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# Senior Software Engineer (Trading-Related Project)

- **Company:** Railsware Products Studio LLC
- **Location:** Pasadena, CA, United States
- **Experience:** Expert
- **Salary:** $91,969.0 - $110,758.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, C++ (Programming Language), Software as a Service, DevOps, TypeScript, WebSocket, ReactJS, Backend, Front End Software Development
- **Published:** May 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=b0b7355825152a25

## About the Role

Do you have experience in WebSocket?, * Required: 5+ years senior engineering - comfortable across low-latency backend and modern frontend (React 18+/TypeScript)

 * Active trading experience - futures or crypto, day or scalp. You've read the tape. You traded lots of terminals and know what's beautiful.
 * Spec-driven, AI-orchestrated development. You plan deeply, orchestrate agents.
 * Real-time market data - WebSocket streaming, order books, Level 2 depth
 * You produce your own product specs; UX decisions per the UX guide / UX advisor
 * Fluent written English
 * Nice to haves: Rust (our backend is Rust/Axum), or Go / C++
 * WebAssembly / native-quality browser rendering (Emscripten, dear imgui, egui) - ability to build cryexc / Bookmap-class browser tools
 * MBO data, footprint charts, DOM/ladder, orderbook + liquidation heatmaps, market profile, volume profile, CVD

## Description

* Small founding team: 2 co-founders + 1 engineer (we're hiring you as the 2nd) + part-time consultants on Product, DevOps, and Compliance + access to a senior Railsware Director who has shipped many products. We work **spec-driven** - planning before prompting, planning before coding.

Co-founders:

 * Engineering & Product Lead - Senior technologist with a proven track record of building and scaling widely adopted SaaS products, including prior involvement in the development of a globally recognized scheduling platform.
 * Markets & Distribution Lead - Experienced growth and distribution specialist with a substantial digital audience (multi-million subscriber base), and founder of a product operating in the trading and analytics space, demonstrating established market reach and user acquisition capabilities.

What we're building

 * TradeTerm is the audit-first replay platform that prop firms, Tradezella users, and serious futures traders have been missing. Bookmap-class orderflow UX, with audit + replay + execution as the wedge. Distribution is locked from day 1: Umar's 4M-sub launch channel + warm Tradezella audience - not "build for a year then maybe."

What you'll get

 * Real ownership. Spec * plan * build * ship. No ticket queue.
 * Skin in the game. Trade on the platform you build. Eat your own cooking.
 * AI-first, true team. You'll work with people who use AI as a research / planning / execution stack - not as a copilot. The kind of disciplined workflow most engineers spend years figuring out alone.
 * Market comp + broad geo. Cash comp at market rate. Hiring globally.
 * Fluid working style. We pair when it accelerates the work. We go async / deep when the work needs it. No ceremony - output > activity., * A senior full-stack engineer who is **also an active trader**.


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