1 to 25 of 53 Contract ECMAScript Jobs in London

testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSCs 14 cloud security principles. SC Clearance: my client works with ...

Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python ...

Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive in high-stakes environments with strong stakeholder engagement skills, then please get in touch ...

Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive in high-stakes environments with strong stakeholder engagement skills, then please get in touch ...

field 5+ years of experience in Front End/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis ...

design Conversational UX Chatbot and conversational interface design Multi-turn conversation flows and context management Error handling and recovery patterns Frontend Development HTML, CSS, JavaScript/TypeScript React, Vue, or Angular Component-based architecture and state management API integration and async data handling AWS & Integration Basic AWS services (S3, CloudFront ...

design Conversational UX Chatbot and conversational interface design Multi-turn conversation flows and context management Error handling and recovery patterns Frontend Development HTML, CSS, JavaScript/TypeScript React, Vue, or Angular Component-based architecture and state management API integration and async data handling AWS & Integration Basic AWS services (S3, CloudFront ...

OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience. System Integration: Integrate AEM with other core systems and Adobe Experience Cloud products (like ...

core features (excluding specific modules like Variant Management, Simulation, etc.) Technical experience: understanding of REST and SOAP proficient in programming languages: .Net/C#, JavaScript/TypeScript, HTML and CSS knowledge of databases, especially: MS SQL knowledge of Git basic knowledge of the toolset for development in programming languages listed ...

tech stack. Tech Stack Cloud: AWS Messaging: Kafka Languages: Java, NodeJS Frameworks: Spring Boot/Data, React Containers: Docker, Kubernetes, Helm Frontend: Typescript/JavaScript Databases: Postgres Search: OpenSearch/ElasticSearch Testing: Playwright, Wiremock Monitoring: Grafana, Prometheus, Dynatrace Version Control: Git APIs: REST API Remote-first with minimal travel High ...

frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. Proficiency Coding Languages JSON, JavaScript, PowerShell & C# Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. Front-End Development: Build ...

Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow, PyTorch), particularly within financial workflows. To apply ...

Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow, PyTorch), particularly within financial workflows. To apply ...

OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience click apply for full job details ...

that enable rapid development and high-quality software development. Tech Stack Required: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest API All profiles will be reviewed against the required skills and experience. ...

looking for a solid Full Stack Engineer with experience of mainly Front End Dashboards and Websites/Pages/Platforms. Technical Required: C# HTML JavaScript ASP or ASP.Net SDLC React SQL Server/SQL or Sequel Financial Service or Insurance would be highly advantageous Strong Communication skills Ability to engage ...

with Angular version 20 or advanced recent versions with proven upgradations. Strong experience in building high-performance, high-traffic web applications. Excellent understanding of JavaScript, TypeScript, HTML5, CSS3, and modern UI frameworks. Experience with performance profiling tools and optimization techniques. Strong understanding of REST APIs and integration with Back ...

estimation, prioritisation and sprint planning Maintain high code quality through peer reviews and security-focused development Technical Skills & Experience Strong experience in data modelling JavaScript, TypeScript, React and Node.js OAuth-based authentication and authorisation Data streaming technologies PostgreSQL AWS Lambda Outside IR35- Full stack Developer - 3 months+ - Remote with ...

internal use Implement basic automation and scheduling where needed Ensure security, performance, and accuracy across all data workflows Technical Skills Required Strong experience with JavaScript/TypeScript Experience with static site generation (Next.js, Gatsby, Astro, or similar) Proven experience building API scrapers (Axios, Puppeteer, BeautifulSoup, Cheerio, or similar) JSON structuring ...

ability to resolve complex technical issues and deliver solutions. Experience in Dynamics 365/PowerApps development and permissions management. Proficiency in C#, HTML5, CSS, JavaScript frameworks . Familiarity with Microsoft O365 services: Power Platform (Power Automate, Power BI) SharePoint Online Customer Voice OneDrive for Business Microsoft Teams Knowledge of Azure ...

relational databases such as MySQL, PostgreSQL, or SQL Server. Solid understanding of REST API development, integrations, and modern application architecture. Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices. Experience with Git, CI/CD pipelines, and automated deployment workflows. Exposure to cloud platforms (AWS preferred ...

I am working with a consultancy feeding into the public sector who need 2x Senior NodeJS developers to join a 6 month project. Inside IR35Remote (1x every 6 weeks to London/Manchester/Newcastle ...

experience working as an AWS DevOps Engineer, DevOps Engineer, or similal Infrastructure as a code (IaC) experience Software development experience with Node.js, TypeScript, or JavaScript AWS Certifications (essential) Strong experience with AWS Lambda and core AWS services You need to have active SC Clearance OR eligibility for SC Clearance ...

implement solutions within the Dynamics 365 ecosystem while integrating with Azure services and other third-party applications. Skills: - D365 CE/CRM - .Net, C#, Javascript, TypeScript - Experience developing PCF components and plugins. - Integrating Azure Functions, Service Bus, and other Azure resources. - Experience in RESTful API development and integration with third ...

within tight timelines. Desirable Skills Familiarity with automotive financial services or similar regulated industries. Experience in UX research and competitor benchmarking. Basic knowledge of JavaScript/HTML/CSS for custom survey styling. Engagement Deliverables Fully branded Qualtrics environment. Configured surveys deployed across multiple channels. Integrated dashboards for real-time ...