Contract JavaScript Jobs in London

1 to 25 of 38 Contract JavaScript Jobs in London

Lead Test Engineer

London, United Kingdom
Moorfields Eye Hospital NHS Foundation Trust
services. Experience in technologies (or similar) .NET applications PHP Framework; Selenium; Playwright; BDD Test automation for cloud-based technology Scripting Language such as Java; JavaScript; TypeScript; C#; Integration Testing You will be joining a team where your ideas and expertise are valued. You will apply best practices to deliver quality More ❯
Employment Type: Fixed-Term
Salary: £54320.00 - £60981.00 a year
Posted:

Devops Engineer

London, United Kingdom
Adecco
Code (IaC) tools such as Terraform, Azure ARM, or AWS CloudFormation. Experience with cloud platforms: AWS, Azure, or GCP. Additional scripting/programming languages: JavaScript, PowerShell, Groovy, or Go. Please apply with your updated CV if the role is of interest More ❯
Employment Type: Contract
Posted:

Software engineer

London, United Kingdom
Computer Futures
Software Engineer or similar role. Strong expertise in AWS services, particularly Amazon Lex and other AI/ML services. Proficiency in TypeScript and modern JavaScript frameworks. Solid understanding of DevOps methodologies and tools (e.g., CI/CD, Serverless, Monitoring). Experience with contact centre technologies and integrations. Excellent problem-solving More ❯
Employment Type: Contract
Rate: £500 - £650/day
Posted:

Software engineer

London, Rochford, Essex
Computer Futures
Software Engineer or similar role. Strong expertise in AWS services, particularly Amazon Lex and other AI/ML services. Proficiency in TypeScript and modern JavaScript frameworks. Solid understanding of DevOps methodologies and tools (e.g., CI/CD, Serverless, Monitoring). Experience with contact centre technologies and integrations. Excellent problem-solving More ❯
Employment Type: Contract
Rate: £500 - £650
Posted:

Software Engineer 3 (AWS)

Isleworth, London, United Kingdom
Lancesoft Ltd
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 More ❯
Employment Type: Contract
Rate: From £450 to £500 per day
Posted:

Developer/Platform Engineer - (Rocket.chat/Jitsi Meet)

City of London, London, United Kingdom
Summer Browning Associates
Kubernetes in production environments. Proven hands-on experience deploying and customising Rocket.Chat and/or Jitsi Meet . Proficiency in scripting and programming (e.g., JavaScript/Node.js, Python, Bash). Experience with Linux system administration, networking, and firewall configuration. Familiarity with cloud platforms (AWS, Azure, GCP) or private/on More ❯
Employment Type: Contract
Rate: £0.00 - £1/day competitive
Posted:

Software Engineer (Java)

London, United Kingdom
Huntress - Key Accounts
consumer finance management. Strong relationship building to partner, collaborate and influence. Passion or understanding of the SMB customer. Expertise with one or more of: Javascript, Java, .NET, PHP, Node.js, Python, Ruby on rails. Extensive experience with APIs Experience with web services (consuming preferred, creating OK) with REST & GraphQL & various industry More ❯
Employment Type: Contract
Rate: £300 - £350/day
Posted:

Full Stack Developer

City of London/ Hybrid
Hybrid / WFH Options
Jump IT Recruitment Solutions
considered, you must have strong, recent hands-on experience in the following areas: Leading small software development teams Front-end development with React and JavaScript Microsoft Azure cloud platform (not AWS or GCP) .NET backend development Event-driven architecture and event sourcing Experience in or exposure to the financial services More ❯
Employment Type: Contract
Rate: £550 per day
Posted:

Camunda Tech Lead

London, United Kingdom
Hybrid / WFH Options
Queen Square Recruitment Limited
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 More ❯
Employment Type: Contract
Posted:

Solutions Engineer

London, United Kingdom
EF Recruitment
based in central London. They are now seeking a Solutions Engineer for an interesting 12 month contract Skills Expertise with one or more of: Javascript, Java, .NET, PHP, Node.js, Python, Ruby on rails. BSc/MSc in computer science or equivalent work experience. 5+ years experience designing and/or More ❯
Employment Type: Contract
Rate: GBP 450 Daily
Posted:

Solutions Engineer

SW1V, Victoria, Greater London, United Kingdom
EF Recruitment
based in central London. They are now seeking a Solutions Engineer for an interesting 12 month contract Skills Expertise with one or more of: Javascript, Java, .NET, PHP, Node.js, Python, Ruby on rails. BSc/MSc in computer science or equivalent work experience. 5+ years experience designing and/or More ❯
Employment Type: Contract
Rate: £450/day Free breakfast
Posted:

Solution Engineer - Java Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Technologies Recruitment
in Computer Science or equivalent work experience 5+ years in web, software, or mobile app development Proficiency in Java and at least one of: JavaScript, .NET, PHP, Node.js, Python, Ruby on Rails Experience with REST and GraphQL APIs and web service consumption Knowledge of QuickBooks is highly desirable Background in More ❯
Employment Type: Contract
Rate: £300 - £330/day
Posted:

BPM Developer

City of London, London, United Kingdom
Adecco
days per week. You will be responsible for the development and support of Business applications using Opentext MBPM (Metastorm), MS .Net platform with C#, JavaScript and Oracle SQL Tasks include understanding business requirements, designing applications/workflows in Opentext MBPM (Metastorm), business data analysis, programming in Visual C#.NET using both More ❯
Employment Type: Contract
Rate: £400 - £415/day
Posted:

Magento Developer

London, United Kingdom
WHD Consulting Ltd
new tools and approaches. Staying up to date with ecommerce trends and technologies. The Ideal Candidate 4+ years of Magento development experience Proficient in Javascript Familiar with Git, Jira, Bitbucket, and agile processes. Solid problem-solving abilities and a collaborative mindset. Understanding of responsive design, performance optimisation, and cross-browser More ❯
Employment Type: Contract
Posted:

ETL Test

City, London, United Kingdom
Uniting People
for ensuring the quality of their work the work of the entire development team Strong experience in of the following technologies preferred -SQL, PYTHON, JavaScript, Java Participate in data conversion Testing and data maintenance, authoring SQL queries to fetch the data between various databases, execute them and analyze the data More ❯
Employment Type: Contract
Rate: GBP 240 - 250 Daily
Posted:

ETL Test

EC2N, Cornhill, Greater London, United Kingdom
Uniting People
for ensuring the quality of their work the work of the entire development team Strong experience in of the following technologies preferred -SQL, PYTHON, JavaScript, Java Participate in data conversion Testing and data maintenance, authoring SQL queries to fetch the data between various databases, execute them and analyze the data More ❯
Employment Type: Contract
Rate: £240 - £250/day
Posted:

Mobile Automation Tester iOS Python UAT

London, United Kingdom
Hybrid / WFH Options
PCR Digital
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 like React. Back-End Development: Develop and maintain server-side logic using languages such as Python. Manage APIs and integrate third-party services More ❯
Employment Type: Contract
Rate: GBP 300 Daily
Posted:

Power Apps Developer

Ilford, London, United Kingdom
Hybrid / WFH Options
Ventula Consulting Limited
Model-Driven). Proficiency in Dataverse, PowerFX, and Power Automate. Strong understanding of data integration using connectors, REST APIs, and custom connectors. Experience with JavaScript, C#, and SQL for application customization. Familiarity with SharePoint, Microsoft Teams, and other Microsoft 365 tools. This is a hands-on role focused on building More ❯
Employment Type: Contract, Work From Home
Rate: From £400 to £400 per day
Posted:

BPM Developer

London, United Kingdom
Hybrid / WFH Options
Qualserv Consulting Limited
working This BPM Developer will be responsible for the development and support of Business applications using Opentext MBPM (Metastorm), MS .Net platform with C#, JavaScript and Oracle SQL. This BPM Developer MUST have key technical skills in the following areas: Understanding of any BPM technology (Metastorm/Appian/Camunda More ❯
Employment Type: Contract
Rate: GBP 400 - 430 Daily
Posted:

BPM Developer

E14, Blackwall, Greater London, United Kingdom
Hybrid / WFH Options
Qualserv Consulting Limited
working This BPM Developer will be responsible for the development and support of Business applications using Opentext MBPM (Metastorm), MS .Net platform with C#, JavaScript and Oracle SQL. This BPM Developer MUST have key technical skills in the following areas: Understanding of any BPM technology (Metastorm/Appian/Camunda More ❯
Employment Type: Contract, Temporary
Salary: £400 - £430/day
Posted:

Integration engineer

London, United Kingdom
I3 Resourcing Limited
AI tools such as Copilot Studio and AI cognitive services Working knowledge of commonly used programming languages and frameworks relevant to integration development (e.g., JavaScript, C#, Python) Integration Engineer City of London - Contract Flexible day rate INSIDE IR35 APIs ; Data Flows ; Azure Logic Apps Working with prestigious London market insurer More ❯
Employment Type: Contract
Rate: £550 - £850 per day
Posted:

BPM Developer - Banking - Hybrid

London, United Kingdom
Hybrid / WFH Options
GCS
Location - Remote/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 per day (Inside IR35) Tech Stack MBPM C# JavaScript SQL/Oracle Tasks Understanding business requirements, designing applications/workflows in Opentext MBPM (Metastorm), business data analysis, programming in Visual C#.NET using both Oracle More ❯
Employment Type: Contract
Rate: £400 - £415/day Inside IR35
Posted:

Software Architect

Feltham, London, United Kingdom
Develop
agile environment. Strong understanding of software architecture principles, design patterns, and best practices (e.g., Clean Architecture). Expertise in full-stack development, including: Essential : JavaScript, AWS, Postgres, REST APIs, Analytics (Google, Adobe). Desirable : SAP BTP, SAPUI5, Supply Chain, OData. Excellent communication and presentation skills. Ability to balance technical decisions More ❯
Employment Type: Contract
Rate: £650 - £680 per day
Posted:

SC Cleared ServiceNow Developer

City of London, London
Public Sector Resourcing
Project lifecycle involvement: From requirements gathering to deployment and support. * Working with stakeholders to translate business needs into technical solutions. 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 More ❯
Employment Type: Contract
Rate: Negotiable
Posted:

SC Cleared ServiceNow Developer

London, United Kingdom
Alexander Mann Solutions - Public Sector Resourcing
involvement: From requirements gathering to deployment and support. . Working with stakeholders to translate business needs into technical solutions. 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 More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:
JavaScript
London
10th Percentile
£358
25th Percentile
£425
Median
£575
75th Percentile
£725
90th Percentile
£838