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13 API jobs in Cassington + 20 miles
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Integration Engineer Contact (Outside IR35) - Oxfordshire
Integration Engineer Contact (Outside IR35) - Oxfordshire
Halian Technology Limited
OX1, Oxford
From £400 to £550 per day
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
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Principal Software Engineer – IOT & FULL-STACK
Principal Software Engineer – IOT & FULL-STACK
Gerrell & Hard
Bicester, Oxfordshire
Unspecified £competitive
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
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At the heart of this new application is allowing extensibility via the integration of the Python framework alongside a set of open API's that give access to core functionality of the application. This project would be responsible for proving the early stage integration of our new pre & post processing application and other tooling into a wider workflow by leveraging our initial extensibility framework and API's.
At the heart of this new application is allowing extensibility via the integration of the Python framework alongside a set of open API's that give access to core functionality of the application. This project would be responsible for proving the early stage integration of our new pre & post processing application and other tooling into a wider workflow by leveraging our initial extensibility framework and API's.
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Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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Senior .Net Core Developer - Blazor
Senior .Net Core Developer - Blazor
Ascent People
OX1, Oxford
Up to £75,000 per annum Performance bonus, Car scheme, Gym membership,
Senior C# Developer, .Net Core Software Engineer, C-Sharp, Programming Job, Blazor, ASP.Net Core, Visual Studio International Engineering Company, Oxford 50-75K - 4 days in the office. I may be biased, but this has to be one of the best C# Developer / Software Engineer jobs available in the UK today. Dont have time to read this advert, just call, text, email, or connect with me to obtain spec - 0-7-7-9-1-6-1-5-7-0-3 * Are you a C# Developer (desktop or web-based) with a mid to senior-level skill set and can show extensive knowledge of .Net development? * Do you have any experience with Blazor, or would you like to be trained in this technology? This is an exhilarating opportunity to work in Software development for one of the UKs most impressive success stories. You will gain exposure to cutting-edge technologies while working alongside some of the industry's brightes
Senior C# Developer, .Net Core Software Engineer, C-Sharp, Programming Job, Blazor, ASP.Net Core, Visual Studio International Engineering Company, Oxford 50-75K - 4 days in the office. I may be biased, but this has to be one of the best C# Developer / Software Engineer jobs available in the UK today. Dont have time to read this advert, just call, text, email, or connect with me to obtain spec - 0-7-7-9-1-6-1-5-7-0-3 * Are you a C# Developer (desktop or web-based) with a mid to senior-level skill set and can show extensive knowledge of .Net development? * Do you have any experience with Blazor, or would you like to be trained in this technology? This is an exhilarating opportunity to work in Software development for one of the UKs most impressive success stories. You will gain exposure to cutting-edge technologies while working alongside some of the industry's brightes
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Are you looking for an exciting opportunity where your skills will shine and your ideas will shape the future? At Grundon, we are on the lookout for a dynamic, passionate, and driven individual to join our Data team based in Benson. This is more than just a job; it’s an opportunity to join a company that is here to show the world that there is more to waste than it seems. Here your contributions will make a real difference as we work towards our shared vision to unlock the potential of waste whilst leaving a better planet for future generations. Reporting into the Head of IT/ Finance Director you will play a key role in driving our mission forward managing and optimising the organisation’s data warehouse to ensure high performance, reliability, and accessibility. This role involves designing, developing, and maintaining scalable data solutions that support business ..
Are you looking for an exciting opportunity where your skills will shine and your ideas will shape the future? At Grundon, we are on the lookout for a dynamic, passionate, and driven individual to join our Data team based in Benson. This is more than just a job; it’s an opportunity to join a company that is here to show the world that there is more to waste than it seems. Here your contributions will make a real difference as we work towards our shared vision to unlock the potential of waste whilst leaving a better planet for future generations. Reporting into the Head of IT/ Finance Director you will play a key role in driving our mission forward managing and optimising the organisation’s data warehouse to ensure high performance, reliability, and accessibility. This role involves designing, developing, and maintaining scalable data solutions that support business ..
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We're currently working with a growing SaaS company based in Banbury that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a Lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Banbury, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
We're currently working with a growing SaaS company based in Banbury that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a Lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Banbury, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
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Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
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Proficiency in API testing (Postman or equivalent) and SQL for data validation.
Proficiency in API testing (Postman or equivalent) and SQL for data validation.
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Conduct API testing using tools like Postman and validate data integrity through SQL queries. * Proficiency in API testing (Postman or equivalent) and SQL for data validation.
Conduct API testing using tools like Postman and validate data integrity through SQL queries. * Proficiency in API testing (Postman or equivalent) and SQL for data validation.
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Own end-to-end API and IDoc integration strategy and execution through go-live.
Own end-to-end API and IDoc integration strategy and execution through go-live.
OrganOx is an innovative, fast-paced, global medical device company with a mission to save lives by making every donated organ count. We are a commercial stage organ technology company, spun out of the University of Oxford in 2008, committed to improving transplantation outcomes throughout the world. The companys first product, the OrganOx metra normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally. Position Summary - The Senior Full Stack Web Developer will be a key internal resource in the Digital department and will deliver on projects to build research tools and production solutions to dovetail with outsourced development teams while being an asset to the specialist design and development work conducted in-house.
OrganOx is an innovative, fast-paced, global medical device company with a mission to save lives by making every donated organ count. We are a commercial stage organ technology company, spun out of the University of Oxford in 2008, committed to improving transplantation outcomes throughout the world. The companys first product, the OrganOx metra normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally. Position Summary - The Senior Full Stack Web Developer will be a key internal resource in the Digital department and will deliver on projects to build research tools and production solutions to dovetail with outsourced development teams while being an asset to the specialist design and development work conducted in-house.
Strong API development and database experience (Postgres/Oracle + SQL).
Strong API development and database experience (Postgres/Oracle + SQL).
643 exact matches jobs are outside your preferred location
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
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Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
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Lead Full Stack Developer
Lead Full Stack Developer
S-SA Digital Recruitment Ltd
NN6, Northampton
From £55,000 to £70,000 per annum
SEO Keywords embedded: Full-Stack Developer, Lead Developer, Node.js Developer, PHP Developer, Python Developer, AI Developer, AI Engineer, API Development, REST APIs, Cloud (AWS, GCP, Azure), React, Angular, Docker, Kubernetes, Machine Learning, AI Code Assistants, GitHub Copilot, CodeWhisperer.
SEO Keywords embedded: Full-Stack Developer, Lead Developer, Node.js Developer, PHP Developer, Python Developer, AI Developer, AI Engineer, API Development, REST APIs, Cloud (AWS, GCP, Azure), React, Angular, Docker, Kubernetes, Machine Learning, AI Code Assistants, GitHub Copilot, CodeWhisperer.
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We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
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Strong expertise in MuleSoft Anypoint Platform (API Manager, Runtime, Exchange, CI/CD integration). o Proven experience in API-led integration design and implementation across hybrid and multi-cloud environments.
Strong expertise in MuleSoft Anypoint Platform (API Manager, Runtime, Exchange, CI/CD integration). o Proven experience in API-led integration design and implementation across hybrid and multi-cloud environments.
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Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
Job Description - UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes - RELOCATION ASSISTANCE: Relocation assistance may be available - CLEARANCE TYPE: UK-Highest Level of Government Clearance - TRAVEL: Yes, 10% of the Time - Salary: £77,400 - £116,000 - Define Possible at Northrop Grumman UK - At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind-set goes beyond our customer solutions; its the foundation for your career development and the impact we have within the community. So, whats your possible? This is more than just a job; its a mission. We are seeking an experienced Elasticsearch Platforms Engineer to join our Data Platforms Infrastructure team. This role is pivotal in supporting and maintaining our Elastic Cloud Enterprise (ECE) environment, designin
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Are you a C++ Software Developer? Do you have a minimum of 12 months commercial experience? If yes, then read on, and let us tell you why Synertec is adding real value into the Public and Commercial Sectors. Location: Wellington, Somerset OR Bristol, OR Milton Keynes - Salary: £40,196.18 - £51,680.11 DOE - Core Benefits: Hybrid Working Policy (2 days maximum in office), 25 days holiday rising to 30 (plus Bank Holidays), Company Pension Scheme (8% employer contribution) Health Cash Plan (after completion of Probationary Period) Embark on your journey with confidence through our Comprehensive Induction and Training Program. We invest in your professional development from day one, providing the tools and knowledge to excel in your role. Join us and experience a workplace that values your individuality and prioritises your well-being.
