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
3mo
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Data Scientist
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOEActive TS/SCI with Poly; 5+ years in data science; degree in data science, CS, stats, math; proficiency in Python/R; ML frameworks; SQL; visualization; cloud.
Python, R, Scikit-learn, TensorFlow, PyTorch, SQL, Tableau, Power BI, Matplotlib, Seaborn, AWS, Azure, GCP
3mo
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
TS/SCI with Polygraph; Bachelor's in data science/CS/math/statistics or related field; strong data science, ML, statistics; Python with ML frameworks; large-scale data experience; statistical modeling; data visualization; problem solving in mission-driven environments.
Python, TensorFlow, PyTorch, Scikit-learn, Tableau, Power BI
2mo
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Data Engineer, Mid
McLean or Chantilly
$62k-$141k/yr HybridFull Time
SQL, Java, or Python and Spark; highly structured data; data modeling; Bachelor's degree; TS/SCI clearance with polygraph; experience with data pipelines and big data platforms.
SQL, Java, Python, Spark
2mo
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Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
2mo
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI with Polygraph; strong SQL, Python, PySpark; AWS; Linux; ETL; data ingestion/transform; quick learner; good communicator.
SQL, Python, PySpark, AWS, Linux, APIs, Geospatial tools, ETL
3mo
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Data Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOE5+ years in data engineering; TS/SCI with Poly; BS in CS or related; SQL, Spark, ETL/ELT; cloud platforms; Python/Scala/Java.
SQL, PostgreSQL, MySQL, SQL Server, Spark, Hadoop, Apache Airflow, Informatica, AWS, Azure, GCP, Python, Scala, Java, Snowflake, Redshift, BigQuery
2mo
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOE2+ years software development; Python/Java; strong SQL; Big Data ingestion/ETL; REST APIs; Airflow; Linux; JDK/J2EE/Spring.
Python, Java, SQL, Apache Airflow, REST, Linux, JDK, J2EE, EJB, JDBC, Spring
2mo
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Data Engineer
Chantilly, Virginia, United States
$78k-$176k/yr HybridFull Time
3+ YOE3+ years data pipelines, ETL using Java/Python/SQL/Scala; 2+ years PostgreSQL or Kafka; AWS experience; end-to-end data/ML pipelines in Cloud; MLOps knowledge; Top Secret clearance; Bachelor's degree.
AWS, Kafka, NiFi, Terraform, Ansible, Java, Python, SQL, Scala, PostgreSQL
1w
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Data Scientist - Mid
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
4+ YOEBachelor's in a quantitative field required, 4+ years data science experience, proficiency with Python or R and SQL, experience with statistical methods, data visualization, and TS/SCI clearance with polygraph.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas, SAFe
1mo
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Data Engineer
Fairfax or Ashburn
$145k-$160k/yr HybridFull Time
3+ YOEUS citizen able to obtain Public Trust; Bachelor's in STEM required; 3+ years data engineering or related experience; working knowledge of Python and/or SQL; familiarity with Airflow, Spark, or AWS Glue; strong communication skills.
Apache Airflow, AWS Glue, Apache Spark, Kafka, Python, SQL, SharePoint, Confluence, GitLab, AWS, Microsoft Azure, Google Cloud Platform (GCP)
2mo
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DS Data Engineer
Chantilly or Chantilly
OnsiteFull Time
2+ YOEHigh School Diploma or GED with 2+ years in software development; strong SQL/DB; Python/Java; Big Data; REST APIs; ETL; Linux.
Python, Java, SQL, JDK, J2EE, EJB, JDBC, Spring, REST APIs, Apache Airflow, ETL, Linux
1w
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Data Scientist - Mid
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
4+ YOEBachelor's or equivalent,4+ years data science experience,proficiency in Python or R and SQL,statistics and visualization experience,TS/SCI clearance with polygraph willingness.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas
3w
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Senior Data Scientist
Kearneysville, West Virginia, United States
$133k-$169k/yr HybridFull Time
9+ YOEDoD 8570 IAT Level II cert, active Secret clearance, 9+ years experience, Python and SQL expertise, experience building ML models and large-scale data pipelines, data governance knowledge, and familiarity with Jira or Azure DevOps.
Python, SQL, Jira, Microsoft Azure DevOps, Kubernetes, Docker, GIS, DISA STIGs
3w
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Senior Data Scientist
Chantilly, Virginia, United States
$102k-$213k/yr OnsiteFull Time
3+ YOEActive in-scope TS/SCI w/ poly, U.S. citizenship, 3+ years data science experience, STEM bachelor's degree required, Python, Linux/Windows, experience with cyber data (e.g., Shodan, Censys.IO), and processing large volumes of unstructured text.
Python, Linux, Windows, Shodan, Censys.IO
1mo
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Senior Data Scientist
Sterling, Virginia, United States
$152k-$206k/yr HybridFull Time
10+ YOEBachelor of Science, 10+ years related experience, current Secret clearance, US citizenship required. Strong Python, ML, data modeling, SQL, Windows/Linux skills; excellent communication and documentation.
Python, SQL, Windows, Linux
2mo
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AI Data Scientist
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOE5+ years Data Science; ML/AI; Python/R; SQL; AWS; NLP; data viz; US citizen; CBP BI clearance; Bachelor's in CS/Math/Stats/IS; Masters preferred
Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, XGBoost, Tableau, QuickSight, Power BI, QlikView, D3.js, AWS, EMR, Redshift, SageMaker, Comprehend, Glue, S3
5d
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AI Data Scientist
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOE5+ years experience in data science with expertise in ML, LLMs/NLP, deep learning, statistics, AWS analytics, Python/R and SQL; BS required, MS preferred; strong visualization and stakeholder communication skills.
TensorFlow, PyTorch, Scikit-learn, XGBoost, Tableau, QuickSight, Power BI, QlikView, D3.js, EMR, Redshift, SageMaker, Comprehend, Glue, S3, Python, R, SQL
2mo
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Sr. Data Engineer
Fairfax, Virginia, United States
$106k-$159k/yr OnsiteFull Time
8+ YOE8+ years IT data architecture, public trust clearance, US citizen, Bachelor's degree; Expertise in Databricks, Delta Lake, Delta Live Tables; Spark; ETL/ELT tools; advanced SQL; data pipelines; AWS; CI/CD; Kafka; Python.
Databricks, Structured Streaming, Delta Lake, Delta Live Tables, Spark, Spark SQL, Spark DataFrames, PySpark, SSIS, Pentaho, Data Migration Service, Python, Pytest, Unittest, JSON, Kafka, Confluent, Schema Registry, ksqldb, Kafka Streams, Airflow, Jenkins, Docker, CloudWatch, AWS, DynamoDB, S3, Kinesis, DBT, Great Expectations
1mo
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Data Analytics Specialist
Dulles or Herndon
HybridFull Time
Bachelor's in Engineering/Computer Science/Data Science required; robust Python coding, API experience, data structures/algorithms; authorized to work in the US; ~10% travel; fluent English; 3–5 years analytics experience preferred; DevOps/cloud experience preferred.
Python, APIs, DevOps
1mo
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Data Scientist - Intelligence Support (TS/SCI)
Springfield, Virginia, United States
OnsiteFull Time
10+ YOETop Secret / SCI clearance; advanced degree with years or extensive experience; Python proficiency; strong data visualization and analytics skills.
Python, ArcGIS, Model Builder, JEMA, Brewlytics