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        21 Permanent API jobs in Royston + 20 miles

        Cloud Software Developer in Test

        AVEVA
        Cambridge, Cambridgeshire
        Competitive
        Experience with API test automation.
        Experience with API test automation.
        Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
        Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
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        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        more
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
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        Junior Integration Analyst

        Altro
        Letchworth Garden City (SG6), SG6 1NW
        Competitive salary plus additional benefits,
        Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
        Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
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        PREMIUM
        Description - Nuclera is a venture-backed biotech company headquartered in Cambridge, UK with significant operations in Boston, USA. Nucleras mission is to accelerate discovery by enabling rapid, easy access to functional proteins essential for drug discovery research. Our eProtein Discovery benchtop system accelerates protein expression and purification optimization in research labs. We are seeking a highly motivated and experienced Mid-level Software Quality Assurance (QA) Engineer to work with our Senior SDET to define and drive our testing strategy and ensure the highest standards of software quality for our groundbreaking eProtein Discovery platform. Join us in shaping the future of protein prototyping technology. As a QA Engineer, youll bring a deep understanding of modern test automation frameworks and hands-on experience with Typescript and Python coding in ...
        Description - Nuclera is a venture-backed biotech company headquartered in Cambridge, UK with significant operations in Boston, USA. Nucleras mission is to accelerate discovery by enabling rapid, easy access to functional proteins essential for drug discovery research. Our eProtein Discovery benchtop system accelerates protein expression and purification optimization in research labs. We are seeking a highly motivated and experienced Mid-level Software Quality Assurance (QA) Engineer to work with our Senior SDET to define and drive our testing strategy and ensure the highest standards of software quality for our groundbreaking eProtein Discovery platform. Join us in shaping the future of protein prototyping technology. As a QA Engineer, youll bring a deep understanding of modern test automation frameworks and hands-on experience with Typescript and Python coding in ...
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        £60,000-£70,000 | Cambridge (Hybrid) REED Technology are supporting a rapidly scaling global SaaS organisation in Cambridge who are seeking an experienced Senior Business Systems Analyst. This pivotal role focuses on optimising and scaling core business systems across Finance, Sales, Marketing, Customer Success and Operations. The position is ideal for a Salesforce-focused systems professional who enjoys cross-functional collaboration, tackling complex operational challenges, and delivering scalable, future-proof systems solutions. The Role - You will partner with senior business leaders to translate operational and financial requirements into effective systems solutions, ensuring platforms such as Salesforce and supporting business systems evolve in line with organisational growth. * Lead stakeholder discovery sessions and end-to-end process reviews
        £60,000-£70,000 | Cambridge (Hybrid) REED Technology are supporting a rapidly scaling global SaaS organisation in Cambridge who are seeking an experienced Senior Business Systems Analyst. This pivotal role focuses on optimising and scaling core business systems across Finance, Sales, Marketing, Customer Success and Operations. The position is ideal for a Salesforce-focused systems professional who enjoys cross-functional collaboration, tackling complex operational challenges, and delivering scalable, future-proof systems solutions. The Role - You will partner with senior business leaders to translate operational and financial requirements into effective systems solutions, ensuring platforms such as Salesforce and supporting business systems evolve in line with organisational growth. * Lead stakeholder discovery sessions and end-to-end process reviews
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        Are you looking for an exciting and challenging role, with the possibility to work on the cutting edge of mobile GPU technology? Do you want to use your technical and leadership skills to help drive your career? Arm is seeking highly skilled and motivated engineers to join our Agile driver development team producing key components for the next generation Mali products! We work closely with the multi-disciplined engineering teams across Arm's European design centres, being in constant contact with both Software and Hardware engineers as well as Architects. We have a consistent track record of building up expertise in people, so this is an excellent opportunity for learning new things in a friendly and collaborative environment. Join a multinational, dynamic and highly motivated software development group with great work ethics where you will enjoy the support of your ...
        Are you looking for an exciting and challenging role, with the possibility to work on the cutting edge of mobile GPU technology? Do you want to use your technical and leadership skills to help drive your career? Arm is seeking highly skilled and motivated engineers to join our Agile driver development team producing key components for the next generation Mali products! We work closely with the multi-disciplined engineering teams across Arm's European design centres, being in constant contact with both Software and Hardware engineers as well as Architects. We have a consistent track record of building up expertise in people, so this is an excellent opportunity for learning new things in a friendly and collaborative environment. Join a multinational, dynamic and highly motivated software development group with great work ethics where you will enjoy the support of your ...
        more
        As a Security Engineer Fuzzing Specialist, you will own and evolve our coverage-guided fuzzing program. Your mission is to uncover hard-to-reach security flaws before attackers do, drive fixes to closure, and help product teams to embrace dynamic testing like fuzzing. Youll scout for new attack surfaces, craft high-performance fuzzing harnesses, and design custom sanitisers that push the state of the art. Success means measurable coverage gains, actionable crash reports, and products that ship with provable resilience. * Map & prioritise fuzzing surfaces across services, libraries, APIs, and protocols; maintain a living risk-based roadmap. * Design, build, and extend fuzzing harnesses (libFuzzer, AFL++, Honggfuzz, etc.) that improve code-path exploration and minimise false positives. * Continuously improve coverage by growing seed corpus, deploying targeted mutation ...
        As a Security Engineer Fuzzing Specialist, you will own and evolve our coverage-guided fuzzing program. Your mission is to uncover hard-to-reach security flaws before attackers do, drive fixes to closure, and help product teams to embrace dynamic testing like fuzzing. Youll scout for new attack surfaces, craft high-performance fuzzing harnesses, and design custom sanitisers that push the state of the art. Success means measurable coverage gains, actionable crash reports, and products that ship with provable resilience. * Map & prioritise fuzzing surfaces across services, libraries, APIs, and protocols; maintain a living risk-based roadmap. * Design, build, and extend fuzzing harnesses (libFuzzer, AFL++, Honggfuzz, etc.) that improve code-path exploration and minimise false positives. * Continuously improve coverage by growing seed corpus, deploying targeted mutation ...
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        Our team develops the driver layer that implements widely used GPU compute and machine learning APIs, including Vulkan ML and OpenCL, enabling massively parallel workloads on Arm Mali GPUs. Mali GPUs power performance-critical applications such as machine learning, image processing, computer vision, and video encode and decode. Working within the constraints of mobile and embedded systems, we deliver advanced functionality while continuously improving performance, efficiency, and reliability. You will join a collaborative Agile team developing GPU compute drivers for next-generation Mali GPUs. Working with pre-release Android platforms and emerging technologies, you will help shape capabilities that will reach the mobile market in the years ahead. We use modern AI information retrieval tools and advanced engineering practices to improve productivity and quality, placing ...
        Our team develops the driver layer that implements widely used GPU compute and machine learning APIs, including Vulkan ML and OpenCL, enabling massively parallel workloads on Arm Mali GPUs. Mali GPUs power performance-critical applications such as machine learning, image processing, computer vision, and video encode and decode. Working within the constraints of mobile and embedded systems, we deliver advanced functionality while continuously improving performance, efficiency, and reliability. You will join a collaborative Agile team developing GPU compute drivers for next-generation Mali GPUs. Working with pre-release Android platforms and emerging technologies, you will help shape capabilities that will reach the mobile market in the years ahead. We use modern AI information retrieval tools and advanced engineering practices to improve productivity and quality, placing ...
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        Senior Business Systems Analyst

        Robert Half Limited
        Cambridge (CB1)
        £65000 - £77000 per annum + Bonus & Benefits
        Desirable experience includes Oracle NetSuite administration, Celigo integrations, Atlassian tools, Power BI, Power Automate and API-based system integrations.
        Desirable experience includes Oracle NetSuite administration, Celigo integrations, Atlassian tools, Power BI, Power Automate and API-based system integrations.
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        Experience with cloud services, API design, database architecture, big data tools and frameworks * Cloud services experience with AWS strongly preferred (EC2, ECS, Lambda, API Gateway, S3, DynamoDB, RDS) * API and service design: REST,gRPC,GraphQL; versioning and backward compatibility at scale
        Experience with cloud services, API design, database architecture, big data tools and frameworks * Cloud services experience with AWS strongly preferred (EC2, ECS, Lambda, API Gateway, S3, DynamoDB, RDS) * API and service design: REST,gRPC,GraphQL; versioning and backward compatibility at scale
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        Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI. The Darktrace Active AI Security Platform delivers a proactive approach to cyber resilience to secure the business across the entire digital estate from network to cloud to email. Breakthrough innovations from our R&D teams have resulted in over 200 patent applications filed. Darktraces platform and services are supported by over 2,400 employees around the world. We are seeking candidates to join our mobile app team. Our mobile application helps to alert security professionals to critical information that they need to know whilst they are on the go, giving them peace of mind that Darktraces ...
        Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI. The Darktrace Active AI Security Platform delivers a proactive approach to cyber resilience to secure the business across the entire digital estate from network to cloud to email. Breakthrough innovations from our R&D teams have resulted in over 200 patent applications filed. Darktraces platform and services are supported by over 2,400 employees around the world. We are seeking candidates to join our mobile app team. Our mobile application helps to alert security professionals to critical information that they need to know whilst they are on the go, giving them peace of mind that Darktraces ...
        more
        Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI. The Darktrace Active AI Security Platform delivers a proactive approach to cyber resilience to secure the business across the entire digital estate from network to cloud to email. Breakthrough innovations from our R&D teams have resulted in over 200 patent applications filed. Darktraces platform and services are supported by over 2,400 employees around the world. The UI Software Engineer will work both collaboratively and independently to deliver cutting edge cyber security solutions. You will be tasked with creating and maintaining dynamic user interfaces, enhancing user experience, ...
        Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI. The Darktrace Active AI Security Platform delivers a proactive approach to cyber resilience to secure the business across the entire digital estate from network to cloud to email. Breakthrough innovations from our R&D teams have resulted in over 200 patent applications filed. Darktraces platform and services are supported by over 2,400 employees around the world. The UI Software Engineer will work both collaboratively and independently to deliver cutting edge cyber security solutions. You will be tasked with creating and maintaining dynamic user interfaces, enhancing user experience, ...
        more
        Our world is transforming, and PTC is leading the way. Our software brings the physical and digital worlds together, enabling companies to improve operations, create better products, and empower people in all aspects of their business. Our people make all the difference in our success. Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible. About PTC - PTC is a global technology company focused on uniting the physical and digital worlds through innovative software solutions. With nearly 7,000 employees worldwide, the company emphasizes growth, learning, and collaboration while empowering customers to improve operations and create better products. Role Overview
        Our world is transforming, and PTC is leading the way. Our software brings the physical and digital worlds together, enabling companies to improve operations, create better products, and empower people in all aspects of their business. Our people make all the difference in our success. Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible. About PTC - PTC is a global technology company focused on uniting the physical and digital worlds through innovative software solutions. With nearly 7,000 employees worldwide, the company emphasizes growth, learning, and collaboration while empowering customers to improve operations and create better products. Role Overview
        more

