Contract JavaScript Jobs in the City of London

16 of 16 Contract JavaScript Jobs in the City of London

FullStack Software Engineer

City of London, London, United Kingdom
Mentmore Recruitment
a real impact. Key Requirements: 3+ years in software engineering with a strong product mindset Experience working closely with product teams and designing for real users Strong frontend skills (JavaScript/Typescript, React/Angular, HTML) and backend expertise (Node.js, Python) Proven experience in API design and system integration Proficiency with Microsoft Azure and familiarity with databases, IAM, containers, and More ❯
Employment Type: Contract
Rate: £70000 - £80000/annum
Posted:

AI Engineer Front End

City of London, London, United Kingdom
Adecco
and architecture planning sessions. Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build front-end applications from scratch in greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat More ❯
Employment Type: Contract
Posted:

Outsystems Developer

City, 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: GBP 500 Daily
Posted:

Outsystem Developer

City of London, London, Finsbury Square, United Kingdom
ARM
and understanding stakeholders on their request and work in an environment with some levels of governance 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: £550 - £575/day Negotiable
Posted:

SC Cleared Salesforce Developer

City of London, London, United Kingdom
Hybrid / WFH Options
ARM
inc. defining invocable Flow actions and batch Apex) Salesforce Experience Cloud site-building experience Able to develop robust and advanced Salesforce Lightning Web Components (inc. familiarity with HTML, CSS, JavaScript) DevOps pipeline implementation and troubleshooting (inc. Python, Node.JS, Bash) AWS Services - including Lambda (Java), Secrets Manager, API Gateways Salesforce email configuration, including DNS/DKIM/SPF AI prompt building More ❯
Employment Type: Contract
Rate: £600 - £700/day Inside IR35 (Negotiable rate)
Posted:

Content Processing Technical Consultant - Developed Vetting

City of London, London, United Kingdom
PS Computer Services Ltd t/a Parker Shaw
Required Skills & Experience: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search engine technology (e.g., Elasticsearch) Big Data Technology experience (Hadoop, Spar k , Kafka, etc.) Microservice and cloud native architecture Desirable: Able to demonstrate experience of troubleshooting and More ❯
Employment Type: Contract
Rate: Up to £700 per day inside IR35
Posted:

Front Office React Developer

City of London, London, United Kingdom
Adecco
and Risk team to build and extend FX Options and Risk frontend application suite. Essential Skills: Very good knowledge and experience in Web Technologies, tools and frameworks, HTML, CSS, JavaScript and React. Knowledge or experience of agile development (e.g. XP, SCRUM, Kanban) and continuing integration. Experience in UI design, optimisation, scalability and reliability. Excellent problem solving and analytical skills in More ❯
Employment Type: Contract
Rate: £700 - £800/day
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:

Conversion Rate Optimisation (CRO) Specialist

City of London, London, United Kingdom
Randstad Digital
best practices, persuasion principles, and behavioural psychology. Data literacy: ability to analyse large datasets, run SQL queries, and work with dashboards. Nice to have: web development skills (HTML, CSS, JavaScript) to prototype and implement tests quickly. Attributes Analytical thinker with a bias for action. Comfortable operating at the intersection of product, marketing, and engineering. Strong communication and storytelling skills - able More ❯
Employment Type: Contract
Rate: £350 - £380 per day
Posted:

ServiceNow Developer

City of London, London, United Kingdom
Access Computer Consulting
party integrations. Knowledge of ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor and Service Portal Development: Custom widgets, pages, and themes. You will be proficient in JavaScript: Core scripting language used in ServiceNow. Hands-on experience in ServiceNow development and administration and also experience in Agile/Scrum environments and using tools like Jira or Azure DevOps More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

Head of Network Automation/Engineering

City Of Westminster, London, United Kingdom
Summer Browning Associates
working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯
Employment Type: Contract
Rate: GBP 750 - 795 Daily
Posted:

Head of Network Automation/Engineering

Westminster, London, City of Westminster, United Kingdom
Summer Browning Associates
working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯
Employment Type: Contract
Rate: £750 - £795/day
Posted:

Bioinformatics Developer - outside IR35 contract

City of London, London, United Kingdom
Hybrid / WFH Options
Hays
party services supplying visas are eligible for this role. What you'll need to succeed You should have strong programming skills in a language such as R, python, Java, JavaScript or similar; as well as a track record in visualising data and developing UIs or other applications to support R&D scientists. Candidates with bioinformatics experience, or experience of software More ❯
Employment Type: Contract, Work From Home
Rate: £230.0 - £350.0 per day + £250-325 per day OUTSIDE IR35
Posted:

AI Solutions Engineer

City of London, London, United Kingdom
McGregor Boyall Associates Limited
Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. improving solutions based on real-world usage and feedback. Build and deploy AI-powered workflows Python or JavaScript Knowledge of automation platforms Strong experience with LLMs If you think you meet the above requirements, please apply or email your CV to McGregor Boyall is acting as an Employment More ❯
Employment Type: Contract
Posted:

Fullstack Developer with Golang and Typescript

City, London, United Kingdom
Harvey Nash
complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX … QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Golang,SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled full stack web solutions. Microservice design and implementation More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Web Solutions Engineer with Java & Kotlin

City, London, United Kingdom
Harvey Nash
complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision … documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled full stack web solutions. More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:
JavaScript
the City of London
10th Percentile
£413
25th Percentile
£436
Median
£550
75th Percentile
£638
90th Percentile
£675