Senior Software Engineer (Cybersecurity)

Senior Software Engineer - Digital Security

Conditions

Posted Date Apr 03, 2026 Employment Type Full-time Experience Level Mid-Senior level Location Washington Dc-baltimore Area Annual Salary 138,550 USD Category ** Programming ** Company **the media trust **

Senior Software Engineer - Digital Security

Job Description The Media Trust is on a mission to make the digital ecosystem a healthier, more valuable place for businesses, governments and consumers. Working with the world’s largest, most-heavily trafficked digital publishers and their AdTech partners as well as enterprises, the Media Trust delivers real-time security, data protection, performance management and quality assurance solutions that help protect, monetize and optimize the user experience across desktop, smartphone, tablet and gaming devices. The Media Trust is an industry pioneer with 20 years of history continuously monitoring the online and mobile ecosystem. Build the Future of Digital SecurityWhat You'll Build Your code will protect billions of users from sophisticated threats hiding in digital advertising. As a Senior Software Engineer at The Media Trust, you'll architect internet-scale security solutions that detect malicious JavaScript, prevent data breaches, and safeguard digital experiences in real-time. The technical challenges are fascinating: serverless architectures processing massive data streams, browser-level detection systems catching threats others miss, and intelligent automation staying ahead of evolving attacks. This is innovation at the intersection of cybersecurity, AdTech, and performance engineering. Who You'll Work With Join highly motivated engineers who combine deep technical expertise with genuine curiosity and collaborative spirit. We're problem-solvers who bring ownership mentality and quality craftsmanship to everything we build—and we're looking for engineers who energize those around them. You'll partner with security researchers tracking emerging threats, data engineers handling petabyte-scale datasets, and Fortune 500 publishers who rely on your solutions to protect their revenue and reputation. How You'll Grow This role offers expertise in unique, high-growth domains:

• Security Engineering – Master web application security, malvertising detection, and advanced attack vectors most developers never encounter Interested in remote work opportunities in Development & Programming? Discover Development & Programming Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.
• Internet-Scale Architecture – Build cloud systems processing massive volumes with AWS serverless (Lambda, Kinesis, Athena)
• Browser Internals – Develop rare expertise in rendering engines, JavaScript execution, DOM manipulation, and iframe sandboxing
• AdTech Ecosystem – Navigate programmatic advertising (RTB, SSP/DSP) that drives the modern internet economy

You'll lead technical initiatives, mentor engineers, drive architectural decisions, and innovate on emerging challenges—amplifying your impact across systems protecting billions of users.

What You'll Bring 10+ years building scalable applications | 5+ years JavaScript mastery | AdTech experience (SSP, DSP, RTB) Your toolkit:

• Modern web frameworks (React/VueJS) and JavaScript expertise
• AWS serverless architecture (Lambda, Kinesis, S3, Athena)
• Database proficiency (PostgreSQL, MongoDB) Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.
• Web performance optimization and browser technology depth
• Agile/Scrum delivery with quality-first mindset

Bonus: DOM manipulation, iframe sandboxing, web security (XSS, malvertising, web skimming), ad verification expertise

Work Where You Thrive Currently 100% remote with optional in-person collaboration at our Northern Virginia/Tysons Corner office. Priority will be given to candidates on the east coast -in particular those a commuting distance to McLean, VA. Competitive compensation, comprehensive benefits, and a culture prizing technical excellence and work-life balance. Ready to solve hard problems and protect the digital ecosystem?

The Media Trust: 20 years pioneering real-time security solutions for the world's largest publishers and enterprises.

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