Xsolla

Tech Lead – Fraud Prevention Platform

Xsolla

full-time

Posted on:

Location Type: Remote

Location: Serbia

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Job Level

Senior

Tech Stack

Distributed SystemsGoJava

About the role

  • Own the continued expansion of Xsolla’s real time fraud detection and prevention platform.
  • Lead architectural decisions around expansion of capabilities including deploying new ML models to make the platform robust and reduce risk to our customers.
  • Ensure systems meet **performance, reliability, security, and compliance** requirements.
  • Translate fraud and risk requirements into robust technical solutions.
  • Partner with Risk, Payments, and Compliance teams to continue to grow and expand the fraud detection and prevention platform.
  • Continue to evaluate new technologies, solutions around the globe to evolve fraud prevention strategies.
  • Lead a team of engineers (directly or as a technical lead across squads).
  • Drive best practices in: Code quality and reviews, System observability and alerting, Secure development, Incident response and root cause analysis.
  • Balance speed, risk, and quality in a high-impact domain.
  • Work cross-functionally with Product Managers, Data Scientists, and Operations.
  • Mentor senior and mid-level engineers in both **technical depth** and **domain expertise**.
  • Act as a technical escalation point for complex fraud-related incidents.

Requirements

  • 8+ years of professional software engineering experience, with **significant time in fintech or payments**.
  • Proven experience designing or leading **Fraud detection and prevention services**
  • Strong backend engineering skills (e.g., Go Lang, Java, or similar).Experience building **high-volume, low-latency distributed systems**.
  • Deep understanding of event-driven architectures, APIs and integrations, Data stores used for real-time decisioning
  • Excellent knowledge of AI and ML specially its application to fraud detection and prevention
  • Hands-on experience with fraud prevention in the global payments area
  • Experience working with data science or ML-driven fraud models.
  • Knowledge of AML, KYC, or regulatory frameworks.
  • Prior experience in global payment platforms or PSPs.
  • Experience operating systems at **global scale (multiple regions, currencies, and regulations)**.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Go LangJavafraud detection servicesfraud prevention serviceshigh-volume systemslow-latency systemsevent-driven architecturesAPIsmachine learningdata science
Soft Skills
leadershipmentoringcross-functional collaborationtechnical depthdomain expertiseincident responseroot cause analysisbest practicescommunicationorganizational skills