Software Engineer Jobs in Ashburn, VA

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Java / Python / Kafka Software Engineer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-driven
Posted 60+ days ago | Updated 2 hours ago

Data Scientist / Cloud Software Engineer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Data Scientist / Cloud Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented Data Scientist / Cloud Software Engineer to join our team and contribute to the development of innovative cloud-based solutions that leverage advanced data analytics. In this role, you will work on designing and building scalable cloud architectures while applying data science techniques to drive insig
Posted 60+ days ago | Updated 2 hours ago

Linux Systems Software Engineer

Yoh - A Day & Zimmerman Company

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Remote or Sunnyvale, California, USA

Full-time

Linux Systems Software Engineer Required: Bachelor's degree in Computer Science, Computer Networking, Electrical Engineering, or a closely related field. Minimum of 5 years' experience developing system-level software in Linux-based environments, ideally within telecommunications, ISP, or networking industries. Strong programming proficiency in Golang, Python, and C/C++, with proven experience writing both core applications and unit/regression tests. Advanced understanding of multi-threaded prog
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Posted 17 days ago | Updated 1 hour ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 2 hours ago

Senior Software Engineer - .NET Core/React - Fintech

Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

This is a full-time role with a high-growth company in the payments and commerce space, supporting some of the world's largest brands. This position is hybrid preferred but open to remote. You'll work with .NET Core, React (or Angular), and SQL to build secure, scalable web applications that power in-store, online, and mobile experiences across industries. The company offers the opportunity to work on a global, enterprise-grade platform with a tight-knit engineering team. If you're passionate ab
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Posted 60+ days ago | Updated 11 hours ago

Senior Software Integration Engineer (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in
Posted 25 days ago | Updated 2 hours ago

System/Software Test Engineer (HYBRID)(No C2C/H1B/EAD)

NetSource, Inc.

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Merrifield, Virginia, USA

Contract

No C2C/H1B/EAD - Since this is a government contract. Please note that this is a 3-month contract position. The client seeks a Senior Integration and Test Engineer for our client in Merrifield, VA.Must be willing to travel (50%) - Client will reimburseQualifications:Working knowledge of one or more of the following skillsets: ASP.Net, SQL, PL/SQL, Automated Testing Tools (Selenium, QTP, UFT, Sprinter), Performance Testing Tools (e.g., Performance Center), Dev Ops, XML, JSON, Oracle, SQLServer, R
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Posted 2 days ago | Updated 2 days ago

Software Test Engineer

Lockheed Martin Corporation

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Herndon, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 14 days ago | Updated 2 hours ago

Software Engineer (JavaScript, AngularJS, MongoDB, AWS)

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Software Engineer (JavaScript, AngularJS, MongoDB, AWS) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a motivated and skilled **Software Engineer (JavaScript, AngularJS, MongoDB, AWS)** to join our dynamic development team. In this role, you will be responsible for designing, building, and maintaining full-stack web applications using JavaScript, AngularJS, and MongoDB, while leveraging AWS cloud servi
Posted 60+ days ago | Updated 2 hours ago

Software Infrastructure Engineer (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-06 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Software Infrastructure Engineer (Onsite) This position requires an active US security clearance. Most aspects of the job are done i
Posted 6 days ago | Updated 2 hours ago

Software Engineer Developer 2

ACL Digital

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Manassas, Virginia, USA

Full-time

Does this position require a U.S. Person for purposes of Export Compliance: Yes Would there be any testing required during the interview process: C++/ Simulink challenge 7 years of experience 64881-1 Software Engineer Developer 2 (Development) Max Bill Rate- $86.15 Pay rate- $62/hr. on W2. Location- Manassas, VA Onsite/hybrid Onsite preferred, hybrid for the right candidate Duration: 12 mo. Possible extension General Information We are seeking Software Engineers to contribute to the d
Posted 60+ days ago | Updated 2 hours ago

Software Engineer (C++)

GSSR

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Manassas, Virginia, USA

Contract

We are seeking for a software Engineer who has experience with C++, OCI/ProC, Oracle PL/SQL, SQL, Unix, Perl, Python and XML. Requirement analysis and Design of new features and enhancements to existing components. Produce / Update solution paper, design document, support set-up of test environment, write unit test driver, functional drivers and provide support to test environment, QA and Production as necessary.
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Posted 60+ days ago | Updated 29 days ago

Software Engineer Developer 3 (Development)

ACL Digital

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Manassas, Virginia, USA

Full-time

Job ID- 64885-1 Title- Software Engineer Developer 3 (Development) Location- Manassas, VA Onsite/hybrid Onsite preferred, hybrid for the right candidate Duration: 12 mo. Possible extension General Information We are seeking Software Engineers to contribute to the development of next-generation autonomous aircrafts. Our contributions to the aerospace industry include the world-record breaking Orion aircraft, the first fully autonomous helicopter (AACUS), a flying taxi, underwater vehicles and a
Posted 60+ days ago | Updated 2 hours ago

Software Developer/Cloud Engineer

Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Must currently hold and have the ability to maintain a TS/SCI with Poly. The Oracle's Government, Defense, and Intelligence org is seeking consultants that have a passion for software development supporting a number of exciting customers facing engagements. Those who excel in this role are motivated self-starters who love to solve challenging problems and feel comfortable working directly with customers on innovative internal development teams. This role is an integral part of
Posted 32 days ago | Updated 2 hours ago

Principal Software Systems Engineer

Parsons Services Company

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Herndon, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Job Description: Parsons is looking for an amazingly talented Principal Software Sy
Posted 60+ days ago | Updated 2 hours ago

Software Dev Engineer - Software Dev Engineer III

Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2076538 Job Description: If you are interested in the opportunity please reach out to me at Software Development Engineer Introduction Are you passionate about developing scalable solutions and troubleshooting complex system code? We are seeking a Software Development Engineer to focus on collecting telemetry from FreeBSD and OpenBSD operating systems. This role offers the opportunity to work on automation, feature development, and optimization while collaborating with a skilled engineer
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Posted 43 days ago | Updated 2 hours ago

Software Dev Engineer - Software Dev Engineer III

Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2076537 Job Description: Intro: We are looking for a talented Software Development Engineer to join our team and focus on creating and enhancing Windows services. The successful candidate will contribute to all aspects of the software development lifecycle, work alongside other engineers on various software development tasks, and automate support processes and documentation of our systems. Job Description: Key Responsibilities: Windows Solutions Development: Create and develop windows s
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Posted 43 days ago | Updated 2 hours ago

Software Development Engineer

Workday, Inc.

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McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 34 days ago | Updated 2 hours ago

Software Engineer IV

Medifast, Inc.

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Remote or Baltimore, Maryland, USA

Full-time

About The Opportunity At Medifast, our team members are relentless in our mission of driving Lifelong Transformation, Making a Healthy Lifestyle Second Nature . When you join Medifast, you become part of a dynamic, fast-growing community of highly motivated, like-hearted people who share a passion for promoting health and wellness. Just as OPTAVIA Coaches inspire Clients to reach their personal wellness goals, at Medifast, we inspire each other to bring our best to work each day to further our s
Posted 40 days ago | Updated 11 hours ago

Software Development Engineer

Micron Technology, Inc.

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Manassas, Virginia, USA

Full-time

Our vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Configure, develop, maintain and support Micron and third party applications. Create and analyze software specifications, and research, design, document, modify, and support software throughout the
Posted 13 days ago | Updated 2 hours ago