Senior Application Developer - Belay Technologies

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026!

Belay Technologies is seeking a Senior Application Developer to join our intel team. You will act as a general-purpose Software Engineer and CNO Reverse Engineer for up-and-coming projects where you will design, develop, prototype, modify, and integrate solutions to provide mission-centric results. You will work closely with analysts, operators, data scientists and other software engineers to provide mission tactical support.

Responsibilities:

• Augment existing toolsets.
• Derive, document, and analyze requirements.
• Produce end-to-end toolsets that can operate within mission constraints.
• Take part in peer code reviews to reduce defects.
• Build prototypes to demonstrate understanding of mission requirements.

• Produce and modify software systems in C/C++/Python/Assembly.
• In-depth understanding of network protocols (e.g., TCP/IP), and analysis of network traffic (e.g., Wireshark).
• Provide support for fielded software systems.
• Familiarity with Git and Subversion.
• Atlassian Tools (Jira, Confluence).

• Experience with reverse engineering windows or embedded platforms (RTOS).
• Experience with developing CNO specific software in Windows/Linux/Embedded applications.
• Experience with any of the following: Java, JavaScript, Bash, PowerShell, Perl, C#, Rust.
• Experience with Vulnerability Research and Exploit development.
• Knowledge of end-to-end SIGINT collection and analysis systems.

• TS/SCI Clearance with polygraph
• 12 yrs., B.S. or 10 yrs. w/ M.S., 4 yrs. of additional SWE experience may be substituted for a bachelor’s degree.

Perks and Benefits:

• 8 weeks paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11 paid holidays and optional leave up to 6 days through Belay's volunteer program
• 10% matching in 401(k) contributions vested on day one
• $5,000 annual training/tuition
• Student Loan Repayment Program
• 100% company-funded HSA
• Rich medical coverage (100% coinsurance)
• Dental coverage including orthodontia
• Up to $420,000 in life insurance, premiums 100% company funded
• Amazon Prime, gym reimbursement, monthly lunches, games and prizes
• Pet adoption program, generous referral bonus program, fun events, and more!

At Belay, we are committed to creating an environment where you can thrive both professionally and personally. We believe in transparency and fairness in compensation. Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. Belay offers a competitive total compensation package that includes benefits and perks, a flexible work-life balance, and career development.

Salary Range: $168,000 to $240,000

Belay Technologies is a certified Service-Disabled Veteran-Owned Small Business located in Columbia, Maryland (Baltimore/Washington area). Belay Technologies specializes in systems automation and full stack development. Belay Technologies provides leading technology and engineering solutions to the DoD, as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services. We are an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.