Contract JavaScript Jobs in Central London

12 of 12 Contract JavaScript Jobs in Central London

Outsystems Developer

City of London, London, United Kingdom
ARM
to meet them Excellent problem-solving skills and the ability to independently perform root cause analysis. Must have: Web applications expertise using modern web technologies (e.g. CSS, HTML, HTML5, JavaScript, jQuery). Knowledge in UX design principles and ability to apply them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes More ❯
Employment Type: Contract
Rate: £600 - £700/day Inside IR35 (Negotiable rate)
Posted:

Senior Full Stack Engineer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Lorien
Collaborating with cross-functional teams to deliver scalable solutions Mentoring junior engineers and contributing to a strong engineering culture Working with a modern, cloud-native stack Tech Stack Languages: JavaScript, Node.js Databases: SQL, PostgreSQL, BigQuery Cloud: AWS (Lambda, S3, Kinesis, RDS, Step Functions, AppFlow) DevOps: Serverless, Heroku, GitHub, CircleCI Monitoring: Graphite, Grafana, Splunk Bonus: Experience in marketing tech or AI More ❯
Employment Type: Contractor
Rate: £600 - £640 per day
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:

Lead Field Engineer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Lorien
aligns to bank standards, patterns and guardrails. Experience in designing solutions and leading teams through project delivery. Experienced with customisation of Power Platform using tools such as .Net and JavaScript extensions. Manage the supply of engineers to projects in line with budget and headcount constraints. Liaises with business stakeholders, Principal Engineers, Architects in the domain to shape and successfully deliver More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Python Developer

City of London, London, England, United Kingdom
Computappoint
data processing Stakeholder engagement skills - comfortable working directly with business users Problem-solving expertise with ability to understand complex business needs BONUS SKILLS: PHP experience - additional web development capabilities JavaScript knowledge - full-stack understanding would be ideal Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation to this vacancy More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted:

Python Developer

City of London, London, England, United Kingdom
Boston Hale
is start-up-like - flexibility is essential. You'll wear multiple hats, operate independently, and bring solutions without needing handholding. Key Skills: Strong Python & Postgres experience are a must JavaScript & React proficiency would be valuable - but not essential as they have a dedicated React Developer API development & integration expertise Automation workflows We need a contractor who thrives in ambiguity, values More ❯
Employment Type: Contractor
Rate: £400 - £475 per day
Posted:

Front End Web Accessibility Consultant

City, London, United Kingdom
PCR Digital
conducting full Accessibility Audits to AA standard. Experience using a range of assistive technology tools such as JAWS, NVDA and VoiceOver. Proven front end development skills - HTML, CSS and JavaScript (to effectively read code and suggest code examples and prototypes). Excellent communication skills with the ability to build relationships and work across a range of teams within a global More ❯
Employment Type: Contract
Rate: GBP 450 - 550 Daily
Posted:

Front End Web Accessibility Consultant

City of London, London, Lime Street, United Kingdom
PCR Digital
conducting full Accessibility Audits to AA standard. Experience using a range of assistive technology tools such as JAWS, NVDA and VoiceOver. Proven front end development skills - HTML, CSS and JavaScript (to effectively read code and suggest code examples and prototypes). Excellent communication skills with the ability to build relationships and work across a range of teams within a global More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

CRM Developer

Kensington, London, England, United Kingdom
Hybrid / WFH Options
Venn Group
for end users Manage and enhance existing bespoke web (ASP NET) and .NET applications currently integrated with future migration to plugins or PowerApps Utilise web development technologies (HTML, CSS, JavaScript, etc.) to enhance web-based CRM solutions Desired skills and experience: Experience delivering customer facing digital solutions (Dynamics CRM highly desirable) Strong C# and .Net development skills Proficiency in JavaScript More ❯
Employment Type: Contractor
Rate: £55,497 - £63,045 per annum
Posted:

Senior back end engineer - Golang

City, London, United Kingdom
Hybrid / WFH Options
PCR Digital
can handle dynamic web content and complex user interactions Design and implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver … Strong experience with browser automation tools ( Chromedp, Rod, Playwright , or similar) Proven ability to build and support web scraping applications at scale Deep understanding of web technologies (HTML, CSS, JavaScript, DOM manipulation ) Knowledge of HTTP protocols, cookies, sessions, and web authentication methods Familiarity with Python is advantageous but not essential Experience with concurrent processing and rate limiting for web scraping More ❯
Employment Type: Contract
Rate: GBP 600 - 650 Daily
Posted:

Senior back end engineer - Golang

City of London, London, Lime Street, United Kingdom
Hybrid / WFH Options
PCR Digital
can handle dynamic web content and complex user interactions Design and implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver … Strong experience with browser automation tools ( Chromedp, Rod, Playwright , or similar) Proven ability to build and support web scraping applications at scale Deep understanding of web technologies (HTML, CSS, JavaScript, DOM manipulation ) Knowledge of HTTP protocols, cookies, sessions, and web authentication methods Familiarity with Python is advantageous but not essential Experience with concurrent processing and rate limiting for web scraping More ❯
Employment Type: Contract
Rate: £600 - £650/day
Posted:

Adobe Target Developer

City, London, United Kingdom
Norton Blake
personalized user experiences. Configure and maintain Adobe Target tagging and mbox parameterization using Adobe Launch or equivalent tag management systems. Write and manage profile scripts using Rhino JS/JavaScript for advanced personalization logic. Consume APIs within Adobe Target for dynamic personalization and content delivery. Configure Adobe Target reporting in Adobe Analytics to monitor performance and provide actionable insights on … Exposure to Adobe Target Recommendations Advanced personalization techniques with audience segmentation and profile Scripting. Knowledge of Adobe Target tagging and mbox parameter management. Basic proficiency in HTML, CSS, and JavaScript to execute small Front End changes independently. Understanding of APIs and experience consuming APIs in Target activities. Experience in integrating Adobe Target with Adobe Analytics for reporting and optimization. Working More ❯
Employment Type: Contract
Rate: GBP 550 Daily
Posted:
JavaScript
Central London
10th Percentile
£402
25th Percentile
£425
Median
£550
75th Percentile
£638
90th Percentile
£678