Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.
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
- Design and implement backend services across the trading domain.
- Own features end to end: schema, API, tests, UI integration.
- Contribute to real time infrastructure and client facing APIs.
- Write integration tests against real dependencies.
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.
POST
https://propr.xyz/api/hiring/apply
Request body:
{
"roleSlug": "software-engineer",
"name": "Your Name",
"email": "[email protected]",
"link": "https://github.com/yourprofile",
"coverNote": "Why Propr?",
"exceptionalNote": "What makes you exceptional?",
"telegramHandle": "@yourhandle",
"appUid": "optional-trading-terminal-uid"
}What you need to know about the Dublin Tech Scene
From Bono and Oscar Wilde to today's tech leaders, Dublin has always attracted trailblazers, with more than 70,000 people working in the city's expanding digital sector. Continuing its legacy of drawing pioneers, the city is advancing rapidly. Ireland is now ranked as one of the top tech clusters in the region and the number one destination for digital companies, with the highest hiring intention of any region across all sectors.
