1 to 25 of 806 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 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/ ...

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 ...

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 ...

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 Salesforce Developer

Hiring Organisation
Federal Home Loan Bank of Chicago
Location
Chicago, Illinois, United States
Employment Type
Any
Salary
GBP Annual
Cloud. 5+ years' experience with Platform (Apex, Visual Force, Lightening Framework, SOQL, Unit Testing). Knowledge of Front end technologies like HTML and CSS, JavaScript and JQuery. Experience setting authentication and authorization with Azure AD and Azure B2C. Experience implementing AppExchange applications or connectors to Salesforce. Management of integrated applications ...

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 ...

Full Stack Developer

Hiring Organisation
Sanderson Recruitment Plc
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
full-stack development. Strong experience with React and modern Front End architecture. Solid Back End development experience with Node.js . Excellent TypeScript and JavaScript skills. Experience designing and consuming REST APIs. Strong understanding of state management solutions such as Redux Toolkit, Zustand, or React Query. Experience with unit, integration ...

Technical Lead/Engineer Lead - London

Hiring Organisation
Evolve Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£71,000 - £113,000 per annum
ever the same. Tech stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms ...

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 ...

InterPro/Pfam Software Project Leader

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£75,000
also have Experience with Kubernetes for container orchestration and cloud-native deployments. Java programming experience. Experience with web technologies (e.g. REST APIs, React, JavaScript/TypeScript). Background in bioinformatics or life sciences software development. Familiarity with Pfam, InterPro, or related protein family/domain resources. Track record of contributing ...

Software Engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment best practices Apply now or email for more information. ...

Full Stack Developer (Node/React)

Hiring Organisation
ARC IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in Node, React, JavaScript/TypeScript, HTML, CSS, and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience ...

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
Location
London, South East, England, United Kingdom
Employment Type
Contractor
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 ...

Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
documentation and contribute to knowledge sharing. Essential Skills & Experience Strong commercial experience with Java and Python . Front-end engineering experience using React and JavaScript Solid hands-on experience with MongoDB including data modelling and performance tuning. Proficient with CI/CD, Git, automated testing, and modern engineering workflows. Experience ...

Engineering Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure ...