Software Engineer | Propr.xyz
AI Summary
Back-end engineer responsible for designing and implementing trading-domain services, owning features end-to-end from schema to UI integration, and contributing to real-time infrastructure and client-facing APIs.
About this role
Propr.xyz is building a new Operating System for prop firms, helping them leverage blockchain technology to make them more efficient. We enable prop firms to leverage perpetual futures on Hyperliquid, prediction markets, and spot assets. We are actively deploying our technologies to the largest prop firms in the world. The pace is intense, but the journey is exciting. We only hire A-players. You need to be exceptional.
Responsibilities
Requirements
- 5+ years production backend experience.
- Strong TypeScript or other strongly typed language background.
- Experience with trading systems, financial infrastructure, or exchange adjacent domains.
- Distributed system and transaction knowledge.
- Modern Node.js backend framework (NestJS preferred; Spring / FastAPI / similar acceptable).
- SQL and a production ORM (preferably TypeORM).
- Arbitrary precision decimal arithmetic in financial contexts.
- Integration first testing discipline.
- Able to ship React / Next.js features to completion.
Bonus
- Event sourcing experience.
- Crypto exchange experience.
- Direct experience with major exchange APIs (REST + WebSocket).
- AWS (ECS, Aurora, ElastiCache etc.), Terraform.
- Monorepo tooling (Turborepo, Nx).
- KYC / compliance workflows.
- Crypto native.
How to apply
We ask candidates to submit their application via a POST request to our API. This helps us identify candidates who read job descriptions carefully and have basic technical skills.
{
"roleSlug": "software-engineer",
"name": "Your Name",
"email": "your@email.com",
"link": "https://github.com/yourprofile",
"coverNote": "Why Propr?",
"exceptionalNote": "What makes you exceptional?",
"telegramHandle": "@yourhandle",
"appUid": "optional-trading-terminal-uid"
}