Key Facts

Remote From:

Full time

Senior (5-10 years)

English

Hard Skills

Payment Processing Node.js (Javascript Library) TypeScript Finance JavaScript Libraries JavaScript Libraries Database Schema FastAPI SQL (Programming Language) Application Programming Interface (API) +13 more

Roles & Responsibilities

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

Requirements:

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

SwissBorg

Fintech: Finance + Technology

About SwissBorg

SwissBorg is democratising wealth management by making it fun, fair, and community-centric. Headquartered in Lausanne, Switzerland, SwissBorg has an international team of over 75 people and holds two licenses to provide Virtual Currency Exchange and Virtual Currency Wallets internationally. We believe that blockchain technology can empower everyone to control their wealth and that this is the next step towards a world of decentralised nations, where every individual is welcome and is fairly rewarded for their contributions. The Product: SwissBorg app Our flagship product, the Wealth App, allows users to securely exchange digital assets and invest with 18 fiat currencies, with the protection of MPC keyless technology. In the app, our revolutionary Smart Engine takes the guesswork out of investing. By connecting to Binance, HitBTC, LMAX, and Kraken exchanges, we get you the best liquidity and rates in a matter of seconds. The Multi-Utility SwissBorg Token (CHSB) The CHSB token is at the heart of our ecosystem, and offers the 5 following utilities: The Protect & Burn Mechanism: 20% of the revenues made on fees in the Wealth App are dedicated to protecting the price of our token. When the price arrives in a bearish zone, we automatically place buy orders. All purchased CHSBs are then burned in a transparent manner. Membership: Lock CHSB within the Wealth App allows users to exchange at the best price with zero fees and earn 2X the yield of standard users. Exclusive Access: Get access to future exclusive wealth management products in the app Voting Rights: Participate in shaping the future of SwissBorg during our referendums

Company type: Scaleup

Industry: Fintech: Finance + Technology

Founded: 2018

Company size: 201 - 500

Website LinkedIn See all jobs →

Job description

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": "your@email.com",
  "link": "https://github.com/yourprofile",
  "coverNote": "Why Propr?",
  "exceptionalNote": "What makes you exceptional?",
  "telegramHandle": "@yourhandle",
  "appUid": "optional-trading-terminal-uid"
}