18 python tech jobs at 13 companies in Winchester, VA
2mo
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Lead Data Engineer - HR Tech
McLean or Richmond
$197k-$225k/yr OnsiteFull Time
4+ YOELead data engineer with 4+ years in app development, 2+ years in big data, 1+ year cloud experience; strong programming in Java/Scala/Python; Snowflake data warehousing; GenAI/AI tooling experience preferred.
Java, Python, SQL, Scala, Snowflake, AWS, Azure, Google Cloud, Hadoop, Spark, Kafka, Gurobi, MySQL, Unix/Linux, NoSQL, MongoDB, Cassandra
2mo
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Data Scientist - Tech - Top Secret required to apply - DC area
Reston, Virginia, United States
$165k-$175k/yr OnsiteFull Time
Top Secret clearance required. Experienced in ML, predictive analytics, statistical analysis, data engineering, NLP, computer vision, Python, R, Java, Scala, SQL, Power BI, and Tableau.
Microsoft Power BI, Tableau, R, Python, SQL, Deeplearning4j, Torch, TensorFlow, Caffe, Neon, cuDNN, OpenCV, Hadoop, HDFS, HBase, Hive, Impala, Giraph, Sqoop, Spark, MLlib, GraphX, DataFrames, Java, Scala
2mo
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Sr. Delivery Consultant - AI/ML, AWS Professional Services
Jersey City or Seattle or Arlington or Atlanta or New York or Denver or Herndon or Chicago or Mountain View or Dallas or Arlington
$154k-$239k/yr OnsiteFull Time
5+ YOE5+ years ML/analytics, 3+ years customer-facing, 4+ years Data & AI tech, coding with SQL/Python.
SQL, Python, R, SAS, Matlab
3w
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Full Stack Developer - Tech Dev (TS/SCI Required)
Washington or Reston
$165k-$185k/yr OnsiteFull Time
7+ YOE7+ years software development; bachelor’s degree or associate with 10+ years; full‑stack frontend and backend experience; strong SQL and DB skills; Git experience; active TS/SCI clearance and CI polygraph capability.
.NET, .NET Core, C#, Python, JavaScript, TypeScript, HTML, CSS, React, Angular, Vue.js, Node.js, SQL, Oracle, SQL Server, MySQL, Dynamo, Postgres, MongoDB, Gitlab, GitHub, Git, DevSecOps, YAML, Data Bricks, Jupyter Notebook, Atlassian, UI Path
1w
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Forward Deployed Engineer IV, GenAI, Public Sector
Reston, Virginia, United States
$207k-$300k/yr OnsiteFull Time
8+ YOEBachelor's in CS/Engineering or equivalent,8+ years software development with Python,experience architecting AI systems on cloud,building data pipelines,leading tech discovery sessions.
Python, Google Cloud Platform (GCP), vector databases, RAG, LangGraph, CrewAI, ADK, ReAct, Vertex AI Pipelines, Kubeflow, MLflow, BigQuery, VertexAI
1w
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Senior Site Reliability Engineer
Reston or Austin
$81k-$187k/yr OnsiteFull Time
3+ YOEUS citizen with TS/SCI w/Poly clearance preferred, tech bachelor's or equivalent, 3+ years SRE/operations experience, proficiency in Linux, cloud, automation, and scripting (Python/Bash/etc.).
Linux, Unix, Docker, Kubernetes, Terraform, Shell, Perl, Python, Java, Go, Bash, Ruby, JavaScript, Chef, Puppet
5d
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AI Data Readiness Lead
Reston, Virginia, United States
$123k-$179k/yr HybridFull Time
5+ YOEBachelor's degree, 5+ years data engineering experience (10+ program delivery with 3+ in tech preferred), proficiency in SQL and Python, Databricks and ETL/ELT pipeline experience, data quality and governance expertise.
SQL, Python, Databricks, Delta Lake, Power BI, Git
1mo
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Senior Technical Writer
Austin or Reston
HybridFull Time
2+ YOE2+ years technical writing in tech environments, strong written communication, experience with self-hosted and SaaS documentation, deep knowledge of generative AI concepts, familiarity with LLM APIs and Python, and ability to design documentation architecture.
SeekrFlow, SeekrGuard, AWS, Azure, GCP, OCI, large language model APIs, Python
2mo
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Software Quality Assurance Specialist/Applications Tester
Chantilly or Herndon
OnsiteFull Time
5+ YOEExperience in software testing, documentation, Agile Scrum, cloud tech, and web UI testing.
AWS, Azure, Jenkins, GitHub, Docker, Ansible, CloudFormation, Terraform, Linux, Bash, Python, ELK, JavaScript, HTML, CSS
2mo
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Sr. Applied AI Solutions Architect, Amazon Connect
Seattle or New York or Denver or Herndon or Chicago or San Francisco
$154k-$239k/yr OnsiteFull Time
8+ YOE8+ years in tech domains; 3+ years design/implementation; 10+ years IT development/consulting; strong AWS/AI experience.
AWS Lambda, API Gateway, Step Functions, Python, Node.js, MCP, Kiro
2mo
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Senior Applied AI Solutions Architect — Amazon Connect, Applied AI SA - AIVT
Seattle or Arlington or Atlanta or New York or Denver or Herndon or Chicago or Mountain View or San Francisco
$154k-$239k/yr OnsiteFull Time
7+ YOE7+ years in tech domains; 3+ years design/implementation; familiarity with MCP/A2A; AI/ML knowledge; Bedrock experience preferred.
Amazon Bedrock, Model Context Protocol (MCP), Agent-to-Agent (A2A), AWS Lambda, API Gateway, Step Functions, Python, Node.js, DynamoDB, RDS, S3, OpenSearch, Kendra, Bedrock Knowledge Bases, Guardrails
2mo
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Senior Applied AI Solutions Architect — Amazon Connect, Applied AI SA - AIVT
Seattle or Arlington or Atlanta or New York or Denver or Herndon or Chicago or Mountain View or San Francisco
$154k-$239k/yr OnsiteFull Time
7+ YOE7+ years in tech domains; 3+ years design/implementation; familiarity with MCP/A2A; AI/ML concepts incl. LLMs, prompt engineering, RAG.
Amazon Bedrock, MCP (Model Context Protocol), A2A (Agent-to-Agent), AWS Lambda, API Gateway, Step Functions, Python, Node.js, DynamoDB, RDS, S3, OpenSearch, Kendra
3mo
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Sr. Delivery Consultant - AI/ML, AWS Professional Services
Jersey City or Seattle or Bellevue or Atlanta or New York or Denver or Chicago or Houston or Dallas or Jersey City or Herndon or Denver or Jersey City
$154k-$229k/yr OnsiteFull Time
5+ YOE5+ years data querying, scripting, ML/Analytics; 3+ years customer-facing; 4+ years AI/Data tech; 3+ years coding
SQL, Python, R, ML frameworks, Cloud services, AWS AI/ML services
2w
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Senior Software Development Engineer, Engagement Security
Herndon or Seattle
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years professional software development with programming, system design/architecture, mentoring/tech lead experience; experience with Linux, cloud platforms, AI/ML and on-call operations.
PyTorch, TensorFlow, Python, BERT, GPT-2, GPT-3, Linux, AWS
1mo
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Marketing Technology Specialist
Frederick, Maryland, United States
$71k-$88k/yr HybridFull Time
2+ YOEBachelor's degree,2+ years marketing technology or related experience,proficiency with marketing tech stack and analytics,knowledge of data privacy/compliance,strong communication and project management skills.
Sitefinity, Contentful, WordPress, Drupal, Google Analytics, Adobe Analytics, Salesforce, Microsoft Dynamics, Brandfolder, Bynder, Jira, Wrike, HubSpot, Marketo, Pardot, Eloqua, Google Tag Manager, Tableau, Power BI, HTML, CSS, JavaScript, APIs, SQL, Python
2d
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Senior Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$172k-$232k/yr RemoteFull Time
5+ YOEActive U.S. Top Secret clearance, Bachelor’s degree, 5+ years software development with Java/C++ and modern web tech, experience with Agile/DevSecOps, Windows and Linux, and CI/CD.
Java, ReactJS, Python, CI/CD pipelines, C++, Angular, HTML, CSS, Windows, Linux, DevSecOps
1d
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Web Developer Security Engineer
Ashburn, Virginia, United States
OnsiteContract, Full Time
3+ YOEMinimum 3 years AppSec or SSDLC experience, bachelor’s degree in CS/related field, current AppSec/offensive/foundational security certification, proficiency with web techs and security tooling, strong risk assessment and remediation skills.
.NET, C#, WCF, HTML5, CSS3, JavaScript, REST APIs, SQL, Python, Node.js, Java, React.js, TypeScript, OWASP Top 10, Wireshark, SIEM, IDS/IPS, NDR, EDR, CI/CD, AWS, Docker, Kubernetes
3mo
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Senior Scientist
Chantilly or Ypsilanti
$99k-$207k/yr OnsiteFull Time
Citizenship in the U.S. with active TS/SCI clearance with polygraph; degree in Electrical Engineering, Signals Processing, Physics, or related field; experience translating SAR tech to software; multi-language software skills; ability to work independently or in a team.
C++, Python, MATLAB, Rust