PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3mo
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UI/UX Frontend Software Developer
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years software development; BS CS or related; strong OOP, algorithms, data structures; REST APIs; client-side JS (Angular), SQL/T-SQL; SSIS; TS/SCI clearance with CI Polygraph; DoD/DIA experience preferred.
JavaScript, Angular, HTML5/XML, REST API, SQL, T-SQL, SSIS, jQuery, Ajax
6d
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UI Front-End Engineer
Sterling, Virginia, United States
OnsiteFull Time
3+ YOETop Secret clearance, Bachelor's in CS or related, 3+ years front-end experience with JavaScript/TypeScript, HTML5/CSS3, modern frameworks (React/Angular/Vue), RESTful integration, GIS/mapping and real-time data experience.
JavaScript, TypeScript, HTML5, CSS3, React, Angular, Vue.js, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, Protobuf, GitLab, CesiumJS, OpenLayers, Leaflet, Mapbox GL JS, WebGL, Redux, Zustand, Pinia, Swagger/OpenAPI, WebSockets, gRPC, MQTT, DDS, AMQP
2w
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React Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
5+ YOE5+ years React and UI development experience, BS in CS/Engineering, TypeScript/JavaScript, HTML4/5, CSS/SCSS, Jest/Enzyme/React Testing Library, experience with complex backend APIs, strong communication and critical thinking.
React, Microsoft Visual Studio Code, TypeScript, JavaScript, MVC, MVVM, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing Library, Chrome DevTools
1mo
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Application Developer SME (TS/SCI with Poly Required)
Dulles, Virginia, United States
$164k-$275k/yr OnsiteFull Time
10+ YOEUS citizen with active TS/SCI + polygraph required; experienced UI/UX developer for accessible front-end design, creating prototypes, wireframes, and usability standards; 10+ years experience.
1w
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Front-End Developer
Rockville, Maryland, United States
HybridFull Time
3+ YOE3+ years building Angular applications; proficiency with TypeScript, JavaScript, HTML, CSS; experience with component-based UIs, troubleshooting existing codebases, Agile teamwork, and strong communication.
Angular, TypeScript, JavaScript, HTML, CSS, Electron, REST APIs, Python
10h
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Sr. NET Developer /AI Developer – Rockville, MD
Rockville, Maryland, United States
OnsiteContract
.NET Core/.NET 8 and C# expertise, strong Azure experience (App Services, Functions, Service Bus, Azure SQL), Azure OpenAI/AI Foundry experience, GitHub/GitHub Copilot or Azure DevOps, CI/CD, containers, SQL/Cosmos DB, modern UI frameworks, security and authentication.
.NET Core, .NET 8, C#, Microsoft Azure, App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, AI Foundry, GitHub Copilot for Developers, ASP.NET Core, Microsoft Entra ID, B2C, GitHub, Azure DevOps, CI/CD, Blazor, React, Angular, Cosmos DB, SQL
1mo
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Expert Software Engineer
Herndon or Columbia
HybridFull Time
5+ YOEFrontend-focused software engineer with Angular, JavaScript/TypeScript, and UI experience; security clearance required; 5+ years of relevant experience or 8+ years with BS; strong collaboration and DevOps mindset.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
1mo
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Application Engineer 4
Herndon or Potomac
OnsiteFull Time
Must be U.S. citizen with active TS/SCI clearance w/ Full Scope Polygraph. Requires TypeScript/JavaScript, Angular, CSS, JSON/REST experience and UI technical leadership; Jira, Confluence, Agile/SAFe, AWS, Balsamiq, MongoDB desired.
TypeScript, JavaScript, Angular, json, ReST, CSS, Jira, Confluence, Agile Framework, SAFe, AWS, Balsamiq, MongoDB
1w
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Sr. Front-End Software Engineer (Geospatial & Middleware)
Sterling, Virginia, United States
OnsiteFull Time
8+ YOEActive Top Secret clearance, Bachelor’s in CS or related,8+ years front-end experience, strong JavaScript and modern frameworks, Protobuf and middleware experience, experience with Kafka/RabbitMQ/ActiveMQ/ZeroMQ, API development, geospatial UI experience.
JavaScript, React, Angular, Vue, Protobuf, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, gRPC, FlatBuffers, Avro, GitLab, AMQP, MQTT, Data Distribution Services, Cesium JS, Open Layers, Leaflet, Mapbox, WebGL
2mo
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Full Stack Developer
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOESeven+ years in software design/development; strong stack: PostgreSQL, Java Spring Boot, Angular; UI/RESTful services; Agile; U.S. citizenship with background check.
