Senior Frontend Developer

Work with Group-IB Fraud Protection — an advanced platform built to uncover and stop sophisticated online fraud. You’ll think like an adversary, analyze real-world tactics, and counter threats ranging from social engineering and account misuse to malicious bots, web injections, mobile trojans, and complex malware-driven fraud schemes.

• Develop and maintain the GUI frontend written in TypeScript and React
• Design and implement Protobuf gRPC APIs
• Write and maintain automated tests, review code from teammates
• Develop a monitoring system for anonymized transactions
• Design and implement complex client-side scenarios
• Build a graph visualization tool for analytical exploration of relationships between various data structures

• Has strong proficiency in TypeScript and React, with a solid understanding of static typing and reactive programming principles
• Has a good command of JavaScript and understands how it behaves across different browsers
• Has hands-on experience in frontend development and can review and support other developers’ code
• Knows how to work with Web Workers and various Web APIs
• Approaches architecture and coding in a structured and methodical way
• Can solve complex problems with clear, understandable solutions
• Has good technical awareness, enthusiasm, and a collaborative mindset

• Experience with MobX, Vite, and Biome JS
• Experience in designing Protobuf and gRPC APIs
• Familiarity with Tanstack Query and Tanstack Router
• Experience with Golang, Docker, and Kubernetes (our backend is written in Go)
• Experience working with micro-frontends and monorepositories