Senior Full-Stack Engineer (Trading Platform)

We’re building a Trading Terminal — a platform for reviewing and replaying trades, designed for prop firms and traders. It combines order flow visualization with replay, audit, and execution in one system. The team is a small founding team including 2 co-founders and 1 engineer, plus part-time support in Product, DevOps, and Compliance, with access to a senior Railsware Director experienced in shipping many products.

• 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: plan deeply and work effectively with AI agents
• Experience with real-time market data: WebSocket streaming, order books, Level 2 depth
• Ability to produce own product specs
• Ability to make UX decisions based on UX guide and input from UX advisor
• Fluent English (written and spoken)

Nice to have:

• Rust (Rust/Axum)
• Experience with high-performance browser rendering (WebAssembly, ImGui, egui)
• Familiarity with trading tools like footprint charts, DOM/ladder, heatmaps, market/volume profile, CVD

• Build real-time market data pipelines (Level 2 data, order book reconstruction)
• Develop order flow visualizations (footprints, heatmaps, DOM, profiles, CVD)
• Improve the trading interface (charts, DOM, tape, order panel working together)
• Prepare live data features for partnerships with prop firms
• Integrate with market data providers
• Work across product, technology, and trading
• Produce own product specifications
• Make UX decisions based on UX guide and input from a UX advisor