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        629 Contract API jobs in UK + 20 miles

        React Frontend Developer

        Xelix
        London
        £60,000 - £75,000 a year
        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
        more

        Data Engineer

        PA Consulting Group Holdings Limited
        Glasgow, Lanarkshire
        Competitive
        Company Description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job Description
        Company Description - We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job Description
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        The requirements listed in our job descriptions are guidelines, not hard and fast rules. You don't have to satisfy every requirement or meet every qualification listed. If your skills are transferable and you are in the ballpark experience-wise, we'd love to speak to you. FanDuel Group is a world-class team of brands and products that deliver sports betting, gaming and entertainment to millions of US sports fans every day. That's no easy task, and wouldn't be possible without a fantastic team who have helped us pioneer new products and innovative features that make us a leader in the industry. Whether you're looking for better career progression, improved financial security or just a better sense of belonging, we believe we've created a culture in which everyone can succeed, no matter how you got here.
        The requirements listed in our job descriptions are guidelines, not hard and fast rules. You don't have to satisfy every requirement or meet every qualification listed. If your skills are transferable and you are in the ballpark experience-wise, we'd love to speak to you. FanDuel Group is a world-class team of brands and products that deliver sports betting, gaming and entertainment to millions of US sports fans every day. That's no easy task, and wouldn't be possible without a fantastic team who have helped us pioneer new products and innovative features that make us a leader in the industry. Whether you're looking for better career progression, improved financial security or just a better sense of belonging, we believe we've created a culture in which everyone can succeed, no matter how you got here.
        more
        Salary: £60,000 - £75,000k - Location: Remote, must be UK-based - Why Midnite? Midnite is a next-generation betting platform that is built for todays fandom. We are a collective of engineers and designers who all share a passion for building the best sportsbook & casino experience possible, allowing our fans to feel closer to the games they love through the rush of winning money. Unlike the alternatives, Midnite doesn't feel like a website built two decades ago. Instead, it's a cutting-edge creation, designed and constructed from the ground up with the latest technologies. Crafting an experience that's truly intuitive, immersive, and immediately understandable is no walk in the park, but we thrive on the challenge. We believe we're on the brink of creating something truly awesome. What will you do? In this role, youll actively develop and maintain key features of our
        Salary: £60,000 - £75,000k - Location: Remote, must be UK-based - Why Midnite? Midnite is a next-generation betting platform that is built for todays fandom. We are a collective of engineers and designers who all share a passion for building the best sportsbook & casino experience possible, allowing our fans to feel closer to the games they love through the rush of winning money. Unlike the alternatives, Midnite doesn't feel like a website built two decades ago. Instead, it's a cutting-edge creation, designed and constructed from the ground up with the latest technologies. Crafting an experience that's truly intuitive, immersive, and immediately understandable is no walk in the park, but we thrive on the challenge. We believe we're on the brink of creating something truly awesome. What will you do? In this role, youll actively develop and maintain key features of our
        more
        At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. About us - Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward.
        At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. About us - Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward.
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        Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
        Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
        more
        Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
        Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
        more
        Tech Stack: Java, ECS, AWS RDS, Terraform, AWS API Gateway * Experience working with the following technologies would be a bonus: SpringBoot, Oracle DB, Terraform, React & AWS specifics: API Gateway and RDS
        Tech Stack: Java, ECS, AWS RDS, Terraform, AWS API Gateway * Experience working with the following technologies would be a bonus: SpringBoot, Oracle DB, Terraform, React & AWS specifics: API Gateway and RDS
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        Concepts: Practical understanding of LLMs, intelligent search (e.g., Microsoft Graph API, AI-powered search), and Robotic Process Automation (RPA) tools (e.g., UiPath, Automation Anywhere).
        Concepts: Practical understanding of LLMs, intelligent search (e.g., Microsoft Graph API, AI-powered search), and Robotic Process Automation (RPA) tools (e.g., UiPath, Automation Anywhere).
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        Experience with RESTful API design and implementation.
        Experience with RESTful API design and implementation.
        NEW
        At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
        At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
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        Architect, design and review .NET Core microservices (API design, messaging, resiliency, CI/CD) deployed to Azure (App Services, Containerization, Functions, Service Bus, Cosmos/SQL, APIM).
        Architect, design and review .NET Core microservices (API design, messaging, resiliency, CI/CD) deployed to Azure (App Services, Containerization, Functions, Service Bus, Cosmos/SQL, APIM).
        more
        The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
        The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
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        You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
        You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
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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
        more

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        What is the average salary for API in UK?

        Average salary per year
        £57,499

        The average salary for a API in UK is £57,499. API in UK salaries range from £47,499 to £77,499.

        Frequently Asked Questions

        How many contract API jobs are there in UK?
        There are 629 contract API jobs within 20 miles of UK available on CWJobs right now.

        Where in UK are these contract jobs?
        You can find contract jobs in South East, North West, Midlands.

        What other similar jobs are there to contract API jobs in UK?
        As well as contract API jobs in UK, you can find contract IT, Software Development, Architecture, amongst many others.