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

Job ID:

J01940

Status:

Close

Related Job:

Salesforce Engineer (IC2)

Ho Chi Minh - Viet Nam

Outsource

  • Salesforce

#Salesforce Engineering (Quote-to-Cash) Build and maintain Salesforce processes from Quote through to Cash Work full-stack on the platform: declarative (data model, Flows, validation, security model) and programmatic (Apex, Lightning Web Components) Implement changes safely on a production system used by Go-to-Market every day#Integrations & System Interfaces Maintain and further develop the integrations between Salesforce and internal/external systems (customer portal, HubSpot, license management, billing/ERP, and others) Design and operate integrations using Salesforce REST/SOAP APIs and standard integration patterns Own the health of these interfaces: monitoring, error handling, and data consistency#Collaboration with Go-to-Market / RevOps Partner with RevOps and GTM to translate business needs into robust technical implementations Challenge requirements where they create risk or technical debt Coordinate handoffs at the Lead-to-Quote / Quote-to-Cash boundary#Reliability, Security & Change Safety Protect a revenue-critical system: change control, testing, backup/rollback awareness Apply JTL security and compliance standards to Salesforce work#Optional / stretch With spare capacity, support tech-heavy Lead-to-Quote topics in Salesforce (optional; primary ownership of Lead-to-Quote stays with RevOps)

Negotiation

View details

Senior Bioinformatics Engineer

Ho Chi Minh - Viet Nam

Product

  • Data Science

Serve as the primary bioinformatics subject matter expert for engineering teams developing cloud-native bioinformatics software. Collaborate with software architects to translate scientific workflows into scalable distributed computing architectures. Help engineers understand the computational characteristics, assumptions, and limitations of existing bioinformatics tools. Validate that modernized applications preserve scientific correctness and produce reproducible results. Define biological data models, metadata standards, controlled vocabularies, and best practices for data harmonization. Guide engineering teams in designing scalable approaches for processing large genomic and multi-omics datasets. Evaluate open-source bioinformatics software (e.g. PLINK, Regenie, BCFtools, GATK, Nextflow workflows, etc.) and identify opportunities for cloud-native modernization. Work with distributed computing specialists to determine how algorithms can be parallelized using Spark and other large-scale execution frameworks. Develop validation datasets, benchmarking methodologies, and acceptance criteria for transformed applications. Review engineering designs to ensure biological accuracy and scientific integrity. Collaborate with AI engineering teams on using AI-assisted software transformation while ensuring scientific correctness. Stay current with advances in bioinformatics, computational biology, distributed computing, and cloud-based scientific software.

Negotiation

View details

Senior Software Engineer (Distributed Computing)

Ho Chi Minh - Viet Nam

Product

  • Python
  • AWS
  • Spark

Design and provide input on system architectures, contribute to coding standards, and mentor junior engineers. Work with various teams to ensure software solutions meet business requirements, international standards, and objectives. Tackle complex software development and integration challenges, optimizing system performance. Create high-quality Python code and integrate diverse software components into cohesive solutions, with a focus on cloud computing and life sciences applications. Keep up-to-date with new technologies and Python frameworks, particularly in cloud computing. Oversee testing, deployment, and comprehensive documentation of integrated systems. Actively participate in all phases of the software development lifecycle. This includes creating user stories and engaging in sprint planning to align development efforts with business objectives. Engage with multinational companies, demonstrating flexibility to occasionally adapt to US and EU time zones.

Negotiation

View details