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35 Contract API jobs in Clewer St. Stephen + 20 miles
276 exact matches jobs are outside your preferred location
Welcome to Gain Conversion! Gain is a creative-led, insight-driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organisations need to make braver, more impactful decisions. At Conversion, were a team of global CRO experts who help brands optimise their digital ecosystems, websites, platforms, and customer experiences to drive real, measurable growth. We intend to prove that evidence-based decisions get the best results, and our people and unique culture are the fuel.
Welcome to Gain Conversion! Gain is a creative-led, insight-driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organisations need to make braver, more impactful decisions. At Conversion, were a team of global CRO experts who help brands optimise their digital ecosystems, websites, platforms, and customer experiences to drive real, measurable growth. We intend to prove that evidence-based decisions get the best results, and our people and unique culture are the fuel.
Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
Python Developer (Full Stack) ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem-Solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organization from the ground up, use your voice to drive change and help transform organisations and problem domains. Job Role
Python Developer (Full Stack) ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem-Solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organization from the ground up, use your voice to drive change and help transform organisations and problem domains. Job Role
Software Developer/Analyst
Software Developer/Analyst
International Rescue Committee, U.k.
City of London, London
£45,954 - £53,614 a year
The International Rescue Committee (IRC) responds to the world's worst humanitarian crises, helping to restore health, safety, education, economic wellbeing, and power to people devastated by conflict and disaster. Founded in 1933 at the call of Albert Einstein, the IRC is one of the world's largest international humanitarian non-governmental organizations (INGO), at work in more than 40 countries and 29 U.S. cities helping people to survive, reclaim control of their future and strengthen their communities. A force for humanity, IRC employees deliver lasting impact by restoring safety, dignity and hope to millions. If you're a solutions-driven, passionate change-maker, come join us in positively impacting the lives of millions of people world-wide for a better future. We aim to make our programs a model for the highest global standards and to cultivate power and lasti
The International Rescue Committee (IRC) responds to the world's worst humanitarian crises, helping to restore health, safety, education, economic wellbeing, and power to people devastated by conflict and disaster. Founded in 1933 at the call of Albert Einstein, the IRC is one of the world's largest international humanitarian non-governmental organizations (INGO), at work in more than 40 countries and 29 U.S. cities helping people to survive, reclaim control of their future and strengthen their communities. A force for humanity, IRC employees deliver lasting impact by restoring safety, dignity and hope to millions. If you're a solutions-driven, passionate change-maker, come join us in positively impacting the lives of millions of people world-wide for a better future. We aim to make our programs a model for the highest global standards and to cultivate power and lasti
The Role - Were looking for a Senior Data Engineer to play a pivotal role in shaping, scaling, and maintaining our data pipelines and Lakehouse architectures, ensuring they are reliable, high-performing, and cost-efficient. Youll be joining our Data & BI team, collaborating with internal stakeholders and external partners to enhance and optimise existing systems. Youll be across the development of our data platform supporting The Arsenal App, enabling seamless engagement between our club and our supporters. Who we are - We are one of the most famous clubs in world football, with a rich heritage and history of success read more about our history, here. Beyond that, we are passionate about our local community and, behind the scenes, we have a wide variety of opportunities and career paths for all. We have a very defined purpose: to act for a winning team, culture and co
The Role - Were looking for a Senior Data Engineer to play a pivotal role in shaping, scaling, and maintaining our data pipelines and Lakehouse architectures, ensuring they are reliable, high-performing, and cost-efficient. Youll be joining our Data & BI team, collaborating with internal stakeholders and external partners to enhance and optimise existing systems. Youll be across the development of our data platform supporting The Arsenal App, enabling seamless engagement between our club and our supporters. Who we are - We are one of the most famous clubs in world football, with a rich heritage and history of success read more about our history, here. Beyond that, we are passionate about our local community and, behind the scenes, we have a wide variety of opportunities and career paths for all. We have a very defined purpose: to act for a winning team, culture and co
Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
WNS Global Services Ltd
London
Competitive
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
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Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
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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) * Experience in 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) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Web API Services
Web API Services
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Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
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Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
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Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
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Understanding of REST API design
Understanding of REST API design
Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
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Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Exposure to MACH architecture (Microservices, API-first, Cloud-native, Headless) is highly advantageous.
Exposure to MACH architecture (Microservices, API-first, Cloud-native, Headless) is highly advantageous.
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In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
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Detect security weaknesses across API's, Applications and Infrastructure
Detect security weaknesses across API's, Applications and Infrastructure
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Deep understanding of API technologies (REST, GraphQL, XML-RPC)
Deep understanding of API technologies (REST, GraphQL, XML-RPC)
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Familiarity with API integrations, JSON, and data structures
Familiarity with API integrations, JSON, and data structures
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Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
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Design, build and maintain data-intensive web applications and API-driven systems
Design, build and maintain data-intensive web applications and API-driven systems
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Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
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Related Jobs
Locations
- The City, City (EC4)
- Southwark
- Ireland
- The City, City (EC2)
- The City, City (EC3)
- Euston
- Kennington
- Mayfair
- Piccadilly
- Shepway
- City of London
- Reading
- South East London
- Central London
- West End
- Abingdon
- Southampton
- Milton Keynes
- South West London
- Bracknell
- London
- Berkshire
- Hampshire
- Oxfordshire
- Surrey
- Bedfordshire
- Buckinghamshire
- Hertfordshire
- Northamptonshire
- Kent
- South East
- East Midlands
- Midlands
- South West