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51 Permanent API jobs in Hertfordshire + 20 miles
114 exact matches jobs are outside your preferred location
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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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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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Role/Job Title: Lead DataSphere Consultant - Work Location: Canada Square, London / Watford, London (Hybrid 3days) The Role - We are seeking an experienced and strategic SAP Professional to lead the design, implementation, and optimization of solutions using SAP Datasphere. This role will be responsible for managing and implementing cloud data integration, analytics strategy, and ensuring business insights are delivered effectively across the organization. The candidate should have a fair knowledge of SAP S4/HANA Professional Services processes. This position reports to a TCS Engagement Manager, working in strong collaboration with all other client stakeholders, especially with the Product Owners, Data CoE, and other Architects. As such, the role provides broad exposure to business stakeholders and requires strong business process knowledge on Professional Services.
Role/Job Title: Lead DataSphere Consultant - Work Location: Canada Square, London / Watford, London (Hybrid 3days) The Role - We are seeking an experienced and strategic SAP Professional to lead the design, implementation, and optimization of solutions using SAP Datasphere. This role will be responsible for managing and implementing cloud data integration, analytics strategy, and ensuring business insights are delivered effectively across the organization. The candidate should have a fair knowledge of SAP S4/HANA Professional Services processes. This position reports to a TCS Engagement Manager, working in strong collaboration with all other client stakeholders, especially with the Product Owners, Data CoE, and other Architects. As such, the role provides broad exposure to business stakeholders and requires strong business process knowledge on Professional Services.
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Claims Business Analyst - Location: Guildford (Hybrid – 1 day per week/Month in the office) Contract Type: Permanent - About the Role - We are working with a market-leading insurer currently undergoing a major transformation of its UK Commercial business. They are seeking a Claims Business Analyst to support key initiatives within their Target Operating Model programme. This permanent role offers the opportunity to work across core system modernisation, data-led digital development, and internal/external integrations - aimed at improving the end-to-end journey for customers, intermediaries, and internal users. Requirements * 3+ years experience delivering change across medium to large-scale programmes * Familiarity with claims platforms * Excellent stakeholder engagement and facilitation skills * Proficient in both Agile and Waterfall methodologies * System integratio
Claims Business Analyst - Location: Guildford (Hybrid – 1 day per week/Month in the office) Contract Type: Permanent - About the Role - We are working with a market-leading insurer currently undergoing a major transformation of its UK Commercial business. They are seeking a Claims Business Analyst to support key initiatives within their Target Operating Model programme. This permanent role offers the opportunity to work across core system modernisation, data-led digital development, and internal/external integrations - aimed at improving the end-to-end journey for customers, intermediaries, and internal users. Requirements * 3+ years experience delivering change across medium to large-scale programmes * Familiarity with claims platforms * Excellent stakeholder engagement and facilitation skills * Proficient in both Agile and Waterfall methodologies * System integratio
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Hays Software Engineering are looking for a Senior Filemaker Developer to join a globally recognised entertainment business at a crucial time to assist with pushing the business forward. * Design, test, and deploy solutions within the FileMaker ecosystem * Direct all stages of the software development lifecycle * Collaborate with the accounts team to define enhancement requirements * Manage the ticketing support system and provide regular status updates * Apply advanced programming techniques and implement data separation, integrate APIs (Google, HMRC, banking platforms), optimise relational databases, configure FileMaker Server (FMS), and utilise the Monkey Bread plug-in suite. * Adopt best practices to improve data retrieval speed and efficiency * Maintain thorough documentation and produce clear user manuals for system updates and changes
Hays Software Engineering are looking for a Senior Filemaker Developer to join a globally recognised entertainment business at a crucial time to assist with pushing the business forward. * Design, test, and deploy solutions within the FileMaker ecosystem * Direct all stages of the software development lifecycle * Collaborate with the accounts team to define enhancement requirements * Manage the ticketing support system and provide regular status updates * Apply advanced programming techniques and implement data separation, integrate APIs (Google, HMRC, banking platforms), optimise relational databases, configure FileMaker Server (FMS), and utilise the Monkey Bread plug-in suite. * Adopt best practices to improve data retrieval speed and efficiency * Maintain thorough documentation and produce clear user manuals for system updates and changes
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UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
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We're looking for a skilledFull-Stack Developerwho thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend:Node.js, Python, .NET (or equivalent) API development * Proven experience infront-end mapping librariesandbackend API development
We're looking for a skilledFull-Stack Developerwho thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend:Node.js, Python, .NET (or equivalent) API development * Proven experience infront-end mapping librariesandbackend API development
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
GU21, Woking
From £45,000 to £60,000 per annum Salary + Benefits + Bonus
Web API, HTML, CSS, Web Services, JQuery and JavaScript
Web API, HTML, CSS, Web Services, JQuery and JavaScript
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Enterprise Architect
Enterprise Architect
Cambridge University Press & Assessment
Cambridge, Cambridgeshire
From £70,400 to £94,100 per annum
Familiarity with enterprise integration patterns, API management, and microservices.
Familiarity with enterprise integration patterns, API management, and microservices.
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3+ years hands-on experience in developing REST services using Web API
3+ years hands-on experience in developing REST services using Web API
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Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
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Software Engineering Manager (Hands-on .Net, AWS)
Software Engineering Manager (Hands-on .Net, AWS)
Hays
SL6, Maidenhead
£75000 - £85000 per annum + £75000 - £85000
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
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Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
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Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
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DevOps Engineer
DevOps Engineer
Cambridge University Press & Assessment
Cambridge, Cambridgeshire
From £36,800 to £47,900 per annum
We are recruiting for a DevOps Engineer to join our Assessment API team.
We are recruiting for a DevOps Engineer to join our Assessment API team.
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API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
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AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
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Technology domains within payments: DevOps, API, Analytics, Cloud adoption and Process Automation;
Technology domains within payments: DevOps, API, Analytics, Cloud adoption and Process Automation;
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1. Work with a talented, motivated and friendly group of like-minded colleagues - 2. Learn how to combine innovation and technology to create new business models from a management team led by two former McKinsey partners - 3. Be supported and encouraged to develop your skills and knowledge through structured training and coaching from experienced colleagues - 4. Receive written constructive performance feedback and encouragement every third so that you know how to improve - you have no idea how unusual this is! 5. Be given real responsibility for your own projects as soon as you are ready - 6. Receive a competitive salary and annual performance-based reviews - 7. Be eligible to participate in annual bonus and company share incentive schemes depending on performance and seniority - 8. Our Hybrid Working Policy requires employees to spend two days each week in our Farri
1. Work with a talented, motivated and friendly group of like-minded colleagues - 2. Learn how to combine innovation and technology to create new business models from a management team led by two former McKinsey partners - 3. Be supported and encouraged to develop your skills and knowledge through structured training and coaching from experienced colleagues - 4. Receive written constructive performance feedback and encouragement every third so that you know how to improve - you have no idea how unusual this is! 5. Be given real responsibility for your own projects as soon as you are ready - 6. Receive a competitive salary and annual performance-based reviews - 7. Be eligible to participate in annual bonus and company share incentive schemes depending on performance and seniority - 8. Our Hybrid Working Policy requires employees to spend two days each week in our Farri
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London - 3203149 - 2025-08-18T05:59:39-04:00 - At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest independent consumer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! We are growing our engineering teams at Trustpilot and are looking to invite Fullstack Software Engineers to join our B2B Integrations team! The Integrations team's mission is to empower businesses of all sizes, from sole traders to global enterprises, to seamlessly incorporate Trustpilot into their customer feedback workflows and tools. We aim to provide highly reliable and user-friendly integrations for popular platforms, including Shopify, HubSpot, Salesforce, and Meta (Facebook/Instagram).
London - 3203149 - 2025-08-18T05:59:39-04:00 - At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest independent consumer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! We are growing our engineering teams at Trustpilot and are looking to invite Fullstack Software Engineers to join our B2B Integrations team! The Integrations team's mission is to empower businesses of all sizes, from sole traders to global enterprises, to seamlessly incorporate Trustpilot into their customer feedback workflows and tools. We aim to provide highly reliable and user-friendly integrations for popular platforms, including Shopify, HubSpot, Salesforce, and Meta (Facebook/Instagram).
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Looking for a new challenge? Take a look at our current vacancies. If you see a vacancy that is right for you, we encourage you to apply! Job Title: Specialist Data Engineer - Full-time role - Working Hours: Full-time 35 hours per week - Salary: £64,575 - Location: London Docklands (Hybrid). Our permanent hybrid policy sees us all working at least four days across a fortnight in the office. The Financial Ombudsman Service has been resolving customer complaints since 2001. Our service is free for consumers to use and over 1 million people contact us every year. The last few years have seen the Financial Ombudsman Service embark on an organisation-wide transformation journey. With the customer at the heart of everything we do, we have already delivered significant improvements in the service we offer and 2026 will see us continue with our ambitious transformation agenda
Looking for a new challenge? Take a look at our current vacancies. If you see a vacancy that is right for you, we encourage you to apply! Job Title: Specialist Data Engineer - Full-time role - Working Hours: Full-time 35 hours per week - Salary: £64,575 - Location: London Docklands (Hybrid). Our permanent hybrid policy sees us all working at least four days across a fortnight in the office. The Financial Ombudsman Service has been resolving customer complaints since 2001. Our service is free for consumers to use and over 1 million people contact us every year. The last few years have seen the Financial Ombudsman Service embark on an organisation-wide transformation journey. With the customer at the heart of everything we do, we have already delivered significant improvements in the service we offer and 2026 will see us continue with our ambitious transformation agenda
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Type - Permanent - Full Time - Location - London - Job Role - Project Management Office - Withers - Job title: Legal AI and Innovation Delivery Lead - Reporting to: Global Head of Portfolio Management - Location: London - The Role - Aligned to a continuous drive to innovate, Withers has recently launched a new business strategy which focuses on reviewing and improving how our firm operates across all regions and divisions in order to optimise productivity through the better use of technology, and ultimately to deliver the best service to our clients. This will be achieved through a number of means including examining and optimising technology skills, the processes that our people use, and the technologies which they are using. It will address both the better use of our existing systems, and the purchase and /or development of new tools aligned to business needs.
Type - Permanent - Full Time - Location - London - Job Role - Project Management Office - Withers - Job title: Legal AI and Innovation Delivery Lead - Reporting to: Global Head of Portfolio Management - Location: London - The Role - Aligned to a continuous drive to innovate, Withers has recently launched a new business strategy which focuses on reviewing and improving how our firm operates across all regions and divisions in order to optimise productivity through the better use of technology, and ultimately to deliver the best service to our clients. This will be achieved through a number of means including examining and optimising technology skills, the processes that our people use, and the technologies which they are using. It will address both the better use of our existing systems, and the purchase and /or development of new tools aligned to business needs.
Senior Software Development Engineer in Test - Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.
Senior Software Development Engineer in Test - Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.