Full Stack Engineer

RNRS Solutions · Warsaw

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Our client is a European deep-tech startup developing next-generation radar systems for detecting and tracking small, low-flying drones.

We are looking for a Fullstack Engineer with 3–5 years of experience, strong Rust and/or C++ skills, and practical frontend experience. You will build software for radar control, monitoring and real-time visualization, working closely with embedded, signal-processing and AI/ML engineers.

Responsibilities

• Develop reliable, high-performance backend services in Rust and/or C++.

• Build interfaces in React and TypeScript for system configuration, monitoring and visualization of detections and tracked objects.

• Connect backend services and frontend applications through WebSocket, REST APIs or gRPC.

• Integrate continuous sensor data streams, telemetry and external systems using TCP/IP, UDP and binary protocols.

• Optimize latency, throughput, memory usage and frontend responsiveness.

• Contribute to modular architecture, automated testing, documentation and Docker-based workflows.

Requirements

• 3–5 years of professional software development experience.

• Strong practical knowledge of Rust and/or modern C++.

• Experience with React and TypeScript or comparable frontend technologies.

• Experience with API design, network programming and frontend–backend integration.

• Understanding of asynchronous programming, concurrency and multithreading.

• Experience developing for Linux and working with Git and Docker.

• Strong debugging skills and the ability to work independently in an evolving R&D environment.

Nice to have

• Experience with radar, robotics, sensor systems or hardware–software integration.

• Familiarity with Tokio, Axum, Boost.Asio, gRPC, Protocol Buffers or ZeroMQ.

• Experience with geospatial interfaces, WebGL/Canvas or Qt/QML.

• Knowledge of profiling, CI/CD, CMake or time-series data storage.

What we offer

Direct ownership of technical decisions and a visible impact on the product. Work with a multidisciplinary R&D team on real-time sensor applications where software performance, reliability and usability matter.

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