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Python Software Developer Jobs in Arlington, VA, US
2,300+ python software developer jobs from 510+ companies hiring in Arlington, VA, US.
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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
3d
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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
1mo
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SuccessFactors Recruiting: Research Software Engineer (Data Science and AI Institute) (120761)
Baltimore, Maryland, United States
HybridFull Time
3+ YOEMaster’s in CS/Engineering or quantitative field; 3+ years software development; Python expert; experience with AI/ML, data science, and scientific computing; Git, CI/CD; Docker/Singularity; SQL; cloud; mentoring.
Python, R, C/C++, JavaScript/TypeScript, Julia, Git, Docker, Singularity, Linux, CI/CD, SQL
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
2w
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Software Engineer (Journeymen - SME Level)
Bethesda, Maryland, United States
OnsiteFull Time
6+ YOEAgile DevOps focus; Java, Python, cloud (AWS/GCP/Azure); JUnit/Katalon; TS/SCI with Full Scope Poly; 6+ years experience (high school) or advanced degrees; strong testing and automation.
Java, Spring, Hibernate, JUnit, Katalon, AWS, Google Cloud, Azure, GitHub, Jenkins, Bash, Jira, Confluence
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
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
2w
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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
6d
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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
1w
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Senior Software Engineer III (Government)
Columbia, Maryland, United States
$89k-$208k/yr OnsiteFull Time
8+ YOEBachelor's degree; 8 years experience; .NET, Java, Python, C# skills; TS/SCI clearance.
.NET, ASP.NET, C#, Java, Python, Oracle
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
1mo
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Senior Software Engineer (TS/SCI w/poly)
Fort Meade, Maryland, United States
$250k-$295k/yr OnsiteFull Time
14+ YOESenior Software Engineer with TS/SCI w/poly clearance; 14+ years software engineering or 18+ years without degree; BS in CS preferred.
Java, JavaScript, Git, SQL, Python, SDLC, UI/UX, Angular, React, Vue.js, AWS, C#, API Development
4d
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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
3d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; strong software development fundamentals; experience with Java, Scala, Python, or Golang; Kubernetes, Docker, AWS; CI/CD tooling; willingness to work extended hours.
Java, Scala, Python, Golang, Kubernetes, Docker, AWS, CI/CD, Kafka, NiFi, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins
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
3d
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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#
2w
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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
10h
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LightGrid, LLC - Data Integration Software Developer
Odenton or Fort Meade
OnsiteFull Time
4+ YOEBachelor's in CS/Math/Physics/EE/Computer Eng or related; 4+ yrs Kafka/Java/REST/AWS/full stack; Python/Java/SQL; DoD Secret/Interim Secret clearance; DoD 8570 IAT II within 30 days.
Kafka, Elastic, Databricks, Confluent, Elasticsearch, Logstash, ksqlDB, Kafka Streams, Kubernetes, Docker, Python, Java, SQL, HTML, JavaScript, Git, Bitbucket, NiFi, UNIX, Kibana
2mo
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2908 Software Integration Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
8+ YOEActive Secret clearance; 8-10 years systems engineering; Agile; DevSecOps tools; scripting; Java stack; strong communication.
JIRA, Confluence, Bamboo, Jenkins, Python, Bash, Java, Spring MVC, jQuery, Thymeleaf, AJAX, Bootstrap, CSS
1w
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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
4d
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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
3w
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Sr. Software Engineer - TS/SCI CI Poly Required
Washington, District of Columbia, United States
OnsiteFull Time
Tesla Laboratories: Provides engineering, cybersecurity, and environmental services to federal agencies.
Active TS/SCI clearance with CI Polygraph required; experience with Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML; Oracle DB; Tomcat; GIS tools.
Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML, Oracle, Tomcat, GeoServer, OpenLayers, XML, JSON, IBM Watson Explorer, Elasticsearch
3w
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Ground Station Software Engineer (Staff to Senior Staff)
Chantilly or United States
$148k-$215k/yr RemoteFull Time
10+ YOEBachelor's in CS/Software Eng; 10–15 yrs software engineering; leadership; avionics/GCS experience; aerospace domain; proficiency in modern UI and web/real-time systems.
TypeScript, C++, Python, C#, React, Node.js, Electron, Docker, Kubernetes, MAVLink, STANAG 4586, WebSocket, REST, Mapbox, MapLibre GL, Qt, WPF
HiringCafe market data
Python Software Developer Jobs market signals in Arlington, 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
2,300+
Hiring companies
510+
Fresh sample
45% new in 30d
Salary visibility
68% show pay
Companies appearing in this market
Applied Information SciencesAirbus U.S. Space & DefenseCipher Tech SolutionsMetroStarActioNetBlue OriginAd HocAT&T
Work location mix in visible results
Onsite: 39Hybrid: 18Remote: 12
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