ECMAScript Job Vacancies

126 to 150 of 3,900 ECMAScript Jobs

Java Developer

Birmingham, Staffordshire, United Kingdom
SideTrade SA
CD, Docker, Git The following skills and technologies are a plus: Understanding of Software Engineering Principles: SOLID, design patterns, TDD, BDD, DDD, Enterprise Architecture Patterns Frontend Technologies: HTML, CSS, JavaScript, Typescript, React Experience with unit and integration testing: JUnit, Spock, Jest Experience with integration frameworks such as Apache Camel Other languages and scripting: nix scripting Experience with O2C applications and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

Manchester, Lancashire, England, United Kingdom
Alex James Digital
documentation to maintain high-quality standards. Stay updated on emerging technologies and recommend improvements to the tech stack. Required Skills and Qualifications Technical Skills Languages and Frameworks : Proficiency in JavaScript (including React.js for front-end development). Experience with Next.js for server-side rendering and static site generation. Knowledge of HTML5, CSS3, and Tailwind CSS for responsive and styled interfaces. More ❯
Employment Type: Full-Time
Salary: £75,000 - £80,000 per annum
Posted:

AI Software Developer

Berkshire, UK
Hays
Continuous Learning: Stay ahead of evolving AI technologies and frameworks. Required Skills & Experience 5+ years in solution architecture or software engineering, with strong proficiency in modern programming languages (Python, JavaScript, TypeScript, Java, Go). Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture More ❯
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AI Software Developer

Maidenhead, Berkshire, South East, United Kingdom
Hays
Continuous Learning: Stay ahead of evolving AI technologies and frameworks. Required Skills & Experience 5+ years in solution architecture or software engineering, with strong proficiency in modern programming languages (Python, JavaScript, TypeScript, Java, Go). Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture More ❯
Employment Type: Permanent
Salary: £50,000
Posted:

Software Developer (Manufacturing Diagnostics)

Manchester, United Kingdom
Hybrid / WFH Options
Robert Bosch Group
Studio (e.g. Versions 6, 2005, 2008, 2010 & 2015). Windows Development (e.g. Windows 7 Embedded, Windows 10, Windows Server 2012 R2, 2014, 2016). XML (including XSLIT, DOM, SAX) JavaScript AngularJS REACT ASP.NET MVC Encryption & Authentication (e.g. SSL) HTML 5 SQL (e.g. Microsoft SQL Server 2012, 2014, 2016). WiX Python Linux Education: Bachelor or Master degree in Electrical/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full stack Angular software engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Avaloq
estimation of development tasks and sprints Required profile: Proven track record of front-end development, with a strong focus on Angular including NgRx and RxJS proficient in HTML5, CSS3, JavaScript, TypeScript and RESTful API integration experienced in Java, Hibernate, JPA, ORM and microservices, object-oriented and functional programming and solid understanding of responsive web design and cross-browser compatibility experience More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

Reading, Berkshire, United Kingdom
Oxford Quantum Circuits
can apply across multiple types of work Desirable Skills and Experience: Containerisation technologies (e.g. Kubernetes, Docker) Experience in building web applications and working knowledge of one or more of JavaScript/Typescript, React/Node.js Expertise in Flask web framework Experience in message brokers such as RabbitMQ Expertise in relational databases, ORM and PL/SQL Experience with microservice architectures More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Development Engineer - REMOTE (Full-stack) with Security Clearance

Maryland, United States
Hybrid / WFH Options
Codescratch LLC
local or willing to relocate to the DMV Metropolitan area Preferred Skills and Experience: Proficiency in front-end development with VueJS, React, AngularJS, and NextJS Proficiency in TypeScript or JavaScript Proficiency in an OO language such as Java or Python Experience with PostgreSQL Experience with Amazon Web Services (AWS) Experience with Docker and Kubernetes for containerization Familiarity with unit testing More ❯
Employment Type: Permanent
Salary: USD 165,000 Annual
Posted:

Senior Engineering Manager

London, United Kingdom
CUBE Content Governance Global Limited
for one of our key products, delivering enhancements as part of the ongoing development of the product post MVP. Build, lead, mentor, and guide a team of C# and Javascript developers, fostering a collaborative and high-performing environment. Provide technical leadership and expertise on development best practices, design patterns, and architectural decisions. Participate in the entire software development lifecycle, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Manager (Full Stack) - Ethical Marketplace

London, United Kingdom
Hybrid / WFH Options
Wolf & Badger
engineering leadership role, preferably in a fast-paced startup or scale-up environment. Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.). Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps. Demonstrated ability to lead and inspire engineering teams More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Register Your Interest - Technical Graduate Programme

England, United Kingdom
Industry Placements
programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Proficiency in languages such as: C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control Systems (e.g., Git) Machine More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (Laravel PHP)

Eastbourne, England, United Kingdom
Hybrid / WFH Options
AxisOps
problem-solving skills and debugging expertise Experience in building and consuming APIs (RESTful, JSON) Knowledge of testing methodologies (PHPUnit, Pest, etc) Basic understanding of front-end technologies (HTML, CSS, JavaScript) Excellent communication and collaboration skills Preferred but not required: Knowledge of Kubernetes and Linux Familiarity with additional languages such as TypeScript, Python, and Rust Why join us? We're all More ❯
Posted:

