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20 Permanent API jobs in Hemel Hempstead + 20 miles
243 exact matches jobs are outside your preferred location
Senior Laravel Full Stack PHP Developer
Senior Laravel Full Stack PHP Developer
Anonymous Recruiter
RH2, Reigate
From £60,000 to £85,000 per annum Based on experience
Experience in API integrations, database optimisation, and server-side security
Experience in API integrations, database optimisation, and server-side security
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AI Solutions Engineer - London
AI Solutions Engineer - London
Transparent Technology
London, EC1A 4RN
£70000 - £140000 per annum + + bens + shares
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
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Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
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Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
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Strong expertise in API integration, data modelling, ingestion, and activation
Strong expertise in API integration, data modelling, ingestion, and activation
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Cloud-savvy - Strong background in AWS, ideally with hands-on experience in serverless technologies like Lambda, API Gateway, DynamoDB, and AppSync.
Cloud-savvy - Strong background in AWS, ideally with hands-on experience in serverless technologies like Lambda, API Gateway, DynamoDB, and AppSync.
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API authentication (OAuth 2.0, Azure AD).
API authentication (OAuth 2.0, Azure AD).
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Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
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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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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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Senior Digital Developer (Vue/React, .Net Core, Azure)
Senior Digital Developer (Vue/React, .Net Core, Azure)
Stott & May
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.
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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Senior Software Developer - PHP / Laravel - This is a really interesting and varied role with a small but very well established company that's been a leader in their niche market for 25+ years. We are looking for an experienced developer to join a team of 4 that mostly develops web-based systems that are customer-facing and essential to the way our client's business runs. The company is in a fast-moving industry that is undergoing plenty of change, so there's no shortage of interesting stuff to do. We're looking for someone who can provide some leadership and mentoring to team members and who can work closely with the senior management team to understand the evolving needs of the business. The company is based near Reading, Berkshire. They operate a hybrid working model and you'll need to be in the office at least one day per week, occasionally more for meetings etc.
Senior Software Developer - PHP / Laravel - This is a really interesting and varied role with a small but very well established company that's been a leader in their niche market for 25+ years. We are looking for an experienced developer to join a team of 4 that mostly develops web-based systems that are customer-facing and essential to the way our client's business runs. The company is in a fast-moving industry that is undergoing plenty of change, so there's no shortage of interesting stuff to do. We're looking for someone who can provide some leadership and mentoring to team members and who can work closely with the senior management team to understand the evolving needs of the business. The company is based near Reading, Berkshire. They operate a hybrid working model and you'll need to be in the office at least one day per week, occasionally more for meetings etc.
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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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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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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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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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Senior Databricks Data Engineer
Senior Databricks Data Engineer
Bibby Financial Services
Adderbury, OX17 3NS
£60,000 - £70,000 per annum
Bibby Financial Services have an exciting opportunity available for a reliable Senior Databricks Data Engineer to join our team. You will join us on a full time, permanent basisand in return, you will receive a competitive salary of £60,000 - £70,000 per annum. As our Senior Databricks Data Engineer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your team maintains a pipeline of delivery against the Backlog; providing vital insight from our wide-ranging dataset to support executive and operational decision making that will underpin sustained growth of BFS business units domestically and internationally. You will have an active leadership role in determining and developing the shape of your teams solution delivery against business requirements, as well as helping to inform and input int
Bibby Financial Services have an exciting opportunity available for a reliable Senior Databricks Data Engineer to join our team. You will join us on a full time, permanent basisand in return, you will receive a competitive salary of £60,000 - £70,000 per annum. As our Senior Databricks Data Engineer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your team maintains a pipeline of delivery against the Backlog; providing vital insight from our wide-ranging dataset to support executive and operational decision making that will underpin sustained growth of BFS business units domestically and internationally. You will have an active leadership role in determining and developing the shape of your teams solution delivery against business requirements, as well as helping to inform and input int
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Join us as a Data Platform Engineer for our client. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be deployed across our portfolio of clients as a specialist consultant, working on a wide array of complex projects across multiple industries. As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on-premises platforms.
Join us as a Data Platform Engineer for our client. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be deployed across our portfolio of clients as a specialist consultant, working on a wide array of complex projects across multiple industries. As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on-premises platforms.
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Android Mobile Engineer - Remote
Android Mobile Engineer - Remote
Halian Technology Limited
RG1, Reading
From £82,000 to £92,000 per annum
Halian Technology are searching for an Android Mobile Engineer to join our clients forward-thinking mobile team. Our client is one of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Lead Android engineering efforts on customer-facing apps used by millions across the UK. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists.
Halian Technology are searching for an Android Mobile Engineer to join our clients forward-thinking mobile team. Our client is one of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Lead Android engineering efforts on customer-facing apps used by millions across the UK. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists.
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