Are you a C++ Software Developer? Do you have a minimum of 12 months commercial experience? If yes, then read on, and let us tell you why Synertec is adding real value into the Public and Commercial Sectors. Location: Wellington, Somerset OR Bristol, OR Milton Keynes - Salary: £40,196.18 - £51,680.11 DOE - Core Benefits: Hybrid Working Policy (2 days maximum in office), 25 days holiday rising to 30 (plus Bank Holidays), Company Pension Scheme (8% employer contribution) Health Cash Plan (after completion of Probationary Period) Embark on your journey with confidence through our Comprehensive Induction and Training Program. We invest in your professional development from day one, providing the tools and knowledge to excel in your role. Join us and experience a workplace that values your individuality and prioritises your well-being.
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We have partnered with a successful SaaS company based in Milton Keynes which are currently experiencing rapid growth and are partnering with major clients within their industry. They now have an exciting opportunity for a Software Developer skilled across the Microsoft Tech Stack - .NET Core, C#, ASP.NET, SQL, and Azure. The successful candidate will be working across the whole SDLC from inception through to design, implementation and deployment of their SaaS platform. This role is mostly onsite so candidates must be willing to travel to Milton Keynes a minimum of four days a week. * .NET Framework - C# .NET, .NET Core, ASP.NET Core * Entity Framework Core * Azure Cloud - Azure DevOps * JavaScript * RESTful APIs / Web APIs * Git - Benefits Package * Competitive Salary (DOE) * Flexi-hours * Private healthcare * Company car scheme * Social events and Company days out
We have partnered with a successful SaaS company based in Milton Keynes which are currently experiencing rapid growth and are partnering with major clients within their industry. They now have an exciting opportunity for a Software Developer skilled across the Microsoft Tech Stack - .NET Core, C#, ASP.NET, SQL, and Azure. The successful candidate will be working across the whole SDLC from inception through to design, implementation and deployment of their SaaS platform. This role is mostly onsite so candidates must be willing to travel to Milton Keynes a minimum of four days a week. * .NET Framework - C# .NET, .NET Core, ASP.NET Core * Entity Framework Core * Azure Cloud - Azure DevOps * JavaScript * RESTful APIs / Web APIs * Git - Benefits Package * Competitive Salary (DOE) * Flexi-hours * Private healthcare * Company car scheme * Social events and Company days out
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Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Syntax Consultancy Ltd
West Fields, RG14
£450 - £450 Per Day £425-£450/day (Outside IR35)
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
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Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Syntax Consultancy Limited
West Fields, RG14
£450 Per Day £425-£450/day (Outside IR35)
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
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Exposure to Swift Vapor for server-side API development (desirable, not essential).
Exposure to Swift Vapor for server-side API development (desirable, not essential).
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.NET Framework Version 4.5 or above including strong WCF\ Web API experience
.NET Framework Version 4.5 or above including strong WCF\ Web API experience
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Related Jobs
Locations
- West Fields
- Birmingham Business Park
- Datchet Common
- Beeches Industrial Estate
- Cofton Common
- Frimley
- Hillesley
- Ireland
- Lash Hill
- Lode Heath
- Reading
- Birmingham
- Milton Keynes
- Northampton
- Bristol
- Oxford
- Cheltenham
- Gloucester
- Maidenhead
- Newbury
- London
- Berkshire
- West Midlands
- Oxfordshire
- Gloucestershire
- Buckinghamshire
- Surrey
- Northamptonshire
- Avon
- Hampshire
- South East
- Midlands
- South West
- East Midlands