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36 API jobs in Buckinghamshire + 20 miles
281 exact matches jobs are outside your preferred location
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Loan IQ Technical Consultant - inside IR35
Loan IQ Technical Consultant - inside IR35
LA International Computer Consultants Ltd
London
£800 - £850 per day
oKnowledge of event management frameworks and API integrations.
oKnowledge of event management frameworks and API integrations.
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Software Developer-MS-Stack
Software Developer-MS-Stack
Solus Accident Repair Centres
North London, London
GBP £35,000.00/Yr. - GBP £50,000.00/Yr.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
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Software Developer (Microsoft Stack)
Software Developer (Microsoft Stack)
Solus Accident Repair Centres
North London, London
GBP £35,000.00/Yr. - GBP £50,000.00/Yr.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
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Technical Agile Business Analyst/ Product Engineer
Technical Agile Business Analyst/ Product Engineer
Hays
London, EC3A 4BF
£50000.0 - £60000.0 per annum + 50000-60000
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
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Global Claims IT Leader
Global Claims IT Leader
MARSH CORPORATE SERVICES LIMITED
The City, EC3R 5BU
Pension Scheme, Private Health Insurance & life insurance
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
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Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
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Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
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Senior Digital Developer (Vue/React, .Net Core, Azure)
Senior Digital Developer (Vue/React, .Net Core, Azure)
Stott & May Professional Search Limited
London
£70000 - £80000 per annum + Benefits
Strong experience in API design and development, including RESTful APIs and OpenAPI/Swagger standards, using tools like Postman for testing and documentation.
Strong experience in API design and development, including RESTful APIs and OpenAPI/Swagger standards, using tools like Postman for testing and documentation.
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REST/SOAP API Integration: Building and consuming APIs for third-party integrations.
REST/SOAP API Integration: Building and consuming APIs for third-party integrations.
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API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
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My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
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We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
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Solution Architect - Hybrid (Travel to Warwick 1-2 days per month) £700 Outside - 6 months - We are seeking a skilled Solution Architect to join our team. In this role, you will be responsible for creating comprehensive business cases to identify and select the most suitable SaaS applications, either from existing market options or through in-house development. Your expertise will be crucial in gathering and analysing requirements, designing architectural solutions, evaluating proposals through Request for Proposals (RFP), and ensuring that Non-Functional Requirements (NFR) are met. You will address security and IT controls while creating architectural artefacts, leading the technical aspects of SaaS deployment across multiple domains, and integrating Identity Provider (IdP) Single Sign-On (SSO) solutions.
Solution Architect - Hybrid (Travel to Warwick 1-2 days per month) £700 Outside - 6 months - We are seeking a skilled Solution Architect to join our team. In this role, you will be responsible for creating comprehensive business cases to identify and select the most suitable SaaS applications, either from existing market options or through in-house development. Your expertise will be crucial in gathering and analysing requirements, designing architectural solutions, evaluating proposals through Request for Proposals (RFP), and ensuring that Non-Functional Requirements (NFR) are met. You will address security and IT controls while creating architectural artefacts, leading the technical aspects of SaaS deployment across multiple domains, and integrating Identity Provider (IdP) Single Sign-On (SSO) solutions.
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Rate - £500 per day Inside IR35 - Duration - 1 month initial - Location - Remote with occasional visits into London - We are looking for an experienced Siebel Developer to join our client's technology team and play a pivotal role in the design, development and migration of Siebel CRM solutions. You will be responsible for enhancing existing systems, delivering robust integrations with external applications and supporting large-scale migration projects as part of digital transformation initiatives. * Design, configure and develop Siebel CRM applications to meet evolving business requirements. * Support migration projects, including data migration, environment upgrades and platform transitions. * Deliver robust integrations between Siebel and third-party systems using Siebel EAI, web services, APIs and middleware.
Rate - £500 per day Inside IR35 - Duration - 1 month initial - Location - Remote with occasional visits into London - We are looking for an experienced Siebel Developer to join our client's technology team and play a pivotal role in the design, development and migration of Siebel CRM solutions. You will be responsible for enhancing existing systems, delivering robust integrations with external applications and supporting large-scale migration projects as part of digital transformation initiatives. * Design, configure and develop Siebel CRM applications to meet evolving business requirements. * Support migration projects, including data migration, environment upgrades and platform transitions. * Deliver robust integrations between Siebel and third-party systems using Siebel EAI, web services, APIs and middleware.
