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Python Software Developer Jobs in Chantilly, VA, US
2,200+ python software developer jobs from 490+ companies hiring in Chantilly, VA, US.
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Senior Software Engineer, Platform
Chantilly or Herndon or Washington
HybridFull Time
Strong Python, microservices, gRPC, PostgreSQL/DuckDB, Docker/Kubernetes, message brokers, and AWS experience.
Python, gRPC, Protocol Buffers, PostgreSQL, DuckDB, RabbitMQ, Docker, Kubernetes, AWS, HTTP API, Event-driven architectures
3w
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Staff Software Engineer - Amazon Connect REMOTE
Frisco or Overland Park or Danbury or Franklin or Coral Gables or Tampa or Alpharetta or King of Prussia or Chicago or Boston or Birmingham or New York City or Lake Mary or Charlotte or Houston or Sunrise or Hartford or San Antonio or Alexandria or Independence or Hunt Valley
$116k-$174k/yr RemoteFull Time
8+ YOE8+ years in software development and cloud computing; extensive AWS experience; AWS certification required; Bachelor's degree in CS/IT or related field.
AWS, Amazon Connect, AWS Lambda, API Gateway, DynamoDB, EventBridge, CloudWatch, SQS, KMS, S3, Terraform, Node.js, Python, Java
2mo
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Senior Software Engineer
Bethesda, Maryland, United States
$140k-$235k/yr HybridFull Time
4+ YOETS/SCI clearance; Bachelor’s 4-8 yrs or Master’s 2-6 yrs; C#; API development; SQL Server; ETL; microservices; DevOps tools; AWS; Docker; AI/ML knowledge.
C#, API development, SQL Server, ETL, microservices, Docker, DevOps, GitLab, Jenkins, AWS, Lambda, GraphQL, Python, Bash, Apache NiFi, Kafka, Linux
2mo
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Software Engineer – (Hybrid-Remote in NOVA area) – McLean, VA; position requires a TS/SCI Clearance with polygraph
McLean, Virginia, United States
HybridFull Time
6+ YOEActive TS/SCI with poly, 6–10 years software development, BS in CS/Software Engineering, strong Python/Django, React/TypeScript, Docker, AWS.
React.js, TypeScript, JavaScript, Django, Python, FastAPI, Golang, Docker, Docker Compose, Jenkins, GitHub Actions, GitLab CI/CD, AWS, RDS Aurora, ECS/EKS, VPC, S3, EC2, CloudFormation, PostgreSQL, ElasticSearch, Kibana, OpenLayers, Terraform, Ansible, Open Source data tools
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance; degree in CS/EE/Physics or related; programming in Python/C++/Rust; Linux/cloud experience; onsite work; strong problem-solving.
Python, C++, Rust, Linux, AWS
1w
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Senior Software Engineer
Arlington, Virginia, United States
HybridFull Time
7+ YOE7+ years C++ development; build/environments (Make/CMake); Linux; US work authorization; BS in Electrical Engineering or Computer Science; MS preferred; CI/CD experience a plus; GPU/AI/ML interest.
C++17, CUDA, TensorRT, Python, PyTorch, CMake, Docker, GitLab, GoogleTest, Pytest
1w
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Software Developer (Active TS/SCI Required)
Tysons/McLean/Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance required; Bachelor’s in CS/Engineering; Python/Java/C++/JavaScript; Git; cloud experience preferred; strong fundamentals in data structures and algorithms.
Python, Java, C++, JavaScript, Git, AWS, Azure, GCP
6d
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Senior Software Engineer - APIs
Ashburn, Virginia, United States
$120k-$145k/yr RemoteFull Time
5+ YOE5+ years Java 8+ with Spring; AWS; SQL; Snowflake; Scala/Python; web services; GA/DG experience; English fluency.
Java, Spring Framework, AWS, SQL, Snowflake, Scala, Python, JSON, GeoJSON, Git, Unit testing, Docker, Kubernetes
1mo
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Software Developer (Automation & Distributed Integration Systems)
Ashburn, Virginia, United States
$115k-$117k/yr HybridFull Time
5+ YOE5+ years software testing and test automation; strong C#/.NET Core; experience with backend services, APIs, distributed systems; CI/CD; test frameworks.
C#, NET Core, PowerShell, Python, HTTP/REST, TCP/IP, Sockets, xUnit, NUnit, MSTest, Git, CI/CD, Postman, Newman, RestAssured, Docker
2mo
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Signals Software Engineer (RC-3)
Annapolis Junction, Maryland, United States
$210k-$250k/yr OnsiteFull Time
12+ YOEExperience with C++, Java, Linux; RF signal processing; software design and testing; leadership of software teams; TS/SCI with polygraph clearance.
