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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Senior Python Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOE10+ years Python development, SQL, front-end/full stack, Git, Docker/Kubernetes, RESTful API development, Linux/Unix; Bachelor's in CS +10 years or HS +14 years; active TS/SCI with polygraph required.
Python, SQL, Git, Docker, Kubernetes, RESTful API, Linux/Unix, Node.js, Jenkins, GitLab CI, AWS, Azure, JIRA
3mo
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOE8+ years software engineering; Python expert; TS/SCI with CI poly; Bachelor's in CS/EE or equivalent; cloud; DevSecOps; Linux; AI/ML interest.
Python, Docker, Kubernetes, Linux, Cloud, CI/CD workflow
1w
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Senior Python Developer with Spark
Reston, Virginia, United States
$97k-$157k/yr HybridFull Time
8+ YOE8+ years Python data engineering with Apache Spark, advanced SQL, AWS (EMR, Redshift, S3, Glue), big data tooling, CI/CD (GitLab, Terraform), and strong performance optimization skills.
Python, Apache Spark, Hadoop, Hive, EMR, SQL, AWS, Redshift, S3, Glue, Lambda, Step Functions, EventBridge, GitLab, Terraform
3w
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Software Engineer (Full Stack & Python)
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
6+ YOETS/SCI with polygraph, Bachelor's in CS or related, 6+ years software development, 4+ years full‑stack, 3+ years Python web, REST APIs, JS front-end frameworks, git, unit/integration testing, CI/CD experience.
Python, JavaScript, Angular, Vue, React, git, Jenkins, GitLab Runners, AWS, REST
2mo
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Python Developer (Mid-Senior)
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOE10+ years Python development; FastAPI; AWS; TS/SCI with polygraph; U.S. citizenship; Bachelor's degree or equivalent experience; on-site in Chantilly, VA.
Python, FastAPI, SQLAlchemy, AWS, Kubernetes, Jenkins, GitHub, OpenSearch, Elastic, Airflow, PySpark, Trino, Linux, Docker, Helm, Makefiles, Java, Perl, C, C++, HTML, JavaScript, JSON
3w
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Software Engineer (Full Stack & Python)
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
6+ YOETS/SCI with polygraph; Bachelor's in Computer Science; 6+ years software development; 4+ years full‑stack; 3+ years Python, REST APIs, JavaScript front-end frameworks; git, unit/integration testing, CI/CD experience.
Python, JavaScript, Angular, Vue, React, git, Jenkins, GitLab Runners, CI/CD, REST APIs, AWS, Agile
2mo
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Senior Software Engineer, Intelligence Systems
Reston, Virginia, United States
$191k-$253k/yr OnsiteFull Time
Proficient in Python; strong software testing, networking knowledge, Wireshark; active secret security clearance.
Python, Wireshark, Networking, Test Automation, Firmware Utilities
2mo
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Senior Software Engineer
Herndon or Herndon or North America
OnsiteFull Time
11+ YOEBachelor’s or Master’s preferred; 11+ years relevant experience; Python with 2+ years network automation; CI/CD/DevOps; Ansible/NSO; NetBox; PyATS/Jenkins; Yang; Cisco IOS/XR/NX-OS; AWS; Docker.
Python, Ansible, NSO, NetBox, PyATS, Jenkins, Yang, Cisco IOS, Cisco IOS XR, NX-OS, Junos, AWS, Docker, Podman
1mo
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Software Engineer 3 - Golang or Python/Kubernetes - Freewheel
Reston, Virginia, United States
OnsiteFull Time
5+ YOE5+ years software/platform engineering experience; proficiency in Go or Python, Kubernetes, public cloud (AWS/OCI), CI/CD (Jenkins/Argo CD), Terraform/GitOps, strong troubleshooting and communication skills; Bachelor’s in CS preferred.
Golang, Go, Python, Kubernetes, AWS, OCI, Jenkins, Argo CD, CI/CD, Terraform, GitOps, EKS, OKE, Prometheus, Grafana, OpenTelemetry
4d
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development experience, legacy enterprise and microservices experience, Agile, Python and Git familiarity, TS/SCI clearance with polygraph required.
Python, Java, JavaScript, React, Angular, NodeJS, AWS, Azure, Google Cloud Platform, Git
2w
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Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
5+ YOETop Secret/TS-SCI clearance with polygraph, Bachelor’s degree, 5+ years software development experience, strong Python and front-end (Angular/TypeScript/JavaScript) skills, experience with AWS and infrastructure tooling.
AWS, Python, Angular, Typescript, JavaScript, Docker, Kubernetes, CI/CD Pipelines
2w
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Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
9+ YOEActive Top Secret clearance, 9+ years software development (7+ with MS), expert Python, experience with scientific/sensor data processing, ML workflows, Git-based source control, and strong communication skills.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust
2w
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Senior Software Engineer
El Segundo or Chantilly
$172k-$232k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph required, Bachelor's degree,5+ years software development experience, proficiency with Python, front-end (Angular, Typescript, JavaScript), AWS, Docker/Kubernetes, CI/CD; strong architecture and leadership skills.
AWS, Python, Angular, Typescript, JavaScript, Docker, Kubernetes, CI/CD Pipelines
3mo
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Senior Software Engineer (Big Data)
Herndon, Virginia, United States
OnsiteFull Time
TS/SCI clearance with polygraph preferred; BS in CS/Engineering or related field; strong full stack development; big data tech (Hadoop, Spark, Kafka); Java/Python/C#; APIs and microservices; strong problem-solving; able to work independently (IC)
Java, Python, C#, Hadoop, Apache Spark, Kafka, APIs, Microservices, REST
2w
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Senior Software Engineer
Germantown, Maryland, United States
$107k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in engineering, 5+ years experience, fluency in C/C++, Linux and RTOS experience, multithreading and hardware interfacing skills, EM engineering tools (MATLAB/Python/Rust) familiarity, ability to lead technical groups, U.S. citizenship and ability to obtain DoD clearance.
C, C++, Linux, RTOS, MATLAB, Python, Rust
2w
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development experience, 3+ years with legacy enterprise systems, proficiency with Git and Python, experience with microservices, APIs, cloud platforms; TS/SCI with polygraph required.
Git, Python, Java, JavaScript, React, Angular, NodeJS, AWS, Azure, Google Cloud Platform
2w
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Software Developer Senior
Winchester, Virginia, United States
$150k-$190k/yr HybridFull Time
8+ YOEActive Top Secret/SCI eligibility, CI polygraph eligibility, minimum eight years professional experience, experience with AWS, C#, Java or Python, and designing scalable enterprise software.
AWS, C#, Java, Python
2mo
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Senior Software Engineer
Leesburg, Virginia, United States
$110k-$123k/yr RemoteFull Time
10+ YOE10+ years software engineering experience; strong React and PHP/Laravel skills; experience with October CMS, PostgreSQL/MS SQL, Salesforce APIs; API design, code reviews, and lead developer experience.
React, PHP, Laravel, October CMS, Python, PostgreSQL, Microsoft SQL Server, Salesforce API
3mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance; senior software engineering experience; .NET Core; cloud-first modernization; Agile development
NET Core, C#, JavaScript, TypeScript, Angular, Python
3w
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Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian