3w
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Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
16+ YOEActive DoD TS/SCI with CI Poly required, Security+ CE per DoD 8140, Bachelor's degree, 16+ years systems engineering experience, API gateway and cloud integration expertise, programming experience in Java/Python/C# and EMR of secure enterprise systems.
REST, GraphQL, AWS, Azure, Java, Python, C#, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, MBSE, Windows, ETL
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
2mo
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Pega System Architect
Fort George G Meade or Sterling or Huntsville
OnsiteFull Time
3+ YOEBachelor's in CS/IT/Engineering; CPSA; 3+ years software/enterprise app dev; 2+ years Pega; TS/SCI clearance; REST/SOAP/APIs; Agile; DoD/government experience preferred.
Pega Platform, REST, SOAP, APIs, Java, JavaScript, SQL
4w
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Software Integration Engineer
Warrenton or Fort Eisenhower or Centennial or Augusta
$150k-$200k/yr OnsiteSeasonal
8+ YOEU.S. citizen with active TS/SCI, Bachelor's in CS/IS/Software Engineering, minimum 8 years relevant experience, end-to-end API/integration ownership, experience with REST/SOAP/GraphQL and Kafka/Azure Service Bus/SQS.
APIs, REST, SOAP, GraphQL, Kafka, Azure Service Bus, SQS
2mo
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DS Systems Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Strong Java and data processing skills; ETL, SQL, and REST APIs in Big Data/cloud environments.
Java, J2EE, EJB, JDBC, Spring, REST, ETL, Linux, Cloud, Hadoop, Elasticsearch
1mo
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Full-Stack Applications Developer (22685)
Herndon, Virginia, United States
OnsiteFull Time
Experience building web services in Java and JavaScript/Angular; REST APIs; SQL databases; TS/SCI with Polygraph; Agile;\nMicroservices.
Java, JavaScript, Angular, Node.js, Spring Boot, Hibernate, Grails, PostgreSQL, MySQL, AWS, REST, XML, JSON, Git, GitHub, GitLab, Jenkins, SQL, Microservices, Typescript
2mo
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Automation Test Engineer
Chantilly, Virginia, United States
$145k-$218k/yr OnsiteFull Time
2+ YOE2-5 years of software testing; automated testing frameworks; REST API testing; CI/CD; Git; agile; strong communication.
Cypress, Playwright, Selenium, Jest, Mocha, Postman, REST, Assured, Supertest, k6, JMeter, Gatling, Pact, Docker, Kubernetes, Go, Node.js, Python, Cucumber, SpecFlow, AWS
2mo
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Systems Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Java development, data ingestion/ETL, data lifecycle in Big Data, REST APIs, Linux/Cloud environments; SQL/DB experience.
Java, J2EE, EJB, JDBC, Spring, REST, ETL, Linux, Cloud, Hadoop, HBase, MapReduce, Elasticsearch, SQL, JDK, Data Ingestion, Data Transformation
3mo
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IT Specialist (APPSW) - .NET - DHA
Denver or Urbana or Woodlawn or Durham or Wilkes Barre
$91k-$140k/yr OnsiteFull Time
1+ YOEIT specialist with .NET/.NET Core experience, REST APIs, SQL Server, and frontend skills; familiarity with AI tools and security controls preferred.
C#, NET Core, NET Framework, Entity Framework, MVC, JavaScript, AJAX, jQuery, Bootstrap, HTML, CSS, SQL Server, Visual Studio, Azure DevOps, Git, JSON, REST API
3mo
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Backend Java Engineer - Clearance Required
Herndon or Chantilly
OnsiteFull Time
Backend Java experience, Spring or Spring Boot, CI/CD, AWS CodeBuild/Jenkins/GitHub Actions, REST APIs, containerization, and data platform integration.
Java, Spring, Spring Boot, CI/CD, AWS, CodeBuild, Jenkins, GitLab CI, GitHub Actions, REST, HTTP, DevSecOps, Terraform, OpenSearch / Elasticsearch / Solr, Kubernetes, Docker
3mo
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Senior ServiceNow Developer
Chantilly, Virginia, United States
$180k-$230k/yr OnsiteFull Time
6+ YOE6–10 years ServiceNow development; JavaScript, Glide API; REST/SOAP; CMDB; DoD/IC experience; TS/SCI clearance; US Citizenship.
