Malware Researcher (Mid-Level)

ActiveFence is hiring Intermediate Malware Researchers to analyze and review malware applications. Candidates should have a background in cybersecurity and software development.

The role includes training in malware analysis and detection and provides exposure to various malware threats and techniques. Researchers will combine technical and intelligence findings to reach accurate verdicts and assist in the bulk removal of malicious applications. The position requires adaptability and proactive identification of emerging malware trends.

We are seeking candidates who are willing to learn, can perform effectively under pressure, and maintain high professional standards.

Requirements

Must-Have:

• 2 years of proven experience in the industry in one of the following: malware research, reverse engineering, penetration testing, or software development
• Strong understanding of Java object-oriented programming
• Ability to trace execution flow through code analysis
• Comprehensive knowledge of cybersecurity, networking, and programming fundamentals
• Proficient English communication skills (reading and writing)

Nice-to-Have:

• Computer Science degree
• Proficiency in multiple programming languages (e.g., JavaScript, C/C++)
• Experience with disassemblers such as IDA Pro or Ghidra
• Experience with decompilers such as JADX or JEB
• Familiarity with instrumentation frameworks like Frida or Xposed
• Experience with HTTP debugging and network analysis tools (e.g., Fiddler, HTTP Toolkit, Burp Suite, Wireshark)
• Knowledge of common malware threats and techniques

About ActiveFence

ActiveFence is the leading tool stack for Trust & Safety teams, worldwide. By relying on ActiveFence’s end-to-end solution, Trust & Safety teams – of all sizes – can keep users safe from the widest spectrum of online harms, unwanted content, and malicious behavior, including child safety, disinformation, fraud, hate speech, terror, nudity, and more.

Using cutting-edge AI and a team of world-class subject-matter experts to continuously collect, analyze, and contextualize data, ActiveFence ensures that in an ever-changing world, customers are always two steps ahead of bad actors. As a result, Trust & Safety teams can be proactive and provide maximum protection to users across a multitude of abuse areas, in 70+ languages.

Backed by leading Silicon Valley investors such as CRV and Norwest, ActiveFence has raised $100M to date; employs 300 people worldwide, and has contributed to the online safety of billions of users across the globe.