At Jscrambler, we’re on an exciting journey of rapid growth, fueled by the success of our innovative web security solutions. Our cutting-edge cybersecurity technology is trusted by Fortune 500 companies and leading global organizations to safeguard their online presence and applications.
Our mission is to provide robust security layers for web applications, empowering them with self-defensive capabilities to combat fraud, reverse engineering, and tampering attempts. We’re committed to preventing data breaches and protecting our clients’ reputations in an increasingly complex digital landscape.
After securing $15 million in Series A funding, we recently raised an additional $5.2 million to accelerate the evolution of our client-side protection solutions and drive innovation in web security. With this momentum, we’re launching into 2025 with energy and ambition, continuing to enhance our technology to meet the ever-evolving cybersecurity challenges.
Our team is expanding, and we’re looking for passionate individuals who are eager to make a significant impact. At Jscrambler, every team member plays a vital role in driving our success!
We are looking for a Senior Data Engineer to join our Engineering team responsible for designing, building, maintaining and scaling our Data Platform. As a Senior Engineer, you will have an exceptional impact, delivering high-quality work. We expect you to learn quickly, solve complex problems and take full ownership of issues, from identification to resolution. You enjoy collaboration across teams, driving initiatives, and contributing to achieve key business goals. Your strong technical expertise and passion for Data will help you to succeed in this role.
Our data platform delivers real-time insights into client-side behaviors to detect malicious activity. It processes millions to billions of data entries from web applications, identifying cybersecurity threats and PII (Personally Identifiable Information) compromises.
We are investing in expanding the platform’s capabilities, aiming to offer real-time data analysis and support new use cases. Our customers rely on our products to digest large volumes of data into easy-to-read, actionable dashboards that highlight potential attacks and security risks.
Key Responsibilities
Experience and Qualifications
Our Commitment to You

Jscrambler is the leader in Client-Side Protection and Compliance. We were the first to merge advanced polymorphic JavaScript obfuscation with fine-grained third-party tag protection in a unified Client-Side Protection and Compliance Platform. Our integrated solution ensures a robust defense against current and emerging client-side cyber threats, data leaks, misconfigurations, and IP theft. The Jscrambler Code Integrity product safeguards first-party JavaScript through state-of-the art obfuscation and exclusive runtime protection. The Jscrambler Webpage Integrity product mitigates threats and risks posed by third-party tags all while ensuring compliance with the new PCI DSS v4.0 standard.
With Jscrambler, businesses adopt a unified, future-proof client-side security policy all while achieving compliance with emerging security standards. Jscrambler serves a diverse range of customers, including top Fortune 500 companies, online retailers, airlines, media outlets, and financial services firms whose success depends on safely engaging with their customers online. Join us in shaping the future of web security and enabling fearless digital innovation.