636 rest api jobs at 292 companies in Leesburg, VA
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
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
3w
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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
2mo
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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
1w
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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
1w
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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
3w
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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
1d
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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
1w
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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
1mo
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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
2w
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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
11h
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Senior Developer TS/SCI
Reston, Virginia, United States
$130k-$230k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance, 5+ years of ServiceNow development, ITSM expertise, JavaScript, REST/SOAP, APIs, ServiceNow scripting, secure SDLC, certifications, and Agile/Scrum experience.
ServiceNow, ITSM, ITOM, ITAM, JavaScript, REST, SOAP, APIs, CMDB, SecOps, Discovery, HAM/SAM, Agile, Scrum, DevOps, HSA, FSA
3d
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Senior Integration Software Engineer
Annapolis Junction, Maryland, United States
$190k-$240k/yr OnsiteFull Time
12+ YOETS/SCI with polygraph, bachelor\u0002s degree and 12+ years software engineering experience, Java and integration experience, REST/SOAP APIs, Docker, Linux, cloud and enterprise application sustainment.
Java, AWS, MySQL, ASP.Net, Linux, SpringBoot, Docker, Angular, Git, GitLab, Atlassian Tool Suite, Oracle, SQL Server, Kubernetes, REST, SOAP, APIs
2w
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Senior Technical Solutions Engineer
Knoxville or Tysons Corner or United States
RemoteFull Time
5+ YOE5+ years software engineering experience, strong scripting (Python/Bash), experience with cloud (AWS/GCP/Azure), integrations and REST APIs, customer-facing technical skills, and U.S. citizenship required.
Python, Bash, C#, Golang, Rust, Angular, SQL, Typescript, Java, JavaScript, AWS, GCP, Azure, Docker, Kubernetes, REST, APIs
1w
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System Database Developer - SecDevOps
Bethesda, Maryland, United States
HybridFull Time
5+ YOEBachelor's degree, 5+ years working with APIs (SOAP/REST), systems integration/DevSecOps experience, dashboard and workflow development, familiarity with cybersecurity tools and cloud services, ability to obtain Public Trust.
APIs, SOAP, REST, SharePoint, Splunk, ServiceNow, PostgreSQL, SQL, MySQL, Java, PHP, Python, JavaScript, C++, Excel, VBA, Red Hat, Oracle
3d
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Integration Consultant
Washington, District of Columbia, United States
RemoteFull Time
5+ YOE5+ years enterprise integration experience, 3+ years with SAP Concur, expertise in REST/SOAP APIs, middleware, XML/JSON/XSLT, authentication protocols, Federal security requirements, US citizenship and ability to obtain Public Trust.
SAP Concur, REST, SOAP, API, XML, JSON, XSLT, OAuth, SAML, JWT, SAP Integration Suite (CPI), MuleSoft, Dell Boomi, Microsoft Azure Integration Services, IBM App Connect, Oracle Integration Cloud (OIC), Okta, Azure AD, Entra ID, Ping Identity, Active Directory, DevOps, CI/CD
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