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
694 rest api jobs at 317 companies in New Carrollton, MD
3w
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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
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
1w
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API Postman Tester - 6237166
Vienna or Arlington or California or Cleveland or Colorado or United States or Illinois or Maine or Minnesota or Maryland or Massachusetts or New York or New Jersey or Virginia or Washington
$70-$80/hr HybridFull Time, Contract
5+ YOERequires 5+ years of hands-on Postman experience, API test automation, RESTful APIs, JSON, Swagger/OpenAPI, banking or financial services knowledge, and strong analytical and collaboration skills.
Postman, JSON, Newman, RESTful APIs, Swagger, OpenAPI, GitLab CI/CD, Microsoft Azure DevOps Test Plans, SoapUI
1w
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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
2mo
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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
3mo
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Tool/API Integrator
Springfield, Virginia, United States
$139k-$236k/yr OnsiteFull Time
7+ YOEUS citizenship, ability to obtain Public Trust clearance, bachelor’s in CS/IT/SE, 7+ years in tool integration and API development, ServiceNow/CSDM experience, strong problem-solving and collaboration.
REST, XML, ETL, APIs, ServiceNow, CSDM (Common Service Data Model), Ins-Pi (YouDesign), EA Repository, metamodel
1mo
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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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API LIFE CYCLE AUTOMATION DEVELOPER
United States or Washington
HybridFull Time
Develop automated API onboarding, lifecycle management, deployment automation, developer self-service; experience with API lifecycle, onboarding, developer portals, automation, REST APIs, IaC, CI/CD.
Jenkins, GitHub Actions, GitLab, Terraform, Ansible, Kubernetes, OpenShift, YAML, JSON, Python, Java, Git
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
2w
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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
2w
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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
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
1mo
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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
1w
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Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
16+ YOEBachelor's degree and 16+ years designing enterprise systems, cloud architectures, and API solutions, including 5+ years with API gateways. Requires active TS/SCI with CI Polygraph and Security+ CE.
REST, GraphQL, AWS, Microsoft Azure, Java, Python, C#, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, ServiceNow, Windows
3w
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Data Conversion Developer
Washington, District of Columbia, United States
$100k-$203k/yr RemoteFull Time
Design and build data‑migration/ETL for Oracle Cloud using SQL/PLSQL, FBDI, APIs and REST; map, validate, and execute cutovers; US citizenship required.
SQL, PL/SQL, Oracle Cloud FBDI, APIs, REST, ADF DI, Oracle Cloud, Oracle EBS
3w
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Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)
McLean or Plano or Richmond
$179k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree and >=4 years software engineering experience; cloud experience (AWS/Azure/GCP); experience with Java/Python/Go and cloud security; familiarity with AI-assisted tooling and on-call incident response.
Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS, AWS Lambda, DynamoDB, Application Load Balancers, Scala, Node.js, Microsoft Azure, Google Cloud, AI
3w
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Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)
McLean or Richmond or Plano
$179k-$225k/yr OnsiteFull Time
4+ YOE1+ MgmtBachelor's degree, 4+ years of professional software engineering, 1+ year cloud experience, and proficiency in Java, Python, Go, or related technologies; people management preferred.
Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS, Microsoft Azure, Google Cloud, AWS Lambda, Application Load Balancer, DynamoDB, Node.js
3w
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Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)
McLean or Richmond or Plano
OnsiteFull Time
4+ YOEBachelor's degree and 4+ years of professional software engineering experience required, including 1+ year with cloud computing. Preferred: 7+ years in Java, Python, Go, or related languages.
Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS, Microsoft Azure, Google Cloud, AWS Lambda, Application Load Balancers, DynamoDB, AI coding assistants, AI-driven analysis tools, infrastructure-as-code, Agile
2mo
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Associate Technical Analyst
Minneapolis or Herndon
$62k-$92k/yr OnsiteFull Time
2+ YOE2+ years technical analyst experience; proficiency with REST/APIs, JSON, SQL, SSO, relational and non-relational databases; on-call rotations; Bachelor's degree strongly preferred.
Workforce Edge, Sophia, Salesforce, REST, APIs, JSON, SQL, SSO