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        1 Contract API job in City of London + 20 miles

        Copilot Engineer/Specialist

        cer Financial
        EC2M, City of London
        £705 per day
        Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). * Expertise in Microsoft Graph API, Microsoft 365 compliance and security, and identity management.
        Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). * Expertise in Microsoft Graph API, Microsoft 365 compliance and security, and identity management.
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        FEATURED

        2 exact matches jobs are outside your preferred location

        Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
        Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
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        Engineering manager

        The Bridge (IT Recruitment) Limited
        London
        £0 per year + None
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
        We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
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        We are looking for a Senior Engineer to join our Cloud Development Team. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. * Work with our Datacentre Operations Engineers to maintain the fleet of AI systems at peak performance in our private clouds. About Graphcore - Graphcore is one of the worlds leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the worlds most transformative technologies.
        We are looking for a Senior Engineer to join our Cloud Development Team. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. * Work with our Datacentre Operations Engineers to maintain the fleet of AI systems at peak performance in our private clouds. About Graphcore - Graphcore is one of the worlds leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the worlds most transformative technologies.
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        NEW

        Lead Engineer - Global investment bank

        McGregor Boyall Associates Limited
        London
        £150000 - £180000 per annum + bonus, pension, healthcare
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
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        Position: AI Engineer / AI Agent / Backend AI Engineer We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. * Work on cutting-edge AI innovation - Location: Remote - Work Type: Contract - You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encour
        Position: AI Engineer / AI Agent / Backend AI Engineer We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. * Work on cutting-edge AI innovation - Location: Remote - Work Type: Contract - You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encour
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        NEWFEATURED
        Network Infrastructure Automation Engineer X3 with strong skills in network automation and ideally expereince of migrating networks from Cisco to Aruba, is needed to support our higher education client drive forward the automation of their network automation, which is the largest across the UK higher education sector. * Network infrastructure automation using DevOps practices. * Strong hands-on experience with: Terraform, Ansible, or similar IaC tools CI/CD tools (e.g., Jenkins, GitLab CI, Azure DevOps) AND Cloud platforms (AWS, Azure, or GCP) The scope will be to design, implement and test the automation of Network Infrastructure development which enables a scalable, secure, automated and resilient network service across our clients network estate. * Technical lead of infrastructure-as-code (IaC), automation, deployment, configuration, management and scaling.
        Network Infrastructure Automation Engineer X3 with strong skills in network automation and ideally expereince of migrating networks from Cisco to Aruba, is needed to support our higher education client drive forward the automation of their network automation, which is the largest across the UK higher education sector. * Network infrastructure automation using DevOps practices. * Strong hands-on experience with: Terraform, Ansible, or similar IaC tools CI/CD tools (e.g., Jenkins, GitLab CI, Azure DevOps) AND Cloud platforms (AWS, Azure, or GCP) The scope will be to design, implement and test the automation of Network Infrastructure development which enables a scalable, secure, automated and resilient network service across our clients network estate. * Technical lead of infrastructure-as-code (IaC), automation, deployment, configuration, management and scaling.
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        This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture * Produce and maintain clear documentation of integration flows * Strong experience with RESTful API integrations * Proven understanding of integration ETL/ELT concepts - Contra
        This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture * Produce and maintain clear documentation of integration flows * Strong experience with RESTful API integrations * Proven understanding of integration ETL/ELT concepts - Contra
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        NEW

        Engineering Lead

        McGregor Boyall Associates Limited
        SW1, South West London
        £90000.00 - £110000.00 per annum
        As Engineering Lead, you'll be at the forefront of their greenfield product development efforts, leading a cross-functional distributed engineering team. This high growth marketing agency is entering an exciting new phase of growth, driven by a product-led vision that will transform their business, and need an Engineering Lead with a polyglot mindset to play a key role in making it happen. * Lead, manage and mentor a high-performing engineering team, fostering a culture of ownership and continuous improvement. * Champion modern engineering practices, including CI/CD, automated testing, and DevOps. * Proven experience leading distributed engineering teams and delivering complex software projects. £90-110k - Location: 3-4 days per week in the office in
        As Engineering Lead, you'll be at the forefront of their greenfield product development efforts, leading a cross-functional distributed engineering team. This high growth marketing agency is entering an exciting new phase of growth, driven by a product-led vision that will transform their business, and need an Engineering Lead with a polyglot mindset to play a key role in making it happen. * Lead, manage and mentor a high-performing engineering team, fostering a culture of ownership and continuous improvement. * Champion modern engineering practices, including CI/CD, automated testing, and DevOps. * Proven experience leading distributed engineering teams and delivering complex software projects. £90-110k - Location: 3-4 days per week in the office in
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        We're looking for a Cloud Quality Engineer who brings both hands-on automation experience and a deep curiosity for cloud technologies. You'll work closely with engineering teams to define, build, and maintain the tools and systems needed to ensure quality across the SDLC — from test environments to release pipelines. * Build and manage scalable, automated test environments for cloud-native applications. £63k - Package includes, 10% lifestyle allowance, 10% Pension, 30 days holiday, 12-14% Bonus - Hybrid - Once a month in London * Develop tools and utilities to improve test coverage, execution, and reliability. * Design and implement automated test suites using Selenium, Appium, and Python. * Collaborate with DevOps and Engineering teams to integrate testing into CI/CD pipelines. o AWS
        We're looking for a Cloud Quality Engineer who brings both hands-on automation experience and a deep curiosity for cloud technologies. You'll work closely with engineering teams to define, build, and maintain the tools and systems needed to ensure quality across the SDLC — from test environments to release pipelines. * Build and manage scalable, automated test environments for cloud-native applications. £63k - Package includes, 10% lifestyle allowance, 10% Pension, 30 days holiday, 12-14% Bonus - Hybrid - Once a month in London * Develop tools and utilities to improve test coverage, execution, and reliability. * Design and implement automated test suites using Selenium, Appium, and Python. * Collaborate with DevOps and Engineering teams to integrate testing into CI/CD pipelines. o AWS
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        This is a fantastic opportunity to work as an Engineering Manager, on a long term contract, outside IR35, with 2 days per week in Mayfair, London. If you do have the relevant experience for this Engineering Manager position, please do apply. * Leadership experience * PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Enterprise applications * Languages - Java 17+ (Java 21 preferred) * Frameworks - Micronaut (preferred), Spring Boot
        This is a fantastic opportunity to work as an Engineering Manager, on a long term contract, outside IR35, with 2 days per week in Mayfair, London. If you do have the relevant experience for this Engineering Manager position, please do apply. * Leadership experience * PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Enterprise applications * Languages - Java 17+ (Java 21 preferred) * Frameworks - Micronaut (preferred), Spring Boot
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        We need an engineer to join our Platform Quality Assurance group. * Organising and maintaining a repository of results & collaboration with the QA team. About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary
        We need an engineer to join our Platform Quality Assurance group. * Organising and maintaining a repository of results & collaboration with the QA team. About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary
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        Espire Infolabs is hiring for Senior .Net Developer for London, UK location. Role : Dot Net Developer/Lead - Location: London, UK(3 Days/week onsite) Desired Industry Experience: 7+ years - Relevant Experience: .Net Core, Azure functions, Azure Functions, Microservice Architecture. Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices - Strong experience of Azure services, including but not limited to Azure App Service, Azure Functions, Azure SQL Database, and Azure DevOps. Experience with containerization technologies (e.g., Docker) and orchestration (e.g., Kubernetes) is a plus. Familiarity with cloud security best practices and compliance requirements. Knowledge of database systems, MS SQL, and NoSQL databases. Experience with version cont
        Espire Infolabs is hiring for Senior .Net Developer for London, UK location. Role : Dot Net Developer/Lead - Location: London, UK(3 Days/week onsite) Desired Industry Experience: 7+ years - Relevant Experience: .Net Core, Azure functions, Azure Functions, Microservice Architecture. Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices - Strong experience of Azure services, including but not limited to Azure App Service, Azure Functions, Azure SQL Database, and Azure DevOps. Experience with containerization technologies (e.g., Docker) and orchestration (e.g., Kubernetes) is a plus. Familiarity with cloud security best practices and compliance requirements. Knowledge of database systems, MS SQL, and NoSQL databases. Experience with version cont
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        NEWFEATURED
        La Fosse are currently partnered with a customer who are looking to hire an experienced Lead EUC Engineer / Specialist into their team, on an initial 6 month contract. This role is outside IR35, paying £450-550 per day and based out of their London office. Ideally they're looking for 1 day a week on-site, but can be a bit more flexible if needed. • Hands-on technical • O365 suite • Intune & JAMF MDM • Nexthink DEX & Automation • Defender Suite (Endpoint, 365, Identity, Cloud Apps) • Entra Suite (Identity Mgmt.) • ITIL practices & IT Service Management • Experience in multi-domain organisations • Experience with hybrid environments (cloud and domain joined) • Out-of-the-box thinker in simplifying solutions due to technical debt • Experience working in a hybrid team environment, preferably TCS • Understanding of GenAI (Copilot)
        La Fosse are currently partnered with a customer who are looking to hire an experienced Lead EUC Engineer / Specialist into their team, on an initial 6 month contract. This role is outside IR35, paying £450-550 per day and based out of their London office. Ideally they're looking for 1 day a week on-site, but can be a bit more flexible if needed. • Hands-on technical • O365 suite • Intune & JAMF MDM • Nexthink DEX & Automation • Defender Suite (Endpoint, 365, Identity, Cloud Apps) • Entra Suite (Identity Mgmt.) • ITIL practices & IT Service Management • Experience in multi-domain organisations • Experience with hybrid environments (cloud and domain joined) • Out-of-the-box thinker in simplifying solutions due to technical debt • Experience working in a hybrid team environment, preferably TCS • Understanding of GenAI (Copilot)
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        What is the average salary for API in City of London?

        Average salary per year
        £82,499

        The average salary for a API in City of London is £82,499. API in City of London salaries range from £64,999 to £92,499.

        Frequently Asked Questions

        How many contract API jobs are there in City of London?
        There are 1 contract API jobs within 20 miles of City of London available on JustEngineers right now.

        What other similar jobs are there to contract API jobs in City of London?
        As well as contract API jobs in City of London, you can find contract Engineering, Air, Management, amongst many others.