Principal Front-End Engineer (AdTech)

Argentina Brazil Bulgaria Colombia Czech Republic Europe Hungary Latin America Mexico Poland Spain React Software Developer

Required skills

React / strong
Material UI / strong
English / strong

We’re seeking a Principal Front-End Engineer to join our innovative team and take charge of creating and refining user-centric dashboards that drive our Defense Platform. As a key contributor, you’ll bring advanced Front-end expertise, especially in React and Material UI, to unify and elevate our product interfaces, ensuring a seamless, efficient experience for users combating sophisticated bot attacks and fraud.

In this role, you’ll lead the Front-End efforts to consolidate multiple dashboards into a cohesive design, building a robust UI system that supports real-time fraud detection across channels and enhances visibility into traffic integrity. This is a unique opportunity to impact the future of enterprise security solutions, working with a passionate team committed to protecting clients and their data from evolving threats.

If you’re a Front-End expert excited about designing scalable, high-performance UIs, we’d love to have you join us!

Customer

Our Customer is a Brooklyn-based company, founded in 2012, specializing in advanced bot protection and fraud prevention. Their Defense Platform authenticates over 20 trillion interactions per week for major enterprises, ensuring secure, fraud-free environments for leading online platforms.

Project

This solution provides real-time technical analysis to combat sophisticated bot and fraud attacks within the programmatic ecosystem. It supports platforms by blocking invalid traffic both pre-bid and post-bid, protecting inventory quality, platform reputation, and revenue. Designed for comprehensive multi-channel protection, it detects invalid traffic across desktop, mobile, in-app, audio, and connected TV.

Requirements

  • Advanced expertise in React is essential, with a deep understanding of Front-end best practices, state management, and performance optimization
  • Proficiency at the intermediate level with Looker is sufficient, with the ability to work with data visualization and reporting features
  • Intermediate experience with SQL is required for querying and manipulating data within dashboard environments
  • Strong expertise with Material UI for implementing design systems, component libraries, and ensuring cohesive, intuitive user interfaces
  • An Upper-Intermediate level of written and spoken English

WOULD BE A PLUS: 

  • Background in design, including experience with UX/UI principles and creating visually appealing, user-friendly layouts
  • Solid foundation in Computer Science fundamentals such as algorithms, data structures, and design patterns

Personal Profile

  • Proactive, UI-focused engineer with strong attention to detail
  • Adaptable to a high-impact, fast-paced cybersecurity environment, contributing to mission-critical solutions

Responsibilities

  • Own and manage the client-facing FraudSensor dashboard, enhancing the UI for insights into traffic and compliance data
  • Review and unify 3-4 existing product dashboards, eliminating redundancies, ensuring consistent design, and integrating a cohesive design system
  • Streamline dashboard functionality to deliver a more intuitive, efficient user experience for fraud detection and prevention

WHY US

  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

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