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142 API jobs in West London + 20 miles
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JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
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As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
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D365 Functional Consultant / Analyst (Not-for-Profit) Permanent | West London | Hybrid - About the role - 167 Solutions are hiring on behalf of a fantastic not-for-profit based in West London. We are looking for a Dynamics 365 Functional Consultant/Analyst to own discovery, configuration and continuous improvement across Dynamics 365 and the wider Power Platform. You will gather requirements, translate them into well-designed solutions, and help the organisation get real value from its CRM. Key responsibilities * Run discovery workshops and turn business needs into clear user stories and acceptance criteria * Configure Dynamics 365 CE modules (Sales, Service), Dataverse, forms, views, business rules and security roles * Build and optimise Power Platform solutions, including Power Automate flows and model-driven apps
D365 Functional Consultant / Analyst (Not-for-Profit) Permanent | West London | Hybrid - About the role - 167 Solutions are hiring on behalf of a fantastic not-for-profit based in West London. We are looking for a Dynamics 365 Functional Consultant/Analyst to own discovery, configuration and continuous improvement across Dynamics 365 and the wider Power Platform. You will gather requirements, translate them into well-designed solutions, and help the organisation get real value from its CRM. Key responsibilities * Run discovery workshops and turn business needs into clear user stories and acceptance criteria * Configure Dynamics 365 CE modules (Sales, Service), Dataverse, forms, views, business rules and security roles * Build and optimise Power Platform solutions, including Power Automate flows and model-driven apps
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Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
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Senior Software Engineer C# .Net - Asset Manager
Senior Software Engineer C# .Net - Asset Manager
Client Server
The City, EC4
£100000 - £150000 per annum + bonus + benefits
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
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AWS DevOps Engineer, contract, remote (outside IR35)
AWS DevOps Engineer, contract, remote (outside IR35)
Staffworx Limited
EC1A, City of London
market rates, outside IR35, initial, likely long term extensions
AWS DevOps specialism (Lambda, API Gateway, Route 53, WAF, Shield, IAM, Cognito) * AWS API Gateway
AWS DevOps specialism (Lambda, API Gateway, Route 53, WAF, Shield, IAM, Cognito) * AWS API Gateway
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Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
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Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
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5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
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Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
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Familiarity with API testing
Familiarity with API testing
Senior Security Engineer Defender PurView Sentinel
Senior Security Engineer Defender PurView Sentinel
Invitise Ltd
EC1A, City of London
Up to £500 per day Outside IR35
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
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Junior Test Automation Engineer
Junior Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £35,000 to £50,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
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Test Automation Engineer
Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £50,000 to £65,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
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SharePoint REST API: Integration with SharePoint lists and libraries
SharePoint REST API: Integration with SharePoint lists and libraries
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Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
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AI Technical Consultant
AI Technical Consultant
Polar Recruitment Services Ltd
KT13, Weybridge
From £60,000 to £70,000 per annum
Strong proficiency in Python, Java, and SQL/NoSQL databases, along with API development and data integration techniques.
Strong proficiency in Python, Java, and SQL/NoSQL databases, along with API development and data integration techniques.
Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
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Senior Backend Engineer
Senior Backend Engineer
Innovate Recruitment Ltd
EC1N, City of London
Up to £95,000 per annum Benefits, Bonus, Share scheme
Experience building cloud-based REST API solutions
Experience building cloud-based REST API solutions
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AI (artificial intelligence) DevOps Engineer
AI (artificial intelligence) DevOps Engineer
Huxley Associates
EC1, City of London
£60000 - £90000 per annum
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
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Proficiency with Git workflows, LAMP stack, and REST API integrations.
Proficiency with Git workflows, LAMP stack, and REST API integrations.
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Strong knowledge of Salesforce Lightning Web Components (LWC), Apex, SOQL, JavaScript Salesforce Lightning Design System (SLDS), REST API, Git and packages.
Strong knowledge of Salesforce Lightning Web Components (LWC), Apex, SOQL, JavaScript Salesforce Lightning Design System (SLDS), REST API, Git and packages.
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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Experience working with data structures, data analytics, and an understanding of the technical aspects of API development.
Experience working with data structures, data analytics, and an understanding of the technical aspects of API development.
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
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