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124 Permanent API jobs in Holborn, Central London + 20 miles
672 exact matches jobs are outside your preferred location
Minimum of 5 years experience as a C# Developer with proficiency in Python, .NET framework and C# as well as experience with ML.NET, ASP.NET, MVC, Web API Containers (Docker/Kubernetes), Machine Learning Operations (MLOps) and CI/CD
Minimum of 5 years experience as a C# Developer with proficiency in Python, .NET framework and C# as well as experience with ML.NET, ASP.NET, MVC, Web API Containers (Docker/Kubernetes), Machine Learning Operations (MLOps) and CI/CD
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Replacement of current EDI provider for EMEA, with delivery through new global API led integrations - Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
Replacement of current EDI provider for EMEA, with delivery through new global API led integrations - Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
Replacement of current EDI provider for EMEA, with delivery through new global API led integrations * Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
Replacement of current EDI provider for EMEA, with delivery through new global API led integrations * Rollout of B2B E-Invoicing compliance for Belgium, France and Germany with transition to new global API led integrations.
Experience in REST API service development a plus
Experience in REST API service development a plus
Experience in consuming a RESTful API.
Experience in consuming a RESTful API.
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Manage the Kong API Gateway to allow external ingress traffic into the DataCamp Platform. * You have experience with API-gateways or service meshes (Kong, Istio, etc)
Manage the Kong API Gateway to allow external ingress traffic into the DataCamp Platform. * You have experience with API-gateways or service meshes (Kong, Istio, etc)
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Partner with Engineering for API-driven integrations and maintain data connectors to our dashboard. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Partner with Engineering for API-driven integrations and maintain data connectors to our dashboard. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
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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Knowledge of database testing and API testing methodologies.
Knowledge of database testing and API testing methodologies.
Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
Experience in API design, integration, and management for building systems interoperability, including RESTful services, GraphQL, and real-time data streaming protocols.
APIs: Implement API security best practices (rate limiting, authentication, input validation)
APIs: Implement API security best practices (rate limiting, authentication, input validation)
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
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.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
You enjoy sweating the details of both user experience and API design.
You enjoy sweating the details of both user experience and API design.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
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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Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. 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. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. 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. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
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Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
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IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
InfinityQuest Ltd,
Europe
Unspecified
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop