Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- Hinxton
- The City, City (EC2)
- The City, City (EC3)
- Albion Trading Estate
- Ancoats, Manchester (M4)
- Arundel Heights
- Bardon Hill
- Bishops Cleeve
- Cathay
- Causeway
- City of London
- Central London
- West End
- Bristol
- East London
- Leeds
- Milton Keynes
- Stevenage
- Cambridge
- Manchester
- London
- Hertfordshire
- Berkshire
- West Yorkshire
- Greater Manchester
- Buckinghamshire
- Essex
- Surrey
- Avon
- Cambridgeshire
- South East
- North West
- South West
- Yorkshire
- Midlands
- East Anglia
- East Midlands
- North East
- Scotland
- West Midlands
)
C# Developer .Net SQL API
C# Developer .Net SQL API
Client Server
The City, City of London (EC4), EC4R
£75000 - £90000 per annum + benefits
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
PREMIUM
Senior Backend Engineer TypeScript Node API
Senior Backend Engineer TypeScript Node API
Client Server
The City, City of London (EC4), EC2V
£85000 - £100000 per annum + shares + benefits
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
NEWPREMIUM
C++ Developer MacOS API
C++ Developer MacOS API
Client Server
The City, City of London (EC4), EC2V
£65000 - £80000 per annum + benefits
As a C++ 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 C++ 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
)
API-first and integration platforms
API-first and integration platforms
)
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
RESTful API design and implementation expertise
RESTful API design and implementation expertise
)
Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
)
Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
)
Skilled in building robust, optimized API endpoints.
Skilled in building robust, optimized API endpoints.
)
Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
£75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
)
Configure API connections to CRM systems and Power BI for real-time dashboards. * Experience with API integrations and data visualisation tools (Power BI preferred).
Configure API connections to CRM systems and Power BI for real-time dashboards. * Experience with API integrations and data visualisation tools (Power BI preferred).
FEATURED
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
)
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
)
Data Engineer
Data Engineer
McGregor Boyall Associates Limited
Turnham Green, West London (W4), W4 1SY
£30000 - £35000 per annum
Develop API integrations to connect multiple business systems
Develop API integrations to connect multiple business systems
)
Senior Azure Developer (Azure, SDK, Node)
Senior Azure Developer (Azure, SDK, Node)
MS Talent Ltd
The City, City of London (EC2), EC2M
£400 - £450 per day, Benefits Outside IR35
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. As the Lead Azure Developer, you will design Azure-native architecture, build custom components, and integrate with Microsoft Graph API, Azure enterprise apps and other Microsoft SDKs. * Build custom Azure applicationsusing Microsoft SDKs and Graph API If you are a Senior Azure Developer / Lead Azure Developerwho has built custom Microsoft Azure applications using Node.js, Microsoft SDKs and Graph API, and you want a role where that experience actually matters, apply now.
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. As the Lead Azure Developer, you will design Azure-native architecture, build custom components, and integrate with Microsoft Graph API, Azure enterprise apps and other Microsoft SDKs. * Build custom Azure applicationsusing Microsoft SDKs and Graph API If you are a Senior Azure Developer / Lead Azure Developerwho has built custom Microsoft Azure applications using Node.js, Microsoft SDKs and Graph API, and you want a role where that experience actually matters, apply now.
)
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
Strong understanding of API integrations, RESTful services, and event streaming.
Strong understanding of API integrations, RESTful services, and event streaming.
NEW
)
Front Office Developer - Technical Team Lead
Front Office Developer - Technical Team Lead
CMC Markets UK Plc
The City, City of London (EC3), EC3A 7BX
Competitive Salary + Bonus, Pension, Private Health, Life Assurance
Proven experience designing and developing API-based, microservices-driven architectures.
Proven experience designing and developing API-based, microservices-driven architectures.
FEATURED
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
Senior Full Stack Engineer React TypeScript
Senior Full Stack Engineer React TypeScript
Client Server
The City, City of London (EC4), EC2V
£80000 - £90000 per annum + benefits
You have strong React and Redux front end skills combined with backend JavaScript, TypeScript, Node.js and API experience
You have strong React and Redux front end skills combined with backend JavaScript, TypeScript, Node.js and API experience
NEWPREMIUM
)
Software Architect
Software Architect
Bilge Adam Technologies UK Ltd
Central London (WC1)
From £75,000 to £90,000 per annum
Job description - Job Role: Software/Solution Architect - We are looking to hire an experienced Software Architect. What Youll Be Doing - Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For - Someone who is having software architecture experience , thinks in systems, and enjoys working with both high
Job description - Job Role: Software/Solution Architect - We are looking to hire an experienced Software Architect. What Youll Be Doing - Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For - Someone who is having software architecture experience , thinks in systems, and enjoys working with both high
)
Adopt a "shift-left" approachby designing and implementing performance tests at the API, component, and integration levels, not just at the UI/E2E level.
Adopt a "shift-left" approachby designing and implementing performance tests at the API, component, and integration levels, not just at the UI/E2E level.
)
Strong background in system/API design.
Strong background in system/API design.
PREMIUM
)
Get your API on!
Get your API on!
Related Jobs
Locations
- Hinxton
- The City, City (EC2)
- The City, City (EC3)
- Albion Trading Estate
- Ancoats, Manchester (M4)
- Arundel Heights
- Bardon Hill
- Bishops Cleeve
- Cathay
- Causeway
- City of London
- Central London
- West End
- Bristol
- East London
- Leeds
- Milton Keynes
- Stevenage
- Cambridge
- Manchester
- London
- Hertfordshire
- Berkshire
- West Yorkshire
- Greater Manchester
- Buckinghamshire
- Essex
- Surrey
- Avon
- Cambridgeshire
- South East
- North West
- South West
- Yorkshire
- Midlands
- East Anglia
- East Midlands
- North East
- Scotland
- West Midlands