1 to 25 of 47 Contract JavaScript Jobs in London

Support integration with APIs, messaging platforms, databases, and cloud services. Technical Environment: Java React PostgreSQL Kafka Elasticsearch AWS Ansible RESTful services Docker API Gateways JavaScript MongoDB SQL Essential Skills & Experience: Strong commercial experience as a full-stack Java Software Engineer within enterprise environments. Proven experience delivering secure, scalable solutions ...

wider stakeholders to shape new features Skills and Experience Required • Minimum 5 years commercial software development experience • Strong experience with React and modern JavaScript or TypeScript • Experience building and integrating REST APIs • Strong SQL Server or Azure SQL experience • Experience working with Microsoft Azure including App Services, Functions and Storage ...

role. AWS Expertise : Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy : Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge : Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity : Experience with contact center technologies ...

What You'll Do Design, develop, and deliver high-quality software solutions in Java, React, PostGres, Kafka, ElasticSearch, AWS, Ansible, REST, Docker, API Gateways, JavaScript, Mongo, and SQL. Work hands-on across the full stack while ensuring delivery pipelines, NFRs, and industry best practices are met. Collaborate with enterprise teams ...

Delivery, Commercial team Hybrid environment with flexible UK/EU remote options; Holborn office optional Required Skills & Experience Must-have: Node.js/TypeScript/JavaScript in production Experience with large, complex backend systems Cloud experience (preferably AWS; GCP/Azure also fine) System design & architecture experience Integration-heavy environments Previous ...

development standards What we're looking for: You can demonstrate experience delivering Outlook add-ins within enterprise environments Strong hands on skills with Office.js, JavaScript or TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful ...

feature engineering and testing. - Understanding of cloud services such as Azure Functions, Logic Apps, Azure AI Foundry or similar. - Strong coding skills, ideally in JavaScript, PowerShell, Python, C# or VB.NET. - Excellent communication skills and the ability to collaborate across multidisciplinary teams. - A proactive mindset, with a commitment to continuous learning ...

interested in hearing from candidates who have the following capabilities: Valid Security Clearance (transferable) Strong experience with C#, .NET, SQL, Angular, HTML, and JavaScript Eagerness to learn and implement new learning. Desirable Criteria: It would also be beneficial, but not mandatory, to have meet some or all of the following ...

Strong understanding of SharePoint development, including structured libraries, metadata, permissions and integration with other data sources. - Knowledge of core development languages such as PowerShell, JavaScript, C#, Python or similar. - Experience working with data sources including MS SQL, Dataverse, APIs, REST services, JSON/XML and other integration methods. - Strong problemsolving ...

React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Agile delivery workflows Tooling experience: Git Jira Confluence Desirable (Nice to Have): Cypress GitHub Actions Splunk Soft Skills & Behaviours: Clear ...

large, complex organisation Ability to work onsite 4 days per week Technical expertise in Python (Django, Flask frameworks) Demonstrable skills in React, JavaScript (Vanilla) and Node.js Working knowledge of API integration and workflow automation SQL (Database Management) and Data Integration skills Azure Cloud deployment YAML pipeline experience Familiarity with Azure ...

React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Agile delivery workflows Tooling experience: Git Jira Confluence Desirable (Nice to Have): Cypress GitHub Actions Splunk Other Requirements: Eligible ...

leadership* Leading integration work across multiple internal platforms* Supporting CRM/HubSpot integrations in one of the roles (nice to have) Tech EnvironmentNode.js, TypeScript, JavaScript, APIs, microservices, cloud platforms (AWS/GCP/Azure), data integrations, distributed systems. What They're Looking For* 6-10+ years backend engineering experience ...

relevant role. Essential Skills and Experience Demonstrable experience working as a Solutions Architect using a range of technologies (e.g. Java/Spring, Salesforce, JavaScript/TypeScript, microservices, containers, databases, cloud technologies) Experience in complex modernisation initiatives Ability to evaluate new technologies and understand their impact on the existing estate Experience ...

need a senior NodeJS developer with public sector experience to join a project. 6 month contract Inside IR35 Remote £400 per day AWS Typescript Javascript- Nodejs Docker, EKS (Containerisation), CI/CD, TDD Accessibility (WCAG) Public Sector Experience required ...

update + delete statements Using Test Management tools like Jira for planning, test execution + reporting. AWS Cloud environments + automated infrastructure. Advantageous skills: JavaScript, JMeter scripting, Performance Testing, Agile/Scrum. SC Security Clearance is essential for this position. ...

Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data ...

Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data ...

Raptors) Omni Processes (formerly Integration Procedures) Salesforce Flows (screen, triggered, API flows) Custom development skills in Apex and Lightning Web Components (LWC) Experience with JavaScript and Lightning Components Understanding of Salesforce security and sharing model Familiarity with CI/CD pipelines and Git-based version control Experience using Jira, Confluence ...

related field, with significant hands-on experience in AI, machine learning, or data science projects. Strong programming skills such as Python, Java, C#, or JavaScript are required, along with experience in solution architecture, cloud platforms (Azure, AWS, GCP), and web frameworks. Familiarity with automation tools such as Automation Anywhere ...

Processes (fka Integration Procedures) OmniScripts Skills in Apex (triggers, batch, web services) Integration Experience is benefcial (Mulesoft/APIGEE/Connected Apps) Experience of JavaScript/Lightning components Basic understanding of Apex sharing and security model Experienced with Lightning Web Components Skills in analysing and problem-solving issues Experience ...

where needed What Theyre Looking For: 5+ years Salesforce Industry Cloud development experience Experience with OmniStudio/Public Sector Solutions Skills in Apex, LWC, JavaScript, and integration tools (Mulesoft/APIGEE beneficial) Understanding of Salesforce security model, testing, and CI/CD deployment Strong communication, problem-solving, and time-management ...

resolve issues across multiple Outlook clients and platforms Core Technical Experience Demonstrated experience building Outlook add-ins in enterprise environments Strong skills in Office.js, JavaScript/TypeScript, HTML, and CSS Hands-on experience with hybrid Exchange (on-prem + Exchange Online) Solid understanding of Microsoft 365, Outlook desktop clients ...

facing set up Should scoped and delivered complex systems in rapid and ambiguous environments Delivered production-grade code across frontend and backend using Python, JavaScript, or similar stacks Understand how AI model behaviour affects product experience Communicate clearly with engineers, product teams, and customer stakeholders Flag risks early and seek ...

Power Fx formulas and strong communication and problem-solving skills are essential. Preferred qualities include experience with Azure services or custom connectors, familiarity with JavaScript or other web technologies and Power Platform certifications such as PL-100, PL-200 or PL-400. Reasonable Adjustments: Respect and equality are core values ...