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
1mo
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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
1mo
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SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yr OnsiteFull Time
16+ YOEBachelor's in STEM, 16+ years' experience, DoD 8140/Security+ CE, 5+ years API Gateway experience (Broadcom preferred), expertise with Windows and cloud-hosted COTS, Java/Python/C#, AWS/Azure/GCP, Docker, Kubernetes, Agile, cloud architecture, troubleshooting, and system testing. TS/SCI w/ Poly required; U.S. citizenship required.
API Gateway, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Docker, Kubernetes, Java, Python, C#, Windows, AWS, Microsoft Azure, Google Cloud, Message queues, Streaming platforms, ETL, COTS, MBSE
2w
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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
1w
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SME Systems Engineer - API (TS/SCI w/ CI Poly required)
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI with CI poly, Security+ CE or higher, 10+ years relevant experience, STEM degree, API gateway expertise (5+ years), Java/Python/C# proficiency, cloud and containerization experience.
API gateway, Broadcom API, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Java, Python, C#, MuleSoft, Apigee, Istio, Linkerd, ServiceNow
2d
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Full Stack Developer (Expert)
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
11+ YOEBachelor's degree in CS/Engineering, 11+ years full-stack experience, front-end (HTML5, JavaScript, TypeScript, CSS), back-end (Java Spring, APIs, microservices), RDBMS/NoSQL, AWS, testing, strong problem-solving and communication.
HTML5, JavaScript, TypeScript, CSS, Java Spring, APIs, microservices, RDBMS, NoSQL, AWS, Ruby on Rails, Infrastructure as Code (IOC)
3w
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Full-Stack Software Developer (Expert)
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
11+ YOEU.S. person with Top Secret/SCI polygraph clearance, Bachelor's degree in CS/Engineering, 11+ years full-stack experience with HTML5, JavaScript, TypeScript, CSS, Java Spring, APIs, RDBMS/NoSQL, AWS and DevOps practices.
HTML5, JavaScript, TypeScript, CSS, Java Spring, APIs, microservices, RDBMS, NoSQL, AWS, testing frameworks, Ruby on Rails, Infrastructure as Code (IOC), SecDevOps, DevOps
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.
2w
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AI/CNO Engineer
Dulles, Virginia, United States
OnsiteFull Time
Experience deploying and managing LLMs in offline environments, supporting cybersecurity and vulnerability research, building APIs and tooling, strong systems integration skills, active TS/SCI or ability to obtain polygraph.
Opus, Sonnet, MiniMax, Qwen
1mo
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Full Stack Software Engineer
King of Prussia or Chantilly
$99k-$207k/yr OnsiteFull Time
8+ YOE8+ years OO languages with Python; 2+ years JS/TS; TS/SCI with Poly; BS in CS; full SDLC; cloud/APIs; on-site; agile.
Python, JavaScript, TypeScript, React, Angular, AWS, Azure, Kubernetes, Git, Jira, Confluence
3mo
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Web Developer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEActive TS/SCI with CI poly; BS in Information Systems or Computer Science with 9+ years of experience; client-side development with JavaScript; SharePoint/InfoPath experience; governance and security policy enforcement; strong collaboration skills.
JavaScript, InfoPath, SharePoint Designer, SharePoint, CAML, XSLT, Rest API, Web Services, jQuery, AJAX, Bootstrap, C, PowerShell, MVC, MVVM, AngularJS, React, .NET, CSOM
1mo
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Software Engineer (Multiple Levels) (Evergreen)
Summit Point, West Virginia, United States
$88k-$155k/yr OnsiteFull Time
Bachelor's in CS/engineering; 2-14 years experience depending on level; US citizenship; active Secret clearance; Java; APIs; AI/ML; hardware familiarity.
Java, APIs, C/C++, Docker, Git, CMake, Confluence, JIRA, Jenkins, Artifactory, Python, AI/ML
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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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
1mo
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Sr. AI Integration Engineer
Des Moines or Ashburn or Austin or Chaska or Chicago or Dallas or Lewisville or Kansas City or Nashville or Florida or Georgia or North Carolina or New Jersey or Pennsylvania
HybridFull Time
5+ YOE5+ years in software engineering, systems integration, and AI-enabled workflow delivery; experience with enterprise integrations (ServiceNow, Salesforce), cloud deployments, Python, APIs, and middleware.
Python, JavaScript, TypeScript, Java, C#, APIs, ServiceNow, Salesforce, Kubernetes, Docker, AWS, Azure, GCP, SQL, LangChain, LlamaIndex, Semantic Kernel
1mo
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Senior Staff, Software Engineer
Sterling, Virginia, United States
HybridFull Time
Asurion: Provides insurance and repair services for consumer electronics.
10+ YOE10+ years building APIs, backend services, distributed systems and data-intensive platforms; strong Node.js and TypeScript experience; data modeling, database design, API design, observability, and reliability engineering.
Node.js, TypeScript, PostgreSQL, MySQL, DynamoDB, MongoDB, Redis, Elasticsearch/OpenSearch, Neo4j, Kafka, CDC, CI/CD, schema registry
2mo
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AI Solutions Engineer
Seattle or San Francisco or Scottsdale or Atlanta or Sterling or Boston or New York City
HybridFull Time
5+ YOE5+ years building business applications, automation, or analytics; strong SQL and Python skills; experience with AI-assisted development tools, APIs/integrations, workflow automation, and partnering with finance stakeholders.
Cursor, Claude, Codex, GitHub Copilot, SQL, Python, APIs, LLM APIs, Microsoft Power BI, Alteryx, Microsoft Power Automate, Databricks, Snowflake
2mo
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Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
5+ YOE5+ years in application and data layer, frontend, cloud, and Agile/Scrum; able to design and implement APIs and integrations.
AWS, APIs, Frontend Technologies, Backend Technologies
3w
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GenAI Developer
Ashburn, Virginia, United States
HybridFull Time
7+ YOEU.S. citizen able to pass CBP background check; BA/BS preferred (experience considered); 7+ years full-stack development; React/Angular, SQL/NoSQL, Python/Java/JavaScript/TypeScript; GenAI concepts and APIs; AWS and Google cloud experience; DevSecOps knowledge.
React, Angular, SQL, NoSQL, Large Language Models (LLMs), transformers, Python, Java, JavaScript, TypeScript, AWS, Google Vertex AI, AWS Bedrock, GitLab, APIs, RESTful services, DevSecOps, CDNs
2w
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Journeyman Systems Engineer
Kearneysville, West Virginia, United States
$94k-$120k/yr HybridFull Time
6+ YOEDoD 8570 IAT Level II cert and active Secret clearance; 6+ years systems engineering experience on data platforms, big data/ETL, API frameworks, lifecycle management, performance tuning, and enterprise tools like Jira/Azure DevOps/ServiceNow.
Jira, Microsoft Azure DevOps, ServiceNow, Docker, Kubernetes, Python, Bash, Microsoft PowerShell, Linux, Microsoft Windows, AWS, Microsoft Azure, DISA STIGs, GIS
3d
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Automation Test Engineer
Ashburn, Virginia, United States
HybridFull Time
5+ YOEUS citizen, Bachelor's in CS/Engineering, 5+ years QA experience, expertise in test automation, Java, API and SQL testing, Agile methodologies, and ability to work onsite in Ashburn up to 4 days/week.
Selenium, WebDriver, Java, Rest-Assured, Postman, REST, SOAP, SQL, Git, Jira Xray
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