Senior Application Developer - Reverse Engineer

Job Description

Job Description

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

Belay Technologies is seeking a Senior Application Developer - Reverse Engineer (RE AT SI) to join our intel team. You will act as a Software Engineer and Reverse Engineer in order to develop cutting edge security tools in a fast-paced, agile environment. Your work will be delivering on the client’s national security mission, where you will work closely with analysts, data scientists and other software engineers. You will be expected to work largely independently, pursuing opportunities that present themselves from your research, and following up with customer needs. The customer, in CNO’s Alternate Tradecraft Product Group, will provide opportunities to quickly adapt and deploy new security products, allowing your tools to be used within weeks, not years. 

• Develop Python applications to automate analysis and operational workflows
• Reverse Engineer network traffic and web applications 
• Work with customers to collect requirements and ensure proper functionality 
• Coordinate with team of software developers to incorporate new technologies and leverage shared libraries 
• Manage dataflow and formatting to integrate into client systems 

Candidates should have the following qualifications:  

• TS/SCI with polygraph is required.  
• Bachelor’s degree and twelve (12) years of related experience or a Master of Computer Science or Computer Engineering with a minimum of ten (10) years of experience. 
• Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.

Skills Requirements :

• Production-grade software development experience in Python
• Familiarity with HTML, JavaScript, and other common web traffic 
• Experience with Burp Suite, browser developer tools, or Wireshark to monitor network communications 
• Service containerization and deployment with Docker/Kubernetes. 
• Familiarity with Git/Gitlab. 
• Familiarity with AI-assisted code development (Claude Code, Copilot, Cursor, etc.) 
• Atlassian Tools (Jira, Confluence). 

Nice to Haves :

• Experience prototyping web applications (JavaScript)
• Analyzing cyber security-related data sets (network traffic, OS events). 
• Knowledge of end-to-end SIGINT collection and analysis systems. 
• Experience with production CNO capabilities and operations. 
• Experience developing or reverse engineering mobile applications and communications. 
• Capable of designing and manipulating Gitlab CI/CD automated builds

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.

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