Global IT Software Engineer Senior Manager

London, United Kingdom
The Boston Consulting Group GmbH
Experience leading and developing solutions across a varied technology stack, including: - Object-Oriented design, SOLID principles, and modern design patterns - Developmentexperience in Microsoft .Net Framework and experience inFront-end JavaScript frameworks like Angular & React - Traditional Relational Database technologies like Oracle, MS SQL Server and - No SQL Databases like MongoDB or DynamoDB - SOA & Microservices architecture implementation using REST APIs, queue-based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Register Your Interest - Technical Placement - Space, Defence & Intelligence

London, United Kingdom
Industry Placements
programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Register Your Interest - Technical Placement - Space, Defence & Intelligence

England, United Kingdom
Industry Placements
programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Register Your Interest - Technical Placement - Space, Defence & Intelligence

Hounslow, London, United Kingdom
Industry Placements
programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps Software Engineering Lead

Oak Brook, Illinois, United States
Ace Hardware Corporation
willingness to share knowledge, mentor colleagues, and provide support. Understanding of version control systems (Git) and artifact management tools (Artifactory). Experience in developing for .NET (particularly C# and Javascript) Exposure to code quality and security scanning tools (SonarQube, Qualys). Scripting skills in languages such as PowerShell, Bash, or Python. Experience with CI/CD pipelines and automation tools More ❯
Employment Type: Permanent
Salary: USD Hourly
Posted:

Senior Software Engineer

Sheffield, South Yorkshire, Yorkshire, United Kingdom
Espire Infolabs Limited
Espire Infolabs is hiring for Senior Software Engineer for Sheffield, UK location. Job Title: Senior Software Engineer Location: Sheffield, UK Experience: 8+ Years Employment Type: Full-time About the Role: We are seeking a highly experienced and motivated Senior PHP More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer Full Stack JavaScript

City of London, Greater London, UK
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯
Posted:

Senior Software Engineer Full Stack JavaScript

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

Cloud Engineer with Security Clearance

Richardson, Texas, United States
Oxenham Group
Job Title: Cloud Engineer Responsibilities: • Design, develop, and maintain scalable software applications using modern programming languages (e.g., Python, Java, C++, JavaScript). • Implement cloud-based solutions using AWS or Azure Cloud Platforms. • Develop and integrate AI/ML models to enhance software capabilities. • Optimize software performance, security, and scalability. • Collaborate with UI/UX designers to create intuitive user interfaces. … degree in Computer Science, Software Engineering, or a related field. • 3+ years of experience in software development and engineering. • Proficiency in one or more modern programming languages (Python, Java, JavaScript, Go, C#). • Experience working with cloud computing (AWS, Azure, GCP). • Strong knowledge of microservices architecture and API development. • Hands-on experience with containerization and orchestration (Docker, Kubernetes). More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Engineer

United Kingdom, UK
OptumUK
engineers and stakeholders to build intuitive, reliable user interfaces – and support backend development where needed. Other key responsibilities include: Building and maintaining high-quality front-end code using modern Javascript/Typescript Working with React, Redux and CSS frameworks such as Bootstrap or Tailwind Collaborating closely with UX designers and interpreting Figma designs Contributing to backend services and APIs (Node.js … too. You’ll be detail-oriented, driven by clean, maintainable code, and passionate about building products that matter. Key skills and experience we’re looking for: Deep experience with Javascript/Typescript Strong knowledge of React & Redux Experience working with Figma designs, UX principles and CSS Familiarity with Tailwind CSS or Bootstrap Comfortable working in Agile environments with a TDD More ❯
Posted:

React/SignalR Front-End Developer

Stokenchurch, Buckinghamshire, UK
Hybrid / WFH Options
Quadranet Systems
well-documented code Assist in investigating and resolving user-reported issues Qualifications: 2+ years' experience in front-end or full-stack development Strong understanding of front-end technologies including JavaScript/TypeScript and React Experience integrating real-time functionality using SignalR Excellent communication and collaboration skills Strong problem-solving mindset and attention to detail Bachelor's degree in Computer Science … Software Engineering, or related field (desirable) Skills Required: Languages: JavaScript/TypeScript Libraries & Frameworks: React, SignalR API Interaction: REST APIs Development Practices: Agile/Scrum Tools: Git, Visual Studio (or any other IDE of your choice), Postman, Jira UX/UI: Responsive design principles, component-based development Desirable Skills: Familiarity with C#/.NET/MVC Exposure to full-stack More ❯
Posted:

React/SignalR Front-End Developer

Stokenchurch, England, United Kingdom
Hybrid / WFH Options
Quadranet Systems
well-documented code Assist in investigating and resolving user-reported issues Qualifications: 2+ years' experience in front-end or full-stack development Strong understanding of front-end technologies including JavaScript/TypeScript and React Experience integrating real-time functionality using SignalR Excellent communication and collaboration skills Strong problem-solving mindset and attention to detail Bachelor's degree in Computer Science … Software Engineering, or related field (desirable) Skills Required: Languages: JavaScript/TypeScript Libraries & Frameworks: React, SignalR API Interaction: REST APIs Development Practices: Agile/Scrum Tools: Git, Visual Studio (or any other IDE of your choice), Postman, Jira UX/UI: Responsive design principles, component-based development Desirable Skills: Familiarity with C#/.NET/MVC Exposure to full-stack More ❯
Posted:

Systems Developer - E-Commerce Integrations (Cloud-Native, AI-Driven)

Liverpool, UK
Protein Works
and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core, C# PHP, Python, JavaScript SQL dialects: MySQL, MSSQL, PostgreSQL Familiarity with Redis, ElasticSearch, REST APIs Experience with Windows-based development: services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯
Posted: