Senior JavaScript Developer

1 week ago

Remote Warszawa, Czech Republic Trust Sourcing Full time

5+ years of experience working with JavaScript Fluent in English (both verbal and written) Proven experience with high-scale environments, handling real-time and performance challenges Experience with Java or Golang is a plus Real-world security experience, particularly in tracking and investigating cyber threats Curiosity We are expanding our product suite of comprehensive Ad Verification solutions and are looking for a talented Senior JavaScript Developer & Researcher to join our team. As a Senior JavaScript Developer & Researcher, you will play a critical role in our mission to fight online fraud while contributing to an advanced AdTech suite. This position offers an exciting blend of responsibilities, from identifying web-oriented attacks targeting advertisers to designing and deploying cutting-edge AdTech solutions in real-time. About us: We are at the forefront of disrupting the ad verification space. The company is leveraging world-class resources and expertise to drive innovation, transforming ad verification from a simple measurement to a powerful growth engine for our clients. Our ad verification includes services such as fraud/IVT detection, brand suitability and safety, viewability and other key metrics. Also, we leverage ML, AI and the most advanced technology stack to provide buyers and sellers the most sophisticated and efficient solutions. With Fortune 500 clients, the company is an exciting growth business within an established company. Responsibilities: Your day-to-day will involve working with millions of data records to identify anomalies and patterns that could reveal fraud. Your passion for cybersecurity, big data analysis, and high-scale production environments (handling billions of requests and multiple terabytes of data daily) will be key. This position demands full ownership of your projects—you'll be the architect, designer, and coder, deploying to production multiple times a day, impacting hundreds of millions of users in real-time.Technologies and Tools:- Advanced JavaScript / TypeScript- Advanced SQL- Google Cloud Infrastructure- Python and Golang (occasionally) Referral We are always searching for new talents and welcome your recommendations. Have someone on your mind? Send them to us. For a successful hire for this position, you will receive a 500 USD Gross bonus. ,[] Requirements: JavaScript, Agile, Java, Golang, Security Tools: . Additionally: Private healthcare, Flat structure, Open Management, Fast recruitment process.

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