1 to 25 of 44 Contract JavaScript Jobs in London

requires someone who can work across the full development lifecycle while collaborating closely with both technical and non-technical stakeholders. Tech Stack Frontend React JavaScript/TypeScript HTML5, CSS3 Backend C# .NET Core/.NET ASP.NET Core REST APIs Cloud & Data Microsoft Azure SQL Server Docker CI/CD Pipelines ...

backend and DevOps teams across the full delivery lifecycle Required Experience Strong experience in UI or Frontend Architecture within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working ...

technology- Strong programming experience with Java, SpringBoot, JPA, Hibernate, Junit, RestAssured and Mockito Front End technology - Experience with React JS, Redux, Axios, CSS, JavaScript, and HTML Database - Experience with SQL (MS SQL preferred) Cloud technology - Experience with aPaaS Openshift V4 DevOps tools - Experience with GitLab, Stash, Jenkins, Nexus, JIRA, Confluence ...

team Required Skills & Experience - Strong experience building enterprise and web-based applications - Proficiency in C#, .NET/ASP.NET - Front-end skills including HTML5, CSS3, JavaScript - Experience with REST APIs, JSON - Familiarity with Git and modern development tools (e.g. Visual Studio) Desirable Skills - .NET Core/.NET 5+ - Angular, Blazor ...

London) Overview SC Cleared freelancer needed with a frontend focus to build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/ ...

across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

Sales Dataverse Power Platform Power Apps (Model-Driven Apps) Power Automate Customer Insights Sales Accelerator Strong hands-on development capability including: C# .NET JavaScript Plugins Custom Workflow Activities REST APIs Experience designing enterprise integrations using: Azure Functions Logic Apps Service Bus Azure Data Factory Azure Key Vault Strong stakeholder management ...

processes Troubleshoot and resolve complex technical issues Required Experience 8+ years' experience working with Microsoft Dynamics 365 Strong development experience with C#, .NET, and JavaScript or TypeScript Proven experience building plugins, workflows, and integrations Experience working across the full delivery lifecycle of Dynamics solutions Hands-on experience with Power Platform ...

Azure, GCP or VCF Release automation — ArgoCD, Flux Observability — Prometheus, Grafana, ELK IAM & secrets management — OAuth/OIDC, Keycloak, Vault Software development — Java, Python, JavaScript, C++ or C# Solid grounding in security principles — CIA, Least Privilege, Zero Trust Networking fundamentals — DNS, TCP/UDP, firewalls, VPNs Our Company Rubicon Consulting ...

Strong understanding of Salesforce development lifecycle (SDLC), including metadata API, packaging (Unlocked and Managed Packages), and environment strategies. Proficiency in scripting languages such as JavaScript (Node.js), Bash, or PowerShell for pipeline automation. Experience with Git version control, branching strategies, and code merging workflows. Knowledge of DevOps concepts such as continuous ...

Else We're Looking For Strong experience developing cloud-native applications using C#, .NET 10, Azure, and REST APIs Frontend development experience using TypeScript, JavaScript, and NHS Digital Design System components Experience using AI-assisted development tools and agents responsibly within enterprise software delivery Eligibility to obtain BPSS clearance ...

experience developing within Microsoft Dynamics 365 CE/CRM Excellent knowledge of Dataverse and Power Platform technologies Experience developing in C#/.NET and JavaScript Strong understanding of APIs, integrations and data-driven applications Experience working with Azure integration technologies Knowledge of source control and CI/CD processes Ability ...

APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript Data & Persistence Experience with ORM frameworks such as: Entity Framework NHibernate Dapper Database development and support experience with: Microsoft SQL Server (2008+ ...

APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript Data & Persistence Experience with ORM frameworks such as: Entity Framework NHibernate Dapper Database development and support experience with: Microsoft SQL Server (2008+ ...

TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps). Proven expertise in ServiceNow integrations (REST, SOAP, APIs, MID Servers, etc.). Experience with ServiceNow Scripting (JavaScript, Glide, Flow Designer) and ServiceNow data model. Knowledge of ITIL/ITSM processes and best practices. Experience designing and implementing CMDB and Discovery. Excellent problem ...

design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) IBM MQ/MQ messaging JavaScript Why Join Us? Work on projects that make a difference in the financial sector. Collaborate with a talented team in a vibrant environment. Enjoy a competitive daily ...

fast across mobile and backend. This role will be hands-on, building and owning features end to end. Essential Skills & Experience Strong TypeScript/JavaScript Experience in fast-paced, iterative teams 4+ years in your core area Confident delivering end-to-end features Comfortable jumping across frontend + backend React ...

days/week in office Duration - Initially 6 months Rate - £550-£650/day Inside IR35 via Umbrella Skills and Experience Required TypeScript or Javascript Next.js or React AWS Terraform Experience providing feedback to engineering teams via code review Exposure to a wide range of languages, frameworks, and cloud technologies ...

hands-on Boomi integration experience, including one or more of Salesforce, NetSuite, or Oracle EBS. Strong working knowledge of SOAP, REST, XML, JSON, and JavaScript/Groovy scripting. Proven ability to deliver in a fast-paced, evolving environment. A creative, pragmatic problem-solver with strong verbal and written communication skills. ...

TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps). Proven expertise in ServiceNow integrations (REST, SOAP, APIs, MID Servers, etc.). Experience with ServiceNow scripting (JavaScript, Glide, Flow Designer) and ServiceNow data model. Knowledge of ITIL/ITSM processes and best practices. Experience designing and implementing CMDB and Discovery. Excellent problem ...

across 100 countries, and has a reach of 600 million users, is recruiting a Full Stack Engineer with hands-on development capabilities in Python, JavaScript/TypeScript and ML/Gen AI tooling within AWS. To be successful in this project, the chosen engineer must have recent project experience developing ...

Professional, or equivalent certification. Experience with ServiceNow CSDM 3.0 or later. Experience with: Service Mapping Automated Test Framework (ATF) Vulnerability Management Scripting experience including JavaScript, Jelly, SQL, or similar technologies. Behavioural Competencies Analytical Thinking Attention to Detail Accountability and Ownership Effective Communication Critical Thinking Customer Focus Collaboration and Teamwork Adaptability ...

technical teams. Essential Skills: Extensive ServiceNow architecture experience. Strong ITSM knowledge plus at least two additional ServiceNow modules. CMDB and Discovery implementation experience. Strong JavaScript, Glide and Flow Designer knowledge. Excellent stakeholder management and communication skills. Desirable Skills: ServiceNow CSA, CIS, CAD or CTA certifications. Agile/Scrum experience. ...

full software development lifecycle, from solution design and development through to testing, deployment and production support. Key Skills: Strong experience with Java, Kotlin or JavaScript Full Stack development experience RESTful API development Working knowledge of Unix/Linux Database design and integration CI/CD exposure (enterprise-scale desirable) Comfortable ...