1 to 25 of 34 Contract JavaScript Jobs in London

Senior FullStack Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
collaborate within a cross-functional agile team. Required Skills & Experience: Technical Skills Extensive professional software development experience. Front-end: Strong proficiency in React.js , JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns and architecture. Micro front-end experience is key having delivered micro front-end architectures, and creating ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
collaborate within a cross-functional agile team. Required Skills & Experience: Technical Skills Extensive professional software development experience. Front-end: Strong proficiency in React.js , JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns and architecture. Micro front-end experience is key having delivered micro front-end architectures, and creating ...

Scala Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £79 per hour
Writing clean, testable, maintainable code Participating in code reviews, pairing, and team delivery Tech Stack & Environment Backend: Scala, Java (Python desirable) Frontend: HTML, CSS, JavaScript Frameworks: Play, Spark Data: Postgres, MongoDB, Hudi Cloud: AWS (S3, ECS, Aurora, Lambda) DevOps: Jenkins, Airflow, Terraform Monitoring: Kibana, Grafana Ways of working: Agile (Scrum ...

Product Development Specialist

Hiring Organisation
IBEX RECRUITMENT LTD
Location
London, United Kingdom
Employment Type
Contract
extend) Outside IR35 1 x Immediate Start 1 x July Start Technology Environment The core stack includes: C#/.NET/.NET Core TypeScript & JavaScript We are also looking for engineers with broader experience across modern technologies such as: React Python Node.js REST APIs & Microservices SQL/NoSQL Databases Docker ...

Senior Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £451/day
design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services and infrastructure-as-code using Terraform Strong experience with GitHub for version ...

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development … RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. Collaboration: Work closely with business stakeholders and domain experts in Risk, Regulatory Reporting, and Finance. Power BI Expertise: utilise your knowledge of Power ...

Full Stack Engineer (Data)

Hiring Organisation
REAL Technical Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 per day Inside IR35
Full Stack Engineer (Data): 5+ years experience in full-stack development or data integration/migration . Strong hands-on experience with JavaScript, TypeScript, React and Python . Strong data analysis and problem-solving skills . Experience in agile/continuous delivery environments . Ability to work proactively with minimal ...

OutSystems Developer (Low-Code Orchestration)

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
Strong understanding of low-code application architecture and life cycle. Experience with integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Good to Have OutSystems certifications (Associate, Professional, Tech ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
. Strong understanding of low-code application architecture and lifecycle. Experience with integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer ...

Contract Software Tester

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£325 - £350/day
/CD pipelines (e.g. Jenkins) Strong understanding of coding practices and software engineering principles Excellent communication skills with experience managing cross-team issues JavaScript and Java programming experience Experience with Rest Assured and Cucumber Strong experience with Gatling and Scala AWS experience including Lambda, DynamoDB, CloudWatch, and related services Proven ...

Senior DevSecOps Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
experience in designing enterprise-scale CI/CD solutions, with a focus on GitLab. Hands-on experience in supporting build pipelines for Java, C#, JavaScript, and Python is essential. Cloud & Containerization Expertise : Proven ability to deliver containerized and cloud-ready applications, with experience in integrating CI/CD pipelines with ...

React UI Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
with APIs and backend services Optimise UI performance and quality Contribute to code reviews and frontend best practices Required Skills Strong experience with React JavaScript (ES6+)/TypeScript HTML5, CSS3, responsive design State management (Redux, Context, etc.) REST APIs, Git, basic testing (Jest/Cypress) Nice to Have Next.js, design ...

Automation QA Engineer Inside IR35

Hiring Organisation
interAct Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£325 - £350 per day
engineering principles and best practices Excellent communication skills, with experience resolving cross-team issues Solid programming knowledge and coding best practices Technical expertise in JavaScript, Java, RestAssured, and Cucumber Strong experience with Gatling and Scala Experience with AWS services (e.g. Lambda, DynamoDB, CloudWatch) and AWS SDK Desirable Skills Automated ...

Technical Lead / Solution Architect, D365, Power Pages

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Hybrid
Power Platform implementations Hands-on capability across Power Apps, Power Automate and Dataverse Solid understanding of Azure integration, APIs and custom extensions (.NET/JavaScript) Experience working in Agile delivery teams with DevOps practices Comfortable operating in a large, regulated or corporate environment Confident communicator able to translate complex technical ...

Front End Developer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£470 - £471 per day
maintaining high-quality user-facing services within a secure government environment, following modern engineering best practices. Key Skills & Experience Required Strong frontend development experience JavaScript and TypeScript Node.js Ruby Nunjucks Strong experience practicing Test-Driven Development (TDD) Desirable Experience Experience working within UK government or public sector environments Familiarity with ...

SharePoint / Office 365 Consultant (RP/SP1)

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/day Inside IR35
days per week in a Canary Wharf office Rate - £490 per day (Inside IR35) Tech Stack - Sharepoint Office 365 Power apps Power Automate HTML, Javascript, CSS Tasks - Working with the team and the wider development team to both grow and to help adopt Agile like methodologies with practical implementation alongside ...

C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/day inside IR35
Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
robust, scalable services and platforms that enable secure operations across an organization. Proven experience in programming and scripting languages (e.g., Go, Python, Bash, Java, JavaScript ). Minimum Qualifications Bachelor's degree in computer science (or similar) with 5+ years of relevant industry experience Significant experience with Golang and Git/… quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...

Senior Backend Engineer Golang - Security

Hiring Organisation
PCR Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £650 per day + Inside IR35
robust, scalable services and platforms that enable secure operations across an organization. Proven experience in programming and scripting languages (e.g., Go, Python, Bash, Java, JavaScript ). Minimum Qualifications Bachelor's degree in computer science (or similar) with 5+ years of relevant industry experience Significant experience with Golang and Git/… quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...

Software Developer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native (back end leaning) Why? start-up financial services, revolutionising the industry Start : ASAP Location : Hybrid - 1-3 days in the office (Central London) Our Client A start-up FinTech is launching credit card, personal loans and insurance offerings aimed … back end leaning) Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start ...

Full Stack Software Engineer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Full Stack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native (back end leaning) Why? start-up financial services, revolutionising the industry Start : ASAP Location : Hybrid - 1-3 days in the office (Central London) Our Client A start-up FinTech is launching credit card, personal loans and insurance offerings … back end leaning) Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start ...

Full Stack Developer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Full Stack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native (back end leaning) Why? start-up financial services, revolutionising the industry Start : ASAP Location : Hybrid - 1-3 days in the office (Central London) Our Client A start-up FinTech is launching credit card, personal loans and insurance offerings … back end leaning) Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start ...

Technical Solutions Consultant (II) GOG1JP00004171

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£35 - £40 per hour
Role : Technical Solutions Consultant Location : London, UK Type : Contract(Hybrid - Inside IR35) Job Description Technical Skills Web Technology Expertise : Strong proficiency in JavaScript, HTML, and CSS is essential. Code Debugging : Ability to read, understand, and debug complex, potentially minified code from external partner websites. Technical Troubleshooting : Experience with Chrome Developer ...

Technical Solutions Consultant (II) GOG1JP

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 - 40 Hourly
Role : Technical Solutions Consultant Location : London, UK Type : Contract(Hybrid - Inside IR35) Job Description Technical Skills Web Technology Expertise : Strong proficiency in JavaScript, HTML, and CSS is essential. Code Debugging : Ability to read, understand, and debug complex, potentially minified code from external partner websites. Technical Troubleshooting : Experience with Chrome Developer ...

Flow X Process Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day Inside IR35
Weeks with FlowX.AI - Hands-on experience with the Flow X platform - Extensive experience of similar workflow/low-code tools - Basic programming skills - Java, JavaScript, Python, Groovy - Experience in BPMN development - Good understanding of API testing - REST and SOAP or knowledge of integration protocols (REST - JSON, SOAP - XML) - Experience working ...