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12 Contract API jobs in Bagby Fields + 20 miles
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Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).
Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).
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Contract: 12 months - Inside IR35 - Location: Hybrid - Leeds / Newcastle / Birmingham (Approx. 60% onsite; must be commutable within ~90 minutes) Role Purpose - We are seeking a Senior Technical Business Analyst with recent, hands-on experience work-ing directly with software development teams to help shape and deliver shared technical capa-bilities and enablers across DWP Digital. This is a highly technical BA role. You will operate at SFIA Level 5 (Ensure & Advise), working alongside engineers, architects, DevOps and platform teams to turn loosely defined technical epics into delivery ready user stories. This is not a task taking role. The successful candidate will bring structure to ambiguity, challenge constructively, and actively shape technical solutions. Essential Skills & Experience - Candidates must clearly evidence the following. Applications that do not will not progress. 1.
Contract: 12 months - Inside IR35 - Location: Hybrid - Leeds / Newcastle / Birmingham (Approx. 60% onsite; must be commutable within ~90 minutes) Role Purpose - We are seeking a Senior Technical Business Analyst with recent, hands-on experience work-ing directly with software development teams to help shape and deliver shared technical capa-bilities and enablers across DWP Digital. This is a highly technical BA role. You will operate at SFIA Level 5 (Ensure & Advise), working alongside engineers, architects, DevOps and platform teams to turn loosely defined technical epics into delivery ready user stories. This is not a task taking role. The successful candidate will bring structure to ambiguity, challenge constructively, and actively shape technical solutions. Essential Skills & Experience - Candidates must clearly evidence the following. Applications that do not will not progress. 1.
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Location: Leeds (Hybrid 3 days onsite) Contract: 3 Months (Immediate Start) Rate: Competitive (Market Rates) The Opportunity - We are working with a leading global technology consultancy to recruit an AI Product Developer for a high-impact engagement within the financial services sector. This is an excellent opportunity to work on cutting-edge AI solutions, designing and delivering Copilot and LLM-powered products within a rapidly evolving AI Foundry environment. You will play a key role in shaping scalable, secure, and enterprise-grade AI capabilities. What Youll Be Doing - Designing and building Copilot solutions, intelligent agents, and LLM workflows - Developing scalable AI components including RAG pipelines, embeddings, and vector search - Integrating AI solutions into enterprise systems, APIs, and cloud platforms
Location: Leeds (Hybrid 3 days onsite) Contract: 3 Months (Immediate Start) Rate: Competitive (Market Rates) The Opportunity - We are working with a leading global technology consultancy to recruit an AI Product Developer for a high-impact engagement within the financial services sector. This is an excellent opportunity to work on cutting-edge AI solutions, designing and delivering Copilot and LLM-powered products within a rapidly evolving AI Foundry environment. You will play a key role in shaping scalable, secure, and enterprise-grade AI capabilities. What Youll Be Doing - Designing and building Copilot solutions, intelligent agents, and LLM workflows - Developing scalable AI components including RAG pipelines, embeddings, and vector search - Integrating AI solutions into enterprise systems, APIs, and cloud platforms
FEATURED
This role presents an exciting opportunity for a Senior API Developer to play a critical part in the development and support of the Bank of Englands Real Time Gross Settlement (RTGS) service a piece of UK critical national infrastructure that settles on average £800bn per day. You are a dedicated API engineer within an Agile environment and meet the minimum criteria. * Demonstrable hands-on experience on API Gateway at an enterprise scale (e.g., Apigee) * Proficient in API documentation tools (e.g., Swagger/Open API) * Experience with Performance tuning, including optimising API latency and fine-tuning Spring Boot performance (JVM tuning, connection pooling)
This role presents an exciting opportunity for a Senior API Developer to play a critical part in the development and support of the Bank of Englands Real Time Gross Settlement (RTGS) service a piece of UK critical national infrastructure that settles on average £800bn per day. You are a dedicated API engineer within an Agile environment and meet the minimum criteria. * Demonstrable hands-on experience on API Gateway at an enterprise scale (e.g., Apigee) * Proficient in API documentation tools (e.g., Swagger/Open API) * Experience with Performance tuning, including optimising API latency and fine-tuning Spring Boot performance (JVM tuning, connection pooling)
Good knowledge of identity and security protocols such as SAML, OAuth2, OpenID Connect, LDAP, SCIM, Kerberos, and API-based integrations
Good knowledge of identity and security protocols such as SAML, OAuth2, OpenID Connect, LDAP, SCIM, Kerberos, and API-based integrations
Application Platform Lead in RTGS Technology
Application Platform Lead in RTGS Technology
Bank of England
Leeds, West Yorkshire
£64,480 - £72,540 a year
Role overview - The Real Time Gross Settlement (RTGS) service sits at the centre of the UKs financial system, settling on average £800bn per day and operating as UK Critical National Infrastructure. This role provides an opportunity to lead application engineering for a service where reliability, resilience and engineering quality genuinely matter. RTGS operates within a highly secure environment and follows a product centric operating model, combining strong operational accountability with an automation first approach to testing, deployment and live service operations. Continuous improvement and the reduction of obsolescence are core to how the service is designed, delivered and evolved. As an Application Platform Lead , you will lead engineering across application product teams within RTGS. You will develop technical leaders, establish clear standards for engineering ...
