1,642 api developer jobs at 578 companies in Waldorf, MD
3w
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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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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
1mo
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KONG/API GATEWAY SURGE ENGINEER
United States or Washington
HybridFull Time
Expertise with Kong Enterprise or comparable API gateways, API gateway implementation and migration, gateway policies, plugin configuration, developer portals, API security; experience with Kubernetes, OpenShift, Docker, GitOps, CI/CD, OAuth/JWT/OpenID Connect; bachelor’s preferred.
Kong Enterprise, Kong, Apigee, IBM API Connect, MuleSoft, Azure API Management, AWS API Gateway, Kubernetes, OpenShift, Docker, GitOps, CI/CD, OAuth, JWT, OpenID Connect
5d
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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
1mo
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API Lead
Baltimore, Maryland, United States
RemoteFull Time
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.
REST, FHIR, HL7, AWS, JSON, XML, X12
3d
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Backend API Developer
Arlington, Virginia, United States
$119k-$161k/yr OnsiteFull Time
8+ YOERequires a bachelor's degree in computer science or engineering or equivalent, 8+ years of relevant experience, U.S. citizenship, and Public Trust eligibility. Experience with scalable services, streaming, authorization, containers, cloud, and production operations.
REST, Kafka, Amazon Managed Streaming for Apache Kafka (MSK), Event Hubs, API gateways, service meshes, AWS Lambda, Azure Functions, WebSocket, server-sent events
1mo
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Application / API Lifecycle Automation Developer
Herndon, Virginia, United States
$160k-$195k/yr RemoteFull Time
5+ YOE5+ years designing and delivering API lifecycle automation, developer portals, CI/CD integrations, Zero Trust API security, and observability with documented automation metrics.
AppDynamics, ELK, OpenTelemetry, Backstage, Stoplight, Kong Dev Portal, Apigee Developer Portal, Kong, Apigee, MuleSoft, Azure API Management (Azure APIM), AWS API Gateway, CI/CD
3mo
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API/Java/Python Developer, SME TS Clearance REQUIRED
Arlington, Virginia, United States
$88k-$191k/yr OnsiteFull Time
10+ YOETS/SCI eligible with CI Poly; proficiency in Java and Python and related frameworks; API design and integration experience; database, cloud, containerization, Git, Agile experience; Bachelor's or 10+ years experience.
Java, Python, Spring Boot, Flask, Django, REST, GraphQL, SOAP, Postman, Swagger UI, PostgreSQL, MongoDB, MySQL, Git, AWS, Azure, GCP, Docker, Kubernetes
3mo
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Senior API Systems Engineer
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
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
3w
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Senior API Management Engineer-Kong Enterprise Deployment
Springfield or St. Louis
$148k-$176k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance with CI poly eligibility, Bachelor's degree or equivalent,7+ years IT experience with API management, cloud operations, Kong, AWS, OpenShift, Linux, and DevOps tooling.
Kong, AWS, OpenShift, RedHat, Linux, GitLab CI, Nexus, Habor
1mo
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API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
Python, Java, JS, C#, .NET, RESTful API, XML, SQL Server, SQL, CSV, TXT, JSON, Parquet, GCP, Apigee, Kong, Azure API Management, AWS API Gateway, LexisNexis, Oracle Mantas, Actimize, Fircosoft, Oracle Mantas, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs
3w
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Senior API Solutions Architect
Arlington, Virginia, United States
OnsiteFull Time
9+ YOE9+ years in API architecture/integration; experience with enterprise API gateways, OpenAPI/Swagger, API governance, security (OAuth2/OpenID Connect/JWT/PKI), cloud-native integrations, and mentoring teams.
Apigee, Gravitee, OpenAPI, Swagger, JSON Schema, OAuth 2.0, OpenID Connect, JWT, PKI, Kubernetes, Docker, Istio, Linkerd, CI/CD
2mo
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Senior Application Developer (DAAS API GW)
Washington or United States
RemoteContract
5+ YOEFive+ years developing applications; experience with APIs, low-code/no-code platforms, BPMN, MuleSoft; BS in related field; 8570 IAT Level I and MuleSoft certification required; active Secret clearance.
Java, HTML, Microsoft .NET, AngularJS, JavaScript, SOAP, REST API, Web Based API, BPMN, Appian, Salesforce, Nintex, MuleSoft Anypoint Platform, Microsoft SQL Server
6d
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GIS Data API Integration Engineer
Tysons or Virginia
RemoteFull Time
7+ YOEBachelor's degree in computer science or IT-related field and 7–10 years of experience with GIS data accuracy, spatial ETL, enterprise integration, spatial databases, geospatial standards, and GIS APIs.
ESRI, ArcGIS, REST, spatial databases, ETL
4d
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Application Engineer (API)
Linthicum, Maryland, United States
$225k-$235k/yr OnsiteFull Time
4+ YOERequires active TS/SCI with FSP, Python, Docker, Django or Flask, MongoDB or MariaDB, REST endpoint development, and 4–12 years of experience depending on education.
Python, Docker, Django, Flask, MongoDB, MariaDB, JSON, XML, AWS, Jira, Confluence, Git
3mo
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Tool/API Integrator
Springfield, Virginia, United States
$150k-$155k/yr OnsiteFull Time
7+ YOEUS citizen able to obtain Public Trust, bachelor\u0002s degree in CS/IT/Software Engineering, 7+ years tool integration and API development experience, ServiceNow and CSDM proficiency, ETL and XML/REST skills.
ServiceNow, Common Service Data Model (CSDM), Ins-Pi (YouDesign), REST, XML, MuleSoft, Apigee, ETL
4d
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26-2290: API Technical Lead - Baltimore, MD
Baltimore, Maryland, United States
$65k-$85k/yr OnsiteFull Time
7+ YOEBachelor's degree or equivalent experience; 7+ years of IT experience; 3+ years as a technical lead; 2+ years with FHIR and healthcare interoperability; REST, SOAP, AWS, MuleSoft, Git, Jenkins, and API security expertise.
FHIR, HL7, RESTful APIs, SOAP, AWS, MuleSoft, Service-Oriented Architecture (SOA), JSON, XML, Git, Jenkins, MuleSoft Anypoint Platform, CloudHub, API Manager, OAuth 2.0, OpenID Connect, JWT, Docker, Kubernetes, CI/CD
2mo
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Application Engineer 4 (API)
Linthicum Heights, Maryland, United States
HybridFull Time
4+ YOETS/SCI with Polygraph required. Python, Docker, Django/Flask, MariaDB or MongoDB, REST and microservices experience. Minimum 4-12 years experience depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, AWS, JSON, XML, Jira, Confluence, Git
3mo
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Software Engineer 1 (API)
Linthicum Heights, Maryland, United States
$52-$107/hr OnsiteFull Time
7+ YOEU.S. citizenship and Top Secret/SCI clearance with appropriate polygraph required; 7 years SWE experience; Bachelor’s in Computer Science (or 4 additional years of SWE experience); strong Python, Django/Flask, ReST, and database skills.
Python, Django, Flask, MariaDB, MongoDB, PostgreSQL, ReST, JSON, XML, Swagger, AWS, Docker, Visual Studio Code, Jira, Confluence, Git
6d
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Lead Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
8+ YOEBachelor's degree in a technical discipline or four additional years' relevant experience, plus 8+ years in software design and development, enterprise systems, technical leadership, and Agile delivery.
Java, Spring Framework, Spring Boot, Spring Cloud, Spring MVC, Spring Integration, Spring Batch, RESTful API, SOAP, Open API, Swagger, MuleSoft Anypoint Platform, DataWeave, Microsoft API Management (APIM), Apigee, OAuth 2.0, OpenID Connect, Microsoft Azure, AWS, Kubernetes, AKS, Docker, Oracle, PostgreSQL, SQL Server, MongoDB, Cassandra, Apache Kafka, Confluent Platform, Jenkins, Microsoft Azure DevOps, GitHub Actions, Maven, SonarQube, Artifactory, Postman, Newman, Rest Assured, TestNG, Cucumber, Splunk, ELK Stack, Kibana, Azure Monitor
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