Contract ECMAScript Job Vacancies

51 to 75 of 181 Contract ECMAScript Jobs

Angular Web Developer

Hampshire, South East, United Kingdom
Gerrell & Hard
as required. Required Degree and industry experience in: Web Development Experienced developer with a proven track record of delivering projects on time. Expert/experienced in: - Angular - HTML - CSS - JavaScript, Typescript - Inter-process communication mechanisms (e.g. gRPC, ZMQ) - Front-end testing frameworks (eg.Playwright) and testing experience. - Language-agnostic data structures (e.g.Protocol Buffers/FlatBuffers) Other Understanding of the fundamentals of More ❯
Employment Type: Contract
Posted:

Integration Developer-Azure-Salesforce-Student records

London, United Kingdom
Hybrid / WFH Options
InterQuest Group (UK) Limited
legacy student systems, particularly around data integration and synchronisation. Good understanding of CI/CD pipelines, automated testing, and Infrastructure-as-Code (ARM, Bicep, Terraform) Proficient in C#, PowerShell, JavaScript, or equivalent languages used in Azure development. Familiarity with Azure DevOps, GitHub, or similar tooling for backlog, code, and release management. Experience working in Agile delivery teams with story-based More ❯
Employment Type: Contract, Work From Home
Rate: £450 per day
Posted:

Software Engineering Manager - (Outside IR35)

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Sanderson Recruitment
Engineering Manager, Tech Lead, or Senior Software Manager. Ability to stay close to technology while providing leadership and strategic direction. Strong background in modern engineering practices; full-stack experience (JavaScript, Java, AWS) is ideal, though the client is open on technical background. Track record of delivering complex, large-scale software platforms in financial services or other regulated industries. Excellent communication More ❯
Employment Type: Contract
Posted:

QA Analyst

London, South East, England, United Kingdom
Hybrid / WFH Options
Pontoon
smart order routing). Understanding of interest rate derivatives (swaps, futures). Familiarity with automation testing (advantageous). Strong knowledge of SDLC in Agile environments. Technical skills: SQL, Python, JavaScript, APIs, data reconciliation. Experience with Microsoft Office tools (Word, Excel, PowerPoint, Outlook). Strong documentation, bug reporting, and prioritisation skills. Excellent problem-solving, communication, and stakeholder management skills. Personal Attributes More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Integration Developer

Sutton, United Kingdom
The Royal Marsden NHS Foundation Trust
between systems, able to design solutions to support all necessary information flows. Industrial grade programming skills, fully conversant with several of the following languages and technologies: Cache Object Script, JavaScript, C#, SQL, HTML, XML, XSLT, XDS, SOAP/RESTful Web Services. Knowledge of information security and data protection in respect of patient and clinical information. Good organizing skills with attention More ❯
Employment Type: Fixed-Term
Salary: £61631.00 - £68623.00 a year
Posted:

Software Engineer

Bristol, Avon, South West, United Kingdom
Oscar Associates (UK) Limited
This is a hands-on role where you'll work across the full stack. Back-end services in C#/.NET and Python, and dynamic front-end applications using JavaScript, React, Node.js, and TypeScript. Location: Bristol (On-site) Contract: 6 Months (OIR35) Rate: £350-450 p/day Start date: ASAP Key Responsibilities: Build and maintain software using C#/… .NET, Python, JavaScript, React, Node.js, and TypeScript Develop and optimise APIs, services, and integration layers. Deliver end-to-end features across back-end, front-end, and cloud-hosted environments. Write clean, efficient, and maintainable code following best practices. Contribute to code reviews, testing, and Agile ceremonies. Troubleshoot and resolve application-level performance and reliability issues. Key Skills: Commercial experience with … C#/.NET, Python, JavaScript/React. Strong knowledge of Node.js, TypeScript, and modern full-stack development. Experience with SQL/NoSQL databases (PostgreSQL, MongoDB, SQL Server). Familiarity with cloud environments (AWS, Azure, or GCP). Solid grounding in software engineering best practices - testing, design patterns, version control (Git). Agile team experience with strong communication and collaboration skills. More ❯
Employment Type: Contract
Rate: £350 - £450 per day
Posted:

Website Developer (Rebuild)

Houghton Regis, Central Bedfordshire, Bedfordshire, United Kingdom
James Newbury
frameworks such as Angular, React, and Django. Collaborate with UX/UI designers to create visually appealing and user-friendly interfaces. Write clean, maintainable code in languages such as JavaScript, PHP, Python, and Ruby. Implement RESTful APIs and integrate third-party services. Manage databases using MySQL, PostgreSQL, Microsoft SQL Server, or MongoDB. Utilise version control systems like Git or SVN … industry trends and best practices in web development. Able to travel abroad to meetings with the HQ Web Developer (Norway) Qualifications Proficiency in front-end technologies including HTML, CSS, JavaScript (and frameworks such as jQuery and Bootstrap). Experience with back-end technologies such as Node.js, .NET, or Ruby on Rails. Familiarity with data visualisation techniques and tools. Understanding of More ❯
Employment Type: Contract
Rate: £34000 - £39000/annum +31 days hols +parking+pension+h/c
Posted:

Oracle CPQ Developer - REMOTE

City of London, London, United Kingdom
Hybrid / WFH Options
Access Computer Consulting
several years of hands-on Oracle CPQ experience. Implementation Experience in CPQ Commerce and Configuration flows is essential. You must also have deep expertise in SQL, Java/C#, JavaScript, jQuery, XML/XSL, and BML. Experience with Agile/SCRUM is also required for this role. You must have the ability to support multiple geographically dispersed teams and have More ❯
Employment Type: Contract
Rate: £450 - £510/day
Posted:

Front End Developer

Maidstone, Kent, England, United Kingdom
Proactive Appointments
on site 3 days per week on site. This role has been scoped Outside of IR35. Hybrid – 3 days Outside IR35 Keys skills & experience Front end development – CSS, HTML, JavaScript React System monitoring tools Automated testing frameworks Scripting Unix Supporting and consulting with UX team Excellent Communication skills. Due to the volume of applications received for positions, it will not More ❯
Employment Type: Contractor
Rate: £325 - £350 per day
Posted:

Software Engineering Lead

Bristol, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
team processes, and overall developer experience. Delivering direct, constructive feedback to foster individual and team growth. Promoting a collaborative, accountable, and high-performance team culture. Tech stack: Node.js, ReactJS, JavaScript, TypeScript, npm, AWS, Jenkins, Terraform, and PostgreSQL. The client is however open to strong candidates with adjacent skill sets. The technical stack is flexible for the right person. More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

Software Engineering Lead

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
team processes, and overall developer experience. Delivering direct, constructive feedback to foster individual and team growth. Promoting a collaborative, accountable, and high-performance team culture. Tech stack: Node.js, ReactJS, JavaScript, TypeScript, npm, AWS, Jenkins, Terraform, and PostgreSQL. The client is however open to strong candidates with adjacent skill sets. The technical stack is flexible for the right person. More ❯
Employment Type: Contract
Rate: GBP 500 - 600 Daily
Posted:

AI Architect / Developer

Glasgow, Lanarkshire, Scotland, United Kingdom
McGregor Boyall Associates Limited
participating in architecture communities of practice. Staying ahead of technology trends such as cloud, AI, distributed systems, and data security. What we're looking for: 5+ years' experience in JavaScript, Java, TypeScript, or Python. Strong background in architecting and building complex systems. Knowledge of financial services applications (risk, transaction processing, data security). Strong communication skills to present complex ideas More ❯
Employment Type: Contract
Rate: £55 - £67.45 per hour
Posted:

Applications Developer

Southampton, Hampshire, South East, United Kingdom
Hybrid / WFH Options
Omega Resource Group
on projects and work alongside development members and business partners to develop microservices. • Drive the development of web applications using the MERN stack. Experience - Application Developer • Advanced skills in JavaScript (NodeJS ES6) technologies. • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy More ❯
Employment Type: Contract
Rate: £400 - 500 per day
Posted:

Applications Developer

Marchwood, Hampshire, United Kingdom
Hybrid / WFH Options
Omega Resource Group
on projects and work alongside development members and business partners to develop microservices. • Drive the development of web applications using the MERN stack. Experience - Application Developer • Advanced skills in JavaScript (NodeJS ES6) technologies. • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy More ❯
Employment Type: Contract
Rate: GBP 400 - 500 Daily
Posted:

Applications Developer

Southampton, Marchwood, Hampshire, United Kingdom
Hybrid / WFH Options
Omega Resource Group
on projects and work alongside development members and business partners to develop microservices. • Drive the development of web applications using the MERN stack. Experience - Application Developer • Advanced skills in JavaScript (NodeJS ES6) technologies. • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy More ❯
Employment Type: Contract
Rate: £400 - £500/day
Posted:

AI Architect

Glasgow, Lanarkshire, Scotland, United Kingdom
Henderson Scott
relevant to enterprise-scale environments Skills required: Proven ability to architect and deliver complex end-to-end systems Extensive hands-on experience in one or more of the following: JavaScript, Java, TypeScript or Python Understanding of transaction processing, risk management and data security within enterprise systems Strong problem-solving skills and experience designing innovative solutions in complex environments Ability to More ❯
Employment Type: Contract
Rate: £400 - £440 per day + PAYE + holiday pay
Posted:

Contingent - Senior Oracle APEX Developer

United Kingdom
Techniche Global Ltd
toolset and its use to design and develop web applications. Demonstrable competence developing complex server-side PL/SQL code for data input validation and data import/export. JavaScript knowledge and experience. Disciplined and methodical approach to configuration control. To attend workshops/reviews/stand-ups to discuss the development project, demonstrate progress to date and communicate with More ❯
Employment Type: Contract
Rate: GBP 425 - 525 Annual
Posted:

Contingent - Senior Oracle APEX Developer

South West, United Kingdom
Techniche Global Ltd
toolset and its use to design and develop web applications. Demonstrable competence developing complex server-side PL/SQL code for data input validation and data import/export. JavaScript knowledge and experience. Disciplined and methodical approach to configuration control. To attend workshops/reviews/stand-ups to discuss the development project, demonstrate progress to date and communicate with More ❯
Employment Type: Contract
Rate: £425 - £525/annum GBP
Posted:

ServiceNow Developer - Security Cleared

London, United Kingdom
Parker Shaw
be acceptable. This is a role within the in-house ServiceNow capability for the client, supporting the development of enterprise workflows and data-driven decisions. Technical Skills Proficiency in JavaScript: Core Scripting language used in ServiceNow. Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and More ❯
Employment Type: Contract
Rate: GBP 35 Annual
Posted:

UI/UX Designer

London, South East, England, United Kingdom
Certain Advantage
design principles and responsive design. Experience with prototyping tools and usability testing. Excellent communication and collaboration skills. Portfolio showcasing relevant design projects and process. Familiarity with HTML, CSS, and JavaScript is a plus. Experience working in Agile/Scrum environments. Knowledge of accessibility standards and inclusive design. Does this sound like your next career move? Apply today!Working with Certain More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Full Stack Engineer AI/ML, Python, Agentic

London, South East, England, United Kingdom
Hybrid / WFH Options
Salt Search
Selenium, and iOS functional automation. Experience with testing activities across the entire lifecycle of the project from inception to delivery. Front-End Development: Design and implement user interfaces using JavaScript, and frameworks such as React. Back-End Development: Develop and maintain server-side logic using Python. Manage APIs and integrate third-party services and tools. Ensure application data integrity and More ❯
Employment Type: Contractor
Rate: £500 - £700 per day
Posted:

ServiceNow Developer - SC

London, United Kingdom
Hybrid / WFH Options
Aspect Resources
Inside IR35 Security Clearance : SC This is a role within the in-house ServiceNow capability supporting the development of enterprise workflows and data-driven decisions. Technical Skills Proficiency in JavaScript: Core Scripting language used in ServiceNow. Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and More ❯
Employment Type: Contract
Rate: GBP 650 - 700 Daily
Posted:

Full Stack Developer

ST4, Stoke-on-Trent, Staffordshire, United Kingdom
Hybrid / WFH Options
Uniting People
a talented and motivated Full Stack Developer to join our dynamic development team. The ideal candidate will have strong experience in building modern, responsive web applications using React, C#, JavaScript, and TypeScript, with a solid understanding of .NET and Azure environments. Experience with Azure Functions, Web API, Web Apps, Azure Logic Apps, and DevOps workflows including pipelines, deployments, and PowerShell … environment. Ability to manage multiple tasks and meet deadlines in a fast-paced environment. Essential Skills : React, .NET, Azure, Azure Functions, Web API, Web Apps, Azure Logic Apps, C#, JavaScript, TypeScript, DevOps workflows (pipelines, deployments, PowerShell) Beneficial skills: SQL, UX/UI Collaboration, Git, Okta integrations, Okta logins, App integrations pelines, deployments, PowerShell More ❯
Employment Type: Contract
Rate: £450 - £500/day Inside IR35
Posted:

UI Lead

London, South East, England, United Kingdom
Lorien
UI Lead - Financial Services Key Skills: React, TypeScript, JavaScript, Node.js Front end focused role. Responsibilities: Lead UI development across financial platforms using React and TypeScript. Collaborate with UX, backend, and product teams to deliver scalable solutions. Architect and maintain reusable components and design systems. Integrate frontend with Node.js-based services and APIs. Champion best practices in performance, accessibility, and code More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Machine Learning Engineer

Manchester, North West, United Kingdom
Fortice Ltd
Clearance Required Were working with a leading consultancy on a Machine Learning Software Engineer contract, delivering high-impact projects in secure government environments. Youll bring: Python and/or JavaScript/TypeScript experience, strong AWS skills, Kubernetes, CI/CD, and experience with data platforms, high-volume processing, API development, and Terraform. Exposure to Helm, Argo, or Tekton is a More ❯
Employment Type: Contract
Rate: £600 per day Inside IR35
Posted: