Contract 'ECMAScript' Job Vacancies

1 to 25 of 120 Contract ECMAScript Jobs

Full-Stack Developer

Milton Keynes, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Experis
sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java and Spring Boot. Implement server-side logic, data models, and More ❯
Employment Type: Contract
Rate: £525 - £575/day
Posted:

Full-Stack Developer

Bletchley, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Experis
sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java and Spring Boot. Implement server-side logic, data models, and More ❯
Employment Type: Contract
Rate: GBP 525 - 575 Daily
Posted:

Java Developer

London, United Kingdom
Stott & May Professional Search Limited
performing, and scalable solutions. Core Responsibilities * Develop and maintain applications using Java, Spring Boot, and Hibernate. * Design and implement RESTful APIs and microservices. * Build responsive interfaces using HTML, CSS, JavaScript, and frameworks such as React, Angular, or Vue.js. * Manage relational and NoSQL databases. * Support CI/CD pipelines, containerisation (Docker, Kubernetes), and cloud deployments on AWS, Azure, or GCP. * Collaborate More ❯
Employment Type: Contract
Rate: £460 - £510 per day
Posted:

SC Cleared Azure Cloud Developer

Gloucestershire, South West, United Kingdom
IO Associates
security , compliance , and best practices for Azure environments. Required Skills & Experience Proven experience as an Azure Developer or DevOps Engineer . Strong programming skills in C#, .NET, Python, or JavaScript/TypeScript . Hands-on experience with Azure App Services, Functions, Logic Apps , and Storage Accounts . Proficiency in Azure DevOps , Git , and YAML pipeline configuration . Experience with Infrastructure More ❯
Employment Type: Contract
Rate: £475 - £525 per day
Posted:

.NET/Python Developer

Milton Keynes, Buckinghamshire, South East, United Kingdom
Henderson Scott
developing .NET Core, C#, Python, SQL Server applications, APIs, and cloud solutions ( AWS ?? ). Requirements: Strong C#, .NET Core, ASP.NET, Python, SQL Server ??? skills Front-end experience: Angular, React, JavaScript ? Cloud experience: AWS (Lambda, S3, SNS, SQS) ?? Agile & DevOps: Git, Jenkins, TFS ?? ?? Contract .NET/Python Developer - £500/day (Inside IR35) - Milton Keynes More ❯
Employment Type: Contract
Rate: £450 - £525 per day
Posted:

API Integration Specialist

Oxfordshire, South East, United Kingdom
Halian Technology Limited
Strong problem-solving, debugging, and testing skills. Ability to work collaboratively in a dynamic, cross-functional environment. Experience with project management or Agile methodologies. Desirable: Programming skills in Python, JavaScript, SQL, Java, C#, or Ruby. Experience with Microsoft Cloud, AWS, cloud infrastructure, or Microservices architecture. Familiarity with Power Apps, Power BI, Microsoft Graph API, Azure Logic Apps/Functions, and More ❯
Employment Type: Contract
Rate: From £500 to £525 per day
Posted:

Senior Java Developer

Galway, Galway County, Republic of Ireland
The Recruitment Company
advanced data engineering. What you bring 5+ years’ experience building modern web apps with Java. Expertise in Java, Microservices, Spring Boot, and Cloud (AWS preferred). Exposure to modern JavaScript/TypeScript frameworks is a nice to have, they have many applications running on Angular, & Node. Solid grasp of CI/CD pipelines and test-driven development. An agile mindset More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

Front End Developer (Mobile Apps)

Shefford, Bedfordshire, South East, United Kingdom
Stackstudio Digital Ltd
challenging projects that demand ambitious innovation and thought leadership. Key Responsibilities: Deliver high-quality front-end builds for responsive websites and mobile apps using React Native, HTML, CSS, and JavaScript with modern frameworks like React.js. Collaborate with designers and back-end developers to ensure seamless integration of front-end and back-end functionalities. Optimize mobile applications for performance and responsiveness More ❯
Employment Type: Contract
Rate: From £300 to £350 per day
Posted:

Senior Applications Developer

Southampton, Hampshire, South East, United Kingdom
Omega Resource Group
maintain application functionality. • Keeping abreast of emerging technologies and trends to contribute to continuous improvement • Write technical documentation Experience - Senior/Lead Application Developer (MERN) • Strong skills in Advanced JavaScript (NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React More ❯
Employment Type: Contract
Rate: £500 - 600 per day
Posted:

Senior Applications Developer

England, Marchwood, Hampshire, United Kingdom
Omega Resource Group
maintain application functionality. • Keeping abreast of emerging technologies and trends to contribute to continuous improvement • Write technical documentation Experience - Senior/Lead Application Developer (MERN) • Strong skills in Advanced JavaScript (NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Data Quality Engineer

Cardiff, South Glamorgan, Wales, United Kingdom
Stackstudio Digital Ltd
Azure OR GCP Cloud Good knowledge in GCP Storage Buckets, BigQuery, Dataflow and Cloud Functions (any Cloud). Hands-on experience with one or more programming languages (Java/JavaScript). Experience with non-functional testing using JMeter or similar tools. Proven experience creating best practices and policies to improve quality at program level. Strong technical skills and ability to More ❯
Employment Type: Contract
Rate: From £390 to £400 per day
Posted:

Software Developer

Gloucester, Gloucestershire, South West, United Kingdom
Morson Edge
Understanding of frameworks such as Angular or React to create intuitive and responsive user interfaces. • Familiarity with report creation using SSRS. • Understanding of front-end technologies including HTML5, CSS3, JavaScript, and modern frameworks/libraries. • Familiarity with version control systems such as Git. • Ability to learn new languages and technologies • Excellent communication skills • Resourcefulness and troubleshooting aptitude • Attention to detail More ❯
Employment Type: Contract
Rate: £40,000
Posted:

Frontend Developer XML/Typescript- Freelance

Nationwide, United Kingdom
GCS
API tasks under supervision Provide assistance with infrastructure and DevOps tasks as needed Technical Requirements Required: Basic understanding of XML processing and structure Proficiency in HTML5/CSS3 and JavaScript Ability to read and debug code Comfortable working with version control (Git) Strong self-learning ability through documentation Preferred (experience with or willingness to learn): React and/or Ember.js More ❯
Employment Type: Contract
Rate: £300 - £350/day (Outside IR35)
Posted:

Senior UI Developer Contract Dublin 6-18 Months

Dublin, City of Dublin, Republic of Ireland
Adecco
application and work to implement the same Work efficiently in matrix organisation, with global leadership. Actively involved in process improvements and automation's. Mandatory skills: Angular/ReactJS, HTML5, Javascript, CSS3, Expertise in Angular , Strong understanding of Design Pattern Good to have: Ag-Grid, HighchartJS, NgRx, Node.js. If this sounds like an interesting role drop me your CV so that More ❯
Employment Type: Contract
Rate: £431 - £517/day ltd company
Posted:

Senior Oracle APEX Software Engineer

Leicester, Leicestershire, East Midlands, United Kingdom
JAM Recruitment Ltd
required. About You We're looking for someone with: Strong expertise in Oracle APEX web application development. Proven experience with complex PL/SQL coding . Solid understanding of JavaScript within APEX applications. A disciplined approach to configuration control and development best practice. Experience working in Agile environments with tools such as Azure DevOps and Scrum. Excellent stakeholder communication skills More ❯
Employment Type: Contract
Rate: £425 - £525 per day + Umbrella, inside IR35
Posted:

C# Software Engineer

Stevenage, Hertfordshire, United Kingdom
Line Up Aviation
verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes If you are More ❯
Employment Type: Contract
Rate: £65.00/hour
Posted:

Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Guidant Global
verbal, presentation, and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes What happens now More ❯
Employment Type: Contract
Rate: Up to £65 per hour ; (Umbrella)
Posted:

Microsoft Teams Developer

London, South East, England, United Kingdom
Jonothan Bosworth
examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . Experience with Microsoft Teams app development or Microsoft More ❯
Employment Type: Contractor
Rate: £200 - £500 per day
Posted:

Senior APEX Developer

Bristol, Avon, South West, United Kingdom
JAM Recruitment Ltd
required. About You We're looking for someone with: Strong expertise in Oracle APEX web application development. Proven experience with complex PL/SQL coding . Solid understanding of JavaScript within APEX applications. A disciplined approach to configuration control and development best practice. Experience working in Agile environments with tools such as Azure DevOps and Scrum. Excellent stakeholder communication skills More ❯
Employment Type: Contract
Rate: £425 - £525 per day + Umbrella, inside IR35
Posted:

C# / C++ Software Engineer

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Certain Advantage
verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯
Employment Type: Contractor
Rate: £65.00 per hour, Inc benefits
Posted:

C# / C++ Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Certain Advantage
verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯
Employment Type: Contract, Work From Home
Rate: £65 per hour, Benefits Overtime Rate
Posted:

Software Engineer c# Synthetic Env

Stevenage, Hertfordshire, England, United Kingdom
Akkodis
verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes Overview of department More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Software Engineer

Suffolk, England, United Kingdom
Oscar Technology
start-up background preferred) Strong proficiency in Python and C#, with hands-on experience in API design and cloud architecture (Azure). Experience with Excel add-ins or Office JavaScript APIs is highly desirable. Exposure to vectorization, RAG (Retrieval-Augmented Generation), or AI-driven data handling frameworks is a big plus. Bonus: Background or interest in commercial real estate technology. More ❯
Employment Type: Contractor
Rate: £375 - £425 per day
Posted:

Software Engineer

Suffolk, East Anglia, United Kingdom
Oscar Associates (UK) Limited
start-up background preferred) Strong proficiency in Python and C#, with hands-on experience in API design and cloud architecture (Azure). Experience with Excel add-ins or Office JavaScript APIs is highly desirable. Exposure to vectorization, RAG (Retrieval-Augmented Generation), or AI-driven data handling frameworks is a big plus. Bonus: Background or interest in commercial real estate technology. More ❯
Employment Type: Contract
Rate: £375 - £425 per day
Posted:

Senior DevOps Engineer - £600 per day Inside IR35 - Contract

Liverpool, Merseyside, England, United Kingdom
Hybrid / WFH Options
Involved Solutions
and Kubernetes (ECS/EKS). Continuous Integration/Delivery: Skilled in managing CI/CD pipelines using Jenkins and GitHub Actions. Programming: Working knowledge of Go, Python, and JavaScript for automation and tooling. Responsibilities: Lead the development and operational support of secure, scalable web services. Champion automation across deployment, configuration, and monitoring processes. Govern and optimise multi-environment infrastructure More ❯
Employment Type: Contractor
Rate: £550 - £600 per day
Posted: