15,718 api engineer jobs at 5,425 companies in United States
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API Systems Engineer
Vienna, Virginia, United States
$96k-$123k/yr HybridFull Time
Expert Java, JEE, web services, APIs, Spring Boot, cloud architecture, API security, and Agile expertise; strong troubleshooting and communication skills; bachelor's degree or equivalent experience.
Java, JEE, Web Services, APIs, SOAP Services, RESTful APIs, JSON, Spring Boot, Istio, Service Mesh, Spring Framework, Open API Specification, RAML, MCP, A2A, LLMs, Azure, AWS, GCP, Pivotal, Tanzu, Tanzu Kubernetes Grid, k8s, OAuth, SAML, JWT, OpenID Connect, Agile, SAFE, Salesforce, Oracle HCM, PeopleSoft, CRM, Dynamics, Azure DevOps
2mo
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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
1mo
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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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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
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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
2mo
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Senior API Cloud Engineer
United States
RemoteFull Time
7+ YOE7+ years software/cloud engineering (3+ years on APIs), experience designing REST/WebSocket/Webhook integrations, AWS platform expertise, Terraform and CI/CD (Azure DevOps), security/authentication knowledge, and observability with Datadog/CloudWatch.
REST, WebSocket, Webhooks, OpenAPI, Swagger, gRPC, AWS API Gateway, AWS Lambda, AWS Step Functions, AWS EventBridge, AWS SQS, AWS SNS, AWS CloudFront, AWS CloudWatch, AWS Secrets Manager, AWS Parameter Store, Terraform, Microsoft Azure DevOps, AWS CloudFormation, SAM, AWS CDK, Datadog APM, AWS X-Ray, OpenTelemetry, Node.js, Python, .NET, C#, Git, Microsoft Azure Repos, IAM, VPC, ACM, Route 53, S3, DynamoDB, Apigee, Kong, AWS API Gateway developer portal, OAuth 2.0, OpenID Connect (OIDC), HMAC, mTLS, WAF
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API Security Engineer
Cambridge, Massachusetts, United States
$146k-$234k/yr HybridFull Time
5+ YOE5+ years cybersecurity or application/platform security experience with hands-on API security, threat modeling, API risk assessment, and collaboration with engineering and platform teams.
API gateways, service meshes, reverse proxies, AI Gateway
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
1w
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Sr. Developer, API
Illinois, United States
$119k-$155k/yr RemoteFull Time
5+ YOERequires 5+ years of security engineering experience, 3+ years in cloud infrastructure security, IaC, IAM, secure cloud architecture, AI/ML security, API security, scripting, and security tooling; bachelor's degree or equivalent experience.
RESTful, GraphQL, AWS API Gateway, Kafka, AWS EventBridge, AWS Lambda, Step Functions, Auth0, Okta, OAuth 2.0, OpenAI, RAG, Google Gemini, Datadog, Terraform, AWS CDK, AWS Organizations, Control Tower, Elasticsearch, OneTrust, GitHub Actions, Azure DevOps, GitLab CI, Jenkins, CloudFormation, ARM, Kubernetes, SAST, DAST, SCA, Python, OAuth/OIDC, RBAC, SOC 2, ISO 27001, NIST, iOS, Android
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
2mo
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API Security Engineer
Berkeley Heights or Alpharetta or Coral Springs
$110k-$186k/yr OnsiteFull Time
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
1mo
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API / Integration Engineer
United States
RemoteFull Time
6+ YOEActive Top Secret clearance (Tier 5), Bachelor's in CS/Systems Engineering, 6+ years in API/integration engineering, proficiency with REST, OAuth2/SAML/JWT, Git and CI/CD; CompTIA Security+ required.
REST, OAuth2, SAML, JWT, Git, GraphQL, AWS GovCloud, CI/CD
1mo
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Senior API Developer
Maryland, United States
OnsiteFull Time
5+ YOE5+ years experience building REST APIs with Java, Spring Boot, Postgres; familiarity with AWS, containers, CI/CD, and healthcare FHIR preferred.
Java, Postgres SQL, Spring Boot, AWS Cloud, Microservices, Argo/CD, EKS Containers, Tekton pipelines, FHIR, ReactJS, NextJS
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
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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
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
1mo
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Senior API Security Engineer
Atlanta or Charlotte or Raleigh
OnsiteFull Time
7+ YOEBachelor's or equivalent, 7+ years security engineering experience, deep API security and penetration testing knowledge, familiarity with OAuth2/OIDC/mTLS/JWT, Python and cloud platforms, and experience with API security tools.
Akamai, Salt Security, ReadyAPI, Traceable, Data Theorem, OWASP ZAP, SoapUI, Burp Suite, Python, AWS, Microsoft Azure, OAuth 2.0, OpenID Connect (OIDC), mTLS, JSON Web Tokens (JWT)
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
1mo
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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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