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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Software Engineer 1
Herndon or Potomac
OnsiteFull Time
U.S. citizenship and active TS/SCI with Full Scope Polygraph required. Proficiency in Python, Django or Flask, MongoDB or MariaDB, REST endpoint development, and microservice design.
Python, Django, Flask, MongoDB, MariaDB, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
2d
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Software Engineer
Gaithersburg, Maryland, United States
$129k-$150k/yr OnsiteFull Time
6+ YOEBachelor’s or Master’s in CS/SE/IS with 6+–8+ years software engineering; experience with Python/Java/JavaScript, Django, REST, PostgreSQL, Windows/Linux; active TS/SCI clearance and able to obtain polygraph.
Python, Java, JavaScript, Django, REST APIs, AJAX, jQuery, PostgreSQL, SQL, Windows, Linux, Git, GitLab, AWS, Microsoft Azure, Google Cloud Platform (GCP), IBM Cloud, Oracle Cloud
1w
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
1mo
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Database Engineer 2
Herndon or Potomac
OnsiteFull Time
U.S. citizenship and active TS/SCI with full scope polygraph required. Must have MongoDB experience (deployment, management, debugging optimization, scaling). Desired skills: Python/Django/Flask, ReST endpoints, microservices, Swagger, AWS/C2S, Docker, VS Code, JSON/XML, Jira/Confluence, Git, Agile.
MongoDB, Python, Django, Flask, ReST, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
1mo
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Senior Full Stack Software Developer w/poly
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI with poly required; 10+ years software engineering; strong Python and Java; React and Django experience; DevOps/CI-CD; experience with large-scale data pipelines; Bachelor’s in Computer Science or related field.
Python, Java, React, Django, Spark, OpenSearch, Elasticsearch, Kafka, gRPC, Celery, Docker, Kubernetes, MariaDB, MySQL, ValKey, PostgreSQL, InfluxDB, MongoDB, Open Telemetry (OTel), GitLab, Jira, Confluence
2w
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Software Engineer - Full Stack (TS/SCI Clearance Required)
Gaithersburg, Maryland, United States
OnsiteFull Time
Active TS/SCI with polygraph, bachelor's in CS or related, strong full-stack experience with Python/Java/JavaScript, REST APIs, SQL, Django or modern JS frameworks, Git/GitLab, Windows/Linux, and Agile/CI/CD practices.
Python, Java, SQL, Django, JavaScript, Angular, React, Windows, Linux, Git, GitLab, AWS, IBM Cloud, Google Cloud, Azure, Oracle Cloud, S3, SQS, SNS, EC2, CloudFormation, RDS, CI/CD
2w
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Full Stack Developer
Bethesda or Rockville
OnsiteFull Time
Bachelor's in Computer Science or equivalent; proficiency in Python, C++, SQL, MS SQL Server, Linux, BASH; knowledge of SAML, OAuth 2.0, OIDC and web security; Django and ReactJS experience; Git/SVN.
Python, C++, SQL, Microsoft SQL Server, Linux, BASH, Git, SVN, Django, ReactJS, XML, XSLT, SAML, OAuth 2.0, OIDC, JWT
3w
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AI Model Developer
Fairfax or Ashburn
$125k-$150k/yr HybridFull Time
3+ YOEBachelor's degree in CS/AI/Data Science, US citizenship and ability to obtain Public Trust, 3+ years AI/ML and full-stack experience, strong Python and ML framework skills, backend/frontend and cloud/DevOps familiarity.
Python, NumPy, Pandas, scikit-learn, TensorFlow, PyTorch, Transformers, Django, Flask, FastAPI, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Redis, Docker, Kubernetes, CI/CD, AWS, Microsoft Azure, GCP, GitHub workflows, Matplotlib, Plotly, D3.js, GraphQL, JavaScript, TypeScript, Next.js, AWS Bedrock, GCP AI Platform, Microsoft Azure ML, GitHub Actions
2mo
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Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
1mo
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Cloud Software Engineer II
Herndon or Springfield
OnsiteFull Time
7+ YOETS/SCI with Poly required; 7+ years software engineering; 5+ years Python and JS/TS; AWS CDK and cloud-native services; microservices, data engineering, ETL, DevSecOps, observability experience.
AWS, AWS CDK, Python, FastAPI, Flask, Django, Pandas, NumPy, Apache Spark, JavaScript, TypeScript, Node.js, npm, React, Vue.js, Angular, Lambda, API Gateway, EventBridge, SQS, SNS, RDS, DynamoDB, Redshift, S3, Athena, ECS, Fargate, EKS, Glue, EMR, Kinesis, Step Functions, SageMaker, Databricks, SonarQube, Snyk, Checkmarx, CloudWatch, DataDog, New Relic, Prometheus, Grafana
1w
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Full Stack Software Developer
Herndon, Virginia, United States
OnsiteFull Time
Active TS/SCI with Full Scope Polygraph required; experience building Java Spring web applications, Linux/Bash scripting, Amazon Web Services, ETL on large data sets, and developing analytics/search platforms.
Java Spring, Linux, Bash, Amazon Web Services, Solr, ElasticSearch, Python, Flask, Django, Angular 2+, PyTorch, Keras, Tensorflow, Tableau, Pandas, D3, ggplot, ElasticCache, Redis, MongoDB, DynamoDB, MySQL, Postgres, spaCy, NLTK, Stanford CoreNLP, Gensim, OCR
5d
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Full Stack Developer
Dulles, Virginia, United States
OnsiteFull Time
U.S. citizen with active TS/SCI clearance; experienced full stack developer with Java/Python/JavaScript, cloud (AWS) and DevSecOps experience; familiarity with databases, EMR, and Agile practices.
SpringBoot, Django, Flask, Angular, jQuery, Reaact, Elasticsearch, JanusGraph, DataStax Graph, PostgresSQL, Mysql, MariaDB, SQLite, Java, Python, Shell Scripting (Bash), Javascript, Eclipse, Visual Studio Code, git, Docker, AWS, S3, RDS, SNS, SQS, JSON, XML
2mo
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Mid-Level Backend Software Engineer
Gaithersburg, Maryland, United States
$87k-$157k/yr OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor's or master's in computer science/software engineering; 2–8 years experience depending on degree; strong Java or Python, REST API, SQL, and Linux skills.
Java, Python, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
4d
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Full Stack Engineer - Polygraph Required
Herndon, Virginia, United States
$114k-$248k/yr OnsiteFull Time
Active TS/SCI with Polygraph, experience building production frontend (React/Next.js) and backend (Python frameworks), cloud experience (AWS preferred), CI/CD and Git proficiency, RESTful APIs and databases, strong communication skills, able to commute to Herndon area.
React, Next.js, JavaScript, TypeScript, HTML, CSS, Python, FastAPI, Flask, Django, Node.js, Express, NestJS, SQL, NoSQL, Git, GitLab CI, AWS CodeBuild, Jenkins, GitHub Actions, Docker, Kubernetes, SNS, SQS, Kinesis, Step Functions, EventBridge, Vitest, Playwright, Pytest, Terraform, Storybook, Tailwind CSS, shadcn/ui
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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Full Stack Engineer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOETS/SCI with Polygraph required. BS/BA or equivalent experience (seniority-equivalent experience described). Proficiency with Angular 13+, Javascript, Typescript, NodeJs, NPM, HTML/CSS, Linux (Bash), asynchronous programming, and front-end testing tools.
Angular 13+, Javascript, Typescript, CSS, HTML, NodeJs, NPM, Linux (Bash), Jasmine, Selenium, Cypress, NodeJs, Java, Python, Tableau, Pandas, D3.js, ggplot, PDF.js, Flask, Django, Commercial Cloud Services (C2S), Amazon Web Services
1w
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Senior Software Engineer - Top Secret
Rockville, Maryland, United States
$131k-$237k/yr OnsiteFull Time
12+ YOEBachelor's degree or equivalent experience,12+ years software engineering experience,active Top Secret clearance with TS/SCI eligibility,experience with backend microservices,distributed systems,APIs and Kubernetes.
Rust, Go, Python, TypeScript, Django, Kubernetes, Azure/C2S, git, svn, JIRA, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, LiteLLM, CPUs, GPUs, FPGAs
1mo
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Senior Data Engineer
Herndon, Virginia, United States
$150k-$175k/yr HybridFull Time
8+ YOEUS citizen with active Secret clearance; B.S. in Computer Science (or equivalent) and 8+ years experience; strong Python, AWS, SQL/Trino, Apache Spark, dbt, and Kubernetes (Rancher) experience; DevSecOps and TDD practices.
Python, FastAPI, Django, Flask, JavaScript, Node.js, Express, Vue, Svelte, React, Java, Spring Boot, AWS, S3, RDS, EMR, Trino, Apache Spark, dbt, Rancher Kubernetes, Rancher RKE2, AWS EKS, Apache Airflow, HL7, FHIR, Mirth Connect, Great Expectations, OpenAPI, ORM
2w
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AI & Data Science Intern
Carlisle, Pennsylvania, United States
OnsiteFull Time, Internship
Pursuing a Master's or PhD in CS/DS/Engineering, strong Python and ML/CV skills, experience with FastAPI/Streamlit and libraries (pandas, scikit-learn, OpenCV, TensorFlow/PyTorch), familiarity with LLMs and agentic AI.
Python, pandas, scikit-learn, OpenCV, TensorFlow, PyTorch, FastAPI, Flask, Django, Streamlit, Reflex, React, LangChain, LlamaIndex, SEM