Software Tester (Relocate to Berlin)

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

Senior Software Developer (Perl)

Others - Viet Nam

Outsourcing company

• Perl

Oversee feature development and make contributions to architectural enhancements in Perl-based systems. Restructure and update outdated Perl codebases. Enhance SQL queries and boost system performance. Engage in peer reviews, provide guidance to junior developers, and promote knowledge sharing. Spearhead enhancements in CI/CD pipelines and internal tooling.

Negotiation

Featured Job

Tech Lead Software Developer (Delphi, Oracle PL-SQL)

Ho Chi Minh - Viet Nam

Global Software Delivery Centers

• Delphi

Supervising development teams in a local management role, reporting to the Software Engineering Manager in Europe Setting targets and offering guidance to local teams Ensuring quality in team development Participating in sprint planning and retrospective meetings Assigning and delivering development tasks as per sprint planning Estimating complexity and workload Selecting the most suitable technical solution to meet user requirements Designing, developing, and implementing changes to the LIMS in line with customer and business user needs Collaborating with other team members to support the LIMS Working with other team members (Engineers/QA) to assure high-quality solutions Implementing and enforcing good practices and high-quality standards

Negotiation