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121 API jobs in The City, City of London + 20 miles
660 exact matches jobs are outside your preferred location
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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Software Engineering Manager (Hands-on .Net, AWS)
Software Engineering Manager (Hands-on .Net, AWS)
Hays
SL6, Maidenhead
£75000 - £85000 per annum + £75000 - £85000
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
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Senior Software Engineer
Senior Software Engineer
Verifile Ltd
Bedford, Bedfordshire, MK44 3JZ
From £60,000 to £70,000 per annum Plus excellent benefits
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
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Experience with API-first platforms and optimizing front-end systems that consume complex API data.
Experience with API-first platforms and optimizing front-end systems that consume complex API data.
London, UK - About Us at GoCardless - GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through direct debit, real-time payments and open banking. GoCardless processes US$130bn+ of payments annually, across 30+ countries; helping customers collect and send both recurring and one-off payments, without the chasing, stress or expensive fees. We use AI-powered solutions to improve payment success and reduce fraud. And, with open banking connectivity to over 2,500 banks, we help our customers make faster, more informed decisions. We are headquartered in the UK, with additional offices in Australia, France, Ireland, Latvia, Portugal and the United States. At GoCardless, we're all about supporting you! We're committed to making our hiring process inclusive and accessible.
London, UK - About Us at GoCardless - GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through direct debit, real-time payments and open banking. GoCardless processes US$130bn+ of payments annually, across 30+ countries; helping customers collect and send both recurring and one-off payments, without the chasing, stress or expensive fees. We use AI-powered solutions to improve payment success and reduce fraud. And, with open banking connectivity to over 2,500 banks, we help our customers make faster, more informed decisions. We are headquartered in the UK, with additional offices in Australia, France, Ireland, Latvia, Portugal and the United States. At GoCardless, we're all about supporting you! We're committed to making our hiring process inclusive and accessible.
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Application Security (secure coding, API security, SAST/DAST, WAF integration).
Application Security (secure coding, API security, SAST/DAST, WAF integration).
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At BNY, our culture empowers you to grow and succeed. As a leading global financial services company at the center of the worlds financial system we touch nearly 20% of the worlds investible assets. Every day around the globe, our 50,000+ employees bring the power of their perspective to the table to create solutions with our clients that benefit businesses, communities and people everywhere. We continue to be a leader in the industry, awarded as a top home for innovators and for creating an inclusive workplace. Through our unique ideas and talents, together we help make money work for the world. This is what #LifeAtBNY is all about. Were seeking a future team member for the role of Business Analyst to join our Trustee & Depositary team. This role is located in London - Hybrid (4 days in office).
At BNY, our culture empowers you to grow and succeed. As a leading global financial services company at the center of the worlds financial system we touch nearly 20% of the worlds investible assets. Every day around the globe, our 50,000+ employees bring the power of their perspective to the table to create solutions with our clients that benefit businesses, communities and people everywhere. We continue to be a leader in the industry, awarded as a top home for innovators and for creating an inclusive workplace. Through our unique ideas and talents, together we help make money work for the world. This is what #LifeAtBNY is all about. Were seeking a future team member for the role of Business Analyst to join our Trustee & Depositary team. This role is located in London - Hybrid (4 days in office).
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
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Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
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AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
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Define and document integration standards, including API strategies, event schemas, and interface contracts to enable decoupled, reusable services * Strong proficiency in API design (REST/GraphQL), microservices architecture, and middleware solution
Define and document integration standards, including API strategies, event schemas, and interface contracts to enable decoupled, reusable services * Strong proficiency in API design (REST/GraphQL), microservices architecture, and middleware solution
You are fully versed in the Braze capabilities including but not limited to Canvas, Segments, Catalogs, Data ingestion (Via GCP, API), Customer attributes, SDK and Custom events. * CRM Expertise: Youll have a proven experience as a Braze Solution Developer along with strong knowledge of Braze and advanced services, specifically Canvas, Segments, Catalogs, Data ingestions such as; GCP, API, Custom attributes, SDK & Custom events.
You are fully versed in the Braze capabilities including but not limited to Canvas, Segments, Catalogs, Data ingestion (Via GCP, API), Customer attributes, SDK and Custom events. * CRM Expertise: Youll have a proven experience as a Braze Solution Developer along with strong knowledge of Braze and advanced services, specifically Canvas, Segments, Catalogs, Data ingestions such as; GCP, API, Custom attributes, SDK & Custom events.
You'll provide expert guidance to client engineering teams, using documentation, API specifications, and sequence diagrams to foster a deep understanding of Engine's architecture and functionalities.
You'll provide expert guidance to client engineering teams, using documentation, API specifications, and sequence diagrams to foster a deep understanding of Engine's architecture and functionalities.
There will also be opportunities to contribute to other projects, such as our customer facing API which is primarily written in Golang.
There will also be opportunities to contribute to other projects, such as our customer facing API which is primarily written in Golang.
Node.js for services and API development
Node.js for services and API development
Specifying and driving delivery with wider development team of new screens, workflows and API usage patterns
Specifying and driving delivery with wider development team of new screens, workflows and API usage patterns
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Understanding of Rest API's
Understanding of Rest API's
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
Working knowledge of APIs, API architecture, and webhooks, with the ability to understand and troubleshoot integrations.
Working knowledge of APIs, API architecture, and webhooks, with the ability to understand and troubleshoot integrations.
This role involves working across the full stack: maintaining the backend logic, handling API integrations, managing cloud infrastructure, and supporting frontend templating frameworks. * Manage OAuth 2.0 flow for app installation, token generation, and secure Shopify API calls. * Write and maintain API endpoints, using guzzlehttp/guzzle for external calls. * Proven experience with Shopify API integration (REST & GraphQL). * Experience managing scheduled jobs, webhooks, and external API calls.
This role involves working across the full stack: maintaining the backend logic, handling API integrations, managing cloud infrastructure, and supporting frontend templating frameworks. * Manage OAuth 2.0 flow for app installation, token generation, and secure Shopify API calls. * Write and maintain API endpoints, using guzzlehttp/guzzle for external calls. * Proven experience with Shopify API integration (REST & GraphQL). * Experience managing scheduled jobs, webhooks, and external API calls.
Our application stack is hosted entirely on AWS and utilizes Angular for the front end, Python/Django with AWS-managed PostgreSQL for the API, Elasticsearch for search capabilities, SageMaker for machine learning, and Python/Celery for back-end data processing.
Our application stack is hosted entirely on AWS and utilizes Angular for the front end, Python/Django with AWS-managed PostgreSQL for the API, Elasticsearch for search capabilities, SageMaker for machine learning, and Python/Celery for back-end data processing.
API testing with Postman or similar tools
API testing with Postman or similar tools
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.