1,210+ Senior Python Developer Jobs in Herndon, USA — Local Employers Hiring June 2026

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Senior Python Developer

**MANTECH** seeks a driven and mission-focused **Senior Python Developer** to join our elite team based in **Herndon, VA** . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers th ...

Senior Python Developer

**MANTECH** seeks a driven and mission-focused **Senior Python Developer** to join our elite team based in **Herndon, VA** . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers th ...

Python Software Developer

**MANTECH** seeks a driven and mission-focused **Python Software Developer** to join our elite team based in **Herndon, VA** . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers ...

Python Software Developer

**MANTECH** seeks a driven and mission-focused **Python Software Developer** to join our elite team based in **Herndon, VA** . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers ...

Senior ServiceNow Developer

About VivSoft VivSoft is a mission-driven technology company specializing in Cloud, DevSecOps, Artificial Intelligence, and Digital Experience.We are a diverse team of innovators focused on creating open, scalable, and automated solutions that drive digital transformation in federal space.< ...

Software Developer, Senior

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

Senior BI Report Developer

Job Title:Senior BI Report Developer Location:  Remote Position Type:  Full-Time   About the company:   At VivSoft, we aim to solve complex federal problems using emerging and open technologies in a collaborative and rewarding environment.VivSoft is ...

Senior Software Developer TS/SCI

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative c ...

Software Developer

*Applicants must posses a Top Secret Clearance for consideration - higher clearance level can be held*Zachary Piper Solutions is seeking a Software Developer to support a mission critical Intelligence Community program based in Herndon, VA. This is a full time, onsite position due ...

DevOps Developer (Experienced, Senior or Lead)

**Job Description** At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Defense, S ...

Full Stack Developer with AI: 25 06427 (No C2C)

Skills: Python (Expert), JavaScript/React (Proficient), Gen AI (Intermediate), AWS (Expert), REST APIs (Proficient); Contract Type: W2 Duration: 6+ Months with possible extension Location: Herndon, VA (Hybrid) Pay Range: $80.00 - $85.00 Per Hour J ...

Digital Forensics Software Developer

**MANTECH** seeks a motivated, career and mission-focused **Digital Forensics Software Developer** to join our team in **Herndon, VA.** Join a highly recognized and elite team of technical leaders delivering advanced technical solutions in digital forensics to intelligence agencies. **Responsibilit ...

Windows Developer

Position Title:Windows Developer – Kernel & Reverse Engineering Location: Arlington, VA or Herndon, VA Clearance Required: Active ISA/TS (Top Secret) or higher Position Overview: We are seeking a highly skilled Windows Developer with expertise in kernel-level development and re ...

Software Developer

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.</p ...

GIS Developer

Position OverviewThe GIS Developer is responsible for supporting the design, development, and maintenance of geospatial applications and spatial data services ...

Android Developer

<h3>Job Description</h3><br /><p>Ring0 Technologies ("Ring Zero") is hiring an Android Developer who will be working to create cutting-edge Cyber Capabilities solutions to real-world problems. We are looking for someone who is passionate about Cybersecurit ...

Appian Developer

**Introduction**A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, y ...

Software Developer

In this position, you will:Support technical design activities and participate in architecture and design reviews.Develop, test, and maintain enterprise-grade software applications supporting FAA programs.Translate system and business requirements into well-structured, maintainable code.Conduct p ...

Software Developer, Expert

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

Junior AI/ML Engineer

Junior AI/ML Engineer Location: Herndon, VA (Hybrid Work) Preferred: US Citizenship Node.Digital is an innovative solutions development company that combines agile development services with next-generation technologies in Cloud, Mobile, and AI/Machine Learning. We deliver state-o ...

Software Engineer TS/SCI (FSP)

**Introduction**Seeking a versatile software engineer with TS/SCI US Government security clearance and FSP to join a small agile team designing, developing, and maintaining secure, scalable software solutions for government customers. The team is fast-paced, collaborative, and cohesive, and depends on team m ...

Senior Software Developer Engineer, AWS Compliance & Security Assurance

DescriptionThe AWS Compliance & Security Assurance Engineering team is in the business of building customer trust. We are responsible for scaling AWS's ability to exceed the security and compliance expectations of our regulators, auditors, and customers globally. We design and build services that stand up to ...

Senior DevOps Engineer / Hybrid onsite in Herndon, VA

$150000 - $170000A highly established, publicly traded energy organization is seeking a Senior DevOps Engineer to join its cloud application team in Herndon, VA (2 days onsite per week). This role focuses on designing, deploying, and maintaining scalable, reliable cloud infrastructure supporting modern appli ...

Machine learning Engineer & AI Platform Developer 10+years of experirnce

Job Title: Machine Learning Engineer & AI Platform Developer - 10+years experience Location: Remote Type: Full-Time Job Description: We are looking for a talented Machine Learning Engineer & AI Platform Developer to join our team. In this role, you will be responsible for des ...

Application Developer SME

OverviewVTG is currently seeking a Full Stack Web Application Developer SME in Herndon VA to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide applications and data centric mission management applications. The candidate will be part of a ...

Application Developer III

Position TitleApplication Developer IIIOverviewWe are seeking an experienced Application Developer I ...

Application Developer HLV028

<h3>Job Description</h3><br /><p>The Front-End Application Developer is responsible for designing, developing, and maintaining modern, scalable web applications with a strong emphasis on user experience, performance, and reliability. This role requires deep experience in front-end deve ...

Applications Developer RAK364

<h3>Job Description</h3><br /><p>Seeking a detail-oriented and experienced ETL Engineer to join our data engineering team. The ideal candidate will be responsible for designing, building, and maintaining data pipelines and integration processes that enable reliable, timely, and hi ...

Oracle EPM Developer

**Req ID:** RQ222140**Type of Requisition:** Regular**Clearance Level Must Be Able to Obtain:** None**Public Trust/Other Required:** None**Job Family:** Software Engineering**Skills:**Oracle,Oracle Essbase,Software Projects**Experience:**8 + years of related experience < ...

Software Developer VI

**54046BR****Company:** General Atomics **Job Summary:** General Atomics (GA), and its affiliated companies, is one of the world’s leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advan ...

ServiceNow Developer (Expert)

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

Software Developer (SME)

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

Software Developer (SME)

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

Software Developer SME

**Job Description** BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides servi ...

UI Path Developer

Title: UI Path Developer Location: Herndon VA; Washington DC; Kansas City Job Type: 1 year Contract Rate: $Open/hr. *Clearance: Public Clearance Requirements Basic Qualifications: + Minimum 2 years of RPA development experience with UiPath.<b ...

Maximo Junior Developer

**Introduction**A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, y ...

Remote WordPress Developer

Job DescriptionA client of Insight Global is looking for a Remote WordPress Developer to join the team. The ideal candidate will have 4+ years of professional experience and a Bachelor’s degree, with strong full-stack development and deployment expertise using technologies such as JavaScript, React.js, and N ...

Full Stack Developer

Job DescriptionWe’re looking for a Full Stack Developer skilled across the entire application stack from front-end interfaces to back-end logic and databases. The ideal candidate excels in problem-solving, communicates effectively, and collaborates with cross-functional teams to enhance both modern and legac ...

Senior AI/ML Engineer

Senior AI/ML Engineer Location: Herndon, VA (Hybrid Work) Preferred: US Citizenship Node.Digital is an innovative solutions development company that combines agile development services with next-generation technologies in Cloud, Mobile, and AI/Machine Learning. We deliver state-o ...

DevOps Developer 3

This job is with Encode, Inc a fully owned subsidiary of LancesoftActive TS/SCI U.S. Security Clearance with current full scope polygraphOur team focuses on delivering complex solutions in some of the most challenging environments on Earth. We provide support for our Mission Operations ...

WIndows CNO Developer

A Global Government Contracting Company is seeking a Senior Windows CNO developer with an ISA/TS or ISSA/TS who is interested in full time work on sponsor site in the northern VA area. This is 100% on siteMust have:3+ years with CPrior experience developing CNO capabilities on Wind ...

Sr. AI Platform Developer Hybrid

Sr. AI Platform Developer Programming Languages: Mastery of Python is essential, with R, Java, and C++ also being highly valuable. Machine Learning (ML) & Deep Learning (DL): You'll need a deep understanding of ML concepts ( ...

Linux CNO Software Engineer

**Description:** As a leader in defense technology cybersecurity. Lockheed Martin designs innovative, custom fit capabilities that strengthen both offensive and defensive cyber operations for customer missions. We are seeking **Cyber Network Operations (CNO) Linux Developers** who want to solve technical cha ...

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