PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3h
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API Gateway Engineer
United States or Quantico or Washington
$112k-$179k/yr RemoteFull Time
7+ YOEActive Secret clearance, extensive API Gateway experience, familiarity with ITSM tools (Remedy, ServiceNow, JIRA), web services (SOAP, RESTful, XML, JSON), and SDLC/PM frameworks; advanced experience level (7+ years).
API Gateway, Remedy, Service Now, JIRA, SOAP, RESTful, XML, JSON, Mulesoft, Gateway Migration Utility, SiteMinder, SAFe
3w
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API Gateway Engineer
Quantico or Washington
$104k-$166k/yr RemoteFull Time
8+ YOEActive Top Secret clearance, DoD 8570 certification (e.g., CISSP or Security+), extensive API Gateway experience, familiarity with Remedy/Service Now/JIRA, SOAP/REST/XML/JSON, SAFe agile, and gateway administration/operations.
API Gateway, Gateway Migration Utility, SiteMinder, Remedy, Service Now, JIRA, SOAP, RESTful, XML, JSON, Mulesoft, SAFe
3w
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API Engineer (Remote)
Stafford or Alaska or California or Colorado or Connecticut or District of Columbia or Hawaii or Louisiana or Massachusetts or Minnesota or Missouri or Nebraska or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Dakota or Oregon or Puerto Rico or Rhode Island or Vermont or Washington or Wyoming or United States
RemoteFull Time
No specific skills, education, or experience listed in the job text; posting states remote US eligibility and includes benefits information.
1w
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Associate Process Engineer, Technical Operations - Small Molecule Drug Substance
Elkton, Virginia, United States
$72k-$113k/yr OnsiteFull Time
1+ YOEBachelors in Chemical/Process Engineering, 1+ years API/process or pharmaceutical experience, knowledge of cGMP, technology transfer, process optimization, data analysis, and strong communication.
1mo
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New College Grad - Semiconductor Quality Assurance Engineer
Manassas, Virginia, United States
OnsiteFull Time
Bachelor's degree in engineering or related field, basic coursework in semiconductor device physics and manufacturing, statistics and machine learning understanding, proficiency with Python/R/Tableau and EMR of quality systems, strong communication.
R, Python, Tableau, Web APIs
2w
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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
2w
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Business Application Developer
Quantico, Virginia, United States
OnsiteFull Time
3+ YOE3+ years as an application developer with in‑depth Appian Platform experience, API integration, Agile development, active U.S. citizenship, and active Secret clearance.
Appian, APIs
2mo
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Blockchain Developer
Manassas or Brussels
$67k-$124k/yr OnsiteFull Time
2+ YOEBachelor's or Master's in CS/Software Engineering; 2+ years blockchain experience; Ethereum/Solidity, Hyperledger Besu, Corda; cryptography, distributed systems; front-end/back-end languages; cloud and containers; REST APIs, gRPC, microservices; Git/CI/CD; strong communication.
Solidity, Ethereum, Hyperledger Besu, Corda, Cosmos, Canton, PKI, REST, gRPC, Git, CI/CD, JavaScript/TypeScript, Python, Go, Java, C++, AWS, Azure, Google Cloud, Docker, Kubernetes
3mo
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Boomi Integration Engineer
Charlottesville, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's and 2+ years relevant experience required; strong Dell Boomi integration experience, API and data modeling knowledge, JavaScript/Groovy experience, analytical and communication skills.
Dell Boomi, JavaScript, Groovy, Git, SVN
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's (or equivalent) and 9+ years experience, U.S. citizenship with active Top-Secret clearance, IAT-II (Security+ CE), 3–5 years Python development, Django/Flask, API integration, Git, database/ORM knowledge.
Python, Django, Flask, Git
1mo
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Software Developer
Dahlgren or Arlington
$69k-$158k/yr OnsiteFull Time
5+ YOE5+ years in software development; Java, Kotlin, Go, Rust, or TypeScript; modular architectures; open APIs; DB design/SQL; CI/CD; Docker/Kubernetes; Agile; Secret clearance; Bachelor’s degree.
Java, Kotlin, Go, Rust, TypeScript, Docker, Kubernetes, CI/CD, OpenAPI, MQTT, gRPC, WebSockets, OpenLayers, Cesium
3mo
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Boomi Integration Engineer
Charlottesville, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's degree and 2+ years relevant experience required; experience designing integrations with Dell Boomi, APIs, data modeling, JavaScript and Groovy; strong analytical and communication skills.
