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104 Permanent API jobs in Hertfordshire + 20 miles
463 exact matches jobs are outside your preferred location
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About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
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Meet the Team - Ciscos Workforce Productivity Applications (WPA) team operates under the Digital Workplace (DW) organization and delivers best in class productivity solutions by integrating cloud applications and services to provide Cisco employees with a delightful digital workplace experience. We strive to enhance the employee experience by delivering the right mix of productivity solutions that make employees happy, simplify their experience, reduce the number of tools to choose from, and enable people to work seamlessly in a hybrid world. In line with WPA and DW's overarching objectives, we aim to reduce employee friction by 50% and integrate AI into 50% of our operations. We plan to achieve this by enhancing self-service capabilities, eliminating manual tasks, and minimizing support cases and operational overhead.
Meet the Team - Ciscos Workforce Productivity Applications (WPA) team operates under the Digital Workplace (DW) organization and delivers best in class productivity solutions by integrating cloud applications and services to provide Cisco employees with a delightful digital workplace experience. We strive to enhance the employee experience by delivering the right mix of productivity solutions that make employees happy, simplify their experience, reduce the number of tools to choose from, and enable people to work seamlessly in a hybrid world. In line with WPA and DW's overarching objectives, we aim to reduce employee friction by 50% and integrate AI into 50% of our operations. We plan to achieve this by enhancing self-service capabilities, eliminating manual tasks, and minimizing support cases and operational overhead.
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
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Test Automation Manager - Permanent - Location: UK - Remote - Salary: Dependant on experience (+ Employee Benefits) Skills: Team Management, ETRM (ie. Openlink Endur) Energy / Financial Trading experience, QA Team management, BDD, CI/CD, Python, Java etc. We're recruiting a talented Test Automation Manager for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Test Automation Manager with proven team management experience to take ownership of automation practices and guide small, skilled teams. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring
Test Automation Manager - Permanent - Location: UK - Remote - Salary: Dependant on experience (+ Employee Benefits) Skills: Team Management, ETRM (ie. Openlink Endur) Energy / Financial Trading experience, QA Team management, BDD, CI/CD, Python, Java etc. We're recruiting a talented Test Automation Manager for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Test Automation Manager with proven team management experience to take ownership of automation practices and guide small, skilled teams. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring
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£60000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Solutions Engineer - London (Hybrid) We're supporting a global technology group in hiring a Solutions Engineer to join their Digital Solutions team. This is an exciting opportunity to design, prototype, and deliver modern digital solutions leveraging cloud, AI, VR/AR, Edge computing, and other emerging technologies to drive strategic initiatives across multiple industries. This role is ideal for a software engineering professional with a strong technical foundation who is passionate about applying innovative technologies to solve real-world business challenges, while collaborating in a forward-thinking, cross-functional environment. * Collaborate with the Senior Solutions Architect and Digital Solutions team to ensure scalable, secure, and innovative solutions tha
£60000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Solutions Engineer - London (Hybrid) We're supporting a global technology group in hiring a Solutions Engineer to join their Digital Solutions team. This is an exciting opportunity to design, prototype, and deliver modern digital solutions leveraging cloud, AI, VR/AR, Edge computing, and other emerging technologies to drive strategic initiatives across multiple industries. This role is ideal for a software engineering professional with a strong technical foundation who is passionate about applying innovative technologies to solve real-world business challenges, while collaborating in a forward-thinking, cross-functional environment. * Collaborate with the Senior Solutions Architect and Digital Solutions team to ensure scalable, secure, and innovative solutions tha
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£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
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Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
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Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
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Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
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HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
TypeScript | React | Go | Python | Mission-Driven Start-up - Weve partnered with a mission-driven, remote-first start-up thats transforming a global industry worth billions. Their platform is tackling long-standing inefficiencies, unlocking fairness, transparency, and faster payments for creators and rights-holders worldwide. Theyre looking for a Full Stack Software Engineer who wants to build technology that makes a real impact. You wont just write code - youll solve real-world problems that improve how people get paid and recognized. Youll build end-to-end features across UI, APIs, and infrastructure, helping the team deliver meaningful products. * Salary:Up to £100,000 (DOE) * Location:Fully remote (UK only) * Key Technologies:TypeScript, React, Next.js, Go or Python, AWS or GCP - Senior Software Engineer Requirements * 5+ years experience as a Software Engineer (F
TypeScript | React | Go | Python | Mission-Driven Start-up - Weve partnered with a mission-driven, remote-first start-up thats transforming a global industry worth billions. Their platform is tackling long-standing inefficiencies, unlocking fairness, transparency, and faster payments for creators and rights-holders worldwide. Theyre looking for a Full Stack Software Engineer who wants to build technology that makes a real impact. You wont just write code - youll solve real-world problems that improve how people get paid and recognized. Youll build end-to-end features across UI, APIs, and infrastructure, helping the team deliver meaningful products. * Salary:Up to £100,000 (DOE) * Location:Fully remote (UK only) * Key Technologies:TypeScript, React, Next.js, Go or Python, AWS or GCP - Senior Software Engineer Requirements * 5+ years experience as a Software Engineer (F
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
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Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
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Experience with REST API testing and scripting in Python, JavaScript, TypeScript, or Bash.
Experience with REST API testing and scripting in Python, JavaScript, TypeScript, or Bash.
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
Microsoft Azure: Cosmos DB, API Management, Container Registry, Entra ID (Azure AD), Log Analytics, Machine Learning Studio
Microsoft Azure: Cosmos DB, API Management, Container Registry, Entra ID (Azure AD), Log Analytics, Machine Learning Studio
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Have practical knowledge of C#, Web API testing, Azure portal
Have practical knowledge of C#, Web API testing, Azure portal
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Technical Lead
Technical Lead
Zorba Consulting
UK
From £60,000 to £70,000 per annum 28 days hols, health insurance, soci
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
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Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Cryptographic Protocols Practical understanding and hands-on experience with KMIP, PKCS#11, REST API, SNMP, and TLS for secure communications and integrations. * Knowledge of Functional Modules, API developments.
Cryptographic Protocols Practical understanding and hands-on experience with KMIP, PKCS#11, REST API, SNMP, and TLS for secure communications and integrations. * Knowledge of Functional Modules, API developments.
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