Anti-Fraud & Abuse Engineer (Europe)

15 hours ago

Belgrade, Central Serbia Perplexity AI Full time

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world's leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world's most visionary and successful leaders, including Elad Gil, Daniel Gross, Jeff Bezos, Accel, IVP, NEA, NVIDIA, Samsung, and many more. Our objective is to build accurate, trustworthy AI that powers decision-making for people and assistive AI wherever decisions are being made. Throughout human history, change and innovation have always been driven by curious people. Today, curious people use Perplexity to answer more than 780 million queries every month–a number that's growing rapidly for one simple reason: everyone can be curious. 

Perplexity is seeking a highly skilled, experienced and hands-on Anti Fraud & Abuse Engineer to join our dynamic security team, revolutionizing the way people search and interact with the internet. You will be responsible for designing, implementing, and operating cutting-edge monitoring and detection systems to identify and prevent fraudulent behaviors and abuse of our products and services.

Responsibilities
  • Design, build, and operate monitoring and detection systems to identify and prevent fraudulent behaviors and abuse
  • Perform adversary hunting to detect abuse and misuse of our products and services
  • Analyze how our products and services are being misused or abused
  • Track and mitigate cost impacts of fraud and abuse across our technology stack
  • Research and anticipate emerging abuse techniques to stay ahead of evolving threats
  • Build and maintain relationships with external threat intelligence partners and industry communities
  • Establish best practices, tools, and processes for our fraud and abuse detection program
Qualifications
  • Experience designing, implementing, and operating fraud detection, abuse prevention, or security monitoring systems
  • Background in security, adversarial machine learning, threat intelligence, or fraud investigations
  • Strong data analysis skills, able to identify patterns and anomalies within large datasets
  • Understanding of both technical and behavioral signals to support effective fraud prevention strategies
  • Excellent communication skills, able to present to both technical and non-technical audiences

  • Anti-Fraud & Abuse Engineer (Europe)

    15 hours ago

    Belgrade, Central Serbia Perplexity Full time

    Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world's leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world's most visionary and successful leaders, including Elad Gil, Daniel Gross, Jeff Bezos, Accel, IVP, NEA, NVIDIA, Samsung, and many more. Our objective is...

  • Freelance Anti-Fraud

    2 days ago

    Belgrade, Central Serbia Toloka Full time $45,440 - $46,320 per year

    About Toloka AIAt Toloka AI we create data that powers leading GenAI models and innovations. We work with frontier labs, big tech, renowned AI startups, enterprises and non-profit research organizations worldwide. We use a combination of Experts + Crowd + Tech Platform to teach AI models to reason and evaluate their efficacy and safety. We have experts in...

  • Supply Planner

    4 days ago

    Belgrade, Central Serbia Ardagh Group Full time €25,000 - €40,000 per year

    Supply Planner – Operational Planning & Projects (SAP IBP Focus)Location: Belgrade, RSFull-time | Hybrid/On-siteJoin our central planning team and help shape the future of our supply chain operations. We're looking for a motivated and detail-oriented Supply Planner with a strong focus on operational planning, project execution, and SAP Integrated Business...

  • National Accounting Manager RS

    15 hours ago

    Belgrade, Central Serbia Ardagh Group Full time €40,000 - €80,000 per year

    Ardagh Metal Packaging Serbia is looking forNational Accounting Managerto join our teamProfessional accounting recording, classifying, examining and analyzing financial transactions in accordance with defined regulations required. Preparation of financial data, records and payment of all obligations and taxes on time in accordance with local and group...

  • Solutions Architect

    15 hours ago

    Belgrade, Central Serbia Logifuture Full time €90,000 - €120,000 per year

    We are seeking a seasonedSportsbook Solution Architectto join our Architecture team and play a key role in designing scalable, high-performance sports betting platforms. This role requires a strong background in sportsbook technology and operations, as well as deep architectural expertise in complex, distributed systems.The successful candidate will work...

  • Deputy IT Manager

    1 week ago

    Belgrade, Central Serbia EDITEC Full time €40,000 - €60,000 per year

    THE COMPANYEditec UK ) is a leading provider of managed services and technology to Sports Betting, Lottery, and Gaming operators in Africa. The Company has a strong presence in over 26 Countries and several management satellite offices based throughout Europe and the Middle East.Key Responsibilities:Monitor the function and security of all computer hardware...

  • Senior Data Scientist

    4 days ago

    Belgrade, Central Serbia Telesign Full time €30,000 - €60,000 per year

    Key Responsibilities:Six plus years of relevant experience;DS/ML/AI products design, prototyping, development, deployment, upgrades, maintenance rebuilding/retraining, customizations, etc. for all DS/ML/AI-driven solutions;Data sources and data partners R&D: identification, research, cleansing, evaluation, patterns recognition, feature prototyping and...

  • Senior Data Scientist

    4 days ago

    Belgrade, Central Serbia Telesign Full time €30,000 - €60,000 per year

    Key ResponsibilitiesSix plus years of relevant experience;DS/ML/AI products design, prototyping, development, deployment, upgrades, maintenance rebuilding/retraining, customizations, etc. for all DS/ML/AI-driven solutions;Data sources and data partners R&D: identification, research, cleansing, evaluation, patterns recognition, feature prototyping and...

  • Integrity Manager

    2 weeks ago

    Belgrade, Central Serbia BETER Full time €30,000 - €60,000 per year

    BETER is an international company and an award-winning provider of betting content and data for esports and sports.We deliver around 700,000 fast-paced events annually, complete with 24/7 live streaming, real-time data, and odds.Our esports portfolio includes ESportsBattle tournaments, while our sports portfolio features the Setka Cup table tennis series,...

  • Lead Customer Support

    15 hours ago

    Belgrade, Central Serbia ZeptoLab Full time 30,000 - 50,000 per year

    At ZeptoLab, millions of players love our games daily. We want our Support to match that experience: fast, player-centric, and a source of insights for the entire company. If you're the kind of leader who doesn't sit back and wait for tasks but shapes Support into a driver of quality - this role is for you.What you'll doThe Lead here is not "above" Support...