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1,085 software data jobs at 433 companies in Washington, DC

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Data & Software Engineer
McLean, Virginia, United States
OnsiteFull Time
Bespoke Technologies
Bespoke Technologies: Provides technical engineering and data solutions for national security.
5+ YOERequires active Poly clearance, 5+ years building production Python-based data pipelines, Spark/PySpark expertise, containerization and AWS deployment, SQL/NoSQL tuning, orchestration, data lineage/catalog, Bash, and AI/ML integration.
Python, Java, Apache Spark, PySpark, Pandas, NumPy, Docker, Podman, AWS S3, AWS Lambda, AWS Step Functions, Apache Iceberg, Airflow, MySQL, PostgreSQL, Trino, SQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS, Git, Bash
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1mo
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Data & Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Avalore
Avalore: Provides data analytics and engineering for national security.
5+ YOE5+ years building production data pipelines with Python and Spark/PySpark; advanced Python (Pandas, NumPy); Docker/Podman; AWS S3, Lambda, Step functions; Airflow, Apache Iceberg; SQL/Trino, NoSQL/DynamoDB; Terraform/CloudFormation; data lineage and geospatial tools.
Apache Spark, PySpark, Python, Pandas, NumPy, Docker, Podman, AWS S3, Lambda, Step functions, Apache Iceberg, Airflow, SQL, Trino, NoSQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS, MySQL, PostgreSQL, Git, Bash, Java, AI/ML
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3mo
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Data & Software Engineer
McLean, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
5+ YOETS/SCI with polygraph; Bachelor's in CS/Engineering/Finance or related field; 5+ years in data/ETL/Cloud tech
Python, Java, Apache Spark, PySpark, Docker, Podman, AWS S3, AWS Lambda, AWS Step Functions, Apache Iceberg, Airflow, SQL (Trino), NoSQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS
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1mo
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Software Data Engineer
Laurel, Maryland, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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.
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3mo
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Data & Software Engineer
McLean, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
5+ YOEActive TS/SCI with Poly; Bachelor's in CS/Engineering or related field; 5+ years with Spark, PySpark, Python; AWS, SQL/NoSQL; data pipelines and ETL at scale.
Spark, PySpark, Python, Docker, Podman, AWS S3, AWS Lambda, AWS Step Functions, Apache Iceberg, Airflow, SQL, Trino, NoSQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS
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2mo
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Software/Data Engineer
Laurel or Fort Meade
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
19+ YOEBachelor's in engineering/CS/math with extensive software engineering experience; cloud, Linux, Python; TS/SCI with poly.
OpenStack, Linux, Python, PowerShell, AWS, Azure, Cloud infrastructure, Network automation tools
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2d
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Data and Software Programmer
Reston, Virginia, United States
$90k-$140k/yr OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
5+ YOEBachelor's in software/design/data science, 5+ years relevant programming or research analysis, TS/SCI eligibility, Sec+ (or equivalent), experience with modern programming languages and data analysis.
Javascript, Typescript, Python, Java, C, Git, Bash, ssh, Python notebooks, stream-lit, Model Context Protocol (MCP), Langchain, SQL, graph, vector
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2w
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Data/Software Engineer
McLean, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
5+ YOE5+ years building production data pipelines; advanced Python (Pandas, NumPy), Spark/PySpark, AWS, SQL/NoSQL, containerization, orchestration, IaC, Git, Bash, and knowledge of data governance and security; TS/SCI clearance required.
Python, Pandas, NumPy, Apache Spark, PySpark, Docker, Podman, AWS S3, AWS Lambda, AWS Step Functions, Trino, MySQL, PostgreSQL, DynamoDB, Apache Airflow, Apache Iceberg, Terraform, CloudFormation, Git, Bash, Unity Catalog OSS, Apache Polaris, OpenLineage, Apache Superset, H3, PostGIS
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1mo
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Software/Data Engineer_SWD6_TTO0400
Laurel, Maryland, United States
OnsiteFull Time
LifeCycle Corporation
LifeCycle Corporation: Strategic technology and branding solutions for federal and private sectors.
14+ YOETS/SCI with polygraph required; extensive software engineering experience with strong Linux and Python background; cloud infrastructure, automation, and DevOps familiarity; experience with OpenStack, PowerShell, and AWS preferred.
OpenStack, Linux, Python, PowerShell, AWS
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3mo
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Software Engineer/Data Manager
Alexandria or Quantico
OnsiteFull Time
JASINT
JASINT: Providing cybersecurity and technical services for national security missions.
8+ YOEActive TS/SCI with Poly required; Bachelor’s or Master’s with 8+ years (or specialized training with 10+ years); senior-level experience in data management, knowledge management, and software development.
Python, Java, C++, Microsoft SharePoint, Microsoft PowerPoint, Visual Studio
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2w
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Software Data Engineer Mid-Level
Laurel, Maryland, United States
$140k-$180k/yr OnsiteFull Time
Integrity Technology Consultants
Integrity Technology Consultants: Provides engineering and management consulting solutions to US national security.
5+ YOETS/SCI with full-scope polygraph required; minimum 5 years software engineering experience (or specified alternatives by degree); proficiency in software development, testing, and system performance analysis.
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1mo
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Principal Software/Data Engineer
Laurel, Maryland, United States
OnsiteFull Time
Themis Insight
Themis Insight: Provides technical consulting and data analytics for national security.
19+ YOEExtensive software engineering experience; TS/SCI with polygraph; cloud infrastructure experience; strong Linux and Python; IT management understanding.
OpenStack, Linux, Python, Cloud infrastructure, COTS, GOTS
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4w
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Data Warehouse Software Engineer I
Reston or Somerville or Chagrin Falls or Boston or Cleveland or United States or Australia or Canada or Israel or Japan or United Kingdom
$70k-$80k/yr HybridFull Time
Babel Street
Babel Street: AI-powered identity intelligence and risk operations software solutions.
Foundational SQL, BigQuery, Looker, basic Python and Git, familiarity with Apache Airflow (Cloud Composer), data modeling and BI experience, strong attention to data quality and business analysis skills.
Google Cloud Platform (GCP), BigQuery, Looker, Apache Airflow, Cloud Composer, Python, Git, SQL, Tableau, Microsoft Power BI
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2mo
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SOFTWARE DEVELOPER/DATA SCIENTIST (INTERDISCIPLINARY) - DIRECT HIRE AUTHORITY
Dahlgren, Virginia, United States
$101k-$159k/yr OnsiteFull Time, Contract
Joint Warfare Analysis Center
Joint Warfare Analysis Center: Provides engineering and scientific analysis for US national security.
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
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1mo
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Software/Data Engineer 6 (EAI - 120)
Laurel, Maryland, United States
OnsiteFull Time
SageCor Solutions
SageCor Solutions: Provides engineering services for the intelligence community.
14+ YOETS/SCI with poly; extensive experience in software engineering; cloud, Linux, Python; strong IT management/operations knowledge; certifications a plus.
OpenStack, Linux, Python, PowerShell, Cloud security, AWS, Azure
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1mo
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AI/ML Data Architecture Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
SEACORP
SEACORP: Provides engineering and technology services for naval defense systems.
3+ YOEBachelor's degree in CS/IS/CE; 3 years of relevant experience; strong data warehouse, database, and software development skills; ability to obtain DoD Secret Clearance.
Git, Linux, C++, Java, Python, PostgreSQL, MongoDB, Kafka, Spark, Kubernetes, VS Code
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5d
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Software Engineer (Data Engineer)
Herndon, Virginia, United States
OnsiteFull Time
Ardent Principles
Ardent Principles: Provides specialized technology and program management services to government agencies.
Active TS/SCI with Full Scope Polygraph required; proven experience designing and maintaining production data pipelines, SQL optimization, API integrations, Python, cloud data platforms, and data modeling.
Apache Airflow, SQL, JSON, XML, Python, AWS, Azure, GCP, Apache Spark, PySpark, DBT (data build tool), Terraform, CloudFormation, Git, Kafka, Kinesis, Great Expectations, Soda, Monte Carlo, Docker, Kubernetes, ServiceNow, Forward Networks, NetIM, SolarWinds
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2d
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Staff Software Engineer – Data Team #4555
Menlo Park or Sunnyvale or Washington or North Carolina or United Kingdom
$169k-$224k/yr HybridFull Time
GRAIL
GRAILNasdaq: GRAL: Develops blood tests for early-stage multi-cancer detection.
7+ YOE7+ years building production-grade, data-intensive software systems; proficiency in Go or Python; BS in CS/Engineering/Bioinformatics or equivalent experience; experience with data modeling, validation, and regulated clinical data preferred.
Go, Python, SQL, Next-generation sequencing (NGS)
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4w
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Senior Big Data Software Engineer - Remote
Eden Prairie or Minneapolis or Washington or United States
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
6+ YOEUndergraduate degree or equivalent; 6+ years software development; 5+ years with Scala, Python, JSON, Web Services; 3+ years SQL; 2+ years Spark/Databricks/Hadoop/Snowflake; Agile/SCRUM experience.
Scala, Python, JSON, Web Services, SQL, Spark, Databricks, Hadoop, Snowflake, Kafka, NoSQL, Docker, Kubernetes, Microsoft Azure
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2w
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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
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