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20 Contract API jobs in Shoreditch, East London + 20 miles
149 exact matches jobs are outside your preferred location
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Hands-on .NET experience, including C# and ASP.NET WEB API.
Hands-on .NET experience, including C# and ASP.NET WEB API.
Architect and develop scalable and performant mission critical web applications using Next.js for front-end and Node.js for API development.
Architect and develop scalable and performant mission critical web applications using Next.js for front-end and Node.js for API development.
Experience of RESTful API design
Experience of RESTful API design
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
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Understanding and/or experience in managing API-based software businesses
Understanding and/or experience in managing API-based software businesses
Strong API development and database experience (Postgres/Oracle + SQL).
Strong API development and database experience (Postgres/Oracle + SQL).
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The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
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Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
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Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
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Test Automation: Build and maintain robust, scalable test automation frameworks for API, integration, and end-to-end tests within the MLOps pipeline. * Experience with automation tools (e.g., Selenium, Playwright, Cypress) and API testing tools (e.g., Postman, REST Assured).
Test Automation: Build and maintain robust, scalable test automation frameworks for API, integration, and end-to-end tests within the MLOps pipeline. * Experience with automation tools (e.g., Selenium, Playwright, Cypress) and API testing tools (e.g., Postman, REST Assured).
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Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
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Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
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Experience with real-time model inference and API development (e.g., FastAPI, Flask).
Experience with real-time model inference and API development (e.g., FastAPI, Flask).
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
The Tyk API Management platform is helping to drive the connected world and power new products and services. Weve started by building an API Management platform. As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, youll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. * Contribute to the direction of dashboard UI development and API functionality * Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) * API management experience
The Tyk API Management platform is helping to drive the connected world and power new products and services. Weve started by building an API Management platform. As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, youll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. * Contribute to the direction of dashboard UI development and API functionality * Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) * API management experience
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API Interaction: Familiarity with APIs, particularly in Python
API Interaction: Familiarity with APIs, particularly in Python
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
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Hands-on experience with AWS Bedrock or similar AI service platforms (OpenAI API, Azure AI, etc.) * AWS fundamentals - comfortable with Lambda, S3, API Gateway, and basic cloud architecture
Hands-on experience with AWS Bedrock or similar AI service platforms (OpenAI API, Azure AI, etc.) * AWS fundamentals - comfortable with Lambda, S3, API Gateway, and basic cloud architecture
SharePoint CSOM API * SharePoint Rest API v1 & 2
SharePoint CSOM API * SharePoint Rest API v1 & 2
On a day to day basis, you'll be working closely with retail & manufacturing teams to discover, develop and support the systems they need, you will be building API first backend services to support frontend development and architect system integrations to allow for easy data flow across the business.
On a day to day basis, you'll be working closely with retail & manufacturing teams to discover, develop and support the systems they need, you will be building API first backend services to support frontend development and architect system integrations to allow for easy data flow across the business.