21,331 api jobs at 7,227 companies in United States
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API Consultant
United States or London or New York City or Berlin or Tokyo or Hamburg
HybridFull Time
Statista: Global business data platform providing statistics and market insights.
Pre-sales or technical consulting experience with APIs, strong presentation and demo skills, hands-on building of agents/workflows, familiarity with REST APIs/JSON and authentication methods, strong communication and analytical skills.
Global Alliant: Provides IT modernization and software development for government agencies
Design, develop, and maintain REST APIs and enterprise integrations using FHIR/HL7, cloud (AWS preferred), and data mappings between JSON, XML, X12 and flat files.
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
Mistras GroupNYSE: MG: Industrial asset protection and non-destructive testing services.
2+ YOEAPI inspector with 2+ years of hands-on API experience; API certifications; high school diploma or equivalent; proficient with MS Word and Excel; ability to lift 30 lbs; able to climb and work at heights; outdoor plant environment work.
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
12+ YOEExtensive API and microservices architecture experience, API security (OAuth2, JWT), CI/CD, Docker/Kubernetes, event-driven systems (Kafka/RabbitMQ); 12+ years experience.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Experienced backend/platform engineer designing, deploying, and operating enterprise API platforms; Java or Python; Docker, Helm, Kubernetes, GitOps; API gateways and cloud (AWS/Azure/GCP); Secret clearance; HS diploma or GED.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring Boot, Spring Data, Kafka, RabbitMQ
Team Industrial ServicesNYSE: TISI: Provides industrial asset integrity, inspection, and maintenance services.
Active API certification (e.g., API 510/570/653), high school diploma or GED, valid driver\u0002s license, ability to obtain TWIC/DISA, ability to lift 50 lbs and work in confined/elevated field environments, strong written/verbal communication.
Infinite Computer Solutions: Provides digital engineering and IT transformation services for enterprises.
5+ YOE5+ years API/middleware testing experience, proficiency with Postman/Insomnia/Hoppscotch/Bruno, SQL knowledge, test strategy and test data planning, B.E/B.Tech required.
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
Advanced experience developing .NET APIs using C# and ASP.NET Web API, CI/CD deployment, API packaging and testing, troubleshooting production defects; Azure and AI tool experience preferred.
Microsoft .NET Framework, Microsoft .NET Core, C#, ASP.NET Web API, OAuth, JWT, Azure, Azure API Management, CI/CD, AI tools
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
2+ YOEMaster's in CS/Information Systems required; 2+ years software development experience. Must have .NET/.NET Core, C#, SQL Server, Entity Framework Code First, REST/JSON, Azure Function Apps, Microsoft Azure Web/Api/Logic Apps, ETL, unit testing, and Power BI experience.
.NET, .NET Core, C#, SQL Server, Entity Framework Code First, REST API, JSON, ETL, Azure Function Apps, Microsoft Azure Web Apps, Microsoft Azure Api Apps, Microsoft Azure Logic Apps, Microsoft Power BI
ValidaTek: Provides IT modernization and systems engineering for federal agencies.
7+ YOE7+ years API development experience, strong API design and security knowledge, proficiency with Java/Python/JavaScript and frameworks, CI/CD and testing experience, DoD clearance preferred.
MVP Health Care: A mission-driven health care organization focused on improving community health.
6+ YOE6+ years API/REST development in C#, 5+ years Azure or cloud, strong API architecture leadership, security, testing, DevOps, Git, SQL, REST, and Agile practices.
C#/.NET, JSON, REST, API Management, SQL, GraphQL, Microservices, Swagger, Azure, Containers/Kubernetes, API Gateway, Git
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
5+ YOE5+ years IT/cyber experience; strong API security knowledge (OAuth2/OIDC, JWT), runtime protection (API gateways, WAF/WAAP, service mesh), CI/CD automation, telemetry/analytics, and ability to align controls to industry frameworks. Bachelor’s preferred or equivalent.
Traceable, Salt Security, NoName, Open API, JSON Schema, OAuth2, OIDC, JWT, mTLS, API gateways, WAF, WAAP, service mesh, ingress controllers, CI/CD, policy-as-code, SAST, DAST, Git, FAPI, NIST, ISO 27001, PCI DSS, OWASP