Contract ECMAScript Jobs in London

1 to 25 of 40 Contract ECMAScript Jobs in London

QA Automation Engineer

London, United Kingdom
Falcon Chase International
Agile/iterative environments within cross-functional teams. Solid understanding of software testing principles, methodologies, and best practices . Excellent analytical, communication, and problem-solving skills. Working knowledge of JavaScript/TypeScript for creating or maintaining automation scripts. Desirable Skills Experience with performance, regression, or security testing . Familiarity with government security standards or compliance-driven projects (nice to have More ❯
Employment Type: Contract
Rate: GBP Annual
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:

IT Tutor - Software Engineering & Development

East London, London, United Kingdom
Langton not 4 profit
equivalent qualification/knowledge gained through experience. Knowledge of Software Developing Tools and Concepts at Level 3 and 4. Knowledge and application of the programme languages C#, HTML5, CSS3, JavaScript, SQL, Python, Java, PHP, Mobile app design & Development. Creativity and flexibility to develop and enhance teaching materials in order to engage learners and respond to learner interests. This is an More ❯
Employment Type: Contract, Part Time
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Sharepoint Expert

London, United Kingdom
Brightbox GRP Ltd
administration, or consulting roles. - Strong proficiency in SharePoint Online, SharePoint 2016/2019, and Office 365. - Expertise in SharePoint Framework (SPFx), PowerShell, REST APIs, and SharePoint Designer. - Proficiency in JavaScript, C#, HTML/CSS, and SQL Server for custom development and integration. - Experience with document management best practises, including metadata tagging, version control, and retention policies. - Familiarity with AI integration More ❯
Employment Type: Contract
Rate: £400 per day
Posted:

Software Engineer

City, London, United Kingdom
Uniting People
contract role - 3 months initial We're looking for a skilled contract Software Engineer with Security Clearance working Inside Ir35. London based - 2/3 days onsite Essential Skills: Javascript React Typescript Node for application development More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Software Engineer

EC4A, Farringdon Without, Greater London, United Kingdom
Uniting People
contract role - 3 months initial We're looking for a skilled contract Software Engineer with Security Clearance working Inside Ir35. London based - 2/3 days onsite Essential Skills: Javascript React Typescript Node for application development More ❯
Employment Type: Contract
Posted:

Contract Software Engineer

London, United Kingdom
Hybrid / WFH Options
Langham Recruitment
Ability to develop and maintain mobile apps across iOS and Android platforms. Web3 (Preferred): Familiarity with blockchain, smart contracts, and decentralised applications is a plus. Strong proficiency in modern JavaScript/TypeScript, component-based architecture, and responsive design. Experience in CI/CD pipelines, testing practices, and rapid iteration workflows. Candidate Profile: Comfortable in fast-moving, scale-up style environments. More ❯
Employment Type: Contract
Rate: £400 - £500/day Rolling 3 Month Contract | Outside IR35
Posted:

Contract Software Engineers - OO PHP / Laravel / Symfony / AWS

City of London, London, England, United Kingdom
Davies Talent Solutions
There are no dedicated testers, so attention to code quality is essential. Tech Stack OO PHP (7/8), bespoke MVC, Laravel , Symfony MySQL , Docker , AWS (EC2, RDS, Amplify) JavaScript , Bootstrap (minimal front-end work) Testing : PHPUnit, Behat, TDD practices CI/CD , GitLab, GitHub Security-first mindset (OWASP principles, secure coding) Ideal Candidate Proven experience in OO PHP development More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

SC + NPPV3 Cleared Java Developer

London, United Kingdom
Hybrid / WFH Options
Damia Group Ltd
Developers to work on a Law Enforcement programme. Key Responsibilities: Work on data mapping and report writing in Java. Essential Skills: Java AWS Spring Boot Kafka Desirable Skills: React JavaScript SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Damia Group Limited acts as an employment agency for permanent recruitment and employment business More ❯
Employment Type: Contract
Rate: £550 - £600 per day + Inside IR35
Posted:

