Python Developer (Distributed Systems)

Fullstack .Net/React Developer

Ho Chi Minh - Viet Nam

Product - Booking Platform

Negotiation

AI Research Engineer

Ho Chi Minh - Viet Nam

Product

• Machine Learning
• Python

Focus on improving model usability for users Conduct training runs and AI experiments Analyze results and make necessary changes Collaborate with the product engineering team to implement improvements Implement and improve upon recent RL techniques like GRPO, DPO, RePO, etc. Create and manage adaptable, expandable training codebases Establish and maintain efficient data pipelines, including both synthetic and real data Ensure training jobs are capable of scaling across multiple GPUs and nodes, such as FSDP, DDP, NCCL Maintain code health over the long term by writing clean, testable, and reproducible code Contribute to the enhancement of open source dependencies (Optional) Publish papers and present research findings

Negotiation

Senior Software Engineer (Backend + Network)

Ho Chi Minh - Viet Nam

Product

• Backend
• Network

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.

Negotiation