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14 Permanent API jobs in Southampton + 20 miles
165 exact matches jobs are outside your preferred location
What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. A little more about your role - As a Principal GIS Consultant at WSP, you will play a pivotal role in leading and shaping multi-disciplinary projects across Water, Energy, Earth, and Environment. You will join a growing team of geospatial professionals committed to driving digital transformation and advancing our geospatial capabilities. In this role, you will lead the geospatial delivery of complex projects, taking ownership of solutions and delivery to ensure successful outcomes.
What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. A little more about your role - As a Principal GIS Consultant at WSP, you will play a pivotal role in leading and shaping multi-disciplinary projects across Water, Energy, Earth, and Environment. You will join a growing team of geospatial professionals committed to driving digital transformation and advancing our geospatial capabilities. In this role, you will lead the geospatial delivery of complex projects, taking ownership of solutions and delivery to ensure successful outcomes.
We have a multi-skilled team, working across the full software stack from application code to the web user interface and RESTful API.
We have a multi-skilled team, working across the full software stack from application code to the web user interface and RESTful API.
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Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
The engineering team works on a fully modernised, cloud-hosted SaaS platform built using contemporary frameworks and best practices, with a focus on scalable architecture, API-first design, and test-driven development. * API design and third-party integrations (payments, SaaS tools, external services)
The engineering team works on a fully modernised, cloud-hosted SaaS platform built using contemporary frameworks and best practices, with a focus on scalable architecture, API-first design, and test-driven development. * API design and third-party integrations (payments, SaaS tools, external services)
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Penetration Tester (CHECK / CREST)
Penetration Tester (CHECK / CREST)
Oscar Associates (UK) Limited
UK
£55000 - £90000 per annum + Expenses + Overnight Bonus
Deliver web application, API, and infrastructure penetration tests, taking ownership of engagements end-to-end from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional consultancy setting.
Deliver web application, API, and infrastructure penetration tests, taking ownership of engagements end-to-end from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional consultancy setting.
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Understanding of web development concepts, including HTTP requests/responses and API integration (if applicable).
Understanding of web development concepts, including HTTP requests/responses and API integration (if applicable).
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We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
We are looking for a Senior Software Development Engineer to help us build high-performance API services that secure and protect API traffic at OCI.
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In parallel, the role also supports API and SDK integration projects by providing technical guidance across the wider integration lifecycle. * Familiarity with API and SDK-based integrations
In parallel, the role also supports API and SDK integration projects by providing technical guidance across the wider integration lifecycle. * Familiarity with API and SDK-based integrations
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Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
FEATURED
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Work closely with the other teams of the Lead to Order unit and collaborate with architecture and engineering teams to define scalable, API-driven and microservices-based solutions
Work closely with the other teams of the Lead to Order unit and collaborate with architecture and engineering teams to define scalable, API-driven and microservices-based solutions
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Good understanding of API design, request/response lifecycles, and common integration patterns. * TypeScript backend development experience using Node.js/TypeScript for API or service layer development, understanding runtime considerations, type driven development, dependency injection, and module architecture. * Microservice architecture familiarity with distributed system concepts such as service boundaries, interservice communication, API gateways, observability, logging/metrics, configuration management, and handling failure modes gracefully (timeouts, retries, backoff, circuit breakers).
Good understanding of API design, request/response lifecycles, and common integration patterns. * TypeScript backend development experience using Node.js/TypeScript for API or service layer development, understanding runtime considerations, type driven development, dependency injection, and module architecture. * Microservice architecture familiarity with distributed system concepts such as service boundaries, interservice communication, API gateways, observability, logging/metrics, configuration management, and handling failure modes gracefully (timeouts, retries, backoff, circuit breakers).
Good understanding of API design, request/response lifecycles, and common integration patterns. * TypeScript backend development experience using Node.js/TypeScript for API or service layer development, understanding runtime considerations, type driven development, dependency injection, and module architecture. * Microservice architecture familiarity with distributed system concepts such as service boundaries, interservice communication, API gateways, observability, logging/metrics, configuration management, and handling failure modes gracefully (timeouts, retries, backoff, circuit breakers).
Good understanding of API design, request/response lifecycles, and common integration patterns. * TypeScript backend development experience using Node.js/TypeScript for API or service layer development, understanding runtime considerations, type driven development, dependency injection, and module architecture. * Microservice architecture familiarity with distributed system concepts such as service boundaries, interservice communication, API gateways, observability, logging/metrics, configuration management, and handling failure modes gracefully (timeouts, retries, backoff, circuit breakers).
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Experience mentoring other writers on specific domains or patterns (for example, journey docs, API + UI combined workflows). * Experience writing API documentation.
Experience mentoring other writers on specific domains or patterns (for example, journey docs, API + UI combined workflows). * Experience writing API documentation.
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You will work on complex automation projects, contributing to the architecture, implementation, and improvement of automated test frameworks across UI, API, and database systems. * Develops and maintains complex automated scripts for UI, API, and database systems, ensuring high performance, reliability, and adherence to standards. * Deep practical knowledge of industry-standard tools for web, API, and mobile testing, with the ability to troubleshoot complex environment-specific issues. * A structured and proficient approach to API testing using both automated code frameworks and exploratory tools like Postman.
You will work on complex automation projects, contributing to the architecture, implementation, and improvement of automated test frameworks across UI, API, and database systems. * Develops and maintains complex automated scripts for UI, API, and database systems, ensuring high performance, reliability, and adherence to standards. * Deep practical knowledge of industry-standard tools for web, API, and mobile testing, with the ability to troubleshoot complex environment-specific issues. * A structured and proficient approach to API testing using both automated code frameworks and exploratory tools like Postman.
PREMIUM
Advanced knowledge of the end-to-end testing ecosystem, including web, API, and mobile tools, with the ability to evaluate and onboard new technologies for different client contexts. * Proficiency in API testing and the integration of automated security or performance checks into the API layer.
Advanced knowledge of the end-to-end testing ecosystem, including web, API, and mobile tools, with the ability to evaluate and onboard new technologies for different client contexts. * Proficiency in API testing and the integration of automated security or performance checks into the API layer.
PREMIUM
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Life. Unlimited. At Smith+Nephew we design and manufacture technology that takes the limits off living. Are you passionate about building seamless digital connections that make work better for people across the globe? As our People Technology Product Owner Integrations, youll play a critical role in connecting systems, data and teams, helping Smith+Nephew deliver a joined up, reliable and secure HR technology experience at scale. This is a great opportunity to shape how our global HR platforms work together, while leading meaningful change across the organisation. What will you be doing? In this role, youll sit at the heart of our People Technology landscape, owning the full lifecycle of HR integrations, primarily within Workday. Youll work closely with HR, Payroll, Finance, IT and external partners, translating business needs into robust technical solutions that enable ...
Life. Unlimited. At Smith+Nephew we design and manufacture technology that takes the limits off living. Are you passionate about building seamless digital connections that make work better for people across the globe? As our People Technology Product Owner Integrations, youll play a critical role in connecting systems, data and teams, helping Smith+Nephew deliver a joined up, reliable and secure HR technology experience at scale. This is a great opportunity to shape how our global HR platforms work together, while leading meaningful change across the organisation. What will you be doing? In this role, youll sit at the heart of our People Technology landscape, owning the full lifecycle of HR integrations, primarily within Workday. Youll work closely with HR, Payroll, Finance, IT and external partners, translating business needs into robust technical solutions that enable ...
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Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
NEWPREMIUM
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About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We''re now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose
About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We''re now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose
NEW
About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We're now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose - Conduct regular data audits and system reviews to maintain integrity
About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We're now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose - Conduct regular data audits and system reviews to maintain integrity
NEW
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Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. Were home to the UKs largest choice of properties and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing whats on the market. Role: Software Engineer (AI Enablement)Location: London (Hybrid working, 2 days per week in office - Wed/Thurs) Reporting to: Engineering Manager AI Enablement - The Role - Our AI Enablement team is dedicated to enhancing the efficiency with which product and engineering teams deliver value through the safe and effective adoption of AI-native tools, practices, and workflows. We collaborate across the organisation to minimise friction, boost developer ...
Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. Were home to the UKs largest choice of properties and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing whats on the market. Role: Software Engineer (AI Enablement)Location: London (Hybrid working, 2 days per week in office - Wed/Thurs) Reporting to: Engineering Manager AI Enablement - The Role - Our AI Enablement team is dedicated to enhancing the efficiency with which product and engineering teams deliver value through the safe and effective adoption of AI-native tools, practices, and workflows. We collaborate across the organisation to minimise friction, boost developer ...
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Are you excited about building intelligent systems powered by innovative AI technologies? Do you enjoy creating solutions that turn complex data into impactful outcomes? Embedded Innovation Teams are cross-functional squads embedded within our segments to rapidly turn internal AI experimentation into validated, reusable solutions, building the capabilities we need to deliver customer value and growth. We work problem-first rather than tool-first, directly inside segment and function teams, improving the internal workflows that help our people deliver better outcomes for customers, faster. As a Principal AI Engineer, you will be the technical lead for an embedded Innovation Squad, owning technical execution from discovery through to production. You will assess and harden existing AI prototypes, deliver new ones, and establish the agentic AI patterns, orchestration, tool ...
Are you excited about building intelligent systems powered by innovative AI technologies? Do you enjoy creating solutions that turn complex data into impactful outcomes? Embedded Innovation Teams are cross-functional squads embedded within our segments to rapidly turn internal AI experimentation into validated, reusable solutions, building the capabilities we need to deliver customer value and growth. We work problem-first rather than tool-first, directly inside segment and function teams, improving the internal workflows that help our people deliver better outcomes for customers, faster. As a Principal AI Engineer, you will be the technical lead for an embedded Innovation Squad, owning technical execution from discovery through to production. You will assess and harden existing AI prototypes, deliver new ones, and establish the agentic AI patterns, orchestration, tool ...