Python Developer Jobs in Ashburn, VA, US

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Senior Software Engineer

Gaithersburg, Maryland, United States

OnsiteFull Time

Chenega Corporation: Provides professional government, defense, and facility support services.

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

3mo

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3mo

Frontend Lead Engineer

Richmond or Arlington

OnsiteFull Time

Koalafi: Provides lease-to-own and loan financing for non-prime consumers.

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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2mo

Senior Software Engineer

Herndon, Virginia, United States

RemoteFull Time

iDirect Government: Provides secure satellite-based IP communication solutions for government organizations.

6+ YOESenior software engineer with 6+ years in C/C++, Linux, REST/GraphQL, and modern web tech; strong problem solving and collaboration.

C++, Go, GraphQL, Vue, Node.js, WebSockets, REST, Docker, Kubernetes, PostgreSQL, MySQL, MariaDB, Python, Perl, Lua, GCC, cmake, bash, Jira, Git

2mo

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2mo

Senior Platform Engineer

Arvada or Los Angeles or San Francisco or Seattle or Washington

$145k-$186k/yr HybridFull Time

Quindar: Provides cloud-based software for satellite mission and fleet operations.

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

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Principal Software Engineer

Herndon, Virginia, United States

$139k-$185k/yr RemoteFull Time

ATPCO: Global repository for airline pricing and merchandising data.

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

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Lead Cybersecurity Automation Engineer

Baltimore, Maryland, United States

$95k-$140k/yr OnsiteFull Time

Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.

7+ YOE7+ years in developing, implementing, and maintaining automated workflows and playbooks with SOAR; advanced scripting in Python/PowerShell/Bash; SIEM/EDR integration; SOC workflow automation.

SOAR, SIEM, EDR, Python, PowerShell, Bash

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Software Developer (50767)

Bethesda, Maryland, United States

$120k-$160k/yr OnsiteFull Time

GAP Solutions: Providing professional services and mission support to federal agencies.

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

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Senior Engineer, Production

Arlington, Virginia, United States

OnsiteFull Time

Venture Global LNGNYSE: VG: Produces and exports liquefied natural gas from North American facilities.

3+ YOE3+ years production/ process engineering; advanced degree preferred; LNG or hydrocarbon experience; data tools such as Power BI, Python/SQL beneficial.

Excel, Power BI, Unisim, HYSYS, Python, SQL

1mo

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1mo

Data Engineer III

Columbia, Maryland, United States

$113k-$128k/yr RemoteFull Time

eSimplicity: Provides digital and data services to federal government agencies.

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

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1mo

Site Reliability Engineer

Washington, District of Columbia, United States

HybridFull Time

Highlight Technologies: Federal contractor providing IT modernization and mission solution services.

5+ YOE5+ years systems engineering; Bash, Python, PowerShell; Windows API & integrations; cloud (SaaS/IaaS/PaaS); Microsoft Entra admin; compliance policies; ServiceNow development; Public Trust eligibility; Bachelor’s in CS; ITIL v3/v4 preferred.

Microsoft Entra, ServiceNow, Bash, Python, PowerShell, APIs, Runbooks, Intune, DLP, RBAC, SaaS, IaaS, PaaS, Glide, JavaScript

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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

Powerhouse Institute: Provides strategic IT and management consulting services to government agencies.

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

1mo

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1mo

Principal Engineer, State Estimation (R4602)

United States or San Diego or Dallas or Boston or Washington or North America

$270k-$400k/yr OnsiteFull Time

Shield AI: Develops autonomous flight software and unmanned aircraft for defense.

15+ YOEExtensive state estimation experience in aerospace; GNSS/INS integration; production-grade software; strong C/C++, Python/MATLAB; safety-critical development; 15+ years experience.

C/C++, Python, MATLAB

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GXM Technologies LLC - Senior Full Stack Application Developer (.NET MAUI)

Arlington, Virginia, United States

OnsiteFull Time

GXM Technologies: Delivering rapid software solutions and innovation for defense organizations.

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

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1mo

Systems Engineer

Herndon, Virginia, United States

OnsiteFull Time

Cinteot: Provides cybersecurity and software engineering services for federal agencies.

5+ YOE5+ years Linux, scripting, configuration management; Python, Perl, Korn, Bash; Git/GitLab; DevOps automation; Security+ certification.

Linux, Python, Perl, KornShell, Bash, Ansible, Git, GitLab, GitLab CI

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Infrastructure Engineer

Torrance or Washington or Los Angeles

$101k-$138k/yr OnsiteFull Time

Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.

3+ YOE3-5 years production infrastructure experience; Linux, networking, AWS, Terraform, Kubernetes; on-call; Python/Go; strong technical writing.

Terraform, Kubernetes, AWS, Helm, GitOps, Python, Go, Vault, Grafana

2mo

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2mo

Data Engineer

Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami

$101k-$160k/yr HybridFull Time

DLA Piper: Global law firm providing legal and commercial advisory services.

3+ YOEDesign, build, and operate data pipelines and integration; leverage Azure data services; 3+ years of data engineering experience; proficient in SQL and Python.

Azure Data Factory, Azure Databricks, Azure Event Hubs, SSIS, Azure Synapse Analytics, SQL, Python, PowerShell, Java, Scala, Go

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Enterprise Integration Developer

Baltimore, Maryland, United States

$94k-$148k/yr RemoteFull Time

CienaNYSE: CIEN: Provides high-speed optical networking and network automation solutions.

1+ YOEMaster’s degree in Computer Science or IT; 1+ year experience in integrations using Java/Python/R, Mulesoft/OIC/Boomi; document and deploy integration solutions.

Java, Python, R, Mulesoft, OIC, Boomi, Oracle SOA

2mo

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2mo

2908 Software Integration Engineer

Fort Meade, Maryland, United States

OnsiteFull Time

InterImage: Delivers IT modernization and cybersecurity solutions for government agencies.

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

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NASA Software Engineer (cFS)

Greenbelt, Maryland, United States

OnsiteFull Time

Columbus Technologies and Services: Independent technology and software provider delivering mission-critical solutions.

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

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Sr. Innovation Software Engineer

Minnetonka or Austin or Chicago or Easton or Dallas or Detroit or Hagerstown or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland

$77k-$154k/yr OnsiteFull Time

HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.

8+ YOESenior software engineer with full-stack, AI-enabled solution delivery; 8-12 years of experience.

Java, Python, TypeScript/JavaScript, Vertex AI, Google Cloud

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Senior Software Engineer, Growth

Boston, Massachusetts, United States

$148k-$222k/yr OnsiteFull Time

KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.

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

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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

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Data Engineer

Chadds Ford or Baltimore or Boston or Wilmington or United States

$60k-$90k/yr RemoteFull Time

Bridgeforce: Specialized management consulting for the banking and financial industry.

2+ YOEBachelor's or Master's in CS or related field; 1-2 years experience; SQL/Redshift; Python; shell scripting; data warehousing; strong English communication.

SQL, Redshift, Python, Shell scripting, AWS, Data warehousing

2mo

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2mo

Cloud Engineer

Reston, Virginia, United States

$93k-$124k/yr RemoteFull Time

American College of Radiology: Advances radiologic practice through education, research, and quality accreditation.

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

1mo

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1mo

Principal Engineer - Controls

Hagerstown, Maryland, United States

$92k-$148k/yr OnsiteFull Time

OshkoshNYSE: OSK: Manufacturer of specialty trucks, military vehicles and access equipment.

5+ YOEBachelor's degree in mechanical/electrical engineering with 5+ years of related experience; strong vehicle controls experience; CAN bus; MATLAB/Simulink; AMEsim; dSPACE; Autosar; C/C++; Python.

MATLAB/Simulink, AMEsim, dSPACE, Vector tools, Autosar, C/C++, Python, ADAMS

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Firmware Engineer

Falls Church, Virginia, United States

OnsiteFull Time

Kastle Systems: Provides managed security and property technology for buildings and businesses

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

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Data Engineer

Fairfax, Virginia, United States

OnsiteFull Time

Prometheus Federal Services: Providing strategic consulting and program management for federal health agencies.

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

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Sr. Data Engineer

Vienna, Virginia, United States

$170k-$185k/yr RemoteFull Time

HalvikNASDAQ: TTEK: Provides technology, analytics, and management consulting to federal agencies.

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

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1mo

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

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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

AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.

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

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Engineer II, Security Engineer

Southlake or Ashburn or Cary or Branchburg

$72k-$129k/yr HybridFull Time

VerizonNYSE: VZ: Provides wireless, fiber-optic internet, and telecommunications services globally.

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

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1mo

Support Engineer

Vienna, Virginia, United States

OnsiteFull Time

Antithesis: Autonomous software testing platform using deterministic simulation.

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

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GNC Engineer

Dahlgren, Virginia, United States

OnsiteFull Time

Corvid Technologies: Provides high-fidelity physics simulation and engineering design services.

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

1mo

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1mo

Data Engineer

Winston-Salem, North Carolina, United States

OnsiteFull Time

Allegacy Federal Credit Union: Member-owned cooperative providing personal and business financial services.

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

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Electronics Engineer

Bethesda, Maryland, United States

$100k-$115k/yr OnsiteFull Time

Advanced Technology & Research Corporation: Provides specialized engineering research and robotic automation solutions.

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

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Field Engineer

Austin or El Segundo or Washington

OnsiteFull Time

Gallatin: Develops AI software for military logistics and supply chains.

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

2mo

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2mo

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

Agile Defense: Provides IT and cybersecurity services for federal government missions.

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

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Senior Scientist/Engineer

Fairfax or Alexandria or Arlington or Washington

$65-$180/hr RemotePart Time

Eastern Research Group: Provides environmental and health consulting services to government agencies

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

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Mechanical Engineer III

Chantilly, Virginia, United States

$102k-$131k/yr OnsiteFull Time

ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.

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