13,673 api engineer jobs at 5,283 companies in United States

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
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
1mo
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API Engineer
Scott AFB, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
6d
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Senior API Platform Engineer
Reston, Virginia, United States
OnsiteFull Time
Akumen
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
7+ YOEBachelor's or equivalent,7+ years in enterprise API management/platform engineering, experience with API gateways, REST/JSON/XML/OpenAPI, CI/CD, cloud and container deployments, Kubernetes/OpenShift, and federal security clearance eligibility.
Kong, IBM webMethods, Apigee, MuleSoft, Azure API Management, AWS API Gateway, IBM API Connect, WSO2, Tyk, REST, JSON, XML, OpenAPI, Kubernetes, OpenShift, Docker, Azure, AWS, CI/CD, Git, AppDynamics, ELK, Grafana, OpenTelemetry
2w
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Senior API Cloud Engineer
United States
RemoteFull Time
Transflo
Transflo: Software and mobile apps for transportation and logistics management
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
3mo
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Medecision Inc. - API Engineer I
United States
$80k-$95k/yr RemoteFull Time
Medecision
Medecision: Provides cloud-based care management and population health platforms.
2+ YOE2+ years backend engineering; API design; FHIR; cloud familiarity; BS in CS or related.
FHIR, Google Cloud Platform, CI/CD, API testing, SQL, NoSQL
1w
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API Security Engineer
Cambridge, Massachusetts, United States
$146k-$234k/yr HybridFull Time
Moderna
ModernaNasdaq: MRNA: Develops and manufactures messenger RNA medicines and vaccines.
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
1mo
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API Engineer, Mid-level
Charleston or United States
OnsiteFull Time
Modus21
Modus21: A business and technology consulting firm that helps organizations align strategy, processes, and technology to solve complex problems.
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
1mo
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Professional, Sr. API Engineer
Schenectady or Rochester
$94k-$125k/yr HybridFull Time
MVP Health Care
MVP Health Care: A mission-driven not-for-profit health insurance organization focused on innovation, equity, and community health.
3+ YOEBachelor's degree or equivalent experience, 3+ years software engineering with API development, experience with REST/GraphQL/JSON/XML, Java/.NET/Python/Node.js, Microsoft Azure preferred, CI/CD and API security (OAuth2/JWT).
REST, GraphQL, JSON, XML, Java, .NET, Python, Node.js, Microsoft Azure, CI/CD, DevOps, OAuth2, JWT, OpenAPI/Swagger
2mo
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Checkmate API Developer
Clayton or Kansas City or United States
RemoteFull Time
Husch Blackwell
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
1w
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Senior API Developer
Tacoma, Washington, United States
$100k-$160k/yr OnsiteFull Time
ValidaTek
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.
Java, Python, JavaScript, Spring, Flask, Node.js, OAuth 2.0, JWT
3w
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API Security Engineer
Berkeley Heights or Alpharetta or Coral Springs
$110k-$186k/yr OnsiteFull Time
Fiserv
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
3d
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Kong / API Gateway Surge Engineer
United States
$170k-$210k/yr RemoteFull Time
SD Solutions
SD Solutions: Provides cybersecurity, IT modernization, and management consulting for government clients.
Deep Kong/Konnect or comparable API gateway experience with plugins/policies, developer portal, GitOps, observability, API migration support, CI/CD integration, documentation, and ability to obtain IRS MBI.
Kong Enterprise, Kong Konnect, GitOps, CI/CD, DevSecOps
1mo
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Senior API Systems Engineer
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
10+ YOEU.S. person with Top Secret/SCI polygraph clearance, 10+ years' relevant experience, Bachelor’s or Master’s in a STEM field, Security+ CE (DoDD 8140), 5+ years API gateway experience, proficiency with Java/Python/C#, cloud (AWS/Azure/GCP), Docker/Kubernetes.
Java, Python, C#, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Istio, Linkerd, MuleSoft, Apigee, Broadcom API, ServiceNow, Windows, Linux
17h
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Senior API Developer
Maryland, United States
OnsiteFull Time
Infinite Computer Solutions
Infinite Computer Solutions: Provides digital engineering and IT transformation services for enterprises.
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
1w
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API Engineer, Mid-Level
United States or Belleville
$100k-$150k/yr RemoteFull Time
MSM Technology
MSM Technology: Provides specialized IT infrastructure and cybersecurity services to federal agencies.
3+ YOEUS citizen with Secret clearance, HS diploma/GED, CompTIA Security+ and DOD 8570 IAT Level II, 3+ years backend/platform engineering with Java or Python, API platform and DevOps experience, and quarterly travel to Scott AFB.
Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, ZTNA, SDP, Java, Python, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, Kafka, RabbitMQ, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, Spring Data
1w
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Intermediate API Developer
Mount Laurel, New Jersey, United States
$95k-$115k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOEHands-on Java and Spring Boot experience to build REST APIs; knowledge of SQL, Hibernate/JPA, Spring Batch, Quartz, Git, Maven, CI/CD, JUnit, Agile, debugging and production support.
Java, Spring Boot, REST APIs, SQL, Hibernate/JPA, Spring Batch, Quartz, Git, Maven, CI/CD, JUnit, Agile
1w
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MuleSoft API Developer
San Francisco, California, United States
$61k-$104k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
3+ YOE3+ years as a MuleSoft API Developer; strong MuleSoft Anypoint Platform and Mule ESB experience; REST/JSON API design; integration with Salesforce; API design, deployment, testing; MuleSoft certification preferred.
MuleSoft Anypoint Platform, Mule ESB, MuleSoft Anypoint Studio, Salesforce
1mo
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API / Integration Engineer - AI Reliability Engineering
Pittsfield, Massachusetts, United States
$119k-$131k/yr RemoteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
3+ YOEBachelor’s or Master’s in CS/Engineering with 3-5+ years of experience; production API integrations; Python/Java; REST APIs; data pipelines; CI/CD; security clearance.
Python, Java, REST, APIs, Data pipelines, Docker, CI/CD, AWS, Azure, GCP, Snowflake
2mo
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Senior Healthcare API Integration Quality Engineer
Bloomfield or Franklin
$53k-$93k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOE5+ years end-to-end API/integration quality engineering; strong API testing; HL7 FHIR; Postman; Jira; Agile/SAFe; healthcare data.
Postman, Jira, Playwright, CI/CD
1w
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API Developer - Springfield, USA
Bangalore or United States
$48k-$168k/yr OnsiteFull Time, Contract
Photon: A technology employer hiring engineers to design and maintain cloud-native microservices and real-time systems.
10+ YOE10+ years backend experience with Java and Spring Boot, GCP, microservices, REST APIs, CI/CD, containerization, message brokers, and relational/NoSQL databases.
Java, Spring Boot, Spring MVC, Spring Data, Spring Security, GCP, GKE, Spanner, CRF, CI/CD, Docker, Kubernetes, REST, Kafka, RabbitMQ, MySQL, PostgreSQL, MongoDB