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Senior Application Developer

Company:
Belay Technologies
Location:
San Antonio, TX, 78201
Posted:
April 02, 2026
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Description:

Job Description

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!

Belay Technologies is seeking a Senior Application Developer to join our intel team. You will act as an application developer and subject matter expert for up-and-coming projects where you will design, develop and integrate the techniques and capabilities for mission-critical operations. These capabilities will be used on hand-held and networked devices. You will be working closely with analysts, operators, engineers and other subject matter experts to determine secure and efficient approaches to the customer's most pressing needs. as part of the innovation team, you'll work on prototyping new approaches for application operation and help bolster existing capabilities. This position supports an Agile team, that works quickly to meet the needs of the mission.

Responsibilities:

Research and develop proof-of-concept techniques for application communications and operations

Develop and maintain in-house embedded applications and relevant data transfer code

Reverse engineer embedded devices and networking protocols

Elicit impact-driven requirements for tool development

Use AI/LLMs to efficiently and safely accelerate development cycles

Candidates are required to have the following qualifications:

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

Skill Requirements:

Technical leadership experience in development teams

Network stack and programming experience

Expertise working with Linux/Unix environments

Production grade software development experience in C/C++, Python or Rust

Atlassian Tools (Jira, Confluence)

Nice to Haves:

Rust proficiency

Mitmproxy experience

Ghidra/radare2 experience

Mobile development experience

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: $190,000 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.

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