Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC4)
- Holborn
- The City, City (EC3)
- Datchet Common
- Euston
- Frimley
- Ireland
- Shoreditch
- Southwark
- Thames View Industrial Park
- City of London
- Reading
- Central London
- West End
- Northampton
- South East London
- Cheltenham
- East London
- Milton Keynes
- Southampton
- London
- Berkshire
- Surrey
- Hampshire
- Oxfordshire
- Northamptonshire
- Buckinghamshire
- Gloucestershire
- Hertfordshire
- Bedfordshire
- South East
- East Midlands
- Midlands
- South West
22 Contract API jobs in Henley-On-Thames + 20 miles
221 exact matches jobs are outside your preferred location
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Backend Software Engineer Java Kotlin AWS
Backend Software Engineer Java Kotlin AWS
Client Server
Shoreditch, EC2A 2AP
£100000 - £120000 per annum
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
NEWPREMIUM
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API Integration
API Integration
NEWFEATURED
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Awareness of Dataverse API
Awareness of Dataverse API
NEW
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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
NEW
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Strong background in microservices architecture, including both front-end (UI) and API components.
Strong background in microservices architecture, including both front-end (UI) and API components.
NEW
Build scalable cloud solutions using Azure PaaS services (App Services, Function Apps, API Management, etc.)
Build scalable cloud solutions using Azure PaaS services (App Services, Function Apps, API Management, etc.)
NEW
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
NEW
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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
NEW
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Skills: C#.Net, XML / JSON API's, SC & NPPV3 Clearance
Skills: C#.Net, XML / JSON API's, SC & NPPV3 Clearance
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Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
NEW
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Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions
Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions
Deutsche Bank
London
Competitive
We deliver innovative products such as our Digital Payment Gateway (API based solution allowing Marketplaces and Merchant to streamline their payment processing and settlement activities).
We deliver innovative products such as our Digital Payment Gateway (API based solution allowing Marketplaces and Merchant to streamline their payment processing and settlement activities).
NEW
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RESTful API development experience.
RESTful API development experience.
NEW
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Good understanding of API testing * Basic understanding of API automation using python
Good understanding of API testing * Basic understanding of API automation using python
NEW
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Full Stack Python Engineer
Full Stack Python Engineer
Spectrum It Recruitment Limited
PO14, Fareham, P O14
£30000 - £55000 per annum + plus benefits
API models
API models
NEW
Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
NEW
Understanding of API authentication, rate limits, and error handling.
Understanding of API authentication, rate limits, and error handling.
NEW
Software Engineer C++ Mac Extensions EDR
Software Engineer C++ Mac Extensions EDR
Client Server
The City, EC4
£65000 - £80000 per annum + benefits
As a Software Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations.
As a Software Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations.
NEWPREMIUM
.NET Developer
.NET Developer
Halian Technology Limited
W1, Central London
From £70,000 to £80,000 per annum Plus bonus and benefits
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
NEW
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PHP Web Developer
PHP Web Developer
Rise Technical
Northampton, Northamptonshire
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
NEW
Junior PHP Developer
Junior PHP Developer
Rise Technical
Northampton, Northamptonshire
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
NEW
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Maintain and troubleshoot the custom C# .NET backend API used as a wrapper for Contentful CMS. * API Gateway * Solid expertise in C# .NET, particularly in API development and integration. * Familiarity with Contentful CMS and API integration.
Maintain and troubleshoot the custom C# .NET backend API used as a wrapper for Contentful CMS. * API Gateway * Solid expertise in C# .NET, particularly in API development and integration. * Familiarity with Contentful CMS and API integration.
NEW
Senior Software Engineer for Southampton based organisation
Senior Software Engineer for Southampton based organisation
Claremont Consulting
SO14, Southampton
£55000.00 - £66000.00 per annum + Many benefits, superb pension
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
NEW
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Forward Deployed Engineer
Forward Deployed Engineer
McGregor Boyall Associates Limited
EC1, City of London
£70000 - £90000 per annum
Strong data modelling, pipeline development, and API design experience.
Strong data modelling, pipeline development, and API design experience.
NEW
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PHP Web Developer
PHP Web Developer
Rise Technical Recruitment Limited
NN1, Northampton
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
NEWPREMIUM
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Lead .Net Software Developer
Lead .Net Software Developer
Hireful
Milton Keynes, Buckinghamshire
£65k - £75k base salary plus Bonus and awesome benefits
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
NEWFEATURED
Related Jobs
Locations
- The City, City (EC4)
- Holborn
- The City, City (EC3)
- Datchet Common
- Euston
- Frimley
- Ireland
- Shoreditch
- Southwark
- Thames View Industrial Park
- City of London
- Reading
- Central London
- West End
- Northampton
- South East London
- Cheltenham
- East London
- Milton Keynes
- Southampton
- London
- Berkshire
- Surrey
- Hampshire
- Oxfordshire
- Northamptonshire
- Buckinghamshire
- Gloucestershire
- Hertfordshire
- Bedfordshire
- South East
- East Midlands
- Midlands
- South West