New Carrollton • 50 milesRemote · Hybrid · Onsite · Field · All Environments
New Carrollton • 50 milesRemote · Hybrid · Onsite · Field · All Environments
New Carrollton • 50 milesRemote · Hybrid · Onsite · Field · All Environments
New Carrollton • 50 milesRemote · Hybrid · Onsite · Field · All Environments
2,071 api jobs at 732 companies in New Carrollton, MD
2w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
API Technical Lead
Baltimore, Maryland, United States
OnsiteFull Time
Design and implement FHIR/HL7 APIs and enterprise integration solutions, guide architecture and standards, mentor teams, and ensure scalable, secure interoperability.
FHIR, HL7, HL7v2, X12, JSON, XML, AWS, SOA
2mo
Save
Mark Applied
Hide
API Postman Tester - 6237166
Arlington or Cleveland or California or Colorado or District of Columbia or Illinois or Minnesota or Maryland or Massachusetts or New York or New Jersey or Washington
$70-$80/hr OnsiteFull Time
5+ YOE5+ years hands-on Postman experience, API test automation (Postman scripting/Newman), strong API/JSON/REST knowledge, Swagger/OpenAPI familiarity, banking domain experience, and strong analytical and communication skills.
Postman, Newman, Swagger/OpenAPI, JSON
1w
Save
Mark Applied
Hide
API Implementation Specialist
Washington, District of Columbia, United States
$95k-$110k/yr HybridFull Time
2+ YOERequires 2+ years in technical implementation or client onboarding, Postman, JSON, REST APIs, webhooks, API testing, strong communication and analytical skills, and a bachelor's degree or equivalent experience.
Postman, JSON, REST APIs, webhooks
2w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
API Gateway Engineer (Kong)
Herndon, Virginia, United States
$170k-$210k/yr RemoteFull Time
Deep Kong (Enterprise/Konnect) experience, API migration and CI/CD integration skills, federal delivery and documentation experience, active IRS Minimum Background Investigation and U.S. citizenship required.
Kong Enterprise, Kong Konnect, GitOps, CI/CD, DevSecOps
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
Senior API Management Engineer - Kong Enterprise Deployment
Springfield or St. Louis
OnsiteContract
7+ YOEBachelor's degree in IT, computer science, or related technical field; 7+ years of IT experience; Kong Enterprise, AWS, Linux, DevOps, Agile/Scrum, CI tools, and TS/SCI clearance required.
Kong, AWS, Linux, RedHat, CentOS, DevOps, Agile, Scrum, GitLab CI, Nexus
2w
Save
Mark Applied
Hide
Full Stack API Developer- TS/SCI with Polygraph
Chantilly, Virginia, United States
$187k-$253k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOE15+ years experience in full stack Java development, experience with ArangoDB, JIRA, Spring Boot, Mongo, AWS, JavaScript/TypeScript, Angular, REST; TS/SCI with polygraph required; BA/BS or equivalent.
ArangoDB, Atlassian JIRA, Java, Spring Boot, Mongo, AWS services, JavaScript, TypeScript, Angular, REST, Elasticsearch, OAuth 2.0
2w
Save
Mark Applied
Hide
Full Stack API Developer- TS/SCI with Polygraph
Chantilly, Virginia, United States
$187k-$253k/yr OnsiteFull Time
15+ YOETS/SCI+Polygraph clearance, 15+ years experience, strong Java full‑stack background, Spring Boot, Mongo, AWS, JavaScript/TypeScript, Angular, REST, ArangoDB, and JIRA experience.
ArangoDB, Atlassian JIRA, Java, Spring Boot, Mongo, AWS, JavaScript, TypeScript, Angular, REST, Elasticsearch, OAuth 2.0
3mo
Save
Mark Applied
Hide
Senior Architect, API Platforms
Washington, District of Columbia, United States
$150k-$160k/yr HybridFull Time
10+ YOESenior API architect with 10+ years in software/integration/API architecture; MuleSoft expertise; cloud and SaaS integration; design, governance, and enterprise API strategy.
MuleSoft, AWS, Azure, GCP, API Management
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Account Executive - API Platform
Washington or San Francisco or United States
$172k-$250k/yr OnsiteFull Time
5+ YOE5+ years full-cycle AE experience at SaaS/API companies, track record closing mid-market/SME, CRM discipline (Salesforce), comfortable selling to technical buyers, strong pipeline and outbound skills.
Salesforce, Synchronizer API, EHR/PMS, CRM
3mo
Save
Mark Applied
Hide
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