1 to 25 of 36 Contract ECMAScript Jobs in London

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 ...

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 ...

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 ...

Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures ...

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 ...

Java Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures ...

with Python or C# coding language within a Django web framework. · Have expertise within Vue 3/Vue.js including the understanding of Typescript/JavaScript · Expert in SQL, with deep experience in PostgreSQL. · Proficient in building and managing CI/CD pipelines via GitLab. · Skilled in RESTful API · Agile development ...

with Python or C# coding language within a Django web framework. · Have expertise within Vue 3/Vue.js including the understanding of Typescript/JavaScript · Expert in SQL, with deep experience in PostgreSQL. · Proficient in building and managing CI/CD pipelines via GitLab. · Skilled in RESTful API · Agile development ...

. Strong understanding of Microsoft 365 security/compliance: Purview, sensitivity labels, retention, DLP, information protection. Branding/customization: JSON formatting, themes, SPFx development (JavaScript/TypeScript, React). Experience or understanding of API based integrations and automations Copilot or AI tool knowledge or awareness. Excellent problem-solving and troubleshooting ...

. 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 ...

/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 ...

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 ...

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 ...

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 ...

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 ...

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 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 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 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 ...

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 ...

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 ...

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 ...

Experience Strong experience in CRO engineering or hands-on experimentation roles Proficiency in implementing and managing tests using leading experimentation tools Solid understanding of JavaScript, HTML, and CSS for test development Strong analytical capability, with confidence in interpreting behavioural and performance data Experience collaborating with cross-functional digital teams ...

including async programming, concurrency, and working with IO heavy workloads. * Experience building and maintaining web backends with FastAPI or similar frameworks, and extending lightweight JavaScript front ends. * Proven ability to design clear, ergonomic CLI tools and validate complex configuration workflows. * Solid understanding of data pipelines, distributed systems, and performance tuning ...

ServiceNow TSM, ITSM, and ITOM. Industry Knowledge: Deep understanding of Telecom domains (NOC operations, network life cycle, service assurance). Technical Skills: Proficiency in JavaScript, ServiceNow APIs, Flow Designer, and CMDB/CSDM frameworks. Experience: 10+ years of experience in software platforms, with a significant focus on architecture. ...