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Locations
Locations
Salaries
Date posted
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200 exact matches jobs are outside your preferred location
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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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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
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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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Develop API integrations (Appsflyer, Firebase, sGTM)
Develop API integrations (Appsflyer, Firebase, sGTM)
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Experience with RESTful APIs, OAuth/JWT, and API security
Experience with RESTful APIs, OAuth/JWT, and API security
FEATURED
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As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Provide technical guidance on Apigee OPDK and Apigee X for optimised API management and performance. * Develop and maintain Apigee Developer Portal and Apigee Edge for streamlined API access and lifecycle management. * Implement security protocols
As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Provide technical guidance on Apigee OPDK and Apigee X for optimised API management and performance. * Develop and maintain Apigee Developer Portal and Apigee Edge for streamlined API access and lifecycle management. * Implement security protocols
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)
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ClearCourse Technical Support Lead (Payments / API / Incident Management) * Analyse API logs, JSON payloads and system behaviour * Confident with API testing, log analysis and monitoring tools
ClearCourse Technical Support Lead (Payments / API / Incident Management) * Analyse API logs, JSON payloads and system behaviour * Confident with API testing, log analysis and monitoring tools
PREMIUM
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Experience of Python, Bash, API's
Experience of Python, Bash, API's
FEATURED
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Transparent Technology
London
£75000 - £150000 per annum
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
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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)
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Proficiency in API development, integration testing, and cross-platform troubleshooting.
Proficiency in API development, integration testing, and cross-platform troubleshooting.
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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
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
Validate API services using Postman and interpret HTTP error codes for backend integration
Validate API services using Postman and interpret HTTP error codes for backend integration
FEATURED
Troubleshoot and resolve complex technical cases involving Airtable's API, SAML/SSO, SCIM provisioning, advanced automations, scripting, and third-party integrations.
Troubleshoot and resolve complex technical cases involving Airtable's API, SAML/SSO, SCIM provisioning, advanced automations, scripting, and third-party integrations.
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Experience with microservices, OAuth2/OpenID Connect, API Gateway
Experience with microservices, OAuth2/OpenID Connect, API Gateway
Maintain and administer DevOps toolchain components including Git, Artifactory, SonarQube, and API-based scripting solutions. Proficiency in Git, Artifactory, SonarQube, and API scripting.
Maintain and administer DevOps toolchain components including Git, Artifactory, SonarQube, and API-based scripting solutions. Proficiency in Git, Artifactory, SonarQube, and API scripting.
Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
FEATURED
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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. Continually ideate, scope, develop, deliver, test and iterate features for the constantly evolving and growing API Platform. Act as subject matter expert for API Platform and services to support customer integrations on occasion
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. Continually ideate, scope, develop, deliver, test and iterate features for the constantly evolving and growing API Platform. Act as subject matter expert for API Platform and services to support customer integrations on occasion
Intricately collaborate with technical product managers and engineering leads in driving an API-first solution focusing on ledger management, FX conversion, wallets, reconciliation and payouts - Provide track record in API and payments product management ideally within Fintech, financial services and/or related B2B sectors
Intricately collaborate with technical product managers and engineering leads in driving an API-first solution focusing on ledger management, FX conversion, wallets, reconciliation and payouts - Provide track record in API and payments product management ideally within Fintech, financial services and/or related B2B sectors
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Get your API on!
Get your API on!