Rebtel

Senior .NET Developer responsible for architecting and building scalable, high-throughput backend services and APIs. The role combines hands-on development with technical leadership, mentoring, architectural planning, and engineering standards across teams.

Rebtel is seeking a Senior iOS Developer to modernize its iOS app from legacy Objective-C to Swift, SwiftUI, and Combine. You’ll join a small, empowered team, ship features globally, and influence the platform’s architecture and technical direction.

Rebtel is hiring a Senior Machine Learning Engineer to build and own production ML and LLM-powered systems as AI becomes central to the business and product. You’ll shape the company’s ML/AI capability across fraud, churn, forecasting, RAG, agents, and user-facing AI features.

Senior Android Developer responsible for modernizing Rebtel’s Android app through a Java-to-Kotlin and Jetpack Compose migration while delivering new features to a global user base. The role combines hands-on mobile development, legacy code refactoring, architecture decisions, and cross-functional collaboration.

Staff .NET Developer serving as the principal backend architect and hands-on technical leader for Rebtel’s high-throughput systems. The role shapes architecture, technical strategy, engineering standards, and the long-term evolution of the backend ecosystem.