📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Python Developer Jobs in Montclair, VA, US
4,000+ python developer jobs from 820+ companies hiring in Montclair, VA, US.
1d
Save
Mark Applied
Hide
Data Engineer
McLean, Virginia, United States
OnsiteFull Time
2+ YOE0–2+ years of experience in data engineering; strong Python; SQL skills; cloud basics; data pipelines; ETL/ELT experience.
Python, SQL, PostgreSQL, MySQL, Airflow, dbt, Spark, Cloud (AWS/Azure/GCP)
2mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
Senior Cloud Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOEEight years software engineering experience; two years in Big-Data cloud; BS in CS; Cloudera Hadoop Dev cert; IR and cloud experience; Java, MapReduce; TS/SCI with Full Scope Poly.
Java, Eclipse, Maven, RESTful services, Hadoop, HDFS, HBase, Zookeeper, MapReduce, Apache Lucene, Apache Solr, MongoDB, Python, Bash, Ruby, XML, JSON, CSV, Avro
2mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Cloud Engineer
Reston, Virginia, United States
$93k-$124k/yr RemoteFull Time
3+ YOE3+ years AWS experience; AWS Practitioner; CloudFormation; Git; PowerShell; Python; AWS CLI/SDKs; Windows/Linux/AD; security and cost management.
AWS, CloudFormation, Git, PowerShell, Python, AWS CLI, SDKs
2mo
Save
Mark Applied
Hide
Lead AI Full Stack Software Engineer – Investments Technology
Baltimore or Washington DC
$145k-$309k/yr HybridFull Time
8+ YOELead design, development, and deployment of production-grade AI systems; 8+ years in OO languages; cloud-native with AWS/Azure; leadership of engineering teams.
AWS, Azure, Containerization, Microservices, Agent frameworks, Python, Java, JavaScript, LLM, Bedrock, Kiro, Codex, Vector databases, RAG
1w
Save
Mark Applied
Hide
Firmware Engineer
Falls Church, Virginia, United States
OnsiteFull Time
3+ YOE3+ years C/C++, Linux/embedded OS, cross-compilation, Python or shell scripting, production experience, and version control knowledge (Git, SVN, Perforce).
C/C++, Linux, Embedded systems, Python, Shell, Cross-compilation, Git, SVN, Perforce, Video compression, Computer vision
2w
Save
Mark Applied
Hide
Data Engineer
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOE5+ years data engineering, ETL/ELT, or DBA experience; strong SQL, Python, PySpark; Azure analytics; DB administration; able to obtain public trust.
SQL, Python, PySpark, Databricks, Azure Data Factory, Azure Synapse, Azure SQL, PostgreSQL, GitHub, GitHub Actions
3w
Save
Mark Applied
Hide
Sr. Data Engineer
Vienna, Virginia, United States
$170k-$185k/yr RemoteFull Time
Strong Python, PySpark, SQL; API integration; Databricks/Lakehouse; production data pipelines; security and data governance.
Python, PySpark, SQL, REST API, Databricks, Delta Lake, APIs
1mo
Save
Mark Applied
Hide
FPGA Engineer (VA, Reston )
Reston, Virginia, United States
OnsiteFull Time
EndoSec: Security software and cryptographic hardware for government and defense.
Design, develop, test, and maintain FPGA IP cores and FPGA-based systems for hardware security; experience with RTL, C/C++, Python, VHDL/Verilog; Xilinx/Intel FPGA tools; model/simulate; integrate HW/SW; travel up to 10%; must obtain/maintain U.S. government security clearance.
C/C++, Python, VHDL, Verilog, Tcl, Vivado, GHDL, Questa, Quartus Prime, Xilinx, Versal, Stratix, Zynq, Avalon, AXI, coCOTB, pyuvm
4w
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
Engineer II, Security Engineer
Southlake or Ashburn or Cary or Branchburg
$72k-$129k/yr HybridFull Time
2+ YOEBachelor’s degree or 4+ years of cybersecurity experience; 2+ years of relevant work experience; IAM familiarity; incident response lifecycle knowledge; automation/playbooks with SOAR/Python; threat hunting; network security and data analysis; strong communication.
Splunk, SOAR, Python, APIs, Data querying
1mo
Save
Mark Applied
Hide
Support Engineer
Vienna, Virginia, United States
OnsiteFull Time
Technical support or customer-facing ops experience; Linux, Docker, Bash; scripting (e.g., JavaScript, Python); strong written communication; on-site work five days a week.
Linux, Docker, Bash/Shell, JavaScript, Python
2w
Save
Mark Applied
Hide
GNC Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
6+ YOEUS citizen with Secret clearance; Bachelor's in Engineering (or related STEM) and 6+ years; experience in GPS/INS, navigation, MATLAB/Python/C/C++, GNC and signal processing.
MATLAB, Python, C, C++, GNC, Signal Processing
2w
Save
Mark Applied
Hide
Cloud Engineer
McLean, Virginia, United States
OnsiteFull Time
DoD Public Trust or higher; Bachelor's in CS or related field; CompTIA Security+ and AWS certs; strong AWS/Terraform; Python; IaC; cloud concepts; containerization; automation.
AWS, Terraform, Jenkins, GitLab, Ansible, AWS SSM, CloudFormation, EKS, ECS, Fargate, DNS, SMTP, HTTP, SFTP, SCP, Active Directory, LDAP, Python, JSON, YAML
1mo
Save
Mark Applied
Hide
Data Engineer
Winston-Salem, North Carolina, United States
OnsiteFull Time
Cloud data pipelines, Databricks Delta Lake, PySpark, Spark SQL, Python, SQL, REST APIs, Git, CI/CD, data governance, and financial domain familiarity.
Databricks, Delta Lake, PySpark, Spark SQL, Python, SQL, REST, Git, CI/CD
1w
Save
Mark Applied
Hide
Electronics Engineer
Bethesda, Maryland, United States
$100k-$115k/yr OnsiteFull Time
5+ YOEBachelor's in Electrical or Computer Engineering; 5+ years electronics hardware development; DoD/Navy experience a plus.
Python, LabVIEW, C/C++, MATLAB, SPICE, Altium, Cadence
2mo
Save
Mark Applied
Hide
Data Engineer
Falls Church or Fort Meade or Stuttgart or Tampa or Honolulu or Colorado Springs or Doral or Omaha or Scott Air Force Base
OnsiteFull Time
3+ YOE3+ years in data science, data engineering, or related field; strong Python, SQL, Spark, and ML tooling; experience with cloud data platforms; ability to work in DoD environment.
Python, SQL, Spark, Databricks, Docker, Terraform, MLflow, SageMaker, PySpark
2w
Save
Mark Applied
Hide
Field Engineer
Austin or El Segundo or Washington
OnsiteFull Time
Hybrid customer-facing engineering with frontend/backend skills; Python/JavaScript proficiency; strong CS/Math background; travel up to 50%; ability to obtain/maintain security clearance.
Python, JavaScript, Kubernetes, Helm, CI/CD, DevSecOps, MSS, Advana, Vantage, Envision
1d
Save
Mark Applied
Hide
Data Engineer
McLean, Virginia, United States
HybridFull Time
2+ YOE2–4+ years in data engineering or analytics engineering; Python and SQL; experience building data-driven apps (Dash); data quality concepts; data modeling; Agile collaboration.
Python, SQL, Dash, Mantine
1w
Save
Mark Applied
Hide
Senior Scientist/Engineer
Fairfax or Alexandria or Arlington or Washington
$65-$180/hr RemotePart Time
5+ YOEPh.D. plus 5 years in hazardous waste remediation; strong writing, data analysis, problem-solving; experience with quantitative research and communicating to technical/non-technical audiences.
Mathematical Modeling, Data Analysis, Report Writing, Quantitative Research Tools, Python, R, MATLAB
5d
Save
Mark Applied
Hide
Mechanical Engineer III
Chantilly, Virginia, United States
$102k-$131k/yr OnsiteFull Time
3+ YOEBachelor's degree in mechanical engineering; minimum 3 years' relevant experience; SolidWorks; prototyping; PDM; security clearance required; US citizenship required.
SolidWorks, ANSYS, Python, MATLAB, PDM
1mo
Save
Mark Applied
Hide
Splunk Engineer
Adelphi, Maryland, United States
$94k-$158k/yr OnsiteFull Time
7+ YOESeven+ years IT experience; 5+ years Splunk Enterprise implementation/administration; Linux, scripting (Python/PowerShell/Bash); DoD/IRM and RMF knowledge; Secret clearance; IAT II or higher.
Splunk, Linux, Python, PowerShell, Bash, Splunk ES, SOAR, ServiceNow, ACAS, HBSS, STIG
1mo
Save
Mark Applied
Hide
Staff DevOps Engineer
Sterling or United States
HybridFull Time
Asurion: Provides insurance and repair services for consumer electronics.
4+ YOE4+ years IT experience; AWS and Kubernetes; Python/JavaScript/Go; Docker; API gateway; CI/CD; AI/automation focus.
AWS, Kubernetes, Python, JavaScript, Go, Docker, Mulesoft, Apigee, Kong, Tyk, Terraform, CI/CD, Generative AI, Agentic AI
1d
Save
Mark Applied
Hide
Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
1w
Save
Mark Applied
Hide
Geospatial Analyst/Database Developer (Oracle) - TS/SCI w/ Poly
Chantilly, Virginia, United States
OnsiteFull Time
Manage Oracle Spatial DB, develop spatial queries, Python/SQL scripting, ESRI GIS tools, geospatial data analysis, independent work ethic.
Oracle Spatial, SQL, Python, JSON, XML, ArcGIS, ArchCatalog
1mo
Save
Mark Applied
Hide
DevOps Engineer
Herndon, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI with CI Poly; 5+ years Linux/Unix, scripting, configuration management; Python/Perl/ksh/bash; Ansible; Git; DevOps automation; Security+; MLS experience preferred.
Python, Perl, Korn Shell, Bash, Ansible, Git, GitLab, CI/CD, Unix/Linux
2w
Save
Mark Applied
Hide
ENGINEER/SCIENTIST
Dahlgren, Virginia, United States
$71k-$158k/yr OnsiteFull Time
1+ YOEInterdisciplinary engineering/science role focusing on radar systems; requires specialized experience in testing, analysis, and development of engineering data.
Python, C++, Java, MATLAB, GUI
1mo
Save
Mark Applied
Hide
AI Engineer, Associate
Bethesda, Maryland, United States
$90k-$110k/yr HybridFull Time, Contract
2+ YOE2+ years AI/ML experience; Azure OpenAI; Python; React; FastAPI; experience with vector databases and RAG; GitHub; Bachelor’s degree.
Python, FastAPI, React, Azure OpenAI, Azure Storage, Vector databases, SQL, NoSQL, GitHub
1w
Save
Mark Applied
Hide
Data Engineer
Falls Church, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's degree with 5+ years in data engineering; strong Databricks, Palantir Foundry, Python/SQL; build end-to-end data pipelines; DoD/government data experience; active SECRET clearance preferred.
Databricks, Palantir Foundry, SQL, Python
1mo
Save
Mark Applied
Hide
Network Engineer
Seattle or Reston or New York or San Jose or Spokane or Boulder or New York or Field-AK or Field-CA BAY
$111k-$167k/yr RemoteFull Time
7+ YOE7+ years in network engineering; FedRAMP Moderate/High experience preferred; BS in CS/IT; Master’s preferred; strong BGP/OSPF, JunOS, cloud networking; automation with Python/Ansible; security and compliance focus.
Python, Ansible/AWX, Git, BGP, OSPF, JunOS, EOS, NX-OS, IOS-XE, Firewall/VPN, DDoS mitigation, NIST 800-53
2mo
Save
Mark Applied
Hide
Data Engineer
Washington, District of Columbia, United States
$145k-$160k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with CI Poly, 5+ years data engineering, STEM degree or equivalent experience, cloud data services (AWS/Azure), Python/Bash, ETL/ELT, data governance.
AWS, Azure, Python, Bash, Airflow, Jenkins
4w
Save
Mark Applied
Hide
Senior Software Engineer (Auth & Identity)
Vienna or Remote
$100k-$155k/yr HybridFull Time
4+ YOEBackend-focused senior engineer for authorization and identity systems; 4+ years in auth, RBAC/ABAC, OAuth/OIDC/SAML; multi-tenant, distributed systems; cloud experience.
Python, Go, Java, OAuth 2.0, OIDC, SAML, AWS, Azure, GCP
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Sr. Data Engineer
Boston or New York or Santa Monica or Washington DC or Silicon Valley or Los Angeles or San Francisco or Philadelphia
$150k-$160k/yr OnsiteFull Time
5+ YOEFive+ years in senior data engineering or database architecture; cloud platforms; SQL; Python; ETL/ELT; data integration; Agile; AI familiarity.
Snowflake, Microsoft Fabric, SQL, Python, Git, APIs, JSON, XML, ETL/ELT
1mo
Save
Mark Applied
Hide
Engineer II, Microfluidic
Gaithersburg, Maryland, United States
$88k-$134k/yr OnsiteFull Time
5+ YOEDesign, prototype, test, and document microfluidic devices; 5+ years in related field; CAD, LabVIEW/MATLAB/Python; ISO/cGMP experience preferred.
AutoCAD, SolidWorks, LabVIEW, MATLAB, Python, COMSOL, ANSYS Fluent, Excel
2mo
Save
Mark Applied
Hide
Senior Data Engineer
Arlington, Virginia, United States
HybridFull Time
7+ YOE7+ years data engineering; AWS and Azure; MongoDB and PostgreSQL; Python, TypeScript, SQL; gov/defense experience; active clearance or ability to obtain.
AWS, Azure, MongoDB, PostgreSQL, Python, TypeScript, SQL, Docker, Kubernetes, Terraform, CloudFormation, Bicep, RDS, EC2, S3, IAM, VPC
HiringCafe market data
Python Developer Jobs market signals in Montclair, 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
4,000+
Hiring companies
820+
Fresh sample
58% new in 30d
Salary visibility
48% show pay
Companies appearing in this market
Agile DefenseAstrionGeneral Dynamics Mission SystemsLeading Path ConsultingSystems Planning and AnalysisVerizonF5InterImage
Work location mix in visible results
Onsite: 45Hybrid: 22Remote: 10