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8 Contract API jobs in Welwyn Garden City + 20 miles
393 exact matches jobs are outside your preferred location
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.
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
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'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.
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.
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
Taking architectural ownership for various critical components & systems: such as building API endpoints to different microservices and implementing a big data software architecture to process large amounts of data
Taking architectural ownership for various critical components & systems: such as building API endpoints to different microservices and implementing a big data software architecture to process large amounts of data
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.
Typing is used within our Python stack to power automated documentation and API definitions * Can think about how data will pass through your software; from persistent storage through to API endpoint
Typing is used within our Python stack to power automated documentation and API definitions * Can think about how data will pass through your software; from persistent storage through to API endpoint
Hello! At MBC we keep growing and we are now looking for a Software Architect Analyst. About MBC - May Business Consulting is an international consulting firm offering advisory services in digital transformation, change management, efficiency and control. We have a customer-centric approach, getting 100% involved proactively to maximise our added value. We have offices in Spain and the United Kingdom. We work on international projects with financial institutions, fintechs and startups. About the role - We are looking for a Software Architect Analyst a professional who combines technical and analytical skills to design, evaluate and optimise software system architecture. This role is key to ensuring that technological solutions are scalable, secure, efficient and aligned with business goals. It is necessary to have previous experience in banking, especially in payments
Hello! At MBC we keep growing and we are now looking for a Software Architect Analyst. About MBC - May Business Consulting is an international consulting firm offering advisory services in digital transformation, change management, efficiency and control. We have a customer-centric approach, getting 100% involved proactively to maximise our added value. We have offices in Spain and the United Kingdom. We work on international projects with financial institutions, fintechs and startups. About the role - We are looking for a Software Architect Analyst a professional who combines technical and analytical skills to design, evaluate and optimise software system architecture. This role is key to ensuring that technological solutions are scalable, secure, efficient and aligned with business goals. It is necessary to have previous experience in banking, especially in payments
API testing with Postman or similar tools
API testing with Postman or similar tools
As a software engineer in platform development you will be part of a team responsible for the development of the API and database layer, effectively doing the bookkeeping for the entire Gorilla product, thereby enabling our pricing, forecasting and portfolio analytics applications to provide the insights necessary to enable customer decisions at scale.
As a software engineer in platform development you will be part of a team responsible for the development of the API and database layer, effectively doing the bookkeeping for the entire Gorilla product, thereby enabling our pricing, forecasting and portfolio analytics applications to provide the insights necessary to enable customer decisions at scale.
Lead data engineering & platform initiatives across onshore & offshore teams (Data Engineers, DB Admin, API Integration).
Lead data engineering & platform initiatives across onshore & offshore teams (Data Engineers, DB Admin, API Integration).
By providing seamless, API-driven access to global financial services, OpenPayd enables businesses to move and manage money globally. The OpenPayd platform delivers a full suite of banking and payments services, including payment accounts, trading capabilities, international and domestic payments and Open Banking services - all accessible via a single API.
By providing seamless, API-driven access to global financial services, OpenPayd enables businesses to move and manage money globally. The OpenPayd platform delivers a full suite of banking and payments services, including payment accounts, trading capabilities, international and domestic payments and Open Banking services - all accessible via a single API.
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
Experience defining product functional specifications including API, CLI and GUI
Experience defining product functional specifications including API, CLI and GUI
SQL, API integration skills, or experience with workflow automation.
SQL, API integration skills, or experience with workflow automation.
Experience with AWS and GCP cloud security services, including WAF, API gateways, key management services, and secret managers.
Experience with AWS and GCP cloud security services, including WAF, API gateways, key management services, and secret managers.
Lead .NET Engineer (Multi-Stack Oversight)
Lead .NET Engineer (Multi-Stack Oversight)
WITH INTELLIGENCE LIMITED
City of London, London
Competitive
About Us - With Intelligence is a leading provider of data and insights for the global asset management industry. We are scaling up our technological capabilities, harnessing the power of advanced data systems, AI, and modern cloud-based infrastructure to build a flexible, event-driven platform that supports our growing suite of digital products. We're assembling a top-tier London-based engineering team to lead this transformation. This role offers the opportunity to be a key contributor to our technology evolution, leveraging your deep .NET experience to influence product direction, mentor teams, and ensure our systems are robust, scalable, and modern. Role Overview - As a .Net Specialist you will be leading teams in the design, development, and implementation of software solutions using the .NET framework. You will act as a technical authority across multiple produc
About Us - With Intelligence is a leading provider of data and insights for the global asset management industry. We are scaling up our technological capabilities, harnessing the power of advanced data systems, AI, and modern cloud-based infrastructure to build a flexible, event-driven platform that supports our growing suite of digital products. We're assembling a top-tier London-based engineering team to lead this transformation. This role offers the opportunity to be a key contributor to our technology evolution, leveraging your deep .NET experience to influence product direction, mentor teams, and ensure our systems are robust, scalable, and modern. Role Overview - As a .Net Specialist you will be leading teams in the design, development, and implementation of software solutions using the .NET framework. You will act as a technical authority across multiple produc