The Role
Lead the design and implementation of VPN detection and IP threat investigation solutions, researching emerging technologies and developing countermeasures.
Summary Generated by Built In
About GeoComply
We’re GeoComply! We are at the forefront of geolocation, cybersecurity, and anti-fraud innovation, developing and delivering cutting-edge technologies to help ensure regulatory compliance, combat bad online actors, alleviate user friction, and protect businesses from fraud.
Achieving significant business and revenue growth over the past three years and dubbed a tech “Unicorn,” GeoComply has been trusted by leading global brands and regulators for over ten years. Our compliance-grade geolocation technology solutions are installed on over 400 million devices and analyze over 12 billion transactions a year.
At the heart of it all is the people, united by a deep commitment to problem-solving and revolutionizing how people and businesses use the internet to instill confidence in every online interaction. With teams across five countries, three continents, and a global customer base, we have no plans to slow down.
The Senior Software Engineer, GeoGuard contributes to the success of the GeoGuard team by leading the design and implementation of advanced VPN detection, proxy identification, and IP threat investigation solutions. This role combines deep technical development expertise with specialized network security knowledge to combat emerging IP spoofing threats and anonymization technologies.
Reporting directly to the Manager, Technical Product, this position develops and maintains GeoGuard's core products by architecting sophisticated detection algorithms, researching emerging VPN/proxy technologies, and implementing robust countermeasures against IP obfuscation techniques.
Key Responsibilities
- Accountabilities
- Lead technical research and development of VPN/proxy detection algorithms and IP threat assessment systems
- Provide technical guidance to developers on network security, IP geolocation, and threat detection methodologies
- Research emerging VPN services, proxy networks, and IP spoofing techniques; analyze their methods and develop countermeasures
- Design and architect scalable solutions for real-time IP threat analysis and geolocation verification
- Conduct technical reviews of threat detection models and validation algorithms for customer releases
- Establish and maintain best practices for cybersecurity-focused development within the team
- Immediately escalate critical security vulnerabilities or emerging threat vectors that could impact product effectiveness
- Continuously monitor and analyze new VPN providers, proxy services, and anonymization tools
- Investigate 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 including 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 GeoGuard's 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 threat landscape
- Contribute to open-source security tools and research when appropriate
Responsibilities
VPN/Proxy Investigation & Research:
Technical Development:
System Architecture & Operations:
Customer & Stakeholder Support:
Industry Intelligence & Collaboration:
Who You Are
- 5+ years of experience with PHP and Python/Go. Experience leading technical teams is a plus
- Experience with cybersecurity is particularly valuable.
- Ability to research new technologies, deep knowledge in IP network/ CDN technologies, develop specifications, and code
- Problem solver and solutions-oriented
- Ability to multi-task and schedule, collaborate with teams and follow up with team members on actions
- Good communication skills
- Good written and spoken English skills
- Good understanding of object-oriented programming and design patterns
- Good understanding of relational databases (if applicable)
- Experience working in a multinational team
- Experience using modern version control and project management systems
- Teamwork skills
- Ability to work a flexible schedule or overtime in the event of emergencies on the project
- Striving for professional development
- Analytical skills
- Quick learner
Why Join GeoComply:
- Hybrid working mode & Modern office at a prime location in District 1
- Professional development budget to support your growth
- 20 annual leave days, 5 sick leave days
- Premium health insurance (Bao Viet or Liberty)
- Social, unemployment, and health insurance contributions based on full salary
- Competitive salary package, 100% salary during the probation period
- Attractive bonuses (13th month, business performance, equity plans)
- Annual salary performance review
- Free parking
- Annual company trip & Year-end party
- Quarterly team-building activities
- In-office snacks and drinks (snacks, coffee, juice, milk, etc.)
- International working environment
- Weekly yoga classes in the office
Apply Now!
Interested in joining our team? Send us your resume and a cover letter. We can’t wait to meet you!
Commitment to Diversity and Equity.
If you don't tick every box in this job description, please don't rule yourself out. Research suggests that women and other people in underrepresented groups tend to only apply if they meet every requirement. We focus on hiring people who value inclusion, collaboration, adaptability, courage, and integrity rather than ticking boxes, so if this resonates with you, please apply.
Search Firm Representatives Please Read Carefully
We do not accept unsolicited assistance from search firms for employment opportunities. All CVs or resumes submitted by search firms to any employee at our company without a valid written agreement in place for this position will be considered the sole property of our company. No fee will be paid if a candidate is hired by GeoComply due to an agency referral where no existing agreement exists with the GeoComply Talent Acquisition Team. Where agency agreements are in place, introductions must be through engagement by the GeoComply Talent Acquisition Team.
Why GeoComply?
Joining the GeoComply team means you’ll be part of an award-winning company to work, learn and grow. We are fast-paced, high-impact, and have a can-do team culture.
To be successful in our organization, you need an eager attitude, professionalism, and the confidence to willingly work to prove yourself and your ideas, and earn the trust of the organization.
Here’s why we think you’d love working with us.
We’re working towards something big
We’ve built a reputation as the global market leader for geolocation compliance solutions for over 10 years. We’re trusted by customers from all over the world, and the next few years will be particularly exciting as we continue to scale across new markets.
Our values aren’t just a buzzword
Our values are the foundation for what we as a company care about most. They signify the commitment we make to each other around how we act and what we stand for. They are our north star as we work together to build a company we’re all proud to be a part of. Learn more, here.
Diversity, equity, and inclusion are at the core of who we are
In collaboration with our team and external partners, we promote DEI in our recruitment and hiring practices; scholarships and financial aid; training and mentorship programs; employee benefits, and more.
Learning is at the heart of our employee experience
At GeoComply, we foster an environment that empowers every employee to gain the knowledge and abilities needed to perform at their very best and help our organization grow. From a professional development budget to local training opportunities, knowledge-sharing sessions and more, we are continually investing in employee career growth and development.
We believe in being a force for good
We profoundly care about our impact on the world and strive to make meaningful contributions to the communities we work and live in. Our Impact division focuses on philanthropic and social responsibility initiatives, including supporting our local communities, advancing equality, and harnessing our technology to protect vulnerable groups. Learn more, here.
We care about our team
Our GeoComply team is talented, driven and hard-working, and is known for its positive attitude and energy. At GeoComply, we take care of our employees with the total package. Team members are generously rewarded with competitive salaries, incentives, and a comprehensive benefits program.
We value in-person collaboration
GeoComply culture thrives on a dynamic mix of in-person energy and independent focus and we champion a hybrid work model that blends the energy of in-person collaboration with the flexibility to work from home. Our 3-day in-office policy fosters teamwork and innovation, while also recognizing the importance of individual work styles and needs.
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At GeoComply, we live our value of Act with Integrity. Our workplace is built on mutual respect and inclusion, and we welcome applicants of all backgrounds, experiences, beliefs, and identities. Creating an accessible interview experience for all candidates is important to us. If you have any requests (big or small) throughout our hiring process, please don’t hesitate to let us know so we can do our best to prioritize your needs.
We care about your privacy and want you to be informed about your rights. Please read our Applicant Privacy Notice before applying for the position.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information please see the Applicant Privacy Statement or feel free to contact us directly.
Skills Required
- 5+ years of experience with PHP and Python/Go
- Experience with cybersecurity is particularly valuable
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The Company
What We Do
Founded in 2011, GeoComply provides fraud prevention and cybersecurity solutions that detect location fraud and help verify a user's true digital identity. Our award-winning products are based on the technologies developed for the highly regulated and complex U.S. online gaming and sports betting market. Beyond iGaming, GeoComply provides geolocation fraud detection solutions for streaming video broadcasters and the online banking, payments and cryptocurrency industries, building an impressive list of global customers including Amazon Prime Video, BBC, Akamai, Sightline, DraftKings, FanDuel and MGM. The company’s software is installed on over 400 million devices worldwide and analyzes over 10 billion transactions a year, placing GeoComply in a unique position to identify and counter both current and newly emerging fraud threats. Proven and refined over 10 years of development, GeoComply’s solutions incorporate location, device and identity intelligence along with advanced machine learning to detect and flag fraudulent activity. By integrating GeoComply’s solutions into their processes and risk engines, organizations are able to identify fraud earlier in a user’s engagement, better establish their true digital identity and empower digital trust
