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29 Contract API jobs in Welwyn Garden City + 20 miles
336 exact matches jobs are outside your preferred location
Experience with REST API development and microservices architectures
Experience with REST API development and microservices architectures
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Technology Stack Proficiency : Experienced in Microsoft technologies (C#, ASP.NET Core, Web API), JavaScript (AngularJS or React), and Azure Microservices.
Technology Stack Proficiency : Experienced in Microsoft technologies (C#, ASP.NET Core, Web API), JavaScript (AngularJS or React), and Azure Microservices.
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Implement and maintain Azure Firewall, API Management (APIM), Databases, Service Bus, and Event Grid.
Implement and maintain Azure Firewall, API Management (APIM), Databases, Service Bus, and Event Grid.
Youll join the team responsible for running the core infrastructure that supports products like ChatGPT and the API.
Youll join the team responsible for running the core infrastructure that supports products like ChatGPT and the API.
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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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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Software Engineer - (Machine Learning Experience a plus) - hybrid
Software Engineer - (Machine Learning Experience a plus) - hybrid
FactSet Europe Ltd
London
Competitive
Proficiency with API design
Proficiency with API design
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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Collaborate with ML Engineering to enhance model sophistication, ensuring seamless integration with Radar API and establishing robust MLOps pipelines for scalable deployment.
Collaborate with ML Engineering to enhance model sophistication, ensuring seamless integration with Radar API and establishing robust MLOps pipelines for scalable deployment.
Frontend and API testing,
Frontend and API testing,
Manager Data Engineering
Manager Data Engineering
LEXISNEXIS RISK SOLUTIONS UK LIMITED T/a LexisNexis Risk Solutions Group
London
Competitive
Experience with API design, integration, and management.
Experience with API design, integration, and management.
This role is pivotal in connecting our core developer products (API, Eventing, Lambdas, Marketplace) to the company's next-generation AI and data platforms. * Establish and champion the technical vision and architectural governance for our external API framework, ensuring consistency, scalability, and a world-class developer experience across all of Samsara's product lines.
This role is pivotal in connecting our core developer products (API, Eventing, Lambdas, Marketplace) to the company's next-generation AI and data platforms. * Establish and champion the technical vision and architectural governance for our external API framework, ensuring consistency, scalability, and a world-class developer experience across all of Samsara's product lines.
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
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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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Strong experience in Bash scripting and API scripting.
Strong experience in Bash scripting and API scripting.
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Senior Software Developer
Senior Software Developer
Inspire People
UK
£49600 - £60800 per annum + 29% pension + Civil Service benefits
Solid understanding of system design, API development and integration practices
Solid understanding of system design, API development and integration practices
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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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Role: Solutions Architect - Location: Hybrid, Hampshire - Salary: Competitive (Outside IR35) Type 5 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a specialist technology consultancy delivering high-impact digital transformation across UK Central Government and Defence. Theyre looking for a Senior Solution Architect who can set technical direction on projects that genuinely shape national infrastructure and public-sector capability. Youll be right at the intersection of strategy and engineering, guiding multidisciplinary t
Role: Solutions Architect - Location: Hybrid, Hampshire - Salary: Competitive (Outside IR35) Type 5 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a specialist technology consultancy delivering high-impact digital transformation across UK Central Government and Defence. Theyre looking for a Senior Solution Architect who can set technical direction on projects that genuinely shape national infrastructure and public-sector capability. Youll be right at the intersection of strategy and engineering, guiding multidisciplinary t
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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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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AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
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We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
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Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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