1 to 25 of 2,830 ECMAScript Jobs

Java Full Stack Developer

Hiring Organisation
DCV Technologies
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500/day
Boot. Proven experience developing RESTful APIs and Microservices architectures. Experience with front-end frameworks such as Angular or React. Strong knowledge of HTML5, CSS3, JavaScript, and TypeScript. Experience with SQL and NoSQL databases including PostgreSQL, MySQL, or MongoDB. Experience working with cloud platforms such as AWS, Azure, or GCP. Strong ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Aberdeen, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Newport, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Guildford, Surrey, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Maidstone, Kent, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Preston, Lancashire, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Remote D365 Business Central Developer

Hiring Organisation
Partomer Ltd
Location
Northampton, Northamptonshire, UK
Proficiency in AL and C/AL development Solid experience with .NET technologies (C#, .NET Core/.NET 6+) Full-stack development experience including: JavaScript/TypeScript HTML, CSS, and web APIs Strong experience building and consuming REST APIs Experience with system integration and middleware concepts Understanding of SQL databases ...

Senior Software Engineer

Hiring Organisation
Addition
Location
Farnborough, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 per annum
current with emerging technologies and continuously improve development approaches. Main Skills Needed: Commercial software engineering experience across modern full-stack environments. Strong knowledge of JavaScript/TypeScript and React development. Backend development expertise with Java, Python, or Go. Experience working with AWS and/or Azure cloud services. Solid understanding ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development ...

Principal Software Engineer (UI) TLNT1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
lifecycle. Experience/Competences Essential Proven experience as a senior or principal UI engineer within complex, high-performance systems. Strong expertise in React, TypeScript, JavaScript, and modern UI development practices. Experience with UI component libraries such as Material UI or Ant Design. Proficiency in HTML5, CSS, and responsive design principles. ...

Remote Full Stack - Software Developer

Hiring Organisation
Sanderson
Location
East Sussex, UK
changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#). Front-end technologies - Angular, TypeScript, JavaScript, HTML, CSS. SQL Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems ...

Remote Full Stack - Software Developer

Hiring Organisation
Sanderson
Location
Londonderry, Co. Londonderry, UK
changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#). Front-end technologies - Angular, TypeScript, JavaScript, HTML, CSS. SQL Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems ...

Remote Full Stack - Software Developer

Hiring Organisation
Sanderson
Location
Slough, Berkshire, UK
changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#). Front-end technologies - Angular, TypeScript, JavaScript, HTML, CSS. SQL Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems ...

Remote Full Stack - Software Developer

Hiring Organisation
Sanderson
Location
Stoke-on-Trent, Staffordshire, UK
changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#). Front-end technologies - Angular, TypeScript, JavaScript, HTML, CSS. SQL Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems ...

SC Cleared Automation Test Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Inside IR35
ceremonies, promoting quality and testability Key Skills & Experience Strong experience with automation tools (Selenium, Playwright, Cypress, Appium) Programming skills in Java, C#, Python, or JavaScript/TypeScript API testing experience (Postman, RestAssured, Karate) Knowledge of BDD/TDD (Cucumber, SpecFlow) CI/CD tools exposure (Azure DevOps, Jenkins, GitHub Actions ...

Graduate Software Developer

Hiring Organisation
Oscar Technology
Location
Nottingham, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £30,000 per annum
Engineering, or a related subject (2:1 or above preferred) Experience with C# .NET through university projects, placements, internships, or personal projects Knowledge of JavaScript/TypeScript, HTML, and CSS Strong problem-solving skills and a passion for software development Excellent communication skills and willingness to learn Desirables Experience with ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
Strong collaboration and communication skills, with the ability to work effectively across technical and non-technical stakeholders. Desirable Experience building web front ends using JavaScript and modern frameworks such as React, Vue, or Blazor. Experience with containerisation technologies such as Docker or Kubernetes. Understanding of SOLID principles and software design ...

Director, Engineering Excellence (AI Platforms)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
developer experience.**Required Experience & Skills****Technical Expertise*** 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 ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
processes Ensure solutions meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
processes Ensure solutions meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency ...

Java Developer

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
/8+), Spring Boot, Spring Framework & Microservices Solid experience building REST APIs/Web Services Experience across the full stack (e.g. Java backend + JavaScript, React or JSF frontend) Strong understanding of component-based architecture & system design Experience with CI/CD tools (Jenkins, Maven), Git, and Agile/Scrum ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency ...

Mid-Level Full Stack Developer

Hiring Organisation
Orcha
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£45,000
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 ...