PostgreSQL, Java Spring Boot, Angular, TypeScript, JavaScript, CSS, HTML, RESTful services, Git, SQL, ORM, Spring Boot
1mo
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Software Developer SME (Systems Software) (TS/SCI with Poly Required)
Dulles, Virginia, United States
$164k-$275k/yr OnsiteFull Time
10+ YOEUS citizen with active TS/SCI + polygraph required; 10+ years experience; strong Java and JavaScript (ES6+) skills, React or Lit, Bootstrap, RESTful APIs/GraphQL, Git, front-end testing (Playwright, Jest, Mocha, Cypress), performance optimization, and UI/UX integration experience.
Java, JavaScript, ES6+, React, Lit, Bootstrap, RESTful APIs, GraphQL, Git, Playwright, Jest, Mocha, Cypress
4w
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Automation Engineer Junior
Ashburn, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's in CS or related with 2+ years technical experience; Java/JEE, Spring Boot, Selenium WebDriver, TestNG, SQL; develop automated tests, Soap UI/Postman, JSON/XML; must be US citizen and able to obtain Public Trust.
Bugzilla, Eclipse, IntelliJ, JIRA, Java/JEE, JSON, Postman, Protractor, Rally, Selenium WebDriver, Soap UI, SQL, TestNG, XML, Unix, Spring Boot
2mo
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Android Development Lead
Arlington or Clarksburg or Palo Alto
$150k-$220k/yr HybridFull Time
7+ YOE2+ MgmtExpertise in Java/Kotlin Android plugin development, JNI and C/C++ integration, Android Jetpack/Material UI, SQL, Linux, networking, and ATAK plugin experience; bachelor’s preferred; senior-level experience (7+ years) preferred.
Java, Kotlin, C++, C, SQL, Android Jetpack, Material UI, JNI, CMake, Conan, Git, gRPC, protobuf, ATAK, TAK Server, Linux, Android
1mo
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QA Engineer
Herndon, Virginia, United States
OnsiteFull Time
2+ YOE2+ years SDET/QA experience, strong automation skills in Python/TypeScript/C#, experience with API and UI testing, CI/CD (Azure DevOps or GitHub Actions), AI-assisted test workflows, and U.S. citizenship with ability to maintain a Trusted Role.
Python, TypeScript, Angular, .NET, C#, Microsoft Azure, Microsoft Azure DevOps, GitHub Actions, Claude Code, Copilot, Cursor, pytest, Playwright, Cypress, Selenium, Functionize, TOSCA, Postman, RestAssured, xUnit, NUnit, BrowseStack, TestRail, JMeter
3w
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Data and AI Solution Engineer
Herndon, Virginia, United States
HybridFull Time
10+ YOEBachelor's in CS/Engineering/Data Science, 10+ years in IT solution or systems engineering, strong Python and generative AI experience, prompt engineering, cloud (AWS/Azure/GCP/OCI) knowledge, UI/UX demo design, RFI/RFP experience, TS/SCI clearance.
Python, GitHub Copilot, Cursor, AWS Bedrock, Jupyter, Snorkel, AWS, Azure, GCP, OCI
1d
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Quality Assurance Engineer
Annapolis Junction or Washington or Reston
HybridFull Time
13+ YOE13+ years IT/systems experience; expertise in functional/regression testing of Java web apps, UI automation, accessibility (Section 508/WCAG), cross-browser testing, Apache Tomcat, Oracle 19c, SAP BI, API testing (Apache Solr/REST), and GitLab CI; US citizenship for TS/SCI.
Java, Apache Tomcat, Oracle 19c, SAP Business Intelligence, Windows Server, Apache Solr, RESTful services, GitLab
1mo
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Test Engineering Leader - Evinova
Gaithersburg, Maryland, United States
$166k-$217k/yr HybridFull Time
10+ YOEBachelor's or equivalent experience, 10+ years test engineering across UI/API/data, leadership of test strategy, automation with Playwright/Selenium/Cypress, scripting in Python, REST API and DB validation (PostgreSQL/MongoDB), CI/CD pipelines; experience testing AI/LLM products and GxP familiarity preferred.
Playwright, Selenium, Cypress, Python, REST API, PostgreSQL, MongoDB, CI/CD, LLM, RAG, Computerised System Validation (CSV)
4w
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Postdoctoral Fellow (PREP0004830)
Gaithersburg, Maryland, United States
$82k-$89k/yr OnsiteFull Time
3+ YOEPh.D. in a relevant field, 3 years research experience, experience with custom electronic/magnetic/optical instrumentation, data visualization and UI development, familiarity with Python/MATLAB/LabVIEW and SolidWorks/Autodesk Inventor, strong communication skills.
Python, MATLAB, LabVIEW, SolidWorks, Autodesk Inventor
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