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Software Engineer | Propr.xyz

3 months, 1 week ago
Europe
Full-time
Senior
Backend Engineer
Software Development
AWS Blockchain FastAPI NestJS Next.js Node.js React REST API Spring SQL Terraform TypeORM TypeScript WebSockets
Apply Now
SwissBorg

SwissBorg

SwissBorg revolutionizes asset management with Ethereum-powered Cyborg advisors and deep learning algorithms, offering a crypto wealth platform for buying, selling, and earning on 40+ digital assets and 16 fiats across 5 exchanges in one app.

Capital Markets
51-250
Founded 2017
$76M raised
View All Jobs 2

Description

  • Design and implement backend services across the trading domain.
  • Own features end to end, including schema design, API development, testing, and UI integration.
  • Contribute to real-time infrastructure and client-facing APIs.
  • Write integration tests against real dependencies.
  • Support delivery of React and Next.js features through to completion.

Requirements

  • 5+ years of production backend engineering experience.
  • Strong background in TypeScript or another strongly typed language.
  • Experience with trading systems, financial infrastructure, or exchange-adjacent domains.
  • Knowledge of distributed systems and transaction handling.
  • Experience with a modern Node.js backend framework; NestJS preferred, but Spring, FastAPI, or similar are acceptable.
  • Experience with SQL and a production ORM, preferably TypeORM.
  • Experience with arbitrary precision decimal arithmetic in financial contexts.
  • Strong integration-first testing discipline.
  • Ability to ship React and Next.js features to completion.
  • