Key skills
Backend systemsLow-latency backendReact 18TypeScriptFutures tradingCrypto tradingDay tradingScalpingSpec-driven developmentAI agent collaborationReal-time market dataWebSocket streamingOrder booksLevel 2 market depthProduct specification writingUX decision makingEnglish fluencyRustAIReact
About this role
Railsware is building a Trading Terminal designed for prop firms and traders. They are seeking a Senior Full-Stack Engineer who is also an active trader, responsible for developing and improving trading tools and visualizations.
Responsibilities:
- Building real-time market data pipelines (Level 2 data, order book reconstruction)
- Developing order flow visualizations (footprints, heatmaps, DOM, profiles, CVD)
- Improving the trading interface (charts, DOM, tape, order panel working together)
- Preparing live data features for partnerships with prop firms
- Integrating with market data providers
Requirements:
- 5+ years of engineering experience
- Comfortable across backend systems, including low-latency backend
- Experience with modern frontend frameworks ( React 18+ / TypeScript)
- Active trader: futures or crypto, day trading or scalping
- Spec-driven, AI-orchestrated development: you plan deeply and know how to work with AI agents effectively
- Experience with real-time market data: WebSocket streaming, order books, Level 2 depth
- Ability to produce your own product specs
- Ability to make UX decisions based on the UX guide and input from a UX advisor
- Fluent English (written and spoken)
- Rust (we use Rust/Axum)
- Experience with high-performance browser rendering (e.g. WebAssembly, ImGui, egui)
- Familiarity with trading tools like footprint charts, DOM/ladder, heatmaps, market/volume profile, CVD