        298 exact matches jobs are outside your preferred location

        We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
        We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
        more
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        more
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
        We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
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        Full Stack Developer (FinTech/ Insurance)

        Ernest Gordon Recruitment
        Basildon (SS13)
        £45000 - £55000 per annum + Training, Progression, Company Benefit,
        Basildon - Hybrid £45,000 - £55,000 + Training + Progression + Healthcare Coverage + Benefits - Are you a Full Stack Developer with a strong front-end focus, looking to join a talented team building cutting-edge websites for global FinTech clients, using modern technologies and receiving great training to support your progression into a senior role? Are you looking to join a company that genuinely invests in your future, with unlimited training opportunities and a best-in-class e-learning platform designed to keep you ahead of the curve in a fast-evolving tech landscape? This company have become a true disruptor in the insurance industry, seamlessly blending cutting-edge technology with every aspect of the sector. Their intelligent automation solutions are helping insurance firms stay agile, competitive, and efficient by streamlining traditionally time-consuming processes.
        Basildon - Hybrid £45,000 - £55,000 + Training + Progression + Healthcare Coverage + Benefits - Are you a Full Stack Developer with a strong front-end focus, looking to join a talented team building cutting-edge websites for global FinTech clients, using modern technologies and receiving great training to support your progression into a senior role? Are you looking to join a company that genuinely invests in your future, with unlimited training opportunities and a best-in-class e-learning platform designed to keep you ahead of the curve in a fast-evolving tech landscape? This company have become a true disruptor in the insurance industry, seamlessly blending cutting-edge technology with every aspect of the sector. Their intelligent automation solutions are helping insurance firms stay agile, competitive, and efficient by streamlining traditionally time-consuming processes.
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        Frequently Asked Questions

        How many permanent API jobs are there in Royston?
        There are 21 permanent API jobs within 20 miles of Royston available on CWJobs right now.

        What other similar jobs are there to permanent API jobs in Royston?
        As well as permanent API jobs in Royston, you can find permanent IT, Software Development, Architecture, amongst many others.