Dell Boomi, JavaScript, Groovy, Git, SVN
1mo
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Senior Python Engineer
Quantico, Virginia, United States
OnsiteFull Time
9+ YOEU.S. citizen with active Top-Secret clearance, Bachelor's (or equivalent) and 9+ years' experience; 3–5 years Python development; IAT-II/Security+ CE; experience with Django/Flask, API development, Git, databases/ORMs, security best practices.
Python, Django, Flask, Git
3mo
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AI Machine Learning Engineer
Ashburn, Virginia, United States
HybridFull Time
8+ YOEUS citizenship, 8+ years ML/AI experience, Bachelors or higher in CS/Engineering/Data Science, TensorFlow/PyTorch, cloud and MLOps, federal compliance exposure, onsite in Ashburn, VA
TensorFlow, PyTorch, Scikit-learn, Docker, Kubernetes, AWS, Azure, GCP, Hadoop, Spark, APIs
1w
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Software Engineer - Data Analytics Team
Middletown or Manassas
OnsiteFull Time
0+ YOEAbility to program in Java, Python, or C++; experience with databases/APIs, containers, and Agile; U.S. citizenship and Secret clearance required; degrees and experience vary by level.
Java, Python, C++, Git, Linux, Jira, Confluence, PostgreSQL, MongoDB, Docker, Kubernetes, Kafka, Spark, Iceberg, Trino, S3, Ceph, VS Code AI extensions, Cursor, Claude Code
2mo
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Sr. Product Engineer – Web Services
Redlands or United States or Vienna
$94k-$159k/yr RemoteFull Time
5+ YOE5+ years product-focused experience; Agile; web services and APIs; ArcGIS technologies; cloud-native fundamentals; strong communication; autonomous with cross-team collaboration; Bachelor's in CS or related field.
Python, JavaScript, TypeScript, SQL, ArcGIS REST APIs, ArcGIS API for Python, ArcGIS Hub, ArcGIS Maps SDKs, ArcGIS REST APIs
2mo
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Identity Provider Engineer
Riverdale or Alexandria or Charlottesville or Colorado Springs or Norfolk or Reston or Tampa
$87k-$198k/yr OnsiteFull Time
Experience with Ping Federate/Okta/Entra ID; SAML 2.0/OAuth 2.0/OIDC; custom integrations; Java/JavaScript/Python/PowerShell/Groovy; REST APIs; AD/LDAP; Zero Trust and MFA; TS/SCI clearance; HS diploma.
Ping Federate, Okta, Entra ID, SAML, OAuth, OIDC, Java, JavaScript, Python, PowerShell, Groovy, REST APIs, Active Directory, LDAP
6d
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Application Developer Lead
Quantico, Virginia, United States
$145k-$160k/yr OnsiteFull Time
Active Top Secret clearance and U.S. citizenship; bachelor's in CS/SE/IT or equivalent; experienced leading enterprise application teams with Microsoft 365, SharePoint Online, Power Platform, web APIs, SDLC, DevSecOps, and Agile practices.
Microsoft 365, SharePoint Online, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Power Fx, DAX, Power Query, JSON, REST APIs, Microsoft cloud services, Azure DevOps, Git, SQL Server, Microsoft Graph API
1mo
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Jr. Software Developer
Stafford, Virginia, United States
$45k/yr HybridFull Time
1+ YOEActive Secret clearance, 1+ years software development experience with C#/.NET, Blazor/HTML/CSS, Entity Framework, unit testing (NUnit/xUnit), SQL Server, RESTful APIs, Agile, and CI/CD tools.
C#, HTML, Blazor, Entity Framework, NUnit, xUnit, Microsoft SQL Server, CSS, RESTful APIs, Microsoft .NET, Microsoft Azure DevOps, Jenkins, GitHub, AWS, Azure, Docker, Kubernetes, Angular, React
1w
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Angular/NodeJS Developer - II
Charlottesville or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
8+ YOE8+ years software development with Java/NodeJS and Angular, experience building RESTful APIs for healthcare EDI, cloud (AWS/Azure) experience, Git/GitHub, unit testing, Public Trust clearance eligibility, U.S. citizenship required.
Java, NodeJS, Angular, TypeScript, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, JSON, XML
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