experience: Experience in unit and integration testing with Jest and React Testing Library . Familiarity with end-to-end testing using Playwright , Cypress More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Web Developer with Security Clearance

Mc Lean, Virginia, United States
Hybrid / WFH Options
Gridiron IT Solutions
information management capabilities across a variety of our customer's development platforms and scenarios. Responsibilities Work with programming languages and scripting methods including Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Develop SharePoint sites and support SharePoint operation and maintenance activities for all customers, to include design work and prototyping, file and document management, and plan and participation in … WordPress, Joomla, and Drupal) Proven expertise developing in SharePoint, WordPress, and custom web development platforms. Experience in developing using the following scripting languages: Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Experience with 508 compliance Knowledge of Agile methodologies utilizing ServiceNow Develops and implements innovative products, processes, standards or operational plans achieved through research and integration of best practices More ❯
Employment Type: Permanent
Salary: USD 220,000 Annual
Posted:

Fullstack Web Developer with Security Clearance

Mc Lean, Virginia, United States
Hybrid / WFH Options
Gridiron IT Solutions
information management capabilities across a variety of our customer's development platforms and scenarios. Responsibilities Work with programming languages and scripting methods including Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Develop SharePoint sites and support SharePoint operation and maintenance activities for all customers, to include design work and prototyping, file and document management, and plan and participation in … WordPress, Joomla, and Drupal) Proven expertise developing in SharePoint, WordPress, and custom web development platforms. Experience in developing using the following scripting languages: Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Experience with 508 compliance Knowledge of Agile methodologies utilizing ServiceNow Develops and implements innovative products, processes, standards or operational plans achieved through research and integration of best practices More ❯
Employment Type: Permanent
Salary: USD 220,000 Annual
Posted:

Senior Mobile Developer

Kirkham, Preston, Lancashire, England, United Kingdom
GoFind Recruitment
a skilled and driven Senior Mobile Developer, based at their offices in Kirkham. They are expanding their product capabilities and looking for a Senior Mobile Developer who thrives in JavaScript/React environments and has deep native development expertise in both iOS and Android. This is a rare opportunity to directly shape the future of their mobile platform within a … tools, frameworks, and best practices in mobile development and DevOps. Experience/Qualifications: 4+ years of commercial mobile development experience, ideally in a senior or lead capacity. Expert in JavaScript/TypeScript and React Native , with a strong understanding of hybrid vs native trade-offs. Proven ability to design, implement, and maintain complex native modules using Swift and Kotlin. In More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Senior Software Engineer - Roku/Disney+

London, United Kingdom
Disney Cruise Line - The Walt Disney Company
likely have a chance to work on it in code Have the opportunity to contribute to the development of tools and systems outside of the Roku apps, such as JavaScript- & React-based web tools, gulp build scripts, AWS configurations, and Node.js services Work with Roku to vet new hardware, firmware and certification requirements from a client application perspective Collaborate closely … and feature degradation techniques • Experience creating and extending templated controls, and writing custom controls Experience with asynchronous and concurrent code Experience with unit testing and related patterns Experience with JavaScript client- and server-side development Experience with DevOps, gulp scripts, Jenkins and AWS Required Education Bachelor's degree or better in Computer Science or a related technical field or equivalent More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Power BI Custom Visualization Developer

Leeds, Yorkshire, United Kingdom
BCN Group Ltd
you are a technically capable, driven, and ambitious developer, who is passionate about solving complex problems, then this could be the role for you. Technical requirements (Essential): Proficiency in JavaScript (ES6+) for core programming. Understanding TypeScript syntax (e.g., types, interfaces) for stricter code structure and debugging. HTML/CSS: Custom visuals are rendered in a browser-like environment within Power … BI, requiring HTML for structure and CSS for styling. Experience of using D3.js (a powerful JavaScript library for data-driven document manipulation, commonly used to create dynamic and interactive visuals in Power BI.) Data Structures and JSON: Ability to parse and transform JSON data (e.g., categorical or numerical datasets). Power BI Data Model Awareness: Familiarity with Power BI's More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Developer

Chester, Cheshire, North West, United Kingdom
Hybrid / WFH Options
Shortlist Recruitment
To be considered for the .NET Developer position, we are looking for a candidate with the following skills and experience. Essential Skills: C#, .NET SQL/NoSQL HTML, CSS, JavaScript Desirable Skills: .NET Core/.NET 8 React/Angular/Vue.js Azure/Azure DevOps The .NET Developer role comes with a range of industry leading benefits and has More ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
Posted:

Senior Software Developer

Bracknell, Berkshire, United Kingdom
Spectrum IT Recruitment
a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes NoSQL This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking More ❯
Employment Type: Permanent
Salary: £65000 - £85000/annum
Posted:

Senior Software Developer

reading, south east england, united kingdom
Spectrum IT Recruitment
a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes NoSQL This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking More ❯
Posted:

Site Reliability Engineer (DV Security Clearance)

Gloucester, Gloucestershire, UK
Hybrid / WFH Options
CGI
systems when needed. We are looking for candidates with a positive problem solving attitude who can adapt to client problems as required. The Tech Stack used is: Java, Python, Javascript (Typescript), Vue, Bash, Jenkins, Ansible ,Cucumber, NiFi, Go, AWS, Gitlab, ELK stack, Terraform, Grafana, Sonarqube, Openshift, Linux Required qualifications to be successful in this role: Proven experience in Site Reliability … a positive, solution-focused mindset, with the ability to adapt to changing client needs. Desirable Skills: Hands-on experience with Apache NiFi for data flow management. Exposure to Java, JavaScript/TypeScript, and Vue for full-stack understanding. Experience with BDD frameworks like Cucumber. Background in supporting or working on big data projects is highly advantageous. Qualifications: Degree in Computer More ❯
Posted:

Senior Full Stack Engineer - Cardiff

England, UK
Hire Tech UK
team to build scalable, maintainable applications that drive real impact. What You’ll Work With PHP 8+/Symfony framework Vue.js (and occasional AngularJS for legacy support) HTML, CSS, JavaScript, TailwindCSS, Bootstrap MySQL Docker Git, GitHub, CI/CD pipelines TDD, PHPUnit What We’re Looking For 5+ years of PHP development experience 2+ years of experience with Symfony At More ❯
Posted:

Frontend Engineer - Tier 1 Investment Bank - Global Credit Trading

London, UK
Hybrid / WFH Options
Radley James
trading tools Ensure performance, security, and scalability of front-end systems What You Bring Bachelor's degree in Computer Science or closely related field Strong experience with React, TypeScript, JavaScript, HTML/CSS, NodeJS Knowledge of Git, Webpack, Jenkins, and Agile workflows Experience in financial services or trading systems (preferred) Strong problem-solving and UI/UX skills This opportunity More ❯
Posted:

Frontend Engineer - Tier 1 Investment Bank - Global Credit Trading

City of London, Greater London, UK
Hybrid / WFH Options
Radley James
trading tools Ensure performance, security, and scalability of front-end systems What You Bring Bachelor's degree in Computer Science or closely related field Strong experience with React, TypeScript, JavaScript, HTML/CSS, NodeJS Knowledge of Git, Webpack, Jenkins, and Agile workflows Experience in financial services or trading systems (preferred) Strong problem-solving and UI/UX skills This opportunity More ❯
Posted:

Principal DevOps Engineer (AWS)

London, United Kingdom
McGregor Recruitment
least one of the following scripting languages: Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling: Full stack CI/CD, GitLab, Jenkins, Sonatype Nexus Experience containerising application components (Dockerfiles, Kubernetes) Deep understanding of pipelines as code Observability concepts and tooling More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal DevOps Engineer AWS

London, South East, England, United Kingdom
McGregor Boyall
least one of the following scripting languages: Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling: Full stack CI/CD, GitLab, Jenkins, Sonatype Nexus Experience containerising application components (Dockerfiles, Kubernetes) Deep understanding of pipelines as code Observability concepts and tooling More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Applications Developer - SME or Expert with Security Clearance

Herndon, Virginia, United States
Convirgence
Pipelines while having and understanding of continuous integration and continuous deployment best practices BS/BA in Computer Science OR equivalent combination of education and experience Experience with Java, JavaScript, Python, Ruby Requires expert or mastery level knowledge of work area, typically obtained through advanced education combined with experience. May have deep knowledge of project management. Advanced knowledge of related More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Symfony Developer

Cambridge, Cambridgeshire, United Kingdom
Hybrid / WFH Options
Genie Ventures Ltd
We have an agile approach to project management which currently has elements of Scrum and Kanban. Some of the technologies we're using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web … Symfony. - Good knowledge of data stores and their trade-offs. - Experience of delivering projects in a complex domain. Preferred Experience - Strong educational background. - Knowledge of our front-end technologies: Javascript, Typescript, HTML, CSS, SASS. - Knowledge of our DevOps technologies: AWS, Terraform, ECS, GitHub, Docker. Skills - You care about quality and still Get Things Done. - You learn new things quickly. - You More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Development Team Lead

Bracknell, Berkshire, United Kingdom
Spectrum IT Recruitment
of either C# or React Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the More ❯
Employment Type: Permanent
Salary: £80000 - £100000/annum
Posted: