Senior Software Engineer Jobs in Ashburn, VA

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Senior Software Engineer

TMV Global, Inc.

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Reston, Virginia, USA

Full-time

Job Title: Senior Software Engineer Java & Python with AWSLocation: [Reston, VA]Experience: 8+ YearsType: [Full-Time] Job Summary:We are looking for a highly skilled developer with strong expertise in both Java and Python development, along with hands-on experience in AWS. The ideal candidate will be responsible for building scalable backend systems, developing REST APIs, and deploying applications on the cloud. Key Skills:Strong in Java (Spring Boot) and Python (Flask/FastAPI/Django) Experience
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Posted 8 days ago

Senior Software Engineer

Iridium Satellite LLC

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Reston, Virginia, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 1 day ago | Updated 10 hours ago

Senior Software Engineer Full Stack Remote

Generis TEK Inc.

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Remote or Plano, Texas, USA

Contract

We have Contract role Senior Software Engineer Full Stack Remote for our client at White Plains, NY. Please let me know if you or any of your friends would be interested in this position. Position Details: Senior Software Engineer Full Stack-Plano, TX Remote Location : Plano, TX Remote (Working hours will be in CST) Project Duration : 9+ Months Contract Job Summary We re seeking a Senior Software Engineer with deep experience across the stack to design, develop, and maintain scalable application
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Posted 5 days ago | Updated 1 day ago

Sr. Software Engineer (TS/SCI)

Maxar Technologies Holdings Inc

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Reston, Virginia, USA

Full-time

Please review the job details below. Maxar is seeking a Senior Software Engineer with a strong emphasis on front-end development and full-stack capabilities to support a mission-critical Government customer at a secure site in Reston, VA. This is a hands-on coding role that also includes mentorship and team culture responsibilities. You will be part of a collaborative leadership team and a key contributor to both the codebase and the growth of the engineering team. The role supports a suite of
Posted 1 day ago | Updated 1 hour ago

Senior Software Engineer

CMC Electronics

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Reston, Virginia, USA

Full-time

CMC Electronics (CMC) has earned an international reputation for innovation and excellence in the design, manufacturing and support of electronic products for the aviation markets. CMC is focused on delivering innovative cockpit and avionics system integration solutions to commercial and military customers worldwide. Its principal facilities are located in Montreal, Quebec; Ottawa, Ontario; Chicago, Illinois and our newest site in Reston, Virginia. CMC is a major supplier to the aerospace and hi
Posted 9 days ago | Updated 8 days ago

Senior Software Engineer

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 22 days ago | Updated 1 hour ago

Senior Software Engineer- Remote

ICF

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Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the continental US* ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are passionate about building a culture that encourages, embraces, and hires dimensions of difference. Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for s
Posted 20 days ago | Updated 1 hour ago

Senior Software Engineer

NNData

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Remote or Reston, Virginia, USA

Full-time

Software/Systems Architect/Engineer NNData Corporation is seeking a cleared Computer Software/Systems Architect/Engineer to support a government intelligence agency contract. Design and execute the technical implementation for infrastructure and cloud computing services. Deliver solution that aligns with the customer s business needs and requirements. Provide design recommendations and assistance to solution deployment team members. Assist in the development of detailed project specifications an
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Posted 29 days ago

Senior Software Engineer

Jobot

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McLean, Virginia, USA

Full-time

Design and implement the next big thing enabling engineers to automate reliability on large scale, distributed software systems . This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $215,000 per year A bit about us: This early stage software product startup has formed through the founders' decades of experience in technology leadership at the largest and most recognizable big tech companie
Posted 3 days ago | Updated 5 hours ago

Senior Software Engineer

Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0222364 Software Engineer, Senior The Opportunity: We're looking for a passionate Senior Full-Stack Software Engineer to work with a fast-paced, highly collaborative software development team building and launching capability for Enterprise web-based systems in the Cybersecurity field. You'll have the opportunity to work on building a web-based SaaS solution automating Cybersecurity Risk Management and Vulnerability or Configuration Monitoring. You'll be responsible for breaking do
Posted 14 days ago | Updated 2 hours ago

Senior Software Engineer - CTJ - Poly

Microsoft Corporation

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Reston, Virginia, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 27 days ago | Updated 1 hour ago

Senior Software Engineer

General Dynamics

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Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. Must have JavaScript and Kubernetes. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable period. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements
Posted 15 days ago | Updated 1 hour ago

Sr. Software Engineer

Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

An ed-tech startup based in Washington DC is looking for a Senior Software Engineer to join their growing team. They're building an LLM-driven product that cultivates the learning of school students. They provide students with AI-guided lessons that allow them to improve their understanding of subjects like math, science, and history. They also work with teachers and schools as a supplement to in-person education that leads to greater rates of retention and learning which compounds into higher G
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Posted 4 days ago | Updated 10 hours ago

Senior Software Engineer

Credence Management Solutions

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McLean, Virginia, USA

Full-time

Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for war-fighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest G
Posted 39 days ago | Updated 10 hours ago

Senior Software Engineer

Mastercard

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Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 21 days ago | Updated 1 hour ago

Senior Software Engineer

Redhorse Corporation

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Arlington, Virginia, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is seeking a highly skilled Senior
Posted 18 days ago | Updated 10 hours ago

Sr. Software Engineer III

Leonardo DRS

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Germantown, Maryland, USA

Full-time

Job ID: 112036 DRS RADA Technologies, a subsidiary of Leonardo DRS, is focused on proprietary radar solutions and legacy avionics systems supporting the defense industry globally. The company is a global pioneer of AESA tactical radars for active military protection, counter-drone applications, critical infrastructure protection, and border surveillance. Job Summary Join our dynamic radar defense company as a Senior Software Engineer where you'll drive technical excellence and help shape the a
Posted 51 days ago | Updated 1 hour ago

Senior Software Engineer

Modern Technology Solutions

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Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Software Engineer with experience in Java and JavaScript to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member is directly responsible for the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining software applications across one or more projects using an agile development model. Why is MTSI known as a Great Place to Work? Inte
Posted 60+ days ago | Updated 24 days ago

Senior Software Engineer

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0219794 Software Engineer, Senior The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding
Posted 60+ days ago | Updated 2 hours ago

Senior Software Engineer Technical Lead

Booz Allen Hamilton

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Springfield, Virginia, USA

Full-time

Job Number: R0222912 Software Engineer Technical Lead, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than
Posted 4 days ago | Updated 2 hours ago