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17 Contract API jobs in Teddington + 20 miles
80 exact matches jobs are outside your preferred location
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Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
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Application Security (secure coding, API security, SAST/DAST, WAF integration).
Application Security (secure coding, API security, SAST/DAST, WAF integration).
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Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
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Understanding of Rest API's
Understanding of Rest API's
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Working with top developers from around the world, helping to implement Kong Products and Technologies, including our API Gateway, AI Gateway and ServiceMesh solutions - Kong Inc., a leading developer of cloud API technologies, is on a mission to enable companies around the world to become API-first and securely accelerate AI adoption.
Working with top developers from around the world, helping to implement Kong Products and Technologies, including our API Gateway, AI Gateway and ServiceMesh solutions - Kong Inc., a leading developer of cloud API technologies, is on a mission to enable companies around the world to become API-first and securely accelerate AI adoption.
API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
As a machine learning engineer, your main responsibility is to conduct the development and productionisation of ML and NLP-based features for CUBEs products - a SaaS Platform (RegPlatform) and an API (RegConnect).
As a machine learning engineer, your main responsibility is to conduct the development and productionisation of ML and NLP-based features for CUBEs products - a SaaS Platform (RegPlatform) and an API (RegConnect).
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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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API integration and data transformation skills
API integration and data transformation skills
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Designing and developing RESTful APIs, with an understanding of basic API security and authentication mechanisms.
Designing and developing RESTful APIs, with an understanding of basic API security and authentication mechanisms.
Should have adequate understanding of APIs and microservices and should be able to perform testing at API layer. * Good working experience in performance testing and API testing of Energy trading applications for upstream areas. * Should have good working experience in performance testing and API testing of Energy trading applications for upstream areas.
Should have adequate understanding of APIs and microservices and should be able to perform testing at API layer. * Good working experience in performance testing and API testing of Energy trading applications for upstream areas. * Should have good working experience in performance testing and API testing of Energy trading applications for upstream areas.
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Protocols: TCP/IP, HTTP(S), SSL, WWW, JMS, FTP, Telnet, DNS, DHCP, VNC, RDP, NAT, SMTP, API
Protocols: TCP/IP, HTTP(S), SSL, WWW, JMS, FTP, Telnet, DNS, DHCP, VNC, RDP, NAT, SMTP, API
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
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Making a meaningful difference with mission-critical software that empowers communities to thrive. ReadyTech is more than just a one-trick pony playing in one market with one product, or one customer. We re-imagine, design, develop and deliver technology to solve our customers diverse problems supporting multiple businesses across a variety of markets to be ready for anything. Were an ASX-listed company which means we are stable, have a strong track record of sustainable growth and have a significant number of long-term customers. So, what does this mean for you? It means we can offer you an experience that will push you to be your best, provide career-building challenges, and that will offer you numerous growth opportunities that cant be found in any other company. Its an inclusive environment where there is no place for politics, where we get our heads together to s
Making a meaningful difference with mission-critical software that empowers communities to thrive. ReadyTech is more than just a one-trick pony playing in one market with one product, or one customer. We re-imagine, design, develop and deliver technology to solve our customers diverse problems supporting multiple businesses across a variety of markets to be ready for anything. Were an ASX-listed company which means we are stable, have a strong track record of sustainable growth and have a significant number of long-term customers. So, what does this mean for you? It means we can offer you an experience that will push you to be your best, provide career-building challenges, and that will offer you numerous growth opportunities that cant be found in any other company. Its an inclusive environment where there is no place for politics, where we get our heads together to s
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Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently. A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in? Heres what were up to: Choco to life for our customers. At Choco, we believe technology should feel human. As a member of the Solutions Team , youll bring our vision to life: activating the full potential of Chocos products and people. Youll empower our Go-To-Market teams to deliver resilient results through scalable tools, evolving playbooks, and data-driven processes. As our first Demo Engineering Analyst , youll design the systems that allow our sales and customer success teams to show Chocos value in
Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently. A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in? Heres what were up to: Choco to life for our customers. At Choco, we believe technology should feel human. As a member of the Solutions Team , youll bring our vision to life: activating the full potential of Chocos products and people. Youll empower our Go-To-Market teams to deliver resilient results through scalable tools, evolving playbooks, and data-driven processes. As our first Demo Engineering Analyst , youll design the systems that allow our sales and customer success teams to show Chocos value in
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The Mission - At FLOX, we believe smarter farms lead to thriving chickens and healthier lives. Our mission is simple: healthier chickens benefit everyone. Thats why we built FLOX360, a system that uses Computer Vision, smart sensors, and real-time insights to transform poultry farming. By helping farmers improve welfare and efficiency, FLOX360 creates a win-win for birds, farmers, the environment, and people everywhere. Today, were watching 60 million chickens a year. We believe we are setting the standard for animal welfare and smart farming - and were just getting started. The People - Were a diverse team of engineers and entrepreneurs, representing over 13 nationalities and all walks of life - even a few vegetarians! We are brought together by a shared passion for meaningful impact. Empathetic Artisan - We approach our work with care, artistry, and genuine empathy
The Mission - At FLOX, we believe smarter farms lead to thriving chickens and healthier lives. Our mission is simple: healthier chickens benefit everyone. Thats why we built FLOX360, a system that uses Computer Vision, smart sensors, and real-time insights to transform poultry farming. By helping farmers improve welfare and efficiency, FLOX360 creates a win-win for birds, farmers, the environment, and people everywhere. Today, were watching 60 million chickens a year. We believe we are setting the standard for animal welfare and smart farming - and were just getting started. The People - Were a diverse team of engineers and entrepreneurs, representing over 13 nationalities and all walks of life - even a few vegetarians! We are brought together by a shared passion for meaningful impact. Empathetic Artisan - We approach our work with care, artistry, and genuine empathy
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Domo puts data to work to help everyone multiply their impact. Domo gives every kind of user real-time insights they can act on, with secure, easy-to-use, AI-powered data experience that drive a culture of data curiosity. As part of the EMEA Advanced Customer Enablement (ACE) program we are seeking a Technical Adoption Consultant to serve as a trusted advisor for customer accounts, helping them maximize the potential of Domos AI & Data Products Platform. In this role, you will collaborate closely with customer teams to drive the adoption and successful implementation of Domo, from conception through delivery. You'll be responsible for facilitating engagement through webinars, workshops, and training, while also mentoring customers to foster self-sufficiency. Your technical expertise will be essential in guiding customers through system and data architecture, integrati
Domo puts data to work to help everyone multiply their impact. Domo gives every kind of user real-time insights they can act on, with secure, easy-to-use, AI-powered data experience that drive a culture of data curiosity. As part of the EMEA Advanced Customer Enablement (ACE) program we are seeking a Technical Adoption Consultant to serve as a trusted advisor for customer accounts, helping them maximize the potential of Domos AI & Data Products Platform. In this role, you will collaborate closely with customer teams to drive the adoption and successful implementation of Domo, from conception through delivery. You'll be responsible for facilitating engagement through webinars, workshops, and training, while also mentoring customers to foster self-sufficiency. Your technical expertise will be essential in guiding customers through system and data architecture, integrati
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About AppyWay - AppyWay helps cities reduce carbon emissions by making it easier to manage and find parking. The company started with a simple parking app called AppyParking because street parking data wasnt easy to access or understand. This led them to create the largest database of standardized parking data in the UK. Our Traffic Suite platform empowers local authorities with best-in-class kerbside data, APIs, and tools to manage traffic orders, parking, and street space more efficiently. Now, AppyWays platform is used by cities across Europe and even in New York City. It provides parking maps, real-time availability, and cashless payment options to help drivers and delivery fleets find parking more efficiently. Theyve raised over £20 million from investors like Hyundai and Mastercard to continue growing.
About AppyWay - AppyWay helps cities reduce carbon emissions by making it easier to manage and find parking. The company started with a simple parking app called AppyParking because street parking data wasnt easy to access or understand. This led them to create the largest database of standardized parking data in the UK. Our Traffic Suite platform empowers local authorities with best-in-class kerbside data, APIs, and tools to manage traffic orders, parking, and street space more efficiently. Now, AppyWays platform is used by cities across Europe and even in New York City. It provides parking maps, real-time availability, and cashless payment options to help drivers and delivery fleets find parking more efficiently. Theyve raised over £20 million from investors like Hyundai and Mastercard to continue growing.
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Project Overview - Were seeking a Mid/Senior Laravel Developer to join our team and improve our core application; youll need 4+ years of PHP/Laravel experience, strong TDD and design-pattern skills (DTOs, SOLID), expertise in optimizing Eloquent/SQL queries, and comfort with Linux-based DevOps. This is a contract role with potential for a long-term engagement. * Architect, build, and maintain robust web applications using Laravel (10+) * Design and implement RESTful APIs, background jobs, and event-driven workflows * Write clean, testable code following best practices (TDD) * Author and maintain unit and feature tests, ensuring high coverage * Work with Data Transfer Objects (DTOs) and well-known design patterns (Repository, Service, etc.) * Optimize Eloquent and raw SQL queries for performance and scalability
Project Overview - Were seeking a Mid/Senior Laravel Developer to join our team and improve our core application; youll need 4+ years of PHP/Laravel experience, strong TDD and design-pattern skills (DTOs, SOLID), expertise in optimizing Eloquent/SQL queries, and comfort with Linux-based DevOps. This is a contract role with potential for a long-term engagement. * Architect, build, and maintain robust web applications using Laravel (10+) * Design and implement RESTful APIs, background jobs, and event-driven workflows * Write clean, testable code following best practices (TDD) * Author and maintain unit and feature tests, ensuring high coverage * Work with Data Transfer Objects (DTOs) and well-known design patterns (Repository, Service, etc.) * Optimize Eloquent and raw SQL queries for performance and scalability
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About iProov - iProov provides science-based biometric solutions that enable the worlds most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. This global trust is built not only on our technology but on the strength of the people behind it. For us, diversity at iProov is about reflecting the customers we serve, holding the principles of equality and inclusion at the heart of everything we do and all that we stand for, ..
About iProov - iProov provides science-based biometric solutions that enable the worlds most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. This global trust is built not only on our technology but on the strength of the people behind it. For us, diversity at iProov is about reflecting the customers we serve, holding the principles of equality and inclusion at the heart of everything we do and all that we stand for, ..
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Our client is a pre-seed, London-based startup building a universal financial intelligence layer for the healthcare industry. With $2M in funding from top-tier VCs, they're tackling a massive, untapped market: providing financial visibility to the dental industry, which currently lacks the tools to unify fragmented data across various systems. They've already found product-market fit and are poised for rapid growth. This is a unique opportunity to join a small, early-stage team and help build the foundation of a global platform. Our client is looking for a Software Engineer to work directly with the CTO and own problems from end-to-end. This is a hands-on role for a product-minded engineer who is dedicated to building scalable and durable systems. You will be instrumental in developing the core product, which will include building payment workflows, integrations, and
Our client is a pre-seed, London-based startup building a universal financial intelligence layer for the healthcare industry. With $2M in funding from top-tier VCs, they're tackling a massive, untapped market: providing financial visibility to the dental industry, which currently lacks the tools to unify fragmented data across various systems. They've already found product-market fit and are poised for rapid growth. This is a unique opportunity to join a small, early-stage team and help build the foundation of a global platform. Our client is looking for a Software Engineer to work directly with the CTO and own problems from end-to-end. This is a hands-on role for a product-minded engineer who is dedicated to building scalable and durable systems. You will be instrumental in developing the core product, which will include building payment workflows, integrations, and
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1. Help deliver on the product vision for reshaping a 300-year old industry through building a compelling modern marketplace experience - 2. Help drive Sotheby's contribution to servicing the circular economy and drive adoption of marketplace experience to a completely new target demographic - 3. Collaborate with designers, user researchers, and engineers to test and ship features continuously - 4. Building, optimizing, and maintaining internal and consumer-facing tools that enable Sotheby's sell consigned inventory - 5. Designing and building elegant abstractions, shareable libraries, and robust APIs - 6. Actively looking for ways to improve the end-to-end experience for specialists across Sotheby's internal-facing product portfolio - 7. Working closely with product managers, and stakeholders across the company. 8. 5+ years of industry engineering experience with pro
1. Help deliver on the product vision for reshaping a 300-year old industry through building a compelling modern marketplace experience - 2. Help drive Sotheby's contribution to servicing the circular economy and drive adoption of marketplace experience to a completely new target demographic - 3. Collaborate with designers, user researchers, and engineers to test and ship features continuously - 4. Building, optimizing, and maintaining internal and consumer-facing tools that enable Sotheby's sell consigned inventory - 5. Designing and building elegant abstractions, shareable libraries, and robust APIs - 6. Actively looking for ways to improve the end-to-end experience for specialists across Sotheby's internal-facing product portfolio - 7. Working closely with product managers, and stakeholders across the company. 8. 5+ years of industry engineering experience with pro
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About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
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