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52 Permanent API jobs in Hertfordshire + 20 miles
131 exact matches jobs are outside your preferred location
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of data architecture, cybersecurity, and API integration.
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
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
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.
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. As a Agile Business Analyst Consultant, you will be joining the growing and exciting Digital Excellence community who are continually sharing knowledge and expertise. We are all passionate about user-centred design, critical thinking, problem solving and designing and building digital services and products. Working at Capgemini Invent would give you opportunities to develop and grow, working with major clients in both p
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. As a Agile Business Analyst Consultant, you will be joining the growing and exciting Digital Excellence community who are continually sharing knowledge and expertise. We are all passionate about user-centred design, critical thinking, problem solving and designing and building digital services and products. Working at Capgemini Invent would give you opportunities to develop and grow, working with major clients in both p
Job summary - As the NHS Workforce solution moves into a transformational new era there is an exciting opportunity to join the national ESR Team, responsible for delivery of the largest HR, Payroll and Learning management solution and service in the World, to support the next exciting chapter in Workforce Services at NHSBSA. The Department of Health and Social Care has commissioned the NHSBSA to lead the Future NHS Workforce Solution Transformation Programme, to identify and deliver the Future NHS Workforce Solution to over 1.8 million NHS colleagues in England and Wales. Future NHS Workforce Solution Transformation Programme | NHSBSA - It is anticipated that the new supplier will be chosen by Autumn 2025, beginning a significant transitional period as they take on responsibility for running the existing service, whilst configuring the Future Workforce Solution in par
Job summary - As the NHS Workforce solution moves into a transformational new era there is an exciting opportunity to join the national ESR Team, responsible for delivery of the largest HR, Payroll and Learning management solution and service in the World, to support the next exciting chapter in Workforce Services at NHSBSA. The Department of Health and Social Care has commissioned the NHSBSA to lead the Future NHS Workforce Solution Transformation Programme, to identify and deliver the Future NHS Workforce Solution to over 1.8 million NHS colleagues in England and Wales. Future NHS Workforce Solution Transformation Programme | NHSBSA - It is anticipated that the new supplier will be chosen by Autumn 2025, beginning a significant transitional period as they take on responsibility for running the existing service, whilst configuring the Future Workforce Solution in par
Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Niveau d'études - Niveau BAC+2/3 - Marque - Métier - Expertise Financire et Technique Transformation numérique & data - Mise jour le 04.08.2025 - The Role - BNP Paribas Real Estate is a one-of-a-kind real estate specialist business, with multiple business lines providing residential and commercial property sales; facilities and property management; and rural estate advice and management. The use of data-driven insights and technology is key in the real estate sector. To continue our competitive approach in this market, we have embarked on an exciting programme of activity which involves identifying and enhancing the possibilities with our data - transforming and evolving BNP Paribas Real
Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Niveau d'études - Niveau BAC+2/3 - Marque - Métier - Expertise Financire et Technique Transformation numérique & data - Mise jour le 04.08.2025 - The Role - BNP Paribas Real Estate is a one-of-a-kind real estate specialist business, with multiple business lines providing residential and commercial property sales; facilities and property management; and rural estate advice and management. The use of data-driven insights and technology is key in the real estate sector. To continue our competitive approach in this market, we have embarked on an exciting programme of activity which involves identifying and enhancing the possibilities with our data - transforming and evolving BNP Paribas Real
Experience in consuming a RESTful API.
Experience in consuming a RESTful API.
AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
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Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
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Ability to learn and speak to eBays API, feeds, and other pathways for onboarding
Ability to learn and speak to eBays API, feeds, and other pathways for onboarding
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API calls, metadata and orchestrating principles
API calls, metadata and orchestrating principles
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Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
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Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
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The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API). * FIX API integration for various fixed income products as well as Post-Trade and Data API products. * Work closely with Product Owners and customers on the deployment of new API functionality and workflows and implement features with client requirements/needs in mind
The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API). * FIX API integration for various fixed income products as well as Post-Trade and Data API products. * Work closely with Product Owners and customers on the deployment of new API functionality and workflows and implement features with client requirements/needs in mind
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Be a core member of an agile team driving the team's agile and development practices, writing code and unit tests, working with API specs and automation
Be a core member of an agile team driving the team's agile and development practices, writing code and unit tests, working with API specs and automation
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Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
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Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
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