We’re building a cross-browser Fingerprint SDK and a high-performance backend for fraud detection and risk analysis. We’re looking for a Software Engineer who enjoys working close to the browser, handling large-scale data, and solving non-trivial engineering problems.
What You’ll Work On
Design, develop and maintain a cross-browser Fingerprint SDK using Vanilla JavaScript/TypeScript, focused on performance, accuracy, and resilience against ad blockers and privacy restrictions
Build backend services with Node.js (Express) to process and analyze large volumes of collected data
Work with ClickHouse for analytical workloads and MySQL for transactional data
Design and optimize raw SQL queries for high-performance data access
Contribute to fraud detection and risk analysis systems by identifying patterns and anomalies in data
What We’re Looking For
7+ years of experience with JavaScript/TypeScript and raw Node.js (Express)
Strong experience with JavaScript in the browser
Experience writing and optimizing raw SQL queries
Familiarity with high-volume data processing or analytics systems
Bonus: experience with fingerprinting, anti-fraud systems, or cybersecurity
Nice to Have
Experience dealing with ad blockers, tracking prevention (Safari/Firefox), or similar constraints
Background in security, fraud detection, or risk analysis
What We Offer
A collaborative and dynamic work environment with minimal bureaucracy, allowing for quick decision-making and efficient workflows.
Opportunities for professional growth and development.
The chance to work on cutting-edge technologies and challenging projects.
Competitive salary and benefits package.
Flexibility in work hours and location.

