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8 Contract API jobs in Hunslet Business Park + 20 miles
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Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
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If you enjoy taking ownership of business-critical systems and seeing the direct impact of your work, this Software Developer opportunity offers the chance to make a genuine difference within a fast-moving operational environment. You'll work across a diverse technology estate, helping to enhance, integrate and evolve software that sits at the heart of day-to-day business performance. What's in it for you * Five-month contract with immediate impact across multiple business systems * Hybrid and remote working with flexibility around site visits * Exposure to a varied technology stack including PHP, MySQL, Python and AWS * Opportunity to work on software that directly supports operational success * Broad project involvement spanning integrations, reporting and automation * Chance to influence improvements within a growing and evolving environment
If you enjoy taking ownership of business-critical systems and seeing the direct impact of your work, this Software Developer opportunity offers the chance to make a genuine difference within a fast-moving operational environment. You'll work across a diverse technology estate, helping to enhance, integrate and evolve software that sits at the heart of day-to-day business performance. What's in it for you * Five-month contract with immediate impact across multiple business systems * Hybrid and remote working with flexibility around site visits * Exposure to a varied technology stack including PHP, MySQL, Python and AWS * Opportunity to work on software that directly supports operational success * Broad project involvement spanning integrations, reporting and automation * Chance to influence improvements within a growing and evolving environment
NEWFEATURED
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Build and maintain the integrations, MCP builds, API connections and infrastructure that sit beneath and around our GenAI platform
Build and maintain the integrations, MCP builds, API connections and infrastructure that sit beneath and around our GenAI platform
Working closely with engineers, product managers, and other QA specialists, youll lead manual and exploratory testing, support API testing, and play a key role in improving quality throughout the development lifecycle.
Working closely with engineers, product managers, and other QA specialists, youll lead manual and exploratory testing, support API testing, and play a key role in improving quality throughout the development lifecycle.
Strong understanding of RESTful API design and integration.
Strong understanding of RESTful API design and integration.
Contributing to test coverage across UI, API, and integration layers, applying tests at the appropriate level
Contributing to test coverage across UI, API, and integration layers, applying tests at the appropriate level
Company Description - Angstrom is a proprietary sports pricing and product provider, building intricate, simulation driven pricing and risk systems to support the success of key sports brands across the Entain group. Founded in 2018 and having established itself as a pioneer in player-level, play-by-play simulations and forecasting, Angstrom was acquired by Entain in 2023. Today, we operate as a semi-autonomous division, responsible for delivering the groups most advanced pricing and risk capabilities with a focus on the US market. Were committed to building the next generation of sports betting products sports-first, recreationally-focused, and designed to make betting more engaging, more intelligent, and more fun. Were proud to be a high-performing, low-ego team where brilliant people work and people work to become brilliant.
Company Description - Angstrom is a proprietary sports pricing and product provider, building intricate, simulation driven pricing and risk systems to support the success of key sports brands across the Entain group. Founded in 2018 and having established itself as a pioneer in player-level, play-by-play simulations and forecasting, Angstrom was acquired by Entain in 2023. Today, we operate as a semi-autonomous division, responsible for delivering the groups most advanced pricing and risk capabilities with a focus on the US market. Were committed to building the next generation of sports betting products sports-first, recreationally-focused, and designed to make betting more engaging, more intelligent, and more fun. Were proud to be a high-performing, low-ego team where brilliant people work and people work to become brilliant.
Proven expertise in Web and RESTful API development
Proven expertise in Web and RESTful API development
57 exact matches jobs are outside your preferred location
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Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
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Working closely with backend engineers on API design, data flow, and system integration * Strong grasp of API-driven architecture and frontend/backend interaction
Working closely with backend engineers on API design, data flow, and system integration * Strong grasp of API-driven architecture and frontend/backend interaction
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Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
FEATURED
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Elevation Recruitment Group are working with a growing business on an exciting fixed-term engagement to support the optimisation and rollout of its core platforms Oracle NetSuite. This is a hands-on role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administering and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms
Elevation Recruitment Group are working with a growing business on an exciting fixed-term engagement to support the optimisation and rollout of its core platforms Oracle NetSuite. This is a hands-on role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administering and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms
FEATURED
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My Customer seeking an experienced Identity and Access Management (IdAM) Architect to lead the design, implementation, and enhancement of CyberArk Privileged Access Management (PAM) and identity governance solutions across a complex enterprise environment. The successful candidate will provide technical leadership throughout the project lifecycle, working closely with project, security, architecture, and operational teams to deliver secure and scalable identity services. * Extensive hands-on experience designing, deploying, and supporting CyberArk PAM solutions within large-scale enterprise environments. * Strong background in Identity and Access Management, including Privileged Access Management (PAM), Identity Governance and Administration (IGA), and Authentication, Authorisation and Accounting (AAA) frameworks.
My Customer seeking an experienced Identity and Access Management (IdAM) Architect to lead the design, implementation, and enhancement of CyberArk Privileged Access Management (PAM) and identity governance solutions across a complex enterprise environment. The successful candidate will provide technical leadership throughout the project lifecycle, working closely with project, security, architecture, and operational teams to deliver secure and scalable identity services. * Extensive hands-on experience designing, deploying, and supporting CyberArk PAM solutions within large-scale enterprise environments. * Strong background in Identity and Access Management, including Privileged Access Management (PAM), Identity Governance and Administration (IGA), and Authentication, Authorisation and Accounting (AAA) frameworks.
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About the Role - An exciting opportunity has arisen for an experienced Power BI Administrator to join a global Cybersecurity Science and Analytics function within a large enterprise environment. This senior-level contractor role will support a high-performing team of cybersecurity specialists, engineers, and data professionals delivering advanced analytics, enterprise reporting, and insight-driven solutions at scale. This role offers strong exposure to enterprise analytics technologies, cloud platforms, DevOps practices, and modern data engineering concepts, making it an excellent opportunity for someone looking to further develop their expertise within a large-scale cyber and analytics landscape. Key Responsibilities * Administer and maintain the Power BI and Microsoft Fabric environments, ensuring platform stability, performance, scalability, and security.
About the Role - An exciting opportunity has arisen for an experienced Power BI Administrator to join a global Cybersecurity Science and Analytics function within a large enterprise environment. This senior-level contractor role will support a high-performing team of cybersecurity specialists, engineers, and data professionals delivering advanced analytics, enterprise reporting, and insight-driven solutions at scale. This role offers strong exposure to enterprise analytics technologies, cloud platforms, DevOps practices, and modern data engineering concepts, making it an excellent opportunity for someone looking to further develop their expertise within a large-scale cyber and analytics landscape. Key Responsibilities * Administer and maintain the Power BI and Microsoft Fabric environments, ensuring platform stability, performance, scalability, and security.
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12 Month Fixed Term Contract - Manchester - 1 day per week - About Salix - At Salix, we enable and inspire organisations to achieve net zero and create better places. We deliver and administer government funding schemes that improve energy efficiency, support clean power and help create warmer, healthier homes and resilient public buildings across the UK. Working with central government, local authorities, housing associations, universities, schools and hospitals, we combine funding delivery with practical expertise and insight to help organisations turn ambition into real-world impact. As we continue to grow and evolve, including supporting the delivery of the Warm Homes Plan and future strategic programmes, we are looking for talented people who want their work to contribute to a greener future. The Role
12 Month Fixed Term Contract - Manchester - 1 day per week - About Salix - At Salix, we enable and inspire organisations to achieve net zero and create better places. We deliver and administer government funding schemes that improve energy efficiency, support clean power and help create warmer, healthier homes and resilient public buildings across the UK. Working with central government, local authorities, housing associations, universities, schools and hospitals, we combine funding delivery with practical expertise and insight to help organisations turn ambition into real-world impact. As we continue to grow and evolve, including supporting the delivery of the Warm Homes Plan and future strategic programmes, we are looking for talented people who want their work to contribute to a greener future. The Role
FEATURED
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London - x3 days onsite - 3-6 months initially - Inside IR35 - umbrella only - Job description - We are seeking 2 talented and detail-oriented Data Analysts to join the Identity and Access team. This role will focus on reviewing and ensuring the integrity of identity data flowing end-to-end from MyHR, One Identity, Active Directory, and Entra systems. The successful candidate will be responsible for verifying the accuracy of existing identity attributes, identifying any additional fields required for dynamic content mapping, and ensuring that reporting is both current and reflective of any changes. The initial scope will cover the domain for employees and contractors, followed by non-human accounts, with subsequent extension to additional domains such as MNSSTORES for store colleagues. Key Responsibilities
London - x3 days onsite - 3-6 months initially - Inside IR35 - umbrella only - Job description - We are seeking 2 talented and detail-oriented Data Analysts to join the Identity and Access team. This role will focus on reviewing and ensuring the integrity of identity data flowing end-to-end from MyHR, One Identity, Active Directory, and Entra systems. The successful candidate will be responsible for verifying the accuracy of existing identity attributes, identifying any additional fields required for dynamic content mapping, and ensuring that reporting is both current and reflective of any changes. The initial scope will cover the domain for employees and contractors, followed by non-human accounts, with subsequent extension to additional domains such as MNSSTORES for store colleagues. Key Responsibilities
About the Role - An exciting opportunity has arisen for an experienced Power BI Administrator to join a global Cybersecurity Science and Analytics function within a large enterprise environment. This senior-level contractor role will support a high-performing team of cybersecurity specialists, engineers, and data professionals delivering advanced analytics, enterprise reporting, and insight-driven solutions at scale. This role offers strong exposure to enterprise analytics technologies, cloud platforms, DevOps practices, and modern data engineering concepts, making it an excellent opportunity for someone looking to further develop their expertise within a large-scale cyber and analytics landscape. Key Responsibilities * Administer and maintain the Power BI and Microsoft Fabric environments, ensuring platform stability, performance, scalability, and security.
About the Role - An exciting opportunity has arisen for an experienced Power BI Administrator to join a global Cybersecurity Science and Analytics function within a large enterprise environment. This senior-level contractor role will support a high-performing team of cybersecurity specialists, engineers, and data professionals delivering advanced analytics, enterprise reporting, and insight-driven solutions at scale. This role offers strong exposure to enterprise analytics technologies, cloud platforms, DevOps practices, and modern data engineering concepts, making it an excellent opportunity for someone looking to further develop their expertise within a large-scale cyber and analytics landscape. Key Responsibilities * Administer and maintain the Power BI and Microsoft Fabric environments, ensuring platform stability, performance, scalability, and security.
Senior Automation Tester - Flutter, Agentic AI & API Systems
Senior Automation Tester - Flutter, Agentic AI & API Systems
DeliveryApp
Manchester, Greater Manchester
Competitive
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design.
Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design.
Senior Software Engineer - Search Experience
Senior Software Engineer - Search Experience
On The Beach Ltd
Manchester, Greater Manchester
Competitive
Were On the Beach! Since 2003, we've been rewriting the rules of how people discover, book, and experience their perfect getaway. What started as connecting people to short-haul beach holidays has evolved into something much bigger - premium beach destinations, long-haul adventures, and vibrant city breaks and thats just the beginning of our story. We send around two million holidaymakers on their dream breaks every year. And we're still growing. Powered by our deep-rooted entrepreneurial spirit, proprietary tech, curiosity and our incredible people, were accelerating - delivering best in class technology, the ultimate holiday app, and experiences that keep our customers coming back for more. Ready to build the future of travel with us? About the Role - As a Senior Software Engineer in Search Experience Engineering, you will build modern full stack applications and customer ...
Were On the Beach! Since 2003, we've been rewriting the rules of how people discover, book, and experience their perfect getaway. What started as connecting people to short-haul beach holidays has evolved into something much bigger - premium beach destinations, long-haul adventures, and vibrant city breaks and thats just the beginning of our story. We send around two million holidaymakers on their dream breaks every year. And we're still growing. Powered by our deep-rooted entrepreneurial spirit, proprietary tech, curiosity and our incredible people, were accelerating - delivering best in class technology, the ultimate holiday app, and experiences that keep our customers coming back for more. Ready to build the future of travel with us? About the Role - As a Senior Software Engineer in Search Experience Engineering, you will build modern full stack applications and customer ...
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
Senior Software Development Engineer - Shared Platforms
Senior Software Development Engineer - Shared Platforms
Capital One (Europe) plc
Nottingham, Nottinghamshire
Competitive
Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
Work in a cross-functional engineering team to design, enable and develop software features that support the UK API Gateway * Bonus: experience with procedural languages (e.g. Lua/Go) and/or writing API plugins
Extensive experience in Java, Experience with AWS cloud platform, particularly serverless architecture (Lambda, API Gateway), containerisation (ECS, ECR) and CDK.
Extensive experience in Java, Experience with AWS cloud platform, particularly serverless architecture (Lambda, API Gateway), containerisation (ECS, ECR) and CDK.
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)
Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)