ServiceNow, JavaScript, Glide API, Script Includes, Business Rules, Client Scripts, UI Policies, Flow Designer, Integration Hub, REST, SOAP, MID Server, JDBC, CMDB, Discovery, Service Portal, AngularJS, HTML, CSS, Bootstrap
3mo
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Java Software Engineer - Space Domain
Herndon or Aurora
$104k-$166k/yr OnsiteFull Time
5+ YOE5+ years related experience; TS/SCI with poly; 2+ years Java; microservices/containers; Spring; REST APIs; Linux/Windows; DoD 8570; Security+ or CISSP preferred.
Java, Docker, Kubernetes, Spring, Spring Boot, REST, Linux, Windows, Apache NiFi, Apache Kafka, Jira, Confluence, Git, GitLab, DoD 8570
3mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
12+ YOEActive TS/SCI with Polygraph; BS with 12+ years; full stack dev; Java, Spring Boot, Angular, AWS; REST API; Git/Jenkins/Selenium; RH Linux.
Java, Spring Boot, Angular, TypeScript, AWS, Git, Jenkins, Selenium, Rundeck, RH Linux, REST API
1mo
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QA Automation Tester
Reston, Virginia, United States
HybridFull Time
8+ YOEBachelors and 8+ years QA automation experience with Selenium, Playwright, Python, API testing (REST/SOAP), SQL, JMeter, Git; experience integrating AI-based test automation; US citizenship required.
Selenium, Playwright, BlinqIO, TestMu, REST, SOAP, SQL, JSON, XML, JMeter, Python, Microsoft PowerShell, Bash, Git, Windows
2mo
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Machine Learning Engineer (Clearance Sponsorship)
Chantilly, Virginia, United States
$113k-$238k/yr OnsiteFull Time
5+ YOETS/SCI with Poly; BS in CS/Software Eng/Data Science; 5+ years in software or ML; Python; Git; Docker; ML/deployment; LLMs; vector DBs; REST APIs; SQL/NoSQL.
Python, Git, Docker, LangChain, LangGraph, REST, SQL, NoSQL, ChromaDB, Pinecone, Weaviate, Kubernetes, Ansible
1w
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Salesforce Developer IV
Reston, Virginia, United States
$87k-$145k/yr OnsiteFull Time
3+ YOE3+ years Salesforce development using Apex, LWC, Visualforce, SOQL, Salesforce APIs; experience with integrations (MuleSoft, REST/SOAP), DevOps (SFDX, Git, CI/CD); PD1 required, PD2 preferred.
Apex, Lightning Web Components (LWC), Visualforce, Flow, Process Builder, SOQL, Salesforce APIs, MuleSoft, REST, SOAP, Salesforce DX (SFDX), Git, CI/CD, JavaScript (ES6)
3w
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Senior Software Developer
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years software development experience, bachelor's in CS or related, proficiency in object-oriented design, REST APIs, client-side development, SQL/T-SQL and SSIS; TS/SCI with CI polygraph required.
JavaScript, jQuery, Angular 4, Ajax, HTML5, XML, SQL, T-SQL, SSIS, REST
2w
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Lead Knowledge Graph Engineer (All levels Software Engineer)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEDesign and scale knowledge‑graph infrastructure; build high‑throughput backend services in Python/C++/Rust; API design (REST/GraphQL/gRPC); PostgreSQL and Neo4j experience; security eligibility for U.S. government clearances.
Python, C++, Rust, REST, GraphQL, gRPC, PostgreSQL, Neo4j, SOAP
1mo
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Senior Appian Developer- Remote
Reston or United States
$99k-$168k/yr RemoteFull Time
6+ YOE6+ years software development, 4+ years Appian development and integrations, Bachelor's degree, Git/GitLab, Linux, APIs/REST/SOAP, ability to obtain Public Trust, must reside in and be authorized to work in the US.
Appian, Java, Git, GitLab, CI/CD, Jenkins, Docker, Kubernetes, AWS, REST, SOAP, SQL, Linux, Appian AI, AI Copilot, AI Document Processing, AI Agents
3w
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Technology Consultant 2
Plano or Richardson or Raleigh or Reston or Tempe
OnsiteFull Time
Experience with Java and Spring Boot, REST APIs, microservices, cloud (AWS), databases (SQL Server/Oracle/MongoDB); bachelor's degree or equivalent experience; US work authorization without sponsorship; willingness to relocate or travel as needed.
Java, Core Java, Java 8, Spring Boot, Microservices, AWS, REST, Kafka, MQ, OpenShift, Spring Security, JPA, XML, XSLT, JAXB, JAXP, MVC, JUnit, SQL Server, Oracle, MongoDB