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56 API jobs in South East London + 20 miles
202 exact matches jobs are outside your preferred location
Experience in consuming a RESTful API.
Experience in consuming a RESTful API.
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We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
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AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
AI-driven search to enable discoverability - leveraging the changing nature of SEO, and the impact of the change in mechanism away from index-based search to structured data/API-first web models and how AI and search agents (like ChatGPT or Perplexity) change how users find content
You enjoy sweating the details of both user experience and API design.
You enjoy sweating the details of both user experience and API design.
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Ability to learn and speak to eBays API, feeds, and other pathways for onboarding
Ability to learn and speak to eBays API, feeds, and other pathways for onboarding
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Knowledge of API integration for interaction on the React app
Knowledge of API integration for interaction on the React app
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API calls, metadata and orchestrating principles
API calls, metadata and orchestrating principles
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Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
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Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
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Automated end-to-end and API testing tools and techniques
Automated end-to-end and API testing tools and techniques
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Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
Cloud Security: Strong knowledge of AWS and Azure, especially services like WAF, Shield, IAM, and API Gateway
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Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
Investigate and resolve production issues promptly from user interface (UI) through to application logic (API & database) and infrastructure
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Collaborate with backend teams on API integration and implementation - Experience with state management solutions (Context API)
Collaborate with backend teams on API integration and implementation - Experience with state management solutions (Context API)
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Experience creating RESTful APIs and ensuring API extensibility.
Experience creating RESTful APIs and ensuring API extensibility.
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Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
Due to continued success, they are looking to grow one of their key software engineering teams working on some of their most successful SaaS products. The Senior C# Software Engineer will join an established team developing business logic for Windows based products. Key experience * Extensive commercial experience in C# Windows programming * Multithreading / TPL * XML * SQL * Version control * Unit testing Experience in any of the following areas would be advantageous but is not a prerequisite * WIX installers * Windows services eg Active Directory, Exchange etc * Client-server architecture development * M365 APIs If you are seeking a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
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Show technical leadership, by identifying best practices for API integration and assisting customers with their implementation
Show technical leadership, by identifying best practices for API integration and assisting customers with their implementation
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Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
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Web Services and API knowledge and understanding of conceptual use.
Web Services and API knowledge and understanding of conceptual use.
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In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
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This includes proficiency with Anypoint Studio, DataWeave for data transformation, and API-led connectivity design principles (RAML or OAS for defining APIs). Strong grasp of RESTful API design, SOAP services, and integration patterns. Familiar with data formats like JSON and XML for API communication. Experience implementing secure APIs (OAuth2.0, JWT) and managing APIs through MuleSofts API manager or similar.
This includes proficiency with Anypoint Studio, DataWeave for data transformation, and API-led connectivity design principles (RAML or OAS for defining APIs). Strong grasp of RESTful API design, SOAP services, and integration patterns. Familiar with data formats like JSON and XML for API communication. Experience implementing secure APIs (OAuth2.0, JWT) and managing APIs through MuleSofts API manager or similar.
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Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
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Company Description - Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no ones ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where were going. How we get there is up to us. Join us and help Take Us There. The Role - We are looking for a Senior Technical Product Manager (TPM) to join our software engineering team who will play a key role in the successful delivery of software across our next generation trading platform. This role differs from traditional Product roles in that it reports into the Technology organization rather t
Company Description - Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no ones ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where were going. How we get there is up to us. Join us and help Take Us There. The Role - We are looking for a Senior Technical Product Manager (TPM) to join our software engineering team who will play a key role in the successful delivery of software across our next generation trading platform. This role differs from traditional Product roles in that it reports into the Technology organization rather t
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We're creating a health and wellness experience that fits seamlessly into people's lives and we're using modern tech to get there. Whether it's through speed, convenience, or personalisation, we're building smarter, faster, and more engaging experiences for our customers both online and in-store. We're a cloud-first, automation-loving, build-over-buy kind of team. We move fast, collaborate deeply, and always keep our focus on delivering for our customers. About the Role - We're looking for a Senior Software Engineer to join our Loyalty Team within the BX Online vertical. This is a key moment in our journey we're wrapping up a multi-year digital transformation and embarking on the next big phase: designing and building a completely new customer loyalty proposition. You'll work across the full development lifecycle, contributing to roadmap features, shaping product dire
We're creating a health and wellness experience that fits seamlessly into people's lives and we're using modern tech to get there. Whether it's through speed, convenience, or personalisation, we're building smarter, faster, and more engaging experiences for our customers both online and in-store. We're a cloud-first, automation-loving, build-over-buy kind of team. We move fast, collaborate deeply, and always keep our focus on delivering for our customers. About the Role - We're looking for a Senior Software Engineer to join our Loyalty Team within the BX Online vertical. This is a key moment in our journey we're wrapping up a multi-year digital transformation and embarking on the next big phase: designing and building a completely new customer loyalty proposition. You'll work across the full development lifecycle, contributing to roadmap features, shaping product dire
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A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
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