1 to 25 of 66 Contract JavaScript Jobs in England

Tech Lead - Software Engineering

Hiring Organisation
Chroma Recruitment Ltd
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
Competitive Day Rate, DOE
providing technical governance, direction and challenge to external development partners Active, hands-on experience working in Java codebases at production scale Expert-level TypeScript, JavaScript and Node.js; experience building scalable, production-grade applications Strong GraphQL, REST API and PostgreSQL skills; Git-based source control and branching strategies Strong AWS experience ...

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 ...

AI Automation Tester

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £525 per day
experience with automation tools such as: Selenium, Cypress, Playwright, Karate, Postman/Newman Strong programming and Scripting skills using languages such as: Java, JavaScript/TypeScript, Python, C# Experience testing web, API, and microservices-based applications. Familiarity with CI/CD tools such as GitHub Actions, Jenkins, Azure DevOps ...

CRM Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £361 per day
years of Dynamics 365 and Dataverse development experience. Strong skills in C#, Plugins, Custom APIs, and Workflow Activities. Experience with Power Apps, Power Automate, JavaScript, TypeScript, and PCF Controls. Strong understanding of Dataverse architecture, data modelling, and security. Experience with REST APIs, OAuth, and third-party integrations. Familiarity with Azure ...

Senior Frontend Engineer - Retail Digital Platform

Hiring Organisation
Sanderson
Location
West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
checkout experiences Support continuous improvement initiatives within agile delivery teams Required Skills & Experience Strong commercial experience with React Expert knowledge of TypeScript and modern JavaScript (ES6+) Experience building and maintaining Progressive Web Apps (PWAs) Strong understanding of HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST ...

Front End React Developer - Manchester

Hiring Organisation
Square One Resources
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
upskill individuals with the knowledge required around creating leading frontend applications. Required Skills/Experience The ideal candidate will have the following: Proficiency in JavaScript, React Framework, HTML & CSS DevOps practices (CI/CD, version control) Component-Based architecture Leadership experience Agile (TDD and Pair Programming) Skills Preferred: Networking (Subnets ...

Quality Engineer - SFIA 5 (CoreMod)

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £460 per day
quality-focused engineer who is passionate about automation, continuous improvement, and embedding quality throughout the software development lifecycle. Technology Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop ...

OS Software Developer

Hiring Organisation
Guidant Global
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Software Engineering, or equivalent experience Proven experience contributing to or managing open-source projects Experience & Technical Skills Essential Strong proficiency in Go, Python, or JavaScript Experience with Linux-based operating systems (RHEL, Rocky, Debian, Ubuntu) Hands-on experience with Git and open-source platforms (GitHub/GitLab) Ability to build ...

SC Cleared Performance Test Engineer - Leeds (50% Onsite) - Performance Testing, JMeter, Cloud

Hiring Organisation
TrinIT Talent Ltd
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 Daily
observability tools including Grafana, Splunk, New Relic and Dynatrace Experience working with Docker and Kubernetes Strong Scripting skills using Python and/or JavaScript for test automation and analysis Ability to investigate complex performance issues and provide clear, actionable recommendations Strong analytical, troubleshooting and stakeholder management skills Experience working within ...

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
runtime internals and asynchronous programming. Deep understanding of: Event Loop libuv Worker Threads Cluster module Streams Buffers Memory management Garbage collection Advanced knowledge of JavaScript (ES6+) and TypeScript. Experience with backend frameworks such as: Express.js NestJS Fastify Koa Architecture & System Design Strong understanding of software architecture principles and design patterns. ...

Software Developer Student

Hiring Organisation
Plumm (Integration)
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 19,999 - 32,222 Annual
emerging technologies to support continuous improvement. Required Skills and Qualifications Demonstrable foundational knowledge in at least one programming language (e.g., Python, Java, C#, JavaScript). Basic understanding of software development principles and methodologies. Familiarity with cloud computing concepts or platforms. Strong problem-solving abilities and a logical approach to technical ...

Senior Full Stack Developer (React, JavaScript & C#.NET)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
collaborative environment and are eager to make an impact, we want to hear from you! Key Experience Needed: Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based … RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. Collaboration: Work closely with business stakeholders and domain experts in Risk, Regulatory Reporting, and Finance. Power BI Expertise: utilise your knowledge of Power ...

Frontend Developer – React / Next.js

Hiring Organisation
Standard 8
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 per day
works and start contributing without needing weeks of hand-holding. What you’ll be working with The main stack is React, Next.js, TypeScript, JavaScript, HTML and CSS . You should also be comfortable working with modern styling approaches such as Tailwind CSS , consuming REST and/or GraphQL APIs ...

Quality Engineer

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day
within agile scrum teams (4-8 engineers) using 2-week sprints to deliver quality solutions across multiple technology stacks. Tech Stack Frontend: Remix React, JavaScript Backend: Java, Spring, .NET Data: MongoDB, Oracle Tools: RabbitMQ, JSON Key Responsibilities Design and implement test automation solutions from scratch Apply TDD/BDD methodologies ...

Senior QA engineer with C

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £300/day
familiarity with testing RPA automated workflows (e.g., UiPath). Solid software engineering foundations with scripting or programming languages (such as Python, C#, Java, or JavaScript) to write customized automated testing modules. Must-have skill: Strong hands-on experience with C# for test automation. Deep experience working in fast-paced Agile ...

Solution Engineer – Enterprise AI (6-Month Contract)

Hiring Organisation
SJIT
Location
Lambeth, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
platform. What You Bring Hands-on Code: At least 2+ years of professional software development experience (OOP). Tech Stack: Proficiency in Python and JavaScript, alongside modern frameworks (React, Angular, Vue, etc.). Cloud & Data: Proven experience deploying to AWS, GCP, or Azure, alongside a strong understanding of SQL/ ...

C# / .NET Core / MVC / ASP.NET Developer

Hiring Organisation
Crystal Ball Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£45,000
based API's such as DVLA. Required Skills (Technical): C#/ASP.Net/MVC/.NET Core (Microsoft .Net) Bootstrap/CSS/WC3 JavaScript Frameworks - e.g. JQuery SQL Server Web Services (soap/Rest) Git Source Control Previous experience of constructing/integrating document management systems Proven track record ...

Software Engineer (DV Cleared) X4

Hiring Organisation
Rubicon Consulting
Location
London, United Kingdom
Employment Type
Contract
Azure, GCP or VCF Release automation — ArgoCD, Flux Observability — Prometheus, Grafana, ELK IAM & secrets management — OAuth/OIDC, Keycloak, Vault Software development — Java, Python, JavaScript, C++ or C# Solid grounding in security principles — CIA, Least Privilege, Zero Trust Networking fundamentals — DNS, TCP/UDP, firewalls, VPNs Our Company Rubicon Consulting ...

PowerApps Developer

Hiring Organisation
Data Careers
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day
Object Oriented Languages (e.g. C#, Python or R) Specific experience or building, deploying and supporting Power App solutions Scripting or Mark-Up Languages (e.g. JavaScript, PowerShell, HTML5 or CSS3) Client and Server-side frameworks (e.g. NET and/or .NET Core, Angular.js, JQuery, Node.js, Xamarin) Relational and/ ...

Dynamics 365 Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
sector or government digital programmes Knowledge of GDS standards and accessibility requirements Experience configuring CI/CD pipelines in Azure DevOps Familiarity with JSON, JavaScript, or C# within D365/Power Platform environments Technology Stack Microsoft Dynamics 365 Power Pages Power Apps Power Automate Dataverse Azure DevOps Azure Cloud ...

Performance Test Engineer - SC Cleared

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Azure, AWS, or GCP. Experience with monitoring and observability tools such as Grafana, Splunk, New Relic, or Dynatrace. Scripting and automation skills using Python, JavaScript, or similar technologies. Understanding of Docker, Kubernetes, and modern containerised environments. Strong communication and problem-solving abilities. Desirable Experience Kafka, IBM MQ, or similar Middleware ...

Senior Dynamics Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
experience developing within Microsoft Dynamics 365 CE/CRM Excellent knowledge of Dataverse and Power Platform technologies Experience developing in C#/.NET and JavaScript Strong understanding of APIs, integrations and data-driven applications Experience working with Azure integration technologies Knowledge of source control and CI/CD processes Ability ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
Bromley, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript Data & Persistence Experience with ORM frameworks such as: Entity Framework NHibernate Dapper Database development and support experience with: Microsoft SQL Server (2008+ ...

C# .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, London, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day Inside IR35
APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript Data & Persistence Experience with ORM frameworks such as: Entity Framework NHibernate Dapper Database development and support experience with: Microsoft SQL Server (2008+ ...

Ecommerce AI Engineer (Contract)

Hiring Organisation
Salt
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£250 - £275 per day
bring: * At least five years' experience across AI, software engineering, ecommerce, platform engineering or a closely related area * Strong development skills in Python and JavaScript or TypeScript * Experience developing and optimising WordPress websites, including custom themes, plugins and API integrations * Experience integrating booking engines, ecommerce platforms and payment systems * Practical ...