Contract ECMAScript Job Vacancies

1 to 25 of 119 Contract ECMAScript Jobs

Full Stack Software Development Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Guidant Global
UI components Maintain and test .NET microservices Create clear technical documentation Collaborate with a cross-functional team to deliver high-impact solutions What Do You Need?: Strong skills in JavaScript, TypeScript, HTML, CSS, C# Experience with Svelte, Angular, Vue.js, React, .NET 7/8 Hands-on with Docker, Kubernetes, GitLab, Node.js, CI/CD pipelines Solid understanding of OOP, data More ❯
Employment Type: Contract
Rate: Up to £67 per hour PAYE and Umbrella pay option available
Posted:

Fullstack Developer

Stevenage, Hertfordshire, England, United Kingdom
Meritus Talent
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contractor
Rate: £67.00 per hour
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Fullstack Developer

Stevenage, Hertfordshire, South East, United Kingdom
Yolk Recruitment
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract
Rate: Up to £67 per hour
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Full Stack Software Development Engineer

Stevenage, Hertfordshire, United Kingdom
Matchtech
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract
Rate: GBP 67 Hourly
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Full Stack Software Development Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Defence
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract
Rate: Up to £67 per hour
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Full Stack Software Development Engineer

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Certain Advantage
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contractor
Rate: £67.00 per hour, Inc benefits
Posted:

Full Stack Software Development Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Certain Advantage
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract, Work From Home
Rate: £67 per hour, Benefits Overtime Rate
Posted:

Full Stack Software Development Engineer

Stevenage, Hertfordshire, England, United Kingdom
Gold Group Ltd
documentation Collaborating with and assisting other members of the team The Role: So, what will you be doing as a Full Stack Software Development Engineer Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contractor
Rate: £60.00 - £67.00 per hour
Posted:

Software Full Stack Developer

Stevenage, Hertfordshire, United Kingdom
Akkodis
UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract
Posted:

Full Stack Software Developer

Stevenage, Hertfordshire, England, United Kingdom
Advanced Resource Managers Limited
month contract Based in Stevenage Offering up to £67ph Inside IR35 Do you have experience as a Full Stack Developer? Do you have experience with programming languages such as JavaScript? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Full Stack Software … the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Your skillset may include: Programming Languages - JavaScript, Typescript, HTML, CSS, C# Framework & Libraries - Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies - Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory Experience working on More ❯
Employment Type: Contractor
Rate: £60.00 - £67.00 per hour
Posted:

Full Stack Software Development Engineer

Stevenage, Hertfordshire, United Kingdom
Line Up Aviation
development of the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯
Employment Type: Contract
Rate: £67.00/hour
Posted:

Product Engineer / Software Engineer

City of London, London, United Kingdom
Mentmore Recruitment
bugs, and continuously improving. Support the automation of testing and deployment pipelines to improve release velocity and confidence. Technical Skills Required: Proficiency in modern programming languages and frameworks (e.g. JavaScript/TypeScript, Python, .NET, Node.js). Experience with frontend development (e.g. React, Angular, Hugo). Strong understanding of backend systems, API design, and system integration. Comfortable working with cloud platforms More ❯
Employment Type: Contract
Rate: £70000 - £80000/annum
Posted:

AI Solution Architect (AI Agents, Retail / eCommerce)

Central London, London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript, Next.js, etc.) applications to support AI-driven interfaces. Work closely with data scientists and ML engineers to integrate machine learning models into cloud-native applications. Ensure … in solution architecture with a focus on AI, APIs, and cloud technologies. Strong hands-on experience with AWS services related to AI/ML and serverless computing. Proficiency in JavaScript, TypeScript, Node.js, React.js, and Express.js for building full-stack applications. Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. Knowledge of microservices architecture, containerization (Docker More ❯
Employment Type: Contract, Work From Home
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Contract Senior Software Engineer - eDV Cleared

London, United Kingdom
Searchability
D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. More ❯
Employment Type: Contract
Rate: GBP 500 - 750 Daily
Posted:

Senior React Native Developer Mobile App

Dublin, County Dublin, Ireland
Hybrid / WFH Options
Randstad Technologies
role in delivering cutting-edge features with performance and security at the core. If you're passionate about mobile development and have a strong foundation in React Native, modern JavaScript/TypeScript, and native debugging, we'd love to hear from you. Key Responsibilities Develop and maintain mobile apps and responsive web solutions using React Native and TypeScript Tune app … performance and debug across iOS (Xcode) and Android (Gradle) platforms Work with D3.js to create custom SVG visualizations Embed local and remote web content in React Native applications Patch JavaScript and native code to address version upgrade issues Build components in isolation using Storybook Implement accessible, responsive Flexbox layouts and pass accessibility audits Integrate frontend with authentication providers (e.g., Azure More ❯
Employment Type: Contractor
Rate: £495 - £657 per day
Posted:

Senior React Native Developer (Mobile App)

Dublin, City of Dublin, Republic of Ireland
Hybrid / WFH Options
Randstad Technologies Recruitment
role in delivering cutting-edge features with performance and security at the core. If you're passionate about mobile development and have a strong foundation in React Native, modern JavaScript/TypeScript, and native debugging, we'd love to hear from you. Key Responsibilities Develop and maintain mobile apps and responsive web solutions using React Native and TypeScript Tune app … performance and debug across iOS (Xcode) and Android (Gradle) platforms Work with D3.js to create custom SVG visualizations Embed local and remote web content in React Native applications Patch JavaScript and native code to address version upgrade issues Build components in isolation using Storybook Implement accessible, responsive Flexbox layouts and pass accessibility audits Integrate frontend with authentication providers (e.g., Azure More ❯
Employment Type: Contract
Rate: £495 - £657/day
Posted:

Contract Python Developer 6 Months Remote Outside IR35

North London, London, England, United Kingdom
Hybrid / WFH Options
Maxwell Bond
working with RESTfulAPIs (FastAPI, Flask, or similar) Awareness of MongoDB or similar SQL solutions Nice-to-have: Experience with Docker and/or Kubernetes Exposure to Vue.js or other JavaScript frameworks like React or Angular Even if you don’t tick every box, strong Python developers with cloud and API experience still want to discuss it just in case...still feel More ❯
Employment Type: Contractor
Rate: £425.00 - £450.00 per hour
Posted:

Java Engineer

Glasgow, Lanarkshire, Scotland, United Kingdom
Hays Specialist Recruitment Limited
in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) UI Technology - React or Angular, TypeScript, CSS, Micro Frontend Development, and JavaScript Backend Technology - Java/Spring, Kafka, NoSQL (MongoDB, Cassandra) The following skills and experience are desirable for this role: Exposure to cloud technologies Experience in architecture and design of microservices More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Java Engineer

Glasgow, City of Glasgow, United Kingdom
Hays Technology
in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) UI Technology - React or Angular, TypeScript, CSS, Micro Frontend Development, and JavaScript Backend Technology - Java/Spring, Kafka, NoSQL (MongoDB, Cassandra) The following skills and experience are desirable for this role: Exposure to cloud technologies Experience in architecture and design of microservices More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Dynamics 365 Developer - Solihull - 6 Month Contract

Shirley, West Midlands, United Kingdom
Pontoon
comprehensive documentation for all development and integration activities. Technical Skills: Proficiency in Dynamics 365 and Power Platform (CRM, Customer Services, Sales and Marketing). Strong knowledge of C# .NET, JavaScript, HTML, and SQL. Proven experience with Power Platform (Power Apps, Power Automate, Power Pages), including Power Platform Application Lifecycle Management Proven experience of the Dynamics and Power Platform Familiarity with More ❯
Employment Type: Contract
Rate: GBP 500 - 650 Daily
Posted:

Dynamics 365 Developer - Solihull - 6 Month Contract

Solihull, West Midlands, West Midlands (County), United Kingdom
Pontoon
comprehensive documentation for all development and integration activities. Technical Skills: Proficiency in Dynamics 365 and Power Platform (CRM, Customer Services, Sales and Marketing). Strong knowledge of C# .NET, JavaScript, HTML, and SQL. Proven experience with Power Platform (Power Apps, Power Automate, Power Pages), including Power Platform Application Lifecycle Management Proven experience of the Dynamics and Power Platform Familiarity with More ❯
Employment Type: Contract
Rate: £500 - £650/day
Posted:

ServiceNow Consultant - London Market, Insurance, Contract

City of London, London, United Kingdom
Hybrid / WFH Options
Hanson Lee Resourcing Ltd
such as App Engine, IT Service Management (ITSM), IT Operations Management (ITOM), Security Operations (SecOps), Customer Service Management (CSM) & Financial Services Operations (FSO). 4+ years of experience in JavaScript or its frameworks such as Angular, React or Vuejs. Minimum 3-5 years experience as a Technical Lead in the insurance industry having implemented scalable, resilient, and secure solutions within More ❯
Employment Type: Contract, Work From Home
Rate: Up to £600 per day
Posted:

Full Stack JavaScript Developer - Contract

Manchester, Lancashire, England, United Kingdom
iO Associates
Full Stack JavaScript Developer - Contract Manchester hybrid (3 days onsite per week) Outside IR35 £450 - £525 per day Contract Length: 6 months I'm working with a SaaS start-up in the B2B retail space they've just closed Series A and are kicking off a new payments platform for their client base. They're building smart tools for retailers … to manage suppliers, stock, and payments all in one place. They need a strong full stack JavaScript contractor to help lead this greenfield build. You'll be working closely with the CTO and product team to bring the new feature to life. The stack: Frontend: Vue3, TypeScript Backend: Node.js, PostgreSQL, Stripe API, GraphQL exposure, RESTful API design Infrastructure: Docker, AWS … CI/CD Pipelines What they need from you: 5+ years of full stack JavaScript experience with strong commercial use of Vue and Node Ability to design, develop and document scalable APIs and microservices Comfortable integrating third-party services (Stripe experience essential) Experience managing PostgreSQL databases and designing relational data models Strong TypeScript fundamentals and ability to enforce typing and More ❯
Employment Type: Contractor
Rate: £450 - £525 per day
Posted:

SIP/Dev ops Engineer

East Sussex, England, United Kingdom
Salt Search
SBC technologies Hands-on experience with Oracle and AudioCodes SBCs, ARM/ECB, and backend management tools Familiarity with DevOps tools , Agile delivery, and automation practices Proficiency in Python , JavaScript , HTML/CSS , or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) - Network+ or CCNA a plus Cloud certification (AWS, Azure or GCP preferred) Experience in writing More ❯
Employment Type: Contractor
Rate: £335 - £340 per day
Posted:

Software Engineer 3 (AWS)

Isleworth, London, United Kingdom
Lancesoft Ltd
working and following the best practices of using AWS serverless. Proven ability to refactor and write performant and clean code Existing experience or ability to very quickly pick up JavaScript/Typescript. It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc Responsibility for reviewing and testing More ❯
Employment Type: Contract
Rate: From £450 to £500 per day
Posted: