Contract JavaScript Jobs in London

1 to 25 of 43 Contract JavaScript Jobs in London

2025-0174 L3 App Support for HR and CIS Security NS BELGIUM - 11 JUL RELAUNCH

London, South East, England, United Kingdom
Park Lane Recruitment Ltd
them): HTML5, REST Services, Web Services, XML, SQL, Visual Basic for Applications; Application server technologies and Relational data base management systems; programming languages and platforms like .NET, C#, JAVA, JavaScript More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

ServiceNow Architect

London, South East, England, United Kingdom
Henderson Scott
Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture Enterprise integration patterns Exposure to other ITSM platforms (e.g., BMC Remedy, HP More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

ServiceNow Architect

London, United Kingdom
Henderson Scott
Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture Enterprise integration patterns Exposure to other ITSM platforms (e.g., BMC Remedy, HP More ❯
Employment Type: Contract
Posted:

Senior ServiceNow Architect - MUST HOLD SC AND NPPV3 CLEARANCE - Remote (80%) and London (20%)

London, United Kingdom
Hybrid / WFH Options
Octopus Computer Associates
knowledge, enterprise integration patterns Experience in Jira, Confluence, Rabbit MQ, Apache Camel, DevOps Experience developing and implementing systems using Agile/Scrum methodology Experience with working or developing with JavaScript - HTML5, Jelly, jQuery and AngularJS a plus Responsibilities Collaborate with suppliers, client teams, and stakeholders. Strong communication and stakeholder engagement Ability to lead and mentor technical teams Facilitate sign-off More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior ServiceNow Architect - SC & NPPV3 Cleared

London, United Kingdom
Hybrid / WFH Options
Whitehall Resources Ltd
patterns . Experience in Jira, Confluence, Rabbit MQ, Apache Camel, DevOps . Experience developing and implementing systems using Agile/Scrum methodology . Experience with working or developing with JavaScript - HTML5, Jelly, jQuery and AngularJS a plus Responsibilities: . Collaborate with suppliers, client teams, and stakeholders. . Strong communication and stakeholder engagement . Ability to lead and mentor technical teams More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior ServiceNow Architect

London, United Kingdom
Hybrid / WFH Options
Trust In Soda
Landesk. Experience with orchestration tools (eg, HP Operations Orchestrator, BMC Atrium Orchestrator). Solid understanding of microservices architecture and enterprise integration patterns. Agile/Scrum development experience. Proficiency with JavaScript, HTML5, Jelly, jQuery, AngularJS. Familiarity with DevOps, Jira, Confluence, RabbitMQ, Apache Camel. ServiceNow Developer certification is a plus. Security Requirements: Active SC & NPPV3 clearance (NPPV3 must be with The Police More ❯
Employment Type: Contract
Rate: GBP 680 Daily
Posted:

Contract Python Developer

North London, London, England, United Kingdom
Maxwell Bond
working with RESTful APIs (FastAPI knowledge is a bonus) Familiarity with cloud platforms (GCP preferred, but AWS/Azure fine) Awareness of MongoDB Bonus: Docker/Kubernetes and any JavaScript framework (Vue ideal) Even if you feel you don’t tick every box but you're immediately available and ready to hit the ground running, please apply anyway and we More ❯
Employment Type: Contractor
Rate: £420 - £450 per 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:

Camunda Tech Lead

London, United Kingdom
Hybrid / WFH Options
Queen Square Recruitment Limited
supporting platform delivery Support continuous integration and DevOps practices Essential Skills & Experience: Java, Spring Boot (Data, Integration, Web), JPA Camunda 8, JBPM Microservice architecture and development SPA development using JavaScript, React JS Agile software development practices Domain-Driven Design (DDD) EAI patterns, Git, JIRA, Confluence Desirable Skills: Rules Management (Drools/DMN) Complex Event Processing (CEP) Architectural pattern design Cloud More ❯
Employment Type: Contract
Posted:

Web Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Sanderson
/Improve companies Website & Company Internet to improve their Customer and Staff user experience. Requirements: Experience of improving Web Pages/Website and Company Intranets Experience of .Net, HTML, JavaScript and CSS technologies, SQL Server Experience of working on Front-End Web with links to Back-End, primarily Front End Experience of working in a small team Ability to resolve More ❯
Employment Type: Contractor
Rate: £500 - £550 per day
Posted:

Senior Salesforice Developer

London, United Kingdom
IT Talent Solutions Ltd
have 5 years + of in-depth, hands on experience and come from a strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Ruby Developer

London, United Kingdom
Hybrid / WFH Options
Talent International
complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific Back End services and tooling. Solid understanding of JavaScript for Front End integration and broader development needs. Experience with relational databases (eg, PostgreSQL, MySQL). Familiarity with version control systems (eg, Git). Understanding of agile development methodologies. SC More ❯
Employment Type: Contract
Rate: GBP 500 - 550 Daily
Posted:

Salesforce Developer

City of London, London, United Kingdom
Experis
management Strong attention to detail and ability to multitask Strong leadership and mentoring skills Proven track record of successful Salesforce projects Strong understanding of web development concepts and languages (JavaScript, HTML, CSS) Ability to work well in a team environment All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will More ❯
Employment Type: Contract
Rate: £520 - £521 per day
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:

Power Apps Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan Law
on integration with Integra (finance), Axiom (budget management), Northgate/Zellis (HR and payroll) or similar finance/HR systems via REST or OData APIs Proficient in Power Fx, JavaScript/TypeScript, .NET C#, T-SQL, DAX and JSON Experience with Azure Functions, Logic Apps, Service Bus, API Management and DevOps pipelines More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

ServiceNow Developer

London, South East, England, United Kingdom
Gleeson Recruitment Group
Virtual Agent , Workspaces , Catalog Builder , and UI Builder to deliver scalable solutions. Configure and develop custom modules, forms, and workflows in alignment with evolving business requirements. Leverage scripting skills ( JavaScript , Glide API ) to optimize functionality and enhance user experience through automation. Drive process improvement through workflow automation and ServiceNow best practices. Integration and Reporting: Monitor and fine-tune system performance More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

ServiceNow Developer

London, United Kingdom
Gleeson Recruitment Group
Virtual Agent, Workspaces, Catalog Builder, and UI Builder to deliver scalable solutions. Configure and develop custom modules, forms, and workflows in alignment with evolving business requirements. Leverage scripting skills (JavaScript, Glide API) to optimize functionality and enhance user experience through automation. Drive process improvement through workflow automation and ServiceNow best practices. Integration and Reporting: Monitor and fine-tune system performance More ❯
Employment Type: Contract
Posted:

Java Engineer Smart Contracts

London, United Kingdom
Hybrid / WFH Options
The Difference Engine
contracts a plus. Here are the essential skills the client needs:- 3+ years of software development experience in one or more general purpose programming languages such as Java/JavaScript/Python, and expected to be hands-on to software development tasks Solid Experience in AWS Cloud development/deployment (other Cloud dev exp. would be a plus) Experience implementing More ❯
Employment Type: Contract
Rate: GBP Daily
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
Tiro Partners
Software Engineer/JavaScript/AWS/SaaS/Oracle Simphony Outside IR35 Contract Role Role: Software Engineer Salary: £600 a day Location: Fully Remote Duration: 3 months initial Software Engineer/JavaScript/AWS/SaaS/Oracle Simphony Responsibilities Design, code, test and manage various applications Experience developing SaaS/Software products Debug code Collaborate with engineering team … standards of quality related to code and systems Work closely with front-end developers in building and extending APIs Develop automated tests and conduct performance tuning Skills Experience with JavaScript & Oracle Simphony Experience building & integrating APIs Excellent knowledge of SQL Familiar with AWS or similar Excellent communication skills Knowledge of practices and procedures for full software design life cycle Qualifications … Bachelor's degree in Computer Science or relevant field 5+ years of experience working with JavaScript/Oracle Simphony Experience within the financial sector (bonus) Experience with Gitlab If you believe you are the Software Engineer with experience in JavaScript & Oracle Simphony we are looking for then please do not hesitate to apply or send your cv directly Software Engineer More ❯
Employment Type: Contract
Rate: £575 - £600/day
Posted:

Power Platform Developer

London, United Kingdom
Adecco
It is hybrid and will require 3x days onsite per week. Role and Responsibilities: Development and support of low code SMBC BI Business applications using Power platform, M365, C#, JavaScript as well as support of HCL Notes (Lotus notes) using Formula language and LotusScript. You will collaborate closely with business users and stakeholders to understand requirements, design innovative solutions, and More ❯
Employment Type: Contract
Rate: £400 - £415/day
Posted:

Power Platform Developer / low code developer

London, United Kingdom
Pontoon
enhancing operational efficiency! Required Skills: Strong experience with Power Platform and Power Apps. Experienced in Power Automate, Model Driven Apps and Dataverse is essential Proficiency in M365, C# and JavaScript Experienced in HCL Notes (Lotus Notes - Version 9 ,12), Formula Language, and Lotus Script. Knowledge of Power Automate, Power BI, SharePoint, Teams, and Common Data Service (CDS). Experience with More ❯
Employment Type: Contract
Posted:

Power Platform Developer / low code developer

London, South East, England, United Kingdom
Pontoon
enhancing operational efficiency! Required Skills: Strong experience with Power Platform and Power Apps. Experienced in Power Automate, Model Driven Apps and Dataverse is essential Proficiency in M365, C# and JavaScript Experienced in HCL Notes (Lotus Notes - Version 9 ,12), Formula Language, and Lotus Script. Knowledge of Power Automate, Power BI, SharePoint, Teams, and Common Data Service (CDS). Experience with More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Salesforice Developer

Richmond upon Thames, Greater London, Richmond, United Kingdom
IT Talent Solutions
have 5 years + of in-depth, hands on experience and come from a strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an More ❯
Employment Type: Contract
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 Software Developer, C# .NET, Remote, £425 day rate, Outside IR35, COR7283

London, South East, England, United Kingdom
Hybrid / WFH Options
Corriculo Ltd
Full Stack Software Developer? Proven experience developing full stack applications with C# and .NET Core Experience with Microsoft SQL Server Strong front-end development skills with HTML, CSS, and JavaScript Experience working with Microsoft Azure Knowledge of good software design and secure coding principles Solid understanding of good user interface design What Next? If you’re an experienced Full Stack More ❯
Employment Type: Contractor
Rate: £375 - £425 per day
Posted:
JavaScript
London
10th Percentile
£356
25th Percentile
£425
Median
£575
75th Percentile
£750
90th Percentile
£838