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My client, a leading digital consultancy are currently looking for a highly skilled and experienced Java Tech Lead to join their engineering team. You will be responsible for leading a team of engineers, providing technical guidance, and ensuring successful delivery of scalable, high-performance solutions using Java, Microservices, GCP, and Kubernetes. This is a hands-on leadership role that combines deep technical expertise with team mentorship and delivery ownership. o Lead a team of backend engineers, providing technical direction and mentoring - o Drive best practices in coding, architecture, design patterns, and DevOps - o Conduct code reviews, provide constructive feedback, and ensure code quality and maintainability - o Collaborate with architects, product managers, and other stakeholders to define technical solutions aligned with business goals o Own the end-t
My client, a leading digital consultancy are currently looking for a highly skilled and experienced Java Tech Lead to join their engineering team. You will be responsible for leading a team of engineers, providing technical guidance, and ensuring successful delivery of scalable, high-performance solutions using Java, Microservices, GCP, and Kubernetes. This is a hands-on leadership role that combines deep technical expertise with team mentorship and delivery ownership. o Lead a team of backend engineers, providing technical direction and mentoring - o Drive best practices in coding, architecture, design patterns, and DevOps - o Conduct code reviews, provide constructive feedback, and ensure code quality and maintainability - o Collaborate with architects, product managers, and other stakeholders to define technical solutions aligned with business goals o Own the end-t
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At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for a Junior Test Automation Engineer. to be based at Gaydon - Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions. We are seeking a skilled Test Automation Engineer to oversee and drive developm
At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for a Junior Test Automation Engineer. to be based at Gaydon - Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions. We are seeking a skilled Test Automation Engineer to oversee and drive developm
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Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a classified, com
Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a classified, com
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Level: Mid-Senior/Senior; Remuneration dependent upon experience - All applications should include a covering letter; references should also be available on request. Who We Are - Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services. As we expand and develop, we want to find new team members who are not only skilled in their field - but also passionate abou
Level: Mid-Senior/Senior; Remuneration dependent upon experience - All applications should include a covering letter; references should also be available on request. Who We Are - Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services. As we expand and develop, we want to find new team members who are not only skilled in their field - but also passionate abou
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Cambridge/ Hybrid 2x per week onsite| ?? £60,000£75,000| ?? SC or DV Clearance Required - Were working with a specialist technology consultancy delivering cutting-edge solutions into the UKs most secure government environments. Due to continued growth, theyre looking for a talented Data Engineer to join their secure data team and help solve complex, high-impact challenges. The role - Youll design and develop secure data pipelines and platforms, working on projects that process sensitive, mission-critical information. This is an opportunity to apply your technical skills in an environment where your work has a direct impact on national security. * Build and optimise scalable data pipelines, sourcing from APIs and external datasets, and merging them with other data sources to create unified models * Produce geospatial datasets for integration with visualisation tools, h
Cambridge/ Hybrid 2x per week onsite| ?? £60,000£75,000| ?? SC or DV Clearance Required - Were working with a specialist technology consultancy delivering cutting-edge solutions into the UKs most secure government environments. Due to continued growth, theyre looking for a talented Data Engineer to join their secure data team and help solve complex, high-impact challenges. The role - Youll design and develop secure data pipelines and platforms, working on projects that process sensitive, mission-critical information. This is an opportunity to apply your technical skills in an environment where your work has a direct impact on national security. * Build and optimise scalable data pipelines, sourcing from APIs and external datasets, and merging them with other data sources to create unified models * Produce geospatial datasets for integration with visualisation tools, h
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Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months - Security Clearance: NPPV2 / NPPV3 - We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks. * Mentor and support less experienced test en
Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months - Security Clearance: NPPV2 / NPPV3 - We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks. * Mentor and support less experienced test en
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Lead Engineer
Lead Engineer
GH Engage Limited
The City, EC3
£55000 - £57500 per annum + 9% Pension, Medical, 25 days annual leave
Maintenance | Fit Outs | Permits to Work £55,000/annum + bonus | Exceptional client-side benefits | Client Side - 13 Month Fixed-Term-Contract - GH Engage are currently seeking an experienced Lead Engineer with a background in electrical / mechanical engineering maintenance for a role in the City of London. As a Lead Engineer, you will support the maintenance team and Fit-Out Supervisor in managing tenant and landlord fit-out projects, as well as performing maintenance, diagnostics, and fault finding on HVAC and electrical plant. * You will work closely with tenants, contractors, and consultants to monitor maintenance works on landlord plant and equipment, including electrical, mechanical, water treatment, and HVAC systems. * Review contractor and tenant risk assessments and method statements, monitor permits to work, and control access to plant areas.
Maintenance | Fit Outs | Permits to Work £55,000/annum + bonus | Exceptional client-side benefits | Client Side - 13 Month Fixed-Term-Contract - GH Engage are currently seeking an experienced Lead Engineer with a background in electrical / mechanical engineering maintenance for a role in the City of London. As a Lead Engineer, you will support the maintenance team and Fit-Out Supervisor in managing tenant and landlord fit-out projects, as well as performing maintenance, diagnostics, and fault finding on HVAC and electrical plant. * You will work closely with tenants, contractors, and consultants to monitor maintenance works on landlord plant and equipment, including electrical, mechanical, water treatment, and HVAC systems. * Review contractor and tenant risk assessments and method statements, monitor permits to work, and control access to plant areas.
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PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP - We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite. This is not a 'start from scratch' build - instead, you'll be reviewing what's already in place, identifying improvements, and implementing changes to drive
PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP - We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite. This is not a 'start from scratch' build - instead, you'll be reviewing what's already in place, identifying improvements, and implementing changes to drive
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Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
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Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £35,000 - £45,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £35,000 - £45,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
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