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6 API jobs in Petersfield + 20 miles
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Senior Software Engineer - C++
Senior Software Engineer - C++
MaxAd
Causeway, Petersfield (GU31), GU31
£58000.00 - £63000.00 per annum + Excellent Benefits
API fundamentals * Python and Bash
API fundamentals * Python and Bash
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Fixed Term - Logistics - Havant - About the Role - Salary: £52,000 £60,000 + Excellent Benefits - Working Pattern: 37.5 hours per week | 4 day working week Monday to Thursday | Remote working but required to come to the office when needed. Location: Havant, Portsmouth. Here at Lockheed Martin we are seeking a Logistics Software Engineer to enhance its software development capability and provide ongoing support for a suite of applications used by both internal stakeholders and Ministry of Defence (MoD) customers. This role requires an experienced and innovative professional who can assume ownership of both new and existing development projects. The successful candidate will be capable of defining technical requirements, managing development tasks, and delivering high-quality software solutions that meet or exceed customer expectations. Key Responsibilities
Fixed Term - Logistics - Havant - About the Role - Salary: £52,000 £60,000 + Excellent Benefits - Working Pattern: 37.5 hours per week | 4 day working week Monday to Thursday | Remote working but required to come to the office when needed. Location: Havant, Portsmouth. Here at Lockheed Martin we are seeking a Logistics Software Engineer to enhance its software development capability and provide ongoing support for a suite of applications used by both internal stakeholders and Ministry of Defence (MoD) customers. This role requires an experienced and innovative professional who can assume ownership of both new and existing development projects. The successful candidate will be capable of defining technical requirements, managing development tasks, and delivering high-quality software solutions that meet or exceed customer expectations. Key Responsibilities
Are you a seasoned IT professional ready to take the lead on shaping robust, scalable, and secure technical solutions? We're looking for an IT Infrastructure Lead to drive architectural consistency, technical excellence, and delivery best practices across our IT function. About the Role - As our IT Technical Lead, you'll be at the heart of our technology ecosystem-bridging infrastructure, application development, service delivery, and cybersecurity. You'll play a pivotal role in guiding the design and implementation of end-to-end solutions, acting as a senior technical authority and trusted advisor to both IT and business teams. This role is hands-on when it needs to be, offering a unique blend of strategic influence and technical depth. From resolving complex incidents to shaping future-ready architectures, your contribution will be key to our IT evolution.
Are you a seasoned IT professional ready to take the lead on shaping robust, scalable, and secure technical solutions? We're looking for an IT Infrastructure Lead to drive architectural consistency, technical excellence, and delivery best practices across our IT function. About the Role - As our IT Technical Lead, you'll be at the heart of our technology ecosystem-bridging infrastructure, application development, service delivery, and cybersecurity. You'll play a pivotal role in guiding the design and implementation of end-to-end solutions, acting as a senior technical authority and trusted advisor to both IT and business teams. This role is hands-on when it needs to be, offering a unique blend of strategic influence and technical depth. From resolving complex incidents to shaping future-ready architectures, your contribution will be key to our IT evolution.
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Embedded Software Engineer
Embedded Software Engineer
Morson Edge
The Airport, Portsmouth (PO3), PO3
£48.59 - 65.00 per hour + Inside IR35
Portsmouth (hybrid working 3 days onsite per week, 2 days from home) – 6 month duration – Pay rate £48.59 p/h PAYE (£55.65 p/h including holiday pay) or £65 p/h Umbrella - We are looking for an Embedded Software Engineer to join our defence clients Software Defined Radio team within the UK System Delivery group. The team is undertaking the design and implementation of a satellite communications Software Defined Radio (SDR) modem. You will be part of a small multi-disciplinary team containing software, system, firmware and infrastructure engineers. There will be scope in the future to work on further developments as project needs arise. You will research and develop aspects of modem products and associated communications systems, using your experience in software within complex systems. Responsibilities
Portsmouth (hybrid working 3 days onsite per week, 2 days from home) – 6 month duration – Pay rate £48.59 p/h PAYE (£55.65 p/h including holiday pay) or £65 p/h Umbrella - We are looking for an Embedded Software Engineer to join our defence clients Software Defined Radio team within the UK System Delivery group. The team is undertaking the design and implementation of a satellite communications Software Defined Radio (SDR) modem. You will be part of a small multi-disciplinary team containing software, system, firmware and infrastructure engineers. There will be scope in the future to work on further developments as project needs arise. You will research and develop aspects of modem products and associated communications systems, using your experience in software within complex systems. Responsibilities
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Introduction - Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can offer a wide range of opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. Explore a wealth of possibilities. Take on challenges, create smart inventions, and grow beyond. This is a place for curious minds, brave pioneers, and everyone in between. Together, we achieve the extraordinary, each bringing our unique perspectives. Your part matters.
Introduction - Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can offer a wide range of opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. Explore a wealth of possibilities. Take on challenges, create smart inventions, and grow beyond. This is a place for curious minds, brave pioneers, and everyone in between. Together, we achieve the extraordinary, each bringing our unique perspectives. Your part matters.
Neos Networks offers alternative working arrangements that give employees some flexibility, including office, home and hybrid working. Base location: Havant with hybrid working 2 days per week in the office - Salary: £ to £69,600 dep on experience + performance related bonus + a range of other benefits to support your family, finances, and wellbeing. Working Pattern: Permanent Full time 37 hours per week - Role Purpose - The Application Support Engineer delivers operational and administrative support for Neos Networks monitoring and service management platforms, primarily Splunk and ServiceNow. Key responsibilities include maintaining dashboards that visualise network health, managing data ingestion from infrastructure devices (e.g. switches, routers, firewalls, Power & Environmental services, etc), scripting automation to enhance alerting and response, and supporting
Neos Networks offers alternative working arrangements that give employees some flexibility, including office, home and hybrid working. Base location: Havant with hybrid working 2 days per week in the office - Salary: £ to £69,600 dep on experience + performance related bonus + a range of other benefits to support your family, finances, and wellbeing. Working Pattern: Permanent Full time 37 hours per week - Role Purpose - The Application Support Engineer delivers operational and administrative support for Neos Networks monitoring and service management platforms, primarily Splunk and ServiceNow. Key responsibilities include maintaining dashboards that visualise network health, managing data ingestion from infrastructure devices (e.g. switches, routers, firewalls, Power & Environmental services, etc), scripting automation to enhance alerting and response, and supporting
374 exact matches jobs are outside your preferred location
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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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Product management, within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from discovery through delivery and iteration for Clients API providers. * Define the long-term vision and strategy for API products, focusing on the needs of developers, clinicians, and patients. * Proven experience in product management, ideally within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from
Product management, within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from discovery through delivery and iteration for Clients API providers. * Define the long-term vision and strategy for API products, focusing on the needs of developers, clinicians, and patients. * Proven experience in product management, ideally within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from
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Senior Service Management & Integration Solution Architect
Senior Service Management & Integration Solution Architect
DXC Technology
London
Unspecified Competitive Salary & Benefits
Extensive knowledge and experience with modern ITSM tools, ITIL and API technologies, solutions, and architectures. * Service Integrations using API based policies
Extensive knowledge and experience with modern ITSM tools, ITIL and API technologies, solutions, and architectures. * Service Integrations using API based policies
PREMIUM
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Solid understanding of REST API development, integrations, and modern application architecture.
Solid understanding of REST API development, integrations, and modern application architecture.
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API-first and integration platforms
API-first and integration platforms
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Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
PREMIUM
The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
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Senior .Net Integration Developer
Senior .Net Integration Developer
Rise Technical
Maidenhead, Berkshire
£50000.00 - £70000.00 per annum + + Training + Holiday
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
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Drive adoption of cloud-native, API-first, and DevOps practices to accelerate delivery and improve resilience.
Drive adoption of cloud-native, API-first, and DevOps practices to accelerate delivery and improve resilience.
NEW
Extensive experience in API development both REST and SOAP. Experience with IntelliJ, Eclipse editor api.
Extensive experience in API development both REST and SOAP. Experience with IntelliJ, Eclipse editor api.
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Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Halian Technology Limited
London
Up to £185,000 per annum High founding member equity and Shares
API integrations, ETL, schema validation
API integrations, ETL, schema validation
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Halian Technology Limited
London
Up to £185,000 per annum High founding member equity
API integrations, ETL, schema validation
API integrations, ETL, schema validation
Analyse technical capabilities, integrations, and API readiness.
Analyse technical capabilities, integrations, and API readiness.
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Significant expertise in API integration, containerisation, microservices and cloud platforms (AWS, O365, GCP)
Significant expertise in API integration, containerisation, microservices and cloud platforms (AWS, O365, GCP)
Analyse technical capabilities, integrations, and API readiness.
Analyse technical capabilities, integrations, and API readiness.
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Translate complex business requirements into detailed technical specifications, architectural designs, and API contracts. o Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. o 5+ years of experience in software development, with significant experience in cloud-based application development and API design. o Familiarity with cloud services relevant to application development (e.g., Azure Webapps, Azure Functions, Azure API Management, Azure Cosmos DB, Azure Databricks, Azure ML services for model consumption).
Translate complex business requirements into detailed technical specifications, architectural designs, and API contracts. o Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. o 5+ years of experience in software development, with significant experience in cloud-based application development and API design. o Familiarity with cloud services relevant to application development (e.g., Azure Webapps, Azure Functions, Azure API Management, Azure Cosmos DB, Azure Databricks, Azure ML services for model consumption).
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MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
FEATURED
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Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
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Software Engineer (C#, .Net & Visual Studio)
Software Engineer (C#, .Net & Visual Studio)
TECHNOLOGY RESOURCING LIMITED
Bellfields, Guildford (GU1), GU1
From £40,000 to £51,000 per annum Annual bonus (currently £4.5–6K)
A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, youll be solving real-world problems with modern tech.
A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, youll be solving real-world problems with modern tech.
NEW
Related Jobs
Locations
- Southwark
- Balmerlawn
- Bellfields
- Bloomsbury
- Causeway
- Covent Garden
- Datchet Common
- Euston
- Furzey Island
- Grazeley
- Central London
- West End
- City of London
- Reading
- South East London
- Southampton
- West London
- North West London
- Bournemouth
- Windsor
- London
- Berkshire
- Hampshire
- Dorset
- Oxfordshire
- Surrey
- West Sussex
- East Sussex
- Kent
- Wiltshire
- South East
- South West