Role overview - The Real Time Gross Settlement (RTGS) service sits at the centre of the UKs financial system, settling on average £800bn per day and operating as UK Critical National Infrastructure. This role provides an opportunity to lead application engineering for a service where reliability, resilience and engineering quality genuinely matter. RTGS operates within a highly secure environment and follows a product centric operating model, combining strong operational accountability with an automation first approach to testing, deployment and live service operations. Continuous improvement and the reduction of obsolescence are core to how the service is designed, delivered and evolved. As an Application Platform Lead , you will lead engineering across application product teams within RTGS. You will develop technical leaders, establish clear standards for engineering ...
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.
Associate Software Engineer - Fixed Term Contract
Associate Software Engineer - Fixed Term Contract
Flutter Entertainment plc
Leeds, West Yorkshire
Competitive
Your tribe - Were looking for an Associate Software Engineer to join our team on a 12-month fixed-term contract. The Sports Super Tribe is comprised of 5 self-sufficient tribes, encompassing over 60 squads of Engineers, QA, and associated roles across Porto, Dublin and Leeds. Together, we are dedicated to delivering fast, distinctive, dynamic, and trusted sports betting experiences, each tribe driven by a clear vision to develop best-in-class customer experiences. As part of this role, youll be working with the Reward and Free to Play tribe, aiming to deliver fast, innovative, and trusted experiences that enhance player enjoyment, provide valuable rewards, and engage our customers by elevating the sport - Your team - Youll join a supportive team that understands the Play and Reward technology and is focused on delivering high-quality products that create engaging customer ...
Your tribe - Were looking for an Associate Software Engineer to join our team on a 12-month fixed-term contract. The Sports Super Tribe is comprised of 5 self-sufficient tribes, encompassing over 60 squads of Engineers, QA, and associated roles across Porto, Dublin and Leeds. Together, we are dedicated to delivering fast, distinctive, dynamic, and trusted sports betting experiences, each tribe driven by a clear vision to develop best-in-class customer experiences. As part of this role, youll be working with the Reward and Free to Play tribe, aiming to deliver fast, innovative, and trusted experiences that enhance player enjoyment, provide valuable rewards, and engage our customers by elevating the sport - Your team - Youll join a supportive team that understands the Play and Reward technology and is focused on delivering high-quality products that create engaging customer ...
Proven expertise in Web and RESTful API development
Proven expertise in Web and RESTful API development
AI Test Lead (AI Foundry) - 3 Days Work from Office - Leeds or Bradford
AI Test Lead (AI Foundry) - 3 Days Work from Office - Leeds or Bradford
WNS Global Services Ltd
Leeds, West Yorkshire
Competitive
Experience with designing and leading testing for complex digital or data-driven systems, including multi-component architectures, API-integrated platforms, event-driven workflows and systems operating under regulatory or high-assurance constraints.
Experience with designing and leading testing for complex digital or data-driven systems, including multi-component architectures, API-integrated platforms, event-driven workflows and systems operating under regulatory or high-assurance constraints.
Experience with API testing automation using Postman, Bruno, and REST Assured
Experience with API testing automation using Postman, Bruno, and REST Assured
As-a-Service: Develop and promote modular, API-driven patterns and approaches for services that promote re-use and ease of adoption.
As-a-Service: Develop and promote modular, API-driven patterns and approaches for services that promote re-use and ease of adoption.
72 exact matches jobs are outside your preferred location
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Contract Java Software Engineer Outside IR35 Fully Remote
Contract Java Software Engineer Outside IR35 Fully Remote
Interact Consulting Limited
Manchester (M16)
500-550pd
The focus will be on Java-based microservices, API integrations, and Azure cloud infrastructure, ensuring a robust and scalable system that supports critical healthcare operations. * Proven background in API and platform integration
The focus will be on Java-based microservices, API integrations, and Azure cloud infrastructure, ensuring a robust and scalable system that supports critical healthcare operations. * Proven background in API and platform integration
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Java Software Developer (Inside IR35) - Contract
Java Software Developer (Inside IR35) - Contract
Stealth IT Consulting Limited
Manchester (M1)
Up to £476 per day Up to £476 per day
Contribute to API development, integration, and backend service build.
Contribute to API development, integration, and backend service build.
FEATURED
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Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Manchester (M1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
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We are looking for a proactive and collaborative Business Analyst to join the DevX Standards and Controls product team. The ideal candidate will be a self-starter who can work closely with business stakeholders, developers, and product owners to understand problems, define solutions, and support the delivery of high-quality systems and applications. Key Responsibilities * Engage with stakeholders to understand customer needs and business challenges. * Work with developers and technical leads to define and deliver effective solutions. * Translate business ideas into clear functional requirements, user stories, and acceptance criteria. * Document system processes, business workflows, and functional specifications. * Create process flows, flowcharts, and data flow diagrams to support solution design. * Support testing activities by defining and validating requirements.
We are looking for a proactive and collaborative Business Analyst to join the DevX Standards and Controls product team. The ideal candidate will be a self-starter who can work closely with business stakeholders, developers, and product owners to understand problems, define solutions, and support the delivery of high-quality systems and applications. Key Responsibilities * Engage with stakeholders to understand customer needs and business challenges. * Work with developers and technical leads to define and deliver effective solutions. * Translate business ideas into clear functional requirements, user stories, and acceptance criteria. * Document system processes, business workflows, and functional specifications. * Create process flows, flowcharts, and data flow diagrams to support solution design. * Support testing activities by defining and validating requirements.
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Our client is looking for a talented Data Engineer to help design, build and maintain reliable, scalable data pipelines that power analytics, reporting and operational insights. * Design and maintain robust data pipelines integrating data from operational systems, APIs and third-party platforms * Build batch and near-real-time ingestion processes with strong monitoring, logging and error handling * Develop and maintain data models to support reporting and analytics * Manage workflow orchestration and scheduling (e.g. Airflow or similar) * Support CI/CD, version control and deployments across dev, test and production environments * Implement data quality checks, governance and documentation * Collaborate with analysts, architects and technology teams to deliver end-to-end data solutions * Strong experience building data pipelines in modern data platforms
Our client is looking for a talented Data Engineer to help design, build and maintain reliable, scalable data pipelines that power analytics, reporting and operational insights. * Design and maintain robust data pipelines integrating data from operational systems, APIs and third-party platforms * Build batch and near-real-time ingestion processes with strong monitoring, logging and error handling * Develop and maintain data models to support reporting and analytics * Manage workflow orchestration and scheduling (e.g. Airflow or similar) * Support CI/CD, version control and deployments across dev, test and production environments * Implement data quality checks, governance and documentation * Collaborate with analysts, architects and technology teams to deliver end-to-end data solutions * Strong experience building data pipelines in modern data platforms
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.
Full-Stack Engineer Opportunities
Full-Stack Engineer Opportunities
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
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 Associate, AI/ML Engineer - AI Hub
Senior Associate, AI/ML Engineer - AI Hub
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Senior Associate, AI/ML Engineer AI Hub to join our AI Hub team. This role is located in Manchester.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Senior Associate, AI/ML Engineer AI Hub to join our AI Hub team. This role is located in Manchester.
Lead II - Software Engineering - Senior React Native Developer - Remote
Lead II - Software Engineering - Senior React Native Developer - Remote
UST Global
Nottingham, Nottinghamshire
Competitive
react native,javascript,rest api,mobile app development,
react native,javascript,rest api,mobile app development,
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
Software Development Engineer in Test (SDET)
Software Development Engineer in Test (SDET)
Commify
Nottingham, Nottinghamshire
£50,000 - £55,000 a year
Test internal APIs for ETL of customer data into CPaaS and develop automated tests for new public API implementations matching existing contracts. * Experience in DevOps teams, cloud testing (VSTS, Azure, AWS), transactional messaging, API and ETL testing.
Test internal APIs for ETL of customer data into CPaaS and develop automated tests for new public API implementations matching existing contracts. * Experience in DevOps teams, cloud testing (VSTS, Azure, AWS), transactional messaging, API and ETL testing.
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Strong database and API development experience
Strong database and API development experience