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Python Software Developer Jobs in Warrenton, VA, US
1,600+ python software developer jobs from 420+ companies hiring in Warrenton, VA, US.
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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
1mo
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Signals Software Engineer 2
Annapolis Junction, Maryland, United States
HybridFull Time
7+ YOEBachelor's in CS or related; 7+ years SSWE RF focus; experience with Fourier transforms, DSP, digital modulation; software defined radio, Linux, and related tools; active clearance with polygraph.
C++, Java, Python, Linux, Git, ClearQuest, Trac, Subversion, Eclipse, Google Protocol Buffers, Matlab, Simulink
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
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
2w
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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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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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Cloud Software Engineer Sr
Fort Meade or Columbia
$165k-$190k/yr OnsiteFull Time
12+ YOETwelve years of software engineering experience; current Poly clearance; four years in Big-Data Cloud technologies; BS in Computer Science or related field; cloud experience with Big Data systems; proficiency in DevOps and related tools.
Hadoop, Java/Spring Boot, Python, ElasticSearch, NiFi, Angular, MapReduce, Cloud Big Table, Cloud Distributed File System, CFEngine, Bash, Ruby, VMware, VirtualBox
1d
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Software Developer in Test (SDET)
Ashburn, Virginia, United States
RemoteFull Time
10+ YOEStrong programming in C#, Java, or Python; experience in software testing; familiar with SDLC/Agile; US citizenship and Public Trust clearance; remote work.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, JIRA, SQL, JMeter, Gatling
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
5d
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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
4w
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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
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
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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
1mo
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Staff Software Engineer, Public Sector
San Francisco or St. Louis or New York or Washington
$189k-$362k/yr HybridFull Time
Experience in full stack development, cloud platforms, data engineering, AI integration, strong problem solving, collaboration, and learning agility; mentoring.
Docker, Kubernetes, AWS, Azure, GCP, ETL, Data Warehousing, Data Governance, LLMs, RAG, Agent Orchestration, Python, JavaScript
2w
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Consulting/Principal Software Engineer LNSSI
Washington or Virginia
$118k-$220k/yr OnsiteFull Time
2+ YOESecurity clearance TS/SCI with full-scope poly; BS in CS/MIS or related; 2-3 years Linux admin; scripting (SQL, Bash, Python, PHP, Perl); data analysis and scripting for big data systems
SQL, Bash, Python, PHP, Perl, ECL, HPCC, Kubernetes, AWS
1mo
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Forward Deployment Software Engineer
Reston, Virginia, United States
$200k-$288k/yr HybridFull Time
7+ YOE7+ years in distributed systems; container orchestration; IaC (Terraform/Pulumi); CS fundamentals; Java/C++/Golang/Python; public cloud experience; TS/SCI with Polygraph clearance; US citizenship; advanced degree in CS.
Terraform, Pulumi, Kubernetes, Cloud Platforms (AWS, Azure, GCP), Java, C++, Go, Python
1mo
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Principal Software I&T Engineer (Contract)
Arlington or Denver or Houston or Merritt Island
RemoteContract
15+ YOEEmbedded software, testing, and flight software development; 15+ years experience with B.S. or 12+ with M.S.; US citizenship; ability to obtain clearance; periodic travel.
C/C++, TCL, Python, Embedded software development and testing, RTOS, Device driver development, GNC algorithms, Software safety assurance, Test scripting, Simulators, HIL
3w
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Sr. Software Engineer II (6520)
Tysons Corner, Virginia, United States
$142k-$195k/yr OnsiteFull Time
7+ YOEBachelor's degree in CS/IT/Engineering or equivalent; Secret clearance; 7+ years IT; 6+ years full stack with AWS; 3+ years Go/Python/Java/JavaScript/React/Angular/TypeScript/NextJS; IL6+ AWS; strong data, security, and deployment experience.
AWS, Python, Go, Java, JavaScript, React, AngularJS, TypeScript, NextJS, DevSecOps
1w
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Principal Software Engineer
Herndon, Virginia, United States
$139k-$185k/yr RemoteFull Time
5+ YOELead design and build of a high-performance pricing engine; expert in distributed systems and modern languages.
C/C++, Rust, Go, Python, Linux, Distributed systems, APIs, Zero-copy, Lock-free data structures
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
1mo
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Senior Software Engineer
Gaithersburg, Maryland, United States
OnsiteFull Time
8+ YOEBachelor’s or Master’s degree in CS/Engineering with 6+ years (Master’s) or 8+ years (Bachelor’s); TS/SCI clearance; strong OO programming, REST, SQL, Linux; AWS, Agile.
Java, Python, REST, SQL, Linux, Docker, OpenShift, Spring Boot, PostgreSQL, Tomcat, Maven, AWS, GitLab CI/CD, JavaScript, Front-end frameworks
2w
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Software Engineer - AI (Legal) – CoCounsel Forward Deployed Engineering
Frisco or New York City or Washington or Ann Arbor or Eagan
$95k-$203k/yr HybridFull Time
2+ YOE2–4 years software engineering experience; Python; AI/ML tooling; API integrations; legal domain interest; strong communication; hybrid work.
Python, OpenAI, Anthropic, AWS, Azure, GCP, Containers, LLM APIs, Vector databases
6d
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Mission Systems Software Test Engineer II
Reston, Virginia, United States
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
BS in engineering or physics; software testing experience; space systems knowledge; programming in Python/Golang/Rust/C++ ; cloud experience; strong communication.
AWS, Azure, Confluence, JIRA, Git, Python, Golang, Rust, C++
1mo
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SME Full Stack Developer - Java/Python , Clearance Required
Ashburn, Virginia, United States
HybridFull Time
5+ YOE5+ years’ full-stack development with Java/Python; security clearance (Secret); government/military domain experience.
Java, Python, Spring Boot, Docker, Kubernetes, REST, React, Angular, Vue.js, Jenkins, Gitlab CI, Harness, gRPC, RabbitMQ, Kafka, AWS, PostgreSQL, Oracle, Elasticsearch, Solr, Hadoop, Spark
2mo
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Evergreen: Staff Software Engineer - (Lead Developer)
Washington, District of Columbia, United States
$140k-$157k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years of engineering experience; expert-level in at least one stack; remote position; full stack development.
Full Stack, Java, JavaScript, React, Node.js, Python
5d
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Sr. Developer w/Analytics
Crystal City or United States
$100k-$150k/yr HybridFull Time
5+ YOE5+ years software development; analytics experience; U.S. citizenship with DHS 6C Public Trust suitability; Bachelor’s in CS or related field; strong Python/SQL and data tech; ability to work onsite in Crystal City, VA 1–2 days/week.
Python, SQL, PostgreSQL, Oracle, Data Warehouses, Data Lakes, Apache Spark, Databricks, Elasticsearch
1w
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Hybrid Software Reverse Engineer - FUTURE NEED
Vienna, Virginia, United States
$43-$96/hr OnsiteFull Time
US citizen; ability to obtain government security clearance; Bachelor's in CS/CE/EE/Math/Physics; read assembly; proficient in C/C++/Java/Python; knowledge of Java and low-level languages; strong communication and teamwork.
IDA Pro, Python, MongoDB, Neo4j, C, C++, Java, C#
3w
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AI/ML Software Developer - Top Secret
Tysons, Virginia, United States
$90k-$135k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance; Bachelor’s in computer science or related field; minimum 2 years of relevant experience; JavaScript/Java/Python and OO programming; strong data structures and algorithms; experience with LLM tools.
JavaScript, Java, Python, Object-Oriented Programming, LLM tools
2w
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Commence - Full Stack Software Engineer
Washington, District of Columbia, United States
$105k-$135k/yr RemoteFull Time
Commence: Delivers AI-powered data solutions for healthcare quality and integrity.
5+ YOE5+ years in full-stack development; strong React/Node.js; AWS serverless; REST APIs; CI/CD; relational/noSQL DB; HIPAA/security practices; excellent communication.
React, Node.js, .NET, Bootstrap, Python, PHP (Laravel), C#, AWS, Amplify, EC2, S3, Lambda, RDS, REST, Git
6d
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Staff SW Engineer, Ground & Control Services
Seattle or Herndon or United States
$155k-$180k/yr HybridFull Time
10+ YOE10+ years software development; proficient in Go/Python/C++; cloud and on-prem microservices; satellite ops experience; US citizenship.
Go, Python, C++, AWS, Azure, GCS, Kubernetes, Git, CI/CD, On-Prem, Terraform, Nomad
3w
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Software Developer (50767)
Bethesda, Maryland, United States
$120k-$160k/yr OnsiteFull Time
3+ YOEBachelors in CS/engineering; strong Python (NumPy, PyTorch, SciPy) and C++17; GPU programming (CUDA); Linux (Ubuntu); Docker; Git; CI/CD; software engineering best practices.
Python, C++, CUDA, PyTorch, NumPy, SciPy, Linux (Ubuntu), Docker, Git, GitHub Actions, Azure, Gadgetron, MRD, Azure Container Registry
HiringCafe market data
Python Software Developer Jobs market signals in Warrenton, 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
1,600+
Hiring companies
420+
Fresh sample
48% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
Applied Information SciencesAirbus U.S. Space & DefenseBoeingCipher Tech SolutionsFannie MaeMetroStarSyms Strategic GroupActioNet
Work location mix in visible results
Onsite: 38Hybrid: 22Remote: 17