Senior Software Engineer (Backend + Network)

ABOUT CLIENT

Our client is working on global products, revolutionizing how people and businesses use the internet to instill confidence in every online interaction

JOB DESCRIPTION

Continuously monitor and analyze new VPN providers, proxy services, and anonymization tools.
Conduct investigations on IP allocation patterns, hosting provider behaviors, and network infrastructure changes.
Develop and maintain comprehensive databases of known VPN/proxy IP ranges and behavioral signatures.
Research emerging threats such as residential proxies, mobile proxies, and distributed proxy networks.
Monitor darkweb marketplaces and security forums for emerging proxy/VPN trends.
Perform deep packet analysis and network traffic pattern recognition.
Develop and maintain the system using PHP, Python, and/or Go.
Optimize VPN/Proxy detection algorithms.
Design scalable infrastructure to handle millions of IP lookups per day.
Implement monitoring and alerting systems for detection accuracy and system performance.
Analyze production incidents related to false positives/negatives in threat detection.
Collaborate with DevOps team on deployment of detection rule updates and model improvements.
Investigate customer-reported bypass attempts and develop rapid response solutions.
Provide technical expertise during customer security consultations.
Support sales engineering team with technical demonstrations and proof-of-concepts.
Document threat analysis findings and detection methodologies for internal and customer use.
Maintain relationships with cybersecurity vendors, threat intelligence providers, and ISPs.
Monitor industry threat reports, security advisories, and academic research.
Participate in cybersecurity conferences and forums to stay current with the threat landscape.
Contribute to open-source security tools and research when appropriate.

JOB REQUIREMENT

5+ years of experience with PHP and Python/Go, with a bonus if experienced in leading technical teams
Knowledge and experience in cybersecurity is highly desirable
Proficiency in researching new technologies, deep understanding of IP network/CDN technologies, and adept at developing specifications and writing code
A proactive problem solver with a solutions-oriented mindset
Capable of multitasking, organizing schedules, collaborating with teams, and following up with team members on tasks
Strong communication skills in written and spoken English
Solid grasp of object-oriented programming and design patterns
Familiarity with relational databases is advantageous
Previous experience working in a multinational team
Proficiency in using modern version control and project management systems
Strong teamwork ethic
Willingness to work flexible hours or overtime in the event of project emergencies
Committed to professional development
Analytical and quick learner

WHAT'S ON OFFER

Learning opportunities and personal development support
Comprehensive health insurance coverage
Competitive compensation package
Lucrative bonuses including 13th month, business performance, and share appreciation rights
Annual salary performance review
Flexibility with hybrid working arrangements and contemporary office in a prime location
Annual company trip and year-end celebration
Regular team-building activities
Access to in-office snacks and beverages
International workplace atmosphere
Weekly in-office yoga classes

CONTACT

PEGASI – IT Recruitment Consultancy | Email: recruit@pegasi.com.vn | Tel: +84 28 3622 8666
We are PEGASI – IT Recruitment Consultancy in Vietnam. If you are looking for new opportunity for your career path, kindly visit our website www.pegasi.com.vn for your reference. Thank you!

Job Summary

Company Type:

Product

Technical Skills:

Backend, Network

Location:

Ho Chi Minh - Viet Nam

Working Policy:

Hybrid

Salary:

Negotiation

Job ID:

J01940

Status:

Active

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