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Python Software Developer Jobs in Belmont, VA, US
2,200+ python software developer jobs from 480+ companies hiring in Belmont, VA, US.
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Full Stack Developer
Arlington, Virginia, United States
OnsiteFull Time
6+ YOEActive Secret clearance; 6–8 years full-stack experience; Bachelor's degree preferred; strong QA and RMF/DoD experience preferred.
Microsoft Power Platform, Power BI, Power Apps, Dataverse, AWS, SQL Server, MySQL, MongoDB, Redis, SharePoint, React, Angular, Python, Node.js, Git, Docker, REST APIs
1mo
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Analytic Application Developer
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOE5+ years of experience; DoD secret clearance required; strong skills in multiple programming languages and data/analytic tools; on-site at Washington Navy Yard.
Python, R, ColdFusion, C#, Java, .NET, CSS, HTML, Angular, React, Power Platform, Azure, Synapse Analytics, Azure Data Bricks, AI Foundry, Data Factory, SQL, PL/SQL, T-SQL, REST, Graph, SPARQL, SOAP, GitLab, GitHub, Atlassian, Azure DevOps, DevSecOps, SQL
1mo
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Agentic Engineer
Tysons Corner, Virginia, United States
OnsiteFull Time
0+ YOEExperience with LLMs, agentic loops, MCP, and multi-cloud deployments; strong problem-solving and curiosity.
OpenAI API, Anthropic API, Gemini API, Model Context Protocol (MCP), AWS, Google Cloud (GCP), Microsoft Azure, Python, Git
4d
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Product Engineer
McLean, Virginia, United States
$115k-$135k/yr HybridFull Time
5+ YOEBachelor’s degree or equivalent practical experience; 5+ years in internal applications, automation, or analytics product delivery; ability to obtain Public Trust clearance; strong HTML/CSS/JS, Databricks, SQL, and data engineering skills.
HTML, CSS, JavaScript, Databricks, SQL, pgAdmin, Python, Git, GitHub, VS Code, CLASP
1mo
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Full-Stack Developer - Mid-Senior, TS/SCI with CI Poly - $150K-$200K + 15% 401k
Fairfax, Virginia, United States
$150k-$200k/yr OnsiteFull Time
5+ YOEMid-Senior full-stack developer with TS/SCI clearance and CI poly, 5+ years in full-stack dev, containerization ( Docker/Kubernetes ), Rust/JS/Python/Java, Linux, CI/CD, strong communication.
Docker, Kubernetes, Helm, Rust, Relational databases, Git, GitLab, CI/CD
1mo
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Sr. Software DB Development Engineer
Reston or Virginia or Washington or Utah or Texas or Pennsylvania or Ohio or Kansas or North Carolina or New York or Illinois or New Jersey or Georgia or Florida or Connecticut or Missouri or California or Arizona or Michigan or Massachusetts or Maryland
$165k-$203k/yr HybridFull Time
12+ YOE3+ MgmtExtensive Oracle and AWS data services expertise; 12-15 years DB development/leadership; strong SQL/PLSQL, data migration, architecture, governance; leadership experience.
Oracle, AWS (RDS, Aurora, DynamoDB, Redshift, Glue, S3), RMAN, Data Guard, Terraform, CloudFormation, Unix/Linux, Python, SQL/PLSQL
3w
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Sr. Power Platform Developer
Arlington, Virginia, United States
$86k-$170k/yr RemoteFull Time
5+ YOE5+ years in Power Platform/SharePoint; US citizenship; BA/BS; federal contracting experience; strong documentation and communication.
Power Platform, SharePoint Online, Copilot, SPFx, Azure, Power Apps, Power Automate, Dataverse, Power BI, JSON, .NET, JavaScript, Python
2w
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Engineer III - Flight Dynamics Systems Development
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in Aerospace Engineering, Computer Science, or related field; 5+ years in aerospace or satellite ground systems; active Secret security clearance or ability to obtain; strong communication and analytical skills.
Java, JavaScript, Python, Shell scripting
1w
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(USA) Principal, Software Engineer, Information Security
Bentonville or Sunnyvale or Bellevue or Herndon
$110k-$264k/yr HybridFull Time
10+ YOE10+ years of enterprise Active Directory engineering and infrastructure architecture; expertise in virtualization, automation, and security; strong leadership and communication skills.
PowerShell, Python, Go, VMware, Hyper-V, Active Directory, LDAP, Kerberos, OAuth, IaC tooling, Automated monitoring, Zero Trust
2mo
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Staff Engineer, AI Core
Palo Alto or Miami or Washington or Durham or Toronto
HybridFull Time
Experience as a Staff Engineer or Senior Engineer shipping complex, large-scale consumer-facing mobile apps; strong backend and AI/ML data-pipeline experience; leadership and mentorship.
Flutter, AWS, Go, Java, Python, Clojure, Microservices, Event-driven
1mo
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Senior Consultant, Full Stack Engineer - Digital & Insights in United States, District of Columbia, Washington
Washington, District of Columbia, United States
$77k-$118k/yr HybridFull Time
3+ YOE3+ years in distributed systems, full stack web development, and client-facing technical work.
Terraform, Docker, Kubernetes, AWS, Python, Spark, React, AI/ML platforms
3mo
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Principal Software Engineering Architect, Information Security
Reston or Chicago or Greenwood Village or Boca Raton or New York or White Plains
$169k-$281k/yr HybridFull Time
10+ YOE10+ years in software development, architecture, and DevOps; cloud-native and hybrid security solutions; IaC tools; strong Python/Go/Java/C#/C++; security SDLC; analytics and telemetry.
AWS, Azure, GCP, Terraform, CloudFormation, Harness, Python, Go, Java, C++, C#, Power BI, ElasticSearch, Snowflake, Kafka, AirFlow
1mo
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Senior Firmware Engineer
Herndon, Virginia, United States
OnsiteFull Time
7+ YOE7+ years experience; BS/MS in EE; FPGA/VHDL/SystemVerilog; DSP, LIDAR; FPGA tooling; GitHub/CI/CD; hardware integration.
VHDL, SystemVerilog, Xilinx, Microchip, Lattice, FPGA tools, GitHub, CI/CD, SPI, I2C, UART, LVDS, GTY/GTM, JESD204B/C, Ethernet, SpaceWire, DDR3/4, QDR, FRAM, Python
3mo
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Frontend Lead Engineer
Richmond or Arlington
OnsiteFull Time
6+ YOE6+ years of front-end experience with modern web technologies (React, Vue, Angular); four-year CS/engineering degree; experience with REST APIs, AWS, and testing; in-person location requirement to Richmond, VA or Arlington, VA.
React, Vue, Angular, Golang, Java, Node, Python, Cypress, Playwright, AWS, Kubernetes, Postgres
2mo
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Senior Platform Engineer
Arvada or Los Angeles or San Francisco or Seattle or Washington
$145k-$186k/yr HybridFull Time
3+ YOE3+ years in reliability, systems, DevOps, infrastructure, or platform engineering; Bachelor's degree; ability to obtain security clearance; ITAR eligibility.
Kubernetes, Terraform, Python, New Relic, DataDog, Splunk, AWS CloudWatch, GitHub Actions, Auth0, Okta, Git, VPN, NLB/ALB, TLS, CDN
2w
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JOIN OUR TEAM - Web Scraping Engineer - On-Site (U.S. Citizen - Active Secret Clearance)
Arlington, Virginia, United States
$95k-$105k/yr OnsiteFull Time
3+ YOEU.S. citizen with active secret clearance; local to Arlington, 3+ years web scraping; proficient in Python and Java; knowledge of HTML/CSS/JS, APIs, databases; BS/BA in CS or related IT (experience can substitute).
Python, Java, BeautifulSoup, Scrapy, Selenium, HTML, CSS, JavaScript, APIs, JSON, XML, SQL, Cloud
6d
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GXM Technologies LLC - Senior Full Stack Application Developer (.NET MAUI)
Arlington, Virginia, United States
OnsiteFull Time
6+ YOE6+ years in .NET/C#, cross‑platform mobile development; US citizen; ability to obtain government clearance; BS/MS in CS/Engineering; 3+ years with SQL databases; Agile experience.
C#, .NET MAUI, Xamarin Forms, SQL Server, SQL, PowerShell, Python
3w
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Full Stack Engineer (Cleared)
Huntsville or McLean
HybridFull Time
Exiger: AI-powered supply chain risk and compliance management software.
4+ YOEFull stack engineer with security clearance, strong frontend and backend skills, API and data pipeline experience, and ability to deliver in fast-paced environments.
React, Angular, Vue, Python, Java, Go, REST APIs, AWS, Azure, GCP, Terraform, CI/CD, DevOps
5d
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DevOps Engineer
White Plains or Conyers or Roanoke or Independence or Hartford or Savannah or Alexandria or Greensboro or Charleston or Missoula or Charlotte or Huntsville or Hartford or Miami or Tallahassee or Albany or Gainesville or Columbus or Boston or San Antonio or Dallas or Denver or Phoenix or San Francisco or Chicago or Nashville or Portland or Charlotte or Houston or Wilmington or Lexington or Tampa or Baltimore or Raleigh or Las Vegas or Cary or Irvine or Brookfield or Shreveport or Greenville or Van Nuys or Minneapolis or Red Bank or Jacksonville or Seattle or Sarasota or Kennesaw or Palm Beach or Towson or Sacramento or Dayton or Broomfield or Golden or Princeton or Omaha or Oklahoma City or Chesterfield or Schaumburg or Suffolk or Jupiter or Carmel or Canonsburg or Buffalo or Schaumburg or Philadelphia or Schaumburg or Sunrise or St. Louis or Los Angeles or Atlanta or Gulfport or Norwalk or South Portland or Metairie or Virginia Beach or Edina or Richmond or Southfield or Cleveland or Milwaukee or Chattanooga or Fort Worth or Rochester or Grand Forks or Detroit or Jersey City or Boise or Portland or San Ramon or Easley or Duluth or Glenville or Syracuse or West Palm Beach or Cary or Irvine or Brookfield or Shreveport or Greenville or Los Angeles or Atlanta or Orland Park or Columbia or Elmhurst or Portland or San Diego or San Ramon or Myrtle Beach or Gainesville or Hartford or Allentown or Macon or Tampa or Saint Petersburg or Irvine or Raleigh or San Ramon or Lewisville
$77k-$134k/yr RemoteFull Time
5+ YOE5+ years software development; cloud (Azure/AWS); CI/CD (Azure DevOps, GitHub Actions); scripting (Python, Bash, PowerShell); Git; strong communication; delivery track record.
Azure, AWS, Terraform, Azure Bicep, Docker, Kubernetes, Git, Azure DevOps, GitHub Actions, Python, Bash, PowerShell
1mo
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Azure DevOps Engineer III (Principle) (75661)
Sterling, Virginia, United States
OnsiteFull Time
6+ YOESenior DevOps engineer with deep CI/CD, IaC, and cloud expertise; leadership in pipeline design, governance, and secure delivery.
GitHub Enterprise Actions, Terraform, Ansible, Azure, Kubernetes, AKS, PowerShell, Bash, Python, Git
1mo
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Senior Research Engineer, Applied AI
Washington, District of Columbia, United States
$100k-$190k/yr OnsiteFull Time
5+ YOE5+ years building software, tools, or data systems; expertise in LLM-enabled systems; Python; experience in or with research, policy, government, or academic environments; familiarity with ChatGPT, Claude, Gemini, Grok.
Python, LLMs, Claude Code, Codex, ChatGPT, Claude, Gemini, Grok, SQL, R, Stata
2mo
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Director, Software Implementation Teams Lead – Corporate Platform Application
Centreville or London or Columbia
HybridFull Time
7+ YOE2+ MgmtLead platform modernization, migration, and consolidation; manage engineering teams; ensure reliability and security of enterprise platforms.
Java, C#, Python, Go, TypeScript
1w
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Full Stack Platform Engineer - Angular / Spring / Kubernetes (Top Secret Clearance Required)
Herndon, Virginia, United States
HybridFull Time
Front-end with Angular/TypeScript; back-end with Java Spring and Python; Kubernetes, Docker; Linux/RHEL; CI/CD; Git; JIRA/Confluence; active Top Secret clearance.
Angular, Spring, Kubernetes, Docker, Linux, RHEL, Git, JIRA, Confluence
3mo
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Elastic Engineer
Dulles, Virginia, United States
$120k-$135k/yr HybridFull Time
8+ YOE8+ years software development; 2+ years Elastic Cloud on Kubernetes (ECK) admin; 2+ years Elasticsearch DSL; 5+ years Kubernetes; strong ELK stack knowledge; scripting in Python, Bash, JavaScript; U.S. citizenship; active clearance (TS/SCI eligible); DHS suitability; Bachelor's in Software Engineering or Computer Science.
ELK Stack, Elasticsearch, Kibana, Logstash, Beats, Elastic Cloud on Kubernetes, Kubernetes, Python, Groovy, Bash, JavaScript
2mo
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Applications Programmer
College Park, Maryland, United States
OnsiteFull Time
1+ YOEThree years of software development experience with Python, REST APIs, SQL databases, and Agile practices.
Python, REST, PostgreSQL, MySQL, Git, JIRA, FastAPI, Flask, Django, Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch, OpenAI API, AWS, Azure, Google Cloud, Docker, GitHub Actions, GitLab CI, Jenkins, OAuth2, JWT, JavaScript, React, Angular
2w
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Solution Engineer
New York or Washington
$150k-$220k/yr OnsiteFull Time
5+ YOE5+ years in technical pre-sales or solutions engineering for enterprise software; defense/federal experience; strong collaboration; fluency in software and hardware domains; SQL/Python; travel up to 25%; TS/SCI advantage.
AWS, Azure, Databricks, Snowflake, Influx, Grafana, SQL, Python, Pandas, Kafka, Spark, Flink, Arrow, MATLAB/Simulink, LabVIEW, WinPlot
4w
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SIMULATION & DIAGNOSTICS DEVELOPER
Greenbelt, Maryland, United States
$170k-$190k/yr HybridFull Time
12+ YOEUS citizenship; extensive software development lifecycle experience; embedded software; TCP/UDP networking; DTN protocols; Linux/VxWorks RTOS; C/C++/Java; testing and documentation; familiarity with Git/JIRA/GitHub.
C, C++, Java, XML, JSON, Linux, RTOS (VxWorks), Git, JIRA, GitHub, Python, TCP, UDP, DTN, NASA standards
1mo
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Data Engineer III
Columbia, Maryland, United States
$113k-$128k/yr RemoteFull Time
8+ YOEPublic trust clearance required; 8+ years data engineering/software development; 4+ years in Python/Java/cloud data pipelines; BS in CS/IS/Engineering or 10 years IT alternative; strong data architecture and governance skills; English proficiency.
Spark, Hadoop, MySQL, PostgreSQL, Apache Airflow, AWS Redshift, RDS, EMR, EC2, Spark-Streaming, Storm, Scala, Java, Python, GitHub, Jira, Confluence
3mo
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DevOps Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
Delivers automation, integration, and software engineering support for enterprise IT monitoring, logging, and security platforms; bridges development and operations to improve reliability, scalability, and compliance.
Linux, Python, Bash, Splunk, Nagios, NetFlow, CI/CD, Docker, Kubernetes, Cribl, Syslog, HP NNMi, HPNA
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
3mo
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Product Security Engineer
New York City or Washington, D.C. or Boston
$175k-$210k/yr OnsiteFull Time
6+ YOE6+ years in application security or related, strong cloud and software security skills, proficient with security tools, coding in Java/Python/C++, and cloud architectures.
Burp Suite, OWASP ZAP, Python, TypeScript, Java, C++, CloudFormation, Terraform, AWS, GCP, Azure
1w
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Senior Associate, Enterprise Application Developer
Washington or Baltimore
$62k-$99k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science or Information Systems; 3+ years in software development and automation; experience with Microsoft 365, SharePoint Online, CI/CD; scripting/programming in PowerShell, JavaScript/TypeScript, Python; Azure AD and APIs; strong problem-solving and communication.
Power Apps, Power Automate, Office Scripts, SharePoint Online, GitHub Actions, Azure, Azure AD, Graph API, Salesforce, SQL, JavaScript, TypeScript, Python, PowerShell
22h
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Mid Cloud Engineer
Washington, District of Columbia, United States
$115k/yr OnsiteFull Time
5+ YOECloud engineer with DevSecOps focus, multi-cloud architecture, IaC, automation; 5+ years software/cloud development; 3+ years in senior/lead cloud role.
Terraform, Ansible, Jenkins, GitLab, CloudFormation, Docker, Kubernetes, Python, Java, CI/CD, IaC
4w
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Technical Architect Manager
Arlington, Virginia, United States
OnsiteFull Time
8+ YOE2+ MgmtEight years of software development experience; strong team leadership; cloud technologies; experience with Agile/DevSecOps; proficient in JavaScript/Node.js/Java/Python and modern frameworks.
AWS, Serverless, Event-Driven Architecture, Microservices, JavaScript, Node.js, Java, Python, React, Vue.js, CI/CD, Infrastructure as Code
2w
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOE10+ years software development; AI/ML exposure; Bachelor's in CS/IT/Engineering; strong troubleshooting, architecture, DevOps, security, and communication skills.
Java, Python, JSP, Node.js, jQuery, Tomcat, SQL, ETL, AI/ML, Git, CI/CD, DevOps, Cloud
1mo
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Robotics Design Engineer
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years robotics systems experience; strong C++ and Python; ROS 2; robotics software architecture; simulation/digital twins; field integration; knowledge of ROS hardware integration.
ROS 2, C++, Python, DDS, QoS, Robot hardware integration, Sensor fusion, Real-time systems, Simulation
1mo
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Data Engineer, Global Credit Technology
Washington, District of Columbia, United States
$160k-$170k/yr OnsiteFull Time
6+ YOE6+ years in data engineering or backend/software roles; strong Snowflake/Databricks, dbt, Airflow; Azure/AWS; SQL; API integration; Python; Power BI experience.
Snowflake, Databricks, dbt, Airflow, Azure, AWS, SQL, Python, Power BI
1mo
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Vulnerability Research Engineer
Washington, D.C., District of Columbia, United States
$115k-$181k/yr OnsiteFull Time
5+ YOEBachelor’s in STEM; 5+ years reverse engineering, malware analysis, or low-level software/firmware analysis; strong C/C++, Python; experience with disassemblers and debuggers; embedded systems knowledge.
IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, lldb, Python, C/C++
2mo
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AI/ML Engineer
Reston or Remote
$124k-$167k/yr HybridFull Time
9+ YOE9+ years software/ML experience; 2+ years in production AI; Python and Typescript; REST APIs; LangChain, LlamaIndex, HuggingFace; OpenAI API; ML model deployment and RAG architectures.
Python, Typescript, REST APIs, Flask, FastAPI, LangChain, LlamaIndex, HuggingFace Transformers, SGLang, OpenAI API, RAG, vector databases, Pinecone, Weaviate, GraphRAG, Knowledge Graphs, AWS, Azure, GCP, HIPAA compliance, LoRA, prompt tuning, RLHF, CrewAI, Stands SDK
3w
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CWMD Computer Programming SME
Arlington, Virginia, United States
$91k-$165k/yr OnsiteFull Time
5+ YOEBachelor's degree with 5+ years or Associate's with 8+ years or High School with 11+ years of experience; strong Python, C++, Visual Basic; knowledge of CWMD, nuclear effects modeling, and software development.
Python, C++, Visual Basic
HiringCafe market data
Python Software Developer Jobs market signals in Belmont, 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
480+
Fresh sample
39% new in 30d
Salary visibility
57% show pay
Companies appearing in this market
FTI ConsultingIntegration InnovationIridiumKarsun SolutionsMillennial SoftwareSellers & AssociatesAESAlpha Omega
Work location mix in visible results
Onsite: 26Hybrid: 17Remote: 3