1 to 25 of 1,389 ECMAScript Jobs

Senior Software Engineer

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent
continuous improvement. Your responsibilities Design, build and evolve scalable back-end services using C# and .NET Core, alongside developing front-end features with modern JavaScript frameworks to enhance user experience. Design and implement RESTful APIs, ensuring high standards of performance, reliability and security. Build, deploy and operate services ...

Senior Fullstack Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£65,000
software development across design, build, test, and deployment Strong experience in at least one of the following: Java Python C#/.NET Full-stack JavaScript (e.g. React, Node.js) Comfortable working as a polyglot engineer , adapting to different technologies as needed Strong understanding of Agile and DevOps practices, including CI/ ...

Lead Fullstack Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£75,000
software development across design, build, test, and deployment Strong experience in at least one of the following: Java Python C#/.NET Full-stack JavaScript (e.g. React, Node.js) Comfortable working as a polyglot engineer , adapting to different technologies as needed Strong understanding of Agile and DevOps practices, including CI/ ...

Senior Software Engineer

Hiring Organisation
Connor Fox Recruitment Solutions
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
What you need! Proven experience developing enterprise-grade full-stack web applications. Strong front-end development skills using HTML, CSS/Sass, TypeScript, modern JavaScript (ES6+), and reactive frameworks such as Vue, React, or Svelte, with experience in unit and end-to-end testing frameworks. Strong backend development experience with ...

Data Scientist & ML Specialist — Contract Role

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
accepted Full Stack Developer (India Location : SITEL) Total experience : 8-9 years Relevant experience : 5-6 year. Very strong in HTML, CSS, Javascript, PHP, JQuery, SQL, Angular, React, Web/API services, web architect, Node.js Python will be add‐on advantage. Upload your profile on Imurgence and Send Profile ...

Senior Full Stack Developer .Net / C# / React

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £475 per day
requires someone who can work across the full development lifecycle while collaborating closely with both technical and non-technical stakeholders. Tech Stack Frontend React JavaScript/TypeScript HTML5, CSS3 Backend C# .NET Core/.NET ASP.NET Core REST APIs Cloud & Data Microsoft Azure SQL Server Docker CI/CD Pipelines ...

Full Stack - Tech Lead (Node.js, React, Java Script)

Hiring Organisation
Expleo Group
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
proactively implement mitigation strategies Qualifications Bachelor's degree in Computer Science, Engineering, or equivalent experience Essential skills Core Technologies Front-end: React.js, HTML5, CSS3, JavaScript (ES6+), TypeScript Back-end: Node.js (Express.js/NestJS) API Development: RESTful services, microservices architecture Databases: SQL (PostgreSQL/MySQL) and NoSQL (MongoDB) Architecture & Design Strong ...

Full Stack Software Developer

Hiring Organisation
Owen Daniels
Location
Wolverhampton, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Excellent
Software Developer, or similar role. Strong knowledge of modern web technologies including HTML, CSS, and JavaScript. Experience developing responsive web applications. Solid understanding of JavaScript frameworks such as React, Vue.js, Angular, or similar. Experience working with REST APIs and system integrations. Knowledge of relational databases and database design principles. Familiarity ...

Java Full Stack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£55,000
including AWS and Azure Skills and Experience Essential Extensive experience building microservices using Java and Spring Boot Experience developing front-end web applications using JavaScript and/or TypeScript, React, HTML and CSS Experience using Git for version control Experience with repository management platforms such as GitHub or GitLab Experience ...

Senior Full Stack Developer (Java)

Hiring Organisation
TXP Technology x People
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
1.6/1.8) In-depth knowledge of REST APIs, Spring , and Oracle PL/SQL Good hands-on experience with React or another modern JavaScript framework Experience designing and delivering microservices architectures Knowledge of build, deployment and containerisation tools such as Maven, Docker and/or Kubernetes A solid background ...

Senior Java Engineer (Adobe Experience Manager)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Taking ownership of system reliability, maintainability, and performance Producing clear, thorough documentation that supports team velocity and system longevity Tech Stack Languages: Java (primary), JavaScript/TypeScript (nice to have) Frameworks: Spring Boot Cloud & Infra: Azure, Terraform Architecture: Microservices Databases: PostgreSQL (SQL), CouchDB (NoSQL) Monitoring: Splunk, New Relic, xMatters Version ...

Director, Engineering Excellence (AI Platforms)

Hiring Organisation
Jobleads-UK
Location
Belfast City, Northern Ireland, United Kingdom
reliability, and developer experience. Required Experience & Skills Engineering Lead or Software Engineering Manager experience delivering large‐scale systems. Proficiency in Python, Java, TypeScript/JavaScript, or Go. Experience deploying LLM/GenAI systems to production with a focus on evaluation, safety, monitoring. Strong background in distributed systems, microservices, SQL/ ...

Senior .Net Full Stack Developer

Hiring Organisation
Creative Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
stored procedures, and debugging Proven experience with the Microsoft stack (.NET, C#, .NET 6, ASP.NET Core/MVC) Solid front-end development skills using JavaScript/TypeScript and frameworks such as Angular, React or Vue Experience with HTML5, CSS3, and IIS Knowledge of SSIS and data integration processes Experience with ...

Mid-Level Full Stack Developer

Hiring Organisation
Orcha
Location
Warrington, Cheshire, United Kingdom
Employment Type
Permanent
Salary
£45000/annum
years' experience in software development, with substantial commercial full stack experience Strong experience building user interfaces using modern web technologies (e.g. HTML, CSS, JavaScript, React or similar) Strong experience with backend development, APIs, and server-side logic (e.g. .NET, Node.js or similar) A track record of delivering features independently ...

Senior UI Developer - Angular

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
LETS TALK! Proven track record in both web development and software development. Strong commercial experience with Angular, ideally Angular v18+. Excellent knowledge of TypeScript, JavaScript, HTML and CSS. Experience developing reusable UI component libraries and working within component-driven development environments. Experience with Nx monorepo tooling and managing multi-project ...

Remote.NET Developer,.NET 9, C#, Agile - Aberdeen, Scotland

Hiring Organisation
Noir
Location
Moffat, Dumfries & Galloway, UK
Employment Type
Full-time
should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. ...

Senior Full-Stack Software Engineer

Hiring Organisation
Lorien Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
robust, secure and reliable delivery. Required Skills & Experience Strong experience delivering full-stack software solutions in enterprise environments. Commercial experience with: Java TypeScript/JavaScript SQL databases, including MS SQL Server Angular (React experience also considered) Experience building and integrating front-end applications with backend services. Strong analytical and problem ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Dependency Injection Entity Framework Core (DbContext, DbSet, OnModelCreating, LINQ) and ADO.NET/Raw SQL experience MS SQL Server or MySQL database experience HTML5, CSS3, JavaScript REST API expertise and integration (HttpClient, RestSharp, JSON serialization/deserialization, CORS, HTTPS, API security) Git version control and CI/CD workflows (Azure DevOps ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
backend and DevOps teams across the full delivery lifecycle Required Experience Strong experience in UI or Frontend Architecture within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Southampton, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Dundee, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Maidstone, Kent, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Wrexham, Wales, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Poole, Dorset, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...

Remote Fullstack Developer

Hiring Organisation
Applause It
Location
Craigavon, Co. Armagh, UK
Employment Type
Full-time
enhance systems and processes. Participate in code reviews, testing, and documentation to ensure high-quality deliverables. Skills and Experience Required: Strong proficiency in JavaScript, React.js, Next.js, Node.js, and Express.js. Expertise in building responsive interfaces with HTML5, CSS3, and Tailwind CSS. Experience with Supabase or similar PostgreSQL database solutions. In-depth ...