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United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
15,680 api developer jobs at 5,422 companies in United States
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
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
1mo
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Senior API Developer
Tacoma, Washington, United States
$100k-$160k/yr OnsiteFull Time
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.
Java, Python, JavaScript, Spring, Flask, Node.js, OAuth 2.0, JWT
2w
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Java API Engineer
Irving, Texas, United States
$90k-$110k/yr OnsiteFull Time
8+ YOERequires 8+ years of experience with Java, Spring Boot, microservices, REST APIs, cloud platforms, messaging, databases, web development, testing, security, Docker, Kubernetes, and CI/CD.
Java, Spring Boot, REST API, AWS, Microsoft Azure, Google Cloud, Apache Kafka, AMQP, RabbitMQ, ActiveMQ, DB2, PostgreSQL, HTML5, React.js, CSS, Node.js, webpack, Jest, Selenium, Cucumber, Apigee, TLS, mTLS, OAuth 2.0, Docker, Kubernetes, Jenkins, Fortify, SonarQube, Black Duck
1mo
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API Engineer
Boulder, Colorado, United States
$80k-$110k/yr HybridFull Time
1+ YOEExperience building and maintaining APIs, data schemas/versioning, testing and CI/CD; proficiency with Git, Linux, and modern programming languages; Master's or Bachelor's plus 1-2 years API/pipeline experience.
Python, REST, JSON, OpenAPI, JSON Schema, Git, Linux, Docker, Terraform, CloudFormation, GitHub Actions, GeoJSON, GeoParquet, R, Shiny, Rust, AWS
3mo
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API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr HybridFull Time
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
3mo
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API Engineer
Scott AFB, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Backend/platform engineering with Java or Python, experience operating API gateways (Apigee, Kong, Mulesoft, AWS API Gateway), DevOps (Docker, Helm, Kubernetes, GitOps), cloud (AWS/Azure/GCP), Git/Jenkins/JIRA, and eligible for Secret clearance; HS diploma/GED required.
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
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API Developer
United States
RemoteContract
Design, develop, and support front-end, back-end, and data integration solutions; build cloud and Salesforce applications; define architecture; follow coding standards; collaborate with teams.
Salesforce
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Senior API Developer
Maryland, United States
OnsiteFull Time
5+ YOE5+ years experience building REST APIs with Java, Spring Boot, Postgres SQL; experience with AWS, containers, CI/CD pipelines, and healthcare data (FHIR) preferred.
Java, Postgres SQL, Spring Boot, AWS, Argo/CD, EKS, Tekton, ReactJS, NextJS, FHIR
3w
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API Developer III
Knoxville, Tennessee, United States
OnsiteFull Time
3+ YOERequires 3 years of API and SSIS integration experience, REST/HTTP/JSON knowledge, authentication methods, ETL and data normalization expertise, troubleshooting skills, and a bachelor's degree or equivalent experience.
Microsoft SSIS, Microsoft Office, REST, HTTP, JSON, OAuth
3mo
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API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
2+ YOEBachelor's degree in a technical field and 2+ years experience. Experience with web/API development, MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java, cloud/containerization, information systems security, and Agile.
MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java
2w
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API Developer
United States
$100k-$140k/yr RemoteFull Time
5+ YOEBachelor's degree in a technical discipline and 5 years of relevant experience required. Requires U.S. citizenship and ability to obtain Public Trust clearance; advanced AWS, Git, Java REST, Spring Boot, and SQL skills.
REST, GraphQL, Java, Python, Amazon Web Services (AWS), Git, Spring Boot, SQL, Docker, Helm, Kubernetes, Ruby
3w
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Engineer III - API Office
Tempe or St. Louis
HybridFull Time
5+ YOERequires 5+ years developing scalable applications, APIs, integrations, and web services; proficiency with Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Azure, OAS, OAuth 2.0, OpenID Connect, and CI/CD.
Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Microsoft Azure, OpenAPI Specification (OAS), OAuth 2.0, OpenID Connect, GitHub Actions, Rust, MuleSoft Anypoint Platform
1mo
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API Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related field (or 5 years' equivalent),3+ years computer experience,1+ year web/app development experience; knowledge of HTML,CGI,PERL,Javascript,Java,cloud and Salesforce.
HTML, CGI, PERL, Javascript, Java, Salesforce
2mo
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API Engineer, Mid-level
Charleston or United States
OnsiteFull Time
3+ YOEHS diploma, 3+ years backend/platform engineering with Java or Python, API platform experience (Apigee, Kong, AWS API Gateway, MuleSoft, etc.), 1+ year DevOps with Docker/Helm/Kubernetes/GitOps, cloud and API security experience, and ability to obtain DoD Secret clearance.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, MuleSoft, Docker, Helm, Kubernetes, GitOps, OAuth, JWT, CI/CD, 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
1d
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Coupa API Developer
United States
$90k-$110k/yr RemoteFull Time
5+ YOEBachelor's degree in a relevant field and 5+ years of integration engineering experience, including Coupa integrations, Coupa Integration Cloud, APIs, iPaaS, SQL, data transformation, and integration security.
Coupa Integration Cloud, Coupa Open APIs, MuleSoft, Boomi, Workato, SQL, REST, SOAP, OAuth, SAP, Oracle, NetSuite, Coupa Pay, Coupa Risk Assess, Coupa Treasury
3w
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.NET API Developer
Lutz, Florida, United States
$115k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent expertise; 3–5 years with C#, .NET 8, EF8, SQL Server, ASP.NET Core Web API, xUnit, Moq, AWS, and Azure; REST, React, OAuth, JWT, and Claude Code knowledge.
C#, .NET 8, Entity Framework, Microsoft SQL Server, ASP.NET Core Web API, xUnit, Moq, AWS, Azure, JavaScript, React, Claude Code, Swagger, AWS OpenSearch, Amazon CloudWatch, Azure Application Insights, Autofac, ASP.NET Core Dependency Injection, Fluent API, OAuth 2.0, JSON Web Token (JWT), Microsoft Entra ID, DevOps, CI/CD, Terraform, Microsoft Outlook
2d
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API & Web Integration Developer
Nicholasville, Kentucky, United States
HybridFull Time
3+ YOERequires 3+ years of API development experience, RESTful APIs, web frameworks, backend programming, SQL Server, authentication security, and strong problem-solving and communication skills.
ASP.NET, Laravel, React, Angular, Vue.js, C#, Node.js, Python, SQL Server, OAuth, JWT, Azure, AWS, GCP
2w
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DevOps/API Developer
San Antonio, Texas, United States
$90k-$100k/yr HybridFull Time
6+ YOEBachelor's degree in a technical field, six years of progressive experience, active Secret clearance, U.S. citizenship, and CompTIA Security+ CE or higher DoD IAT Level II certification required.
Jenkins, GitLab CI, GitHub Actions, Azure DevOps, Open API, Swagger, Terraform, Ansible, CloudFormation, Python, Bash, Go, Node.js, AWS, Azure, OAuth 2.0, SAML
1mo
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Principal Engineer API Platform
Minnesota or New York or Texas or Illinois
$144k-$288k/yr RemoteFull Time
10+ YOE3+ Mgmt10+ years software engineering with enterprise API design, API security (OAuth2/OIDC/mTLS), API gateways, cloud platforms, Java/Node.js, and experience shaping technical direction across teams.
OAuth 2.0, OIDC, mTLS, Apigee, Kong, Azure APIM, JavaScript, TypeScript, Node.js, React, Java, Spring Boot, GCP, AWS, Azure, GraphQL, Kafka, FHIR, HL7, MCP, CI/CD, LLM
2mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
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