SDET Software Developer in Test

London, South East, England, United Kingdom
Sanderson
contract £425 - £475 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Selenium and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

ServiceNow Architect

London, United Kingdom
Adroit People Ltd
Skills & Qualifications: 8+ years of experience in ServiceNow platform architecture and development. Minimum 2 years of hands-on experience architecting solutions in S2P and SOM modules. Strong command of JavaScript, Flow Designer, Script Includes, Business Rules, and UI Actions. Expertise in Integration Hub, MID Servers, and external system integrations. Deep understanding of ITSM, CSM, Procurement, and Finance domain processes. Certifications More ❯
Employment Type: Contract
Rate: £450 per day
Posted:

Technical Solutions Consultant (AdTech)

London, South East, England, United Kingdom
US TECH SOLUTIONS LIMITED
thinking and customer empathy What We’re Looking For: 2+ years of experience in a technical support, AdTech, or solutions engineering role Proven experience with web technologies : HTML, CSS, JavaScript, HTTP Comfortable working with SQL , APIs, browser debugging tools (e.g., Chrome DevTools) Strong understanding of digital advertising concepts — e.g., pixels, attribution, delivery, tag management Experience troubleshooting technical issues, escalating bugs More ❯
Employment Type: Contractor
Rate: £41.00 - £45.00 per hour
Posted:

Quality Assurance Engineer

London, South East, England, United Kingdom
Morgan McKinley
developers to identify and resolve potential issues early Designing detailed test plans, user scenarios and validation procedures Managing and configuring test environments and tools Executing manual and automated testing (JavaScript/TypeScript) Troubleshooting and validating new software releases, including end-user documentation Leading automation best practices and mentoring others on quality standards What You'll Bring: Experience in QA and More ❯
Employment Type: Contractor
Rate: £350 - £425 per day
Posted:

Technical Solutions Consultant

London, South East, England, United Kingdom
Hybrid / WFH Options
INTEC SELECT LIMITED
Ability to explain complex technical concepts to non-technical audiences Familiarity with advertising technologies (pixels, ad servers, auctions, delivery systems) Working knowledge of web technologies such as HTML, CSS, JavaScript, and HTTP Experience using SQL and RESTful APIs for data access or integrations Package: Day rate - £350-375pd PAYE Fully remote role 12-month contract More ❯
Employment Type: Contractor
Rate: £350 - £375 per day
Posted:

Software QA Engineer

London, United Kingdom
PCR Digital
to ensure smooth delivery. Key Skills & Experience 5+ years' experience in QA or software support. Strong knowledge of Agile methodologies and the software development lifecycle. Experience with automated testing (JavaScript/TypeScript), Playwright, and source control tools. Excellent analytical, communication, and problem-solving skills. ISTQB certification, performance testing, and client support experience are advantageous. Everybody is Welcome Diversity and Inclusion More ❯
Employment Type: Contract
Rate: GBP 437 Daily
Posted:

Software QA Engineer

South West London, London, United Kingdom
PCR Digital
to ensure smooth delivery. Key Skills & Experience 5+ years' experience in QA or software support. Strong knowledge of Agile methodologies and the software development lifecycle. Experience with automated testing (JavaScript/TypeScript), Playwright, and source control tools. Excellent analytical, communication, and problem-solving skills. ISTQB certification, performance testing, and client support experience are advantageous. Everybody is Welcome Diversity and Inclusion More ❯
Employment Type: Contract
Rate: £437/day
Posted:

Airtable Support Engineer

London, United Kingdom
Infoplus Technologies UK Ltd
Expertise on Data Analysis, Problem Solving, Data Orchestration & Linking, Data Quality & Governance Hands-on experience on implementing large-scale data integration solution around Airtable Bases Experience in Scripting language JavaScript or other Good experience on Database -SQL & PL/SQL Experience with Data Integration & Automation and Reports Experience in implementing best practices for Airtable setup, ensuring scalability and usability. Ability More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Oracle Retail Techno-Functional Consultant

London, South East, England, United Kingdom
Lorien
you successful in this role: In database query language such as: Oracle - performance, EXA, etc. In programming using: Java, Pro C and PL/SQL In scripting languages using: JavaScript and shell script Experience must include experience in agile software development Experience with industry standards for enterprise integration patterns If interested in this role, please apply NOW for immediate consideration. More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

QA Engineer

London, South East, England, United Kingdom
Sanderson
the highest standards of quality, reliability, and performance. This role involves hands on testing, test automation setup, documentation, client communication and release management. Proven experience in automated testing using JavaScript, TypeScript, or other programming languages. Proficiency with source control tools (e.g., Git). Strong understanding of databases and data manipulation. Experience in visual testing. Background in Agile environments, collaborating effectively More ❯
Employment Type: Contractor
Rate: £400 - £445 per day
Posted:

ServiceNow Administrator

City of London, London, United Kingdom
Pearson Whiffin IT & Digital
understanding of ServiceNow upgrade/refresh processes. Experience with ITSM, ITOM, CMDB, and custom applications within ServiceNow. Familiarity with ServiceNow clone management and instance synchronization. Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus. Excellent problem-solving, documentation, and communication skills. ServiceNow CSA or CIS certification preferred. More ❯
Employment Type: Contract
Rate: £400 - £450 per day
Posted:

ServiceNow Administrator

London, Bunhill, United Kingdom
Pearson Whiffin Recruitment Ltd
understanding of ServiceNow upgrade/refresh processes. Experience with ITSM, ITOM, CMDB, and custom applications within ServiceNow. Familiarity with ServiceNow clone management and instance synchronization. Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus. Excellent problem-solving, documentation, and communication skills. ServiceNow CSA or CIS certification preferred. More ❯
Employment Type: Contract
Rate: £450 - £500/day
Posted:

ServiceNow Administrator

London, South East, England, United Kingdom
Pearson Whiffin Recruitment Ltd
understanding of ServiceNow upgrade/refresh processes. Experience with ITSM, ITOM, CMDB, and custom applications within ServiceNow. Familiarity with ServiceNow clone management and instance synchronization. Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus. Excellent problem-solving, documentation, and communication skills. ServiceNow CSA or CIS certification preferred. More ❯
Employment Type: Contractor
Rate: £450.00 - £500.00 per hour
Posted:

AirTable Support Engineer

London, United Kingdom
Hybrid / WFH Options
Stackstudio Digital Ltd
views . Experience with Airtable Functions and building user-friendly interfaces. Data analysis, orchestration, quality, and governance experience. Hands-on experience with large-scale data integration solutions. Proficiency in JavaScript or other scripting languages . Strong knowledge of Database (SQL & PL/SQL) . Experience in Data Integration, Automation, and Reporting . Proven ability to integrate Airtable with other software More ❯
Employment Type: Contract, Work From Home
Rate: From £400 to £450 per day
Posted:

VMWare Consultant, VCF5, VCF9

London, United Kingdom
Experis
to maximise feature adoption and performance. Collaborate with cross-functional teams to deliver scalable, secure, and automated infrastructure solutions. Support automation initiatives using tools such as PowerShell , Python , and JavaScript . Engage in daily tasks ranging from solution architecture and deployment to scripting and automation. Maintain alignment with evolving customer requirements and contribute to continuous improvement. Required Qualifications: Proven expertise More ❯
Employment Type: Contract
Rate: £550 - £600/day Inside IR35
Posted:

ServiceNow Technical Lead

London, South East, England, United Kingdom
Vbeyond
standards, and optimize platform performance. Manage CMDB, Discovery, and automation initiatives. Stay current with new releases and recommend platform improvements. Requirements 8+ years of experience with ServiceNow. Expertise in JavaScript, Glide API, workflows, and integrations (REST/SOAP). Strong knowledge of CMDB, Flow Designer, and Integration Hub. Excellent communication and leadership skills. Certifications: CSA, CIS (preferred), CAD (plus). More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted: