1 to 25 of 77 Contract JavaScript Jobs in England

Scala Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £79 per hour
Writing clean, testable, maintainable code Participating in code reviews, pairing, and team delivery Tech Stack & Environment Backend: Scala, Java (Python desirable) Frontend: HTML, CSS, JavaScript Frameworks: Play, Spark Data: Postgres, MongoDB, Hudi Cloud: AWS (S3, ECS, Aurora, Lambda) DevOps: Jenkins, Airflow, Terraform Monitoring: Kibana, Grafana Ways of working: Agile (Scrum ...

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or DotNetNuke. Our client is passionate about continuous learning and will provide industry-recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum and Kanban. This ...

Senior Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £770/day
design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services and infrastructure-as-code using Terraform Strong experience with GitHub for version ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential Strong skills in JavaScript/TypeScript and Python, ensuring best practices are followed for clean and scalable code Demonstrated ability to work directly with designers, particularly using Figma ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential Strong skills in JavaScript/TypeScript and Python, ensuring best practices are followed for clean and scalable code Demonstrated ability to work directly with designers, particularly using Figma ...

Web GIS Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £340 per day
technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store. Develop custom tools and widgets using JavaScript, React JS, ArcGIS Experience Builder, and related frameworks. Support GIS data integration, migration, and transformation using tools like FME. Implement server side components ...

Fullstack developer

Hiring Organisation
Square One Resources
Location
Bournemouth, Dorset, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £410/day
scalability, and security across the development lifecycle. Key Responsibilities - Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, Python and MySQL. - Collaborate with cross-functional teams to define, design, and ship new features. - Some hands on knowledge on React JS, Redux, HTML5, CSS3 ...

Sharepoint engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
. Strong understanding of Microsoft 365 security/compliance: Purview, sensitivity labels, retention, DLP, information protection. Branding/customization: JSON formatting, themes, SPFx development (JavaScript/TypeScript, React). Experience or understanding of API based integrations and automations Copilot or AI tool knowledge or awareness. Excellent problem-solving and troubleshooting ...

Senior Software Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices Experience working in live production environments, ideally within regulated, government or secure systems Eligibility ...

AWS and Azure Integration Specialist - SC Clearance

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £525 per day
architectures in AWS/Azure Familiarity with API design and management , REST/SOAP , and event-driven architectures Hands-on experience with Python, JavaScript, or ETL/data transformati on tools Knowledge of SaaS platforms such as Salesforce, ServiceNow, SAP, or Pega Awareness of DevOps, CI/CD, and version ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £300 to £400 per day
Application Integration Lead the development and migration of GIS-based applications using ESRI technology stack. Utilize programming languages such as Python, SQL, and JavaScript for automation, data processing, and application development. Build custom and COTS-based solutions in ArcGIS Experience Builder using React JS. Spatial Analysis & Visualization Conduct geospatial analysis ...

Contract Front End Engineer - SC Cleared

Hiring Organisation
NSD
Location
Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
translate user needs into technical solutions Support containerised environments as part of the wider platform Produce clear documentation and prototypes Key Skills Strong JavaScript and front end development experience React (or similar frameworks such as Vue or Angular) Experience building responsive, user-focused interfaces Real-time data handling (e.g. WebSockets ...

SharePoint Office 365 Developer

Hiring Organisation
People First
Location
East London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£416 - £490 per day
self-motivated. Hands on development with Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS) Hands on experience with CSS, JavaScript, jQuery and HTML5 Solid Rest API and Graph API knowledge Early morning or late night shift working (occasionally). Weekend working (occasionally). Please follow ...

Dynamics Developer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£480/day Inside IR35
Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
. Strong understanding of low-code application architecture and lifecycle. Experience with integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer ...

ServiceNow Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Strong problem-solving skills, with the ability to work independently and within a team Technical Skills ServiceNow platform development and workflow configuration Web technologies: JavaScript, AngularJS, HTML, CSS, Bootstrap APIs and integrations: REST, SOAP, JSON, HTTP Experience building and maintaining ServiceNow integrations Strong troubleshooting, documentation and debugging capability Desirable Experience ...

Full Stack Developer (PoC + Application Server Technologies)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£537 per day
concept (PoC) development to support business and technical requirements Design, develop and maintain back-end services using Python Develop front-end solutions using modern JavaScript frameworks such as React Write and optimise SQL queries and data interactions Use Git for version control and collaborative development Ensure solutions meet security, performance ...

Senior UI React

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £900 per day
track record of delivering complex, enterprise-grade front-office e-trading systems in high-pressure, real-time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping ...

Salesforce Developer (SC Clearance Eligible)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £695/day Inside IR35
Processes (fka Integration Procedures) OmniScripts Skills in Apex (triggers, batch, web services) Integration Experience is beneficial (Mulesoft/APIGEE/Connected Apps) Experience of JavaScript/Lightning components Basic understanding of Apex sharing and security model Experienced with Lightning Web Components Skills in analysing and problem-solving issues Experience ...

Technical Support Engineer - UX

Hiring Organisation
Proactive Appointments
Location
Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Development Skills required UI development or support experience Experience with two or more of the following:Ability to read and debug Java and JavaScript (JavaScript coding is a plus) CSS, AJAX, ReactJS, GraphQL, AngularJS Mobile application development Experience using browser developer tools for troubleshooting Experience & Technical Skills Experience providing SaaS … tools such as Eclipse, Splunk, Xcode, Android Studio, or Sauce Labs Additional Technical Knowledge Strong understanding of cloud/web application architecture Scripting experience (JavaScript, Python, Perl, Unix Shell, Windows Shell) Experience with relational databases (eg MySQL, Oracle) Experience with object-oriented programming (Java preferred) Familiarity with Linux/Unix ...

Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £380 to £400 per day
Chat and Voice bot Azure communications Services Dynamics Solution Management CI/CD with Azure DevOps Power BI Reporting (CCaaS Analytics) C# (.Net), Javascript (client side in model driven) Desirable skills/knowledge/experience Experience in managing Onsite and Offshore model. ...

FLIGHT SIMULATION SOFTWARE ENGINEERS C/C

Hiring Organisation
Morson Edge
Location
Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35,000 - 65,000 Annual
/aerospace industry. Desirable Skills and Competencies • Experience of safety critical systems and software in aerospace, automotive or a related industry • Web technologies including Javascript, HTML, etc • C# & C++, Python programming • Windows application development using Visual Studio • Knowledge of ARINC, AFDX and/or CAN bus protocols • Atlassian toolset (Jira ...

FLIGHT SIMULATION SOFTWARE ENGINEERS C/C++

Hiring Organisation
Morson Edge
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£65,000
/aerospace industry. Desirable Skills and Competencies • Experience of safety critical systems and software in aerospace, automotive or a related industry • Web technologies including Javascript, HTML, etc • C# & C++, Python programming • Windows application development using Visual Studio • Knowledge of ARINC, AFDX and/or CAN bus protocols • Atlassian toolset (Jira ...

Service Now Developer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £701 per day
Technical Skills Strong ServiceNow development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal ...

Lead Technical Architect

Hiring Organisation
TXP Technology x People
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £751 per day
Critical) Strong hands on coding experience (not advisory only) Proven background as a developer, ideally progressing Junior Developer Developer Architect Expert-level experience with: JavaScript/TypeScript Node.js AWS CDK Actively comfortable contributing code in live delivery environments Enterprise architects will not be considered - this role requires a technical, code ...