123 software engineer data science jobs at 63 companies in Fairfax, VA
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Data Science Software Engineer
Annapolis Junction, Maryland, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
20+ YOE20 years SWE experience, US citizenship and active security clearance, bachelor\u0002s in CS or related (or 4 additional years SWE), expertise in Java/Scala/Python, ML model development and monitoring, Linux development, and agency compliance.
Java, Scala, Python, Lucene, JEXL, SQL, JSON, Random Forest, Ghostmachine (Map/Reduce), GM Learn, Jupyter Notebooks, IntelliJ, Eclipse, Git, Gitlab, Stash, Bitbucket, Jira, Confluence, Scikit-learn, AWS, Spark, LLM
1mo
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Senior Data Science Engineer
Laurel, Maryland, United States
$180k-$220k/yr OnsiteFull Time
12+ YOERequires active TS/SCI with Polygraph, 12+ years software engineering, Bachelor's in CS (or equivalent experience), expertise in Java/Scala/Python, ML model development, Scikit-learn, Jupyter, Git tooling, and compliance analytics.
Java, Scala, Python, Lucene, JEXL, SQL, JSON, Linux, Scikit-learn, Jupyter Notebooks, Ghostmachine, GM Learn, Git, GitLab, Bitbucket, Stash, IntelliJ, Eclipse, Jira, Confluence, Random Forest, AWS, Apache Spark, Agentic AI, Large Language Models (LLMs)
1mo
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Software Data Engineer
Laurel, Maryland, United States
$112k-$179k/yr OnsiteFull Time
3+ YOEDegree in engineering/computer science/math with 5+ years (or master’s with 3+ years, PhD, or HS+6 years) of software engineering experience; active TS/SCI with poly required; experience developing, testing, and maintaining software systems.
1mo
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Data Science & AI/PQC Engineer — Federal Mission Solutions
Gaithersburg, Maryland, United States
$150k-$185k/yr OnsiteFull Time
3+ YOE3+ years experience in data science, ML engineering, software engineering, or cybersecurity; Bachelor's in a technical field (or equivalent experience); proficiency in Python and SQL; cloud/container delivery experience; U.S. citizenship and ability to obtain government security clearance.
Python, SQL, APIs, Docker, Kubernetes, Helm, CI/CD, AWS, Azure, Git, Linux, PyTorch, TensorFlow, Hugging Face Transformers, scikit-learn, XGBoost, pandas, LangChain, LangGraph, Semantic Kernel, AutoGen, MLflow, SageMaker, Vertex AI, Airflow, Kubeflow, Databricks, Tableau, Power BI, Plotly Dash, Kibana, Grafana
1mo
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Software Data Engineer 3 (Enterprise Infrastructure)
Laurel, Maryland, United States
OnsiteFull Time
3+ YOETS/SCI with polygraph required; 3–5+ years software engineering experience depending on degree; degree in Computer Science/Engineering/Mathematics or equivalent; strong software design, development, and testing skills.
2mo
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SOFTWARE DEVELOPER/DATA SCIENTIST (INTERDISCIPLINARY) - DIRECT HIRE AUTHORITY
Dahlgren, Virginia, United States
$101k-$159k/yr OnsiteFull Time, Contract
3+ YOEInterdisciplinary software engineering and data science role with security clearance; experience in development, security, and data analytics.
Python, R, Java, C#, Visual Studio, AWS, Kubernetes, GitLab, DevSecOps, ArcGIS Pro, LLMs
1mo
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Software Data Engineer 4 (EAI - 127)
Laurel, Maryland, United States
OnsiteFull Time
3+ YOEActive TS/SCI with Polygraph required. Degree in engineering, computer science, or mathematics with 3–8 years software engineering experience depending on degree; experience with Open Stack, Linux, Python, PowerShell, cloud operations, and network automation.
Open Stack, Linux, Python, PowerShell
1mo
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Software Engineer/ Data Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
U.S. citizen with active clearance and polygraph required. Bachelor's in computer science/engineering required. Strong Java and Python development, Docker/Kubernetes, Git/GitLab, Linux, and SRE familiarity required.
Java, Python, Docker, Kubernetes, Git, GitLab, Linux, Apache NiFi, Elasticsearch, Kibana, Hadoop
2w
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
2d
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Research Software Engineer - Robotics & Simulation (Data Science and AI Institute)
Baltimore, Maryland, United States
HybridFull Time
3+ YOEMaster's in a quantitative discipline, 3+ years software development and AI/ML or data science experience, expertise in scientific software engineering, cloud/on-prem workflows, databases, and strong communication skills.
Python, C++, Docker, Singularity, RESTful, SQL, Linux, Git, CUDA, PyPI, Nvidia Issac, Nvidia ML
2mo
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Software Engineer
Alexandria or United States
RemoteFull Time
7+ YOE7+ years software engineering experience; strong coding in Python/Java/Go; CI/CD and DevOps experience; SQL/NoSQL; geospatial data science and analytics experience preferred; US citizenship and TS/SCI eligibility required.
Python, Java, Go, GitLab, JIRA, Confluence, Kubernetes, SQL, NoSQL, GeoPandas, ArcGIS Pro, ArcGIS Enterprise, QGIS, Spark, Hadoop, Athena, EMR, BigQuery, Tableau, Power BI, Kepler.gl, Deck.gl
3mo
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Software Engineer, Lead
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years in software development; strong experience with Java, Kotlin, Python, JavaScript/TypeScript, C/C++, or Go; experience with AI/ML, big data; TS/SCI clearance; Bachelor's in Engineering, Science, or Technology.
Java, Kotlin, Python, JavaScript, TypeScript, C/C++, Golang, AI, machine learning, big data, data science, cloud platforms
1mo
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Principal Software Engineer
Fairfax, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in CS/Software Eng/Data Science (or equivalent experience), 9+ years related experience (7+ with graduate degree) with Python, Linux/Windows, databases, JSON/REST, Git/SVN, and production-quality software development.
Python, Linux, Windows, Android, JSON, CSV, XML, REST APIs, sockets, message queues, PostgreSQL, SQLite, InfluxDB, object storage, Git, SVN, Flask, FastAPI, Django, Dash, Docker, CI/CD pipelines
1mo
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Cloud Software Engineer
Potomac or Maryland
OnsiteFull Time
12+ YOEU.S. citizenship and active TS/SCI with Full Scope Polygraph required; 12 years software engineering experience (4 years with Big-Data cloud/Distributed Computing); Bachelor's in Computer Science or equivalent; experience with Hadoop, Java, MapReduce, HDFS, HBase, ZooKeeper, and SIGINT collection disciplines.
Hadoop, Java, Python, CFEngine, Bash, Ruby, Java Virtual Machine (JVM), Eclipse, Maven, RESTful web services, YARN, J2EE, MapReduce, ZooKeeper, HDFS, HBase, JMS, Apache Lucene, Apache Solr, MongoDB, XML, JSON, CSV, Avro, CentOS, Linux, Red Hat, Subversion, ClearQuest, Razor, VMware, VirtualBox
1mo
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Data Engineer - TS/SCI with Polygraph
Chantilly, Virginia, United States
$221k-$299k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOEActive TS/SCI with Polygraph required, 10+ years related experience, BS in Computer Science or equivalent, expertise in data engineering, ETL, backend development, cloud, containerization, and strong software lifecycle skills.
Java, Python, Angular, Java Script, Go, Elastic Search, Kafka, Airflow, AWS, Azure, GCP, Docker, Kubernetes, CI/CD
2mo
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Software Engineer with Data Management Experience
Linthicum Heights, Maryland, United States
$132k-$290k/yr OnsiteFull Time
10+ YOEActive TS/SCI with Polygraph, 10+ years SWE experience, Bachelor's in Computer Science (or +4 years experience), proficiency with Pig and PySpark, strong analytics development background.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
2d
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SuccessFactors Recruiting: Research Software Engineer - Robotics & Simulation (Data Science and AI Institute) (121856)
Baltimore, Maryland, United States
HybridFull Time
3+ YOEMaster's in a quantitative discipline required,3+ years software development and AI/ML or data science experience,expertise in scientific software engineering,Python or C++,containerization,SQL,Linux,Git,cloud and strong communication skills.
Python, C++, Docker, Singularity, RESTful, SQL, Linux, Git, Continuous Integration / Continuous Delivery, CUDA, PyPI, Nvidia
4w
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Senior AI Software Engineer
Washington, District of Columbia, United States
$180k-$210k/yr HybridFull Time
10+ YOEBachelor's in CS/EE/Software/Data Science,10+ years software engineering,technical lead experience,Python/FastAPI/asyncio,distributed systems,Docker,Kubernetes,CI/CD,AWS or Azure,hardware-software integration,ability to obtain US secret/top secret clearance.
Python, asyncio, FastAPI, Pydantic, Docker, AWS, Azure, GitLab CI, GitHub Actions, Kubernetes, Terraform, Helm, GNU Radio, Ettus USRP, USRP, SoapySDR, UHD
1mo
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Lead AI Software Engineer
United States or Tysons
$113k-$188k/yr RemoteFull Time
6+ YOEAbility to obtain Public Trust; BA in CS/Engineering/Data Science or equivalent; 6+ years software engineering experience; expert Java or Python, ReactJS, AWS, RDBMS, CI/CD, DevSecOps, SAFe experience, and leadership/mentoring skills.
AWS, Lambda, ECS/Fargate, API Gateway, Step Functions, S3, Glue, ReactJS, Java, Python, PostgreSQL, MySQL, Aurora, GitHub Copilot, Cursor, Claude Code, LangChain, Haystack, Semantic Kernel, D3.js, Plotly, Tableau, QuickSight, Terraform, AWS CDK, CloudFormation, SAST, DAST, SCA, CI/CD
2d
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Mid-Level Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
6+ YOETS/SCI with polygraph,6+ years software development experience,BS in Computer Science (or 10 years additional experience),strong Java and integration skills,SharePoint and FEITH experience,Gitlab/Maven/JFrog,REST and data parsing.
AWS, SharePoint, C++, FEITH Records Management System, SQL, SQL Server, Java, Oracle, Linux, Windows, JIRA, Confluence, Gitlab, Maven, JFrog Artifactory, REST, JSON, XML, Microsoft Excel