Senior Software Developer

Two Six Technologies
Herndon, VA

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.

Overview of Opportunity

Two Six is looking for a talented Senior Software Developer to join our growing team. In this role you will design, develop, and debug mission critical software source code that meets the needs of our customers. In addition, you will have the opportunity to research and integrate new capabilities into our client application. You will work closely with cross-functional teams to deliver a high-performance system and contribute to the overall architecture of our software solutions.

What you will do:


  • Design, develop, and debug mission critical software applications and services

  • Collaborate with product managers, designers, and other developers to define and deliver features

  • Participate in/lead technical discussions analyzing requirements, design and engineering practices

  • Troubleshoot, debug, and optimize system for performance and scalability

What you will need:


  • Bachelor’s degree in computer science or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience

  • 10+ years of experience in software development

  • Deep understanding of software design and implementation in systems programming languages such as Rust, C, or C++

  • Proficiency with common web languages such as HTML, CSS, and Javascript

  • Proficiency with multithreaded and asynchronous programming

  • Proficiency with computer and network security concepts

  • Proficiency with common development tools such as version control (e.g. Git) and issue tracking systems (e.g. JIRA)

  • Demonstrated experience with all major aspects of software development: design, coding, debugging, building, testing, and deploying

  • Outstanding verbal and written communication skills to effectively collaborate with internal and external partners

Nice to haves:


  • Proficiency with the Windows API (Win32, WinRT)

  • Proficiency with reverse engineering tools (e.g. IDA, Ghidra) and concepts

  • Proficiency with a broad variety of programming languages

  • Proficiency with assembly languages (e.g. x64)

  • Proficiency with GPU programming (e.g. DirectX, OpenGL, Vulkan)

  • Experience with Amazon Web Services

  • Understanding of web accessibility Section 508 Standards

Security Clearance:


  • Active TS/SCI with Polygraph

#LI-JS

#LI-JB1

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

Salary Range

$122,100 - $229,300 USD



Looking for other great opportunities? Check out Two Six Technologies Opportunities for all our Company’s current openings!

Ready to make the first move towards growing your career? If so, check out the Two Six Technologies Candidate Journey ! This will give you step-by-step directions on applying, what to expect during the application process, information about our rich benefits and perks along with our most frequently asked questions. If you are undecided and would like to learn more about us and how we are contributing to essential missions, check out our Two Six Technologies News page! We share information about the tech world around us and how we are making an impact! Still have questions, no worries! You can reach us at Contact Two Six Technologies . We are happy to connect and cover the information needed to assist you in reaching your next career milestone.

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.

If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to [email protected] . Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.

Additionally, please be advised that this business uses E-Verify in its hiring practices.

By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate.

Posted 2025-11-25

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