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
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
1mo
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UI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIRED
Arlington, Virginia, United States
$101k-$246k/yr HybridFull Time
5+ YOETS/SCI with CI Poly clearance, Bachelor's degree or 5+ years experience, 5–8 years preferred, proficiency in Java or Python, UI design, user research, prototyping, and strong communication skills.
PenPot, Adobe Creative Cloud, Java, Python
1mo
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UI/UX Web Developer
Fort Meade, Maryland, United States
$104k-$218k/yr OnsiteFull Time
8+ YOETS/SCI with poly required; BA/BS +8 years (or equivalent experience); expert Microsoft SharePoint development, UI/UX design, HTML5/CSS3/JavaScript, accessibility (WCAG/508), ITIL, REST/OData/OAuth; must be onsite 0900-1500.
Microsoft SharePoint, REST, OData, OAuth, Microsoft SharePoint Designer, Microsoft InfoPath, Microsoft SSRS Report Designer, WordPress, Joomla, Drupal, HTML5, CSS3, JavaScript, Sketch, Adobe XD, Figma, ServiceNow, ITIL, WCAG, Python, PHP, Java, Bash, React, Angular, Azure, AWS, SQL, MySQL, Microsoft O365
3mo
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UI Full Stack Software Developer
Fort Meade or Laurel
$69k-$158k/yr OnsiteFull Time
3+ YOEGit, JS frameworks (React/Vue/Angular), server-side concepts, UI/UX, quick learning, teamwork, TS/SCI with poly, BS in CS/SE or 7+ yrs exp in lieu.
Git, JavaScript, React, Vue.js, Angular, Node.js, Python, Java, SQL
1mo
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UI/UX Web Developer
Bethesda, Maryland, United States
$104k-$218k/yr OnsiteFull Time
8+ YOETS/SCI with polygraph required; BA/BS + 8 years experience (or equivalent experience). Strong SharePoint and front-end (HTML/CSS/JavaScript) skills, UI/UX design tool proficiency, 508 compliance, and experience integrating multiple data sources.
Microsoft SharePoint, Microsoft SharePoint Designer, Microsoft InfoPath, Microsoft SSRS Report Designer, Microsoft O365, REST, OData, OAuth, HTML, CSS, JavaScript, Sketch, Adobe XD, Figma, WordPress, Joomla, Drupal, ServiceNow Agile, SAFE, Python, PHP, Java, Bash, React, Angular, Azure, AWS, SQL, mySQL
3mo
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Lead Software Developer
Fort Meade, Maryland, United States
OnsiteFull Time
20+ YOEActive TS.SCI w/FSP through MD; 20 years software engineering; Java/JavaScript, Git, SQL, Python; Linux; SDLC; Agile; UI/UX; API; AWS; C#; front/back-end development.
Java, JavaScript, Git, SQL, Python, Web development, UI/UX, Angular, React, Vue.js, AWS, C#, MongoDB, Spring, OSGi, Perl, Lua, NGINX, Linux
1mo
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Software Developer
Chantilly or Potomac
OnsiteFull Time
Software engineer to design and build cloud-based systems; develop, test, and debug cloud-native applications; work with Python, Java, JavaScript; experience with serverless functions and web UI.
Python, Java, JavaScript, React, Node.js, AWS, CloudWatch, CloudTrail, Terraform, Ansible, Kubernetes, Linux, Bash
2mo
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Staff Engineer - Java/Spring Boot/Event Driven Architecture/Workflow Orchestration & Backend Operations/UI/UX/Distributed Systems/High Volume Scalable Systems (HYBRID)
Bethesda or Richardson
$110k-$230k/yr HybridFull Time
Proven API-first, event-driven architecture, and scalable backend engineering experience; strong Java/C#/Python; leadership and collaboration skills.
Java, Spring Boot, GraphQL, gRPC, Kafka, Docker, Kubernetes, SQL, NoSQL, MySQL, PostgreSQL, Cosmos, Cassandra, Trino, Python, C++, Time permitted tools like Temporal, AWS Step Functions
2mo
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Software Engineer
Annapolis Junction, Maryland, United States
$150k-$210k/yr OnsiteFull Time
12+ YOE12 years of software development experience; strong Java expertise; experience across multiple Java frameworks; UI and server-side development; proficient with databases and DevOps tools.
Java, Python, C/C++, Groovy, SQL, JavaScript, Spring, JEE, JPA, EJB, JTA, Jackson, Jersey, Swing, JavaFX, Angular, Eclipse, VS Code, Visual Studio, WebStorm, Rhapsody, Oracle, PostgreSQL, MongoDB, SQL Server, BDD, DevOps tools, Windows, Linux
4w
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Full Stack Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
TS/SCI with Polygraph required. Experience developing back-end services in Python, web UIs with Java/JavaScript/HTML, Active MQ, REST, NoSQL/elastic databases, Atlassian (JIRA, Confluence), Linux, CI/CD; test validation and Tier 3 support experience.
Python, Java, JavaScript, HTML, Active MQ, REST, NoSQL, elastic databases, JIRA, Confluence, Linux, CI/CD
1d
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Web Application Developer - Senior
Washington, District of Columbia, United States
$120k-$165k/yr HybridFull Time
8+ YOEActive TS/SCI eligibility; 8+ years web application engineering; 2+ years in past 6 in AWS/Python/Java/C#; experience translating UI/UX wireframes.
AWS Cloud-based Services, Python, Java, C#
1mo
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Software Developer
Herndon, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's degree with 9+ years, or Master's with 7+, or PhD with 4+ years in related field; TS/SCI with CI Poly clearance; 100% onsite; experience in Agile/microservice cloud environments; strong Java, Python, and web UI skills; DevSecOps tooling experience.
Java, Python, Shell scripting, JSON, Spring, Spring Boot, JavaEE, Docker, JQuery, Angular, React, JIRA, Git, JUnit, Jenkins, SonarQube, Artifactory, RDBMS, Elasticsearch, SOLR, NoSQL, Hadoop, EMR
2mo
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Applications Developer
Chantilly or Columbia
OnsiteFull Time
Experience leading Agile teams, cloud/DevOps, full-stack development, API/microservices, UI/UX, data engineering, and security.
AWS, Azure, GCP, Docker, Kubernetes, Jenkins, Git, GitHub, GitLab, Nexus, Terraform, Ansible, Jira, Confluence, React, Angular, Vue.js, Java, Python, Spring Boot, Node.js, PostgreSQL, MySQL, MongoDB, Elasticsearch
1mo
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Senior Software Developer
Hanover, Maryland, United States
OnsiteFull Time
14+ YOETS/SCI with poly required. Bachelor's degree plus 14 years software engineering experience; full‑stack development, Kubernetes and Docker, RF/DSP and UI/UX experience; proficiency with Java, Python, Rust, C++.
Java, Python, Rust, C++, Docker, Kubernetes
2mo
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Software Engineer
Herndon, Virginia, United States
$130k-$265k/yr OnsiteFull Time
4+ YOE4-7+ years in software development across data, application, and UI layers; APIs, cloud, and data tooling experience; TS/SCI clearance.
Java, C#/.NET, SQL, JavaScript, HTML, XML, Python, R, Spark, Apache Iceberg, EMR, NiFi, Kubernetes
2d
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Software Developer II (Mid-level, Full-stack)
Lanham, Maryland, United States
OnsiteFull Time
5+ YOEDesign, develop, test, and maintain full-stack web applications; build UIs and backend services; develop RESTful APIs; work with relational and cloud databases; 5+ years software development experience.
Java, C#, Python, Node.js, React, Angular, Vue, Git, AWS, Lambda, API Gateway, ECS, EC2, RDS, S3, IAM, CloudFormation, Docker, Kubernetes
3mo
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Software Engineer III/IV *Top Secret*
Hunt Valley, Maryland, United States
$111k-$210k/yr OnsiteFull Time
5+ YOEDesign, develop, and maintain software; embedded systems; UI development; AI integration; lead small teams; Secret/Top Secret clearance potential.
C#, C++, Java, Python, Embedded systems, FPGA, GPUs, Spectrum analyzers, Digital oscilloscopes
3d
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Android Engineer
Costa Mesa or Seattle or Washington
$166k-$220k/yr OnsiteFull Time
Degree in CS/CE/Aerospace or related, experience building Android map-based and data-intensive UIs, proficiency with Jetpack Compose/Java/Kotlin and backend languages (C++, Rust, Go), networking (TCP/UDP/Multicast/HTTP/protobuf/gRPC), willingness to be on-call, and ability to travel up to 30%.
Jetpack Compose, XML, Java, Kotlin, C++, Rust, Golang, TCP, UDP, Multicast, HTTP, protobuf, gRPC, Android Tactical Assault Kit (ATAK), CMake, Cargo, gradle, NixOS, CircleCI, Docker, TypeScript, React, C++/Qt, C#/.NET, ArcGIS, Cesium, MapBox, TAK, Gitlab-CI, Python, Bash
2w
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Front End Software Engineer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
3+ YOEFront-end UI development with JavaScript/TypeScript, HTML/CSS, UI frameworks (React/Angular), familiarity with relational databases, Docker, Git, Linux; TS/SCI with polygraph and 3 years technical experience or B.S. in technical discipline required.
JavaScript, TypeScript, HTML, CSS, React, Angular, Postgres, SQLite, MySQL, Docker, Git, Linux, Elasticsearch, MongoDB, Java, Python, Bash, Powershell, Vue, FastApi, Spring Boot, GitlabCI, CI/CD, k8s, ansible, AWS
2w
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Quality Assurance Engineer III - AMZ9795943
Arlington, Virginia, United States
$133k-$180k/yr OnsiteFull Time
7+ YOEBachelor's in CS/Engineering/Math and 7 years experience designing and developing test automation, UI and performance testing, cloud architectures, CI/CD, scripting, and mentoring QA engineers.
Java, Shell Scripts, selenium, cypress, playwright, RESTful APIs, SQL, NoSQL, shell, bash, perl, python, javascript, ruby, Git, Jira, TestRail, Amazon Web Services (AWS), Lambda, S3, DocumentDB, DynamoDB, CI/CD pipelines
3w
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Front End Developer
Annapolis Junction, Maryland, United States
$162k-$219k/yr OnsiteFull Time
8+ YOEBachelor's degree, 8+ years experience, strong JavaScript/TypeScript and Angular skills, UI/UX and accessibility knowledge, experience with Git, RESTful APIs, CI/CD, and frontend testing.
Git, GitHub, GitLab, RESTful APIs, JavaScript, TypeScript, Angular, HTML, Material, Sass, CI/CD, UI testing frameworks, Material UI, Bootstrap, React, Vue.js, Java, Python, Node.js, Sketch, Figma, Adobe XD