C++, Java, Linux, Jenkins, Bamboo, Docker, Kubernetes, Python, Git, Clearquest, Trac, Subversion, Matlab, Simulink, GNU, REDHAWK, SCA
3w
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Senior Software Engineer, Growth
Boston, Massachusetts, United States
$148k-$222k/yr OnsiteFull Time
Senior software engineer with full-stack experience, focus on onboarding and user experience, data-driven, AI-aware, leadership and mentoring responsibilities.
HTML, TypeScript, JavaScript, React, Python, Django, MySQL, Cassandra, RabbitMQ, Redis, AWS, Terraform, Ansible, Packer
1mo
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Cleared AI/ML Software Engineer - Expert
Fairfax, Virginia, United States
$180k-$240k/yr OnsiteFull Time
10+ YOE10+ years software development, 5+ years AI/ML, TS/SCI with poly clearance, strong Python/Java/JS/C/C++, AWS, ML frameworks.
Python, Java, JavaScript, C++, Rust, PyTorch, TensorFlow, Scikit-learn, SQL, NoSQL, REST, GraphQL, Linux, AWS
3w
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NASA Software Engineer (cFS)
Greenbelt, Maryland, United States
OnsiteFull Time
15+ YOEBachelor's in CS/Math/Engineering; 15 years software experience including cFS and COSMOS; C, scripting, and Linux; background check and drug screen.
CFS, COSMOS, Python, Ruby, Bash, Linux
3w
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Intern- Software Engineer
Herndon, Virginia, United States
$25/hr HybridInternship
0+ YOEPursuing a Bachelor's degree in Computer Science or Engineering; strong programming skills; knowledge of databases; AI/ML fundamentals; good communication; eager to learn.
Java, Python, JavaScript, C#, SQL, NoSQL, HTML, CSS, GitHub Copilot, ChatGPT, Claude
1mo
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CNO Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
Strong low-level programming skills (C/C++, Rust, Go); OS internals; scripting; security tooling; MITRE ATT&CK familiarity; polygraph clearance; US citizenship; bachelor’s degree in CS/Engineering.
C/C++, Rust, Go, Python, Bash, PowerShell, Windows, Linux, Git, CI/CD, MITRE ATT&CK, Cobalt Strike, Metasploit
2mo
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Staff Software Engineer - Federal
Washington, District of Columbia, United States
$161k-$221k/yr RemoteFull Time
8+ YOE8+ years of coding and scripting experience; Python required; Terraform and cloud tooling; experience with ETL/ELT, security data ingestion, and regulated environments; TS/SCI clearance is a plus.
Python, Terraform, CI/CD, AWS, GCP, Azure, PowerShell, Bash, Go
2mo
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Software Engineer Intern
Alexandria, Virginia, United States
$20/hr OnsiteFull Time, Internship
0+ YOECurrently enrolled in undergraduate or graduate program; experience with AWS, GCP, or Azure; Python programming; git; Office; strong communication; able to work in fast-paced team.
Amazon Web Services, Google Cloud Platform, Microsoft Azure, Git, GitHub Copilot, Terraform
1mo
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Full Stack Software Engineer, Developer (Experienced or Senior)
Chantilly or Seal Beach
OnsiteFull Time
5+ YOE5+ years in OO design and Java/C++/Python; full-stack Java development; active Top-Secret/SCI eligibility with CI poly; aerospace/space domain experience preferred.
Java, C++, Python, Spring, Hibernate, JDBC, REST/Open API, Jenkins, GitLab CI, Maven, Gradle, SQL, NoSQL, WebLogic, JMS, HTML, CSS, JavaScript, React, Open Layers
2mo
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Software Engineer II (Fullstack, Business Systems)
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
2+ YOEBS in Computer Science or related field; 2–4 years software development; API design/integrations; relational DB design; production web apps; strong communication; AI tooling aptitude.
Python, Java, JavaScript, TypeScript, APIs, Relational databases, Data modeling, Booth systems integrations, NetSuite, Salesforce, Stripe, Boomi
2mo
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Cleared Senior Software Engineer
Dahlgren, Virginia, United States
$130k-$175k/yr OnsiteFull Time
10+ YOESenior software engineer with 10+ years, BS in CS/CE, active Secret clearance preferred; lead and mentor teams; C++ (C11), OO, QA, multi-threading, Agile.
C++ (C11), Python, Git, Subversion, Mercurial, Visual Studio, NetBeans, Eclipse, Jira, Bugzilla, MPI, POSIX, OpenMP, SSE
2mo
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Software Engineer, Backend - AI Practice Team
Houston or Knoxville or Washington
$90k-$150k/yr OnsiteFull Time
8+ YOE8+ years backend development; Go and Python; cloud deployment; Kafka; distributed systems patterns; performance optimization; Docker/Kubernetes; Databricks.
Go, Python, Kafka, Docker, Kubernetes, Databricks
1mo
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Advisor Software Engineer (AWS)
Reston or Plano
$155k-$209k/yr HybridFull Time
6+ YOE6+ years Java development; AWS and AI/ML exposure; strong design/architecture; Angular; stakeholder collaboration; mentoring; observability and SDLC expertise.
Java, Angular, Python, AWS, TensorFlow, PyTorch
3w
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Security Software Engineer (MD, Hanover)
Hanover, Maryland, United States
HybridFull Time
3+ YOE3+ years of software engineering with a security focus; BS in CS/Engineering or equivalent; proficiency in JavaScript/TypeScript, Python, Go, or C#; knowledge of OWASP, NIST 800-171/CMMC/FedRAMP; experience with AWS and Azure.
AWS, Azure, SAST, DAST, CI/CD, WAF, Security Hub, Defender, Sentinel, IAM, OIDC, SAML, Cognito, GCC High, GovCloud, Checkov, Snyk, Prisma, Docker, ECS
2w
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Automated Testing Software Engineer (mid-level)
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
5+ YOE5-8 years of professional software development and automated testing experience; on-site at Dahlgren, VA; DoD/Secret clearance required.
Python, C++, Git, GitLab, Docker, Jenkins, RedHat Linux, Rust, Automated testing frameworks
1w
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Software Engineer - Federal Geospatial (Hub-Remote: DC or Philly Metro)
Alexandria or Philadelphia
$105k-$141k/yr RemoteFull Time
Element 84: Builds cloud-native geospatial software and data processing pipelines.
5+ YOE5+ years software engineering; full-stack Python/JavaScript; Clojure; React; AWS S3/IAM/Lambda; NOAA CAC badge; remote Scrum; BS in technical field.
Python, JavaScript, Clojure, React, AWS, S3, IAM, Lambda, Node.js, MacOS X
3w
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AI Software Engineer-Senior
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOETS/SCI with polygraph; BS in CS or related STEM with 8+ years; or PhD with 4 years, MS with 6 years, or AS with 10 years; strong Python; LLM integration; data engineering; Agile, Git, Jira, Confluence; secure enclave deployment; security assessments.
Python, LLM tooling, RAG framework, Git, Jira, Confluence, Static analyzers
2w
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Software Engineer II, AI
Washington, District of Columbia, United States
$144k-$160k/yr RemoteFull Time
Bachelor's degree in IT/CS/Engineering; 2+ yrs Generative AI; 3+ yrs cloud (AWS); 4+ yrs DevOps; 2+ yrs agentic systems; 3+ yrs distributed cloud-native; 4+ yrs programming (Python/Java/Rust/SQL/Node.js).
AWS, GitHub, Bitbucket, AWS CloudFormation, AWS Lambda, AWS EKS, S3, LangGraph, Python, Java, Rust, SQL, Node.js
2w
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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
2+ YOEBachelor's in CS/Engineering; 2+ yrs Python and React; experience with AI-assisted development; microservices; Agile/Jira; US citizen; located in DC metro area.
Python, React.js, GitHub Copilot, Microservices, JIRA, AWS, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB
1mo
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Senior Software Automation Testing Engineer
Ashburn, Virginia, United States
$85k-$100k/yr HybridFull Time
5+ YOE5+ years in software testing; strong Python 3.8+; web frameworks (FastAPI, Django, Flask); REST API testing; AWS; automation; SQL; Git/Jenkins/Harness; Locust.
Python, FastAPI, Django, Flask, pytest, unittest, Locust, Gitlab, Harness, Jenkins, Oracle, Postgres, SQL, AWS
3w
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Software Engineer III - Back End (Remote)
McLean, Virginia, United States
$120k-$132k/yr RemoteFull Time
5+ YOE5+ years engineering experience; backend web development; RESTful APIs; open source stack; Git; SQL/NoSQL databases; Agile; TDD.
Ruby, Python, Django, Rails, REST, Git, GitHub, Elasticsearch, Solr, SQL, NoSQL
4d
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Sr. Developer w/Analytics
Crystal City or United States
$100k-$150k/yr RemoteFull Time
5+ YOE5+ years software development experience with analytics; strong Python, SQL, data warehouses/lakes, Spark/Databricks, Elasticsearch; DHS Public Trust eligibility; US citizenship.
Python, SQL, PostgreSQL, Oracle, Data Warehouses, Data Lakes, Apache Spark, Databricks, Elasticsearch
3w
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Sr Software Engineer - Platform Data Query
San Diego or Santa Barbara or Dallas or Atlanta or Chicago or San Francisco or Washington DC or Denver
$138k-$173k/yr HybridFull Time
5+ YOEExperience operating, scaling, and enhancing data pipelines with Iceberg, Trino, Kafka, Flink; strong SQL and cloud data services (AWS). 5+ years in software engineering; multi-tenant SaaS background preferred.
Trino, Apache Flink, Kafka, Iceberg, AWS Athena, AWS S3, AWS Glue, Python, Ruby, Java, JavaScript, C#, SQL
1w
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Software Engineer/Data Manager
Alexandria or Quantico
OnsiteFull Time
8+ YOESenior Software Engineer with data management expertise; 8+ years experience; TS/SCI with poly is required.
Python, Java, C++, SharePoint, PowerPoint, Visual Studio
2w
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IT Spec (APPSW) "Principal Software Engineer", GS-2210-15, FPL GS-15 (DH), Full-time
San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle
$150k-$197k/yr RemoteFull Time
1+ YOESenior software engineer with cloud-native design, CI/CD, and cross-language development (Python, Java, JavaScript); leadership and architectural responsibilities.
Python, Java, JavaScript, CI/CD, Infrastructure as Code, Cloud platforms
2mo
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Senior Staff Software Engineer
Boston or Brooklyn or San Francisco or Washington
$225k-$265k/yr HybridFull Time
12+ YOE12+ years backend or data-driven software; cloud deployments; lead engineers; strong communication; ownership of architecture and delivery.
Python, TypeScript, SQL, Docker, Git, Kubernetes, FastAPI, AWS, Azure, MLFlow, Temporal, Postgres, Databricks, OpenSearch
2mo
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Forward Deployed Software Engineer - Tactical Edge
Washington, District of Columbia, United States
$135k-$200k/yr OnsiteFull Time
Active US security clearance (Top Secret) or willingness to upgrade; strong software engineering background; experience with containers and orchestration; proficient in Python/Java/JavaScript/Bash; comfortable collaborating with customers; willingness to travel ~25%.
Docker, Podman, OpenShift, Kubernetes, Python, Java, Bash, JavaScript, Go, Linux, Networking, On-premise infrastructure
1mo
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AI Software Engineer - Mid Level
Scottsdale or Pittsburgh or Bloomington or Chantilly or San Jose or United States
$124k-$138k/yr RemoteFull Time
5+ YOEBachelor's degree in software engineering or related field; 5+ years experience or Master's with 3+ years; Agile experience preferred; US citizenship required.
Python, REST APIs, LLM API, Azure, SharePoint, Microsoft Graph API, Git, Docker, Kubernetes, PostgreSQL, LangChain, LangGraph, CrewAI, AutoGen, Pinecone, Weaviate, Qdrant, pgvector
2w
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Consulting/Principal Software Engineer LNSSI
Washington or Virginia
$118k-$220k/yr OnsiteFull Time
2+ YOE2-3 years Linux systems administration; scripting in SQL/BASH/PYTHON/PHP/PERL; TS/SCI clearance with polygraph; B.S. in Computer Science or MIS; experience with big data systems.
SQL, BASH, PYTHON, PHP, PERL, ECL, HPCC
1mo
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Software Engineer Junior Level
Linthicum, Maryland, United States
$100k-$200k/yr OnsiteFull Time
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor’s in CS or related field with 4 years’ experience substitution; strong analytics; Pig; PySpark.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
1mo
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Mid Level Developer
Rosslyn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree in Computer Science or Information Technology; 3–7 years software development experience; proficient in Python, Java, or C#; familiarity with Agile/Scrum/SAFe; API and database experience; strong problem-solving and communication skills.
Python, Java, C#, REST, SQL, NoSQL
HiringCafe market data
Python Software Developer Jobs market signals in Chantilly, VA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
2,200+
Hiring companies
490+
Fresh sample
54% new in 30d
Salary visibility
61% show pay
Companies appearing in this market
Absolute Business Solutions CorpBoeingFannie MaeActioNetAmerican Bureau of ShippingApplied Information SciencesAstrionLegato
Work location mix in visible results
Onsite: 40Hybrid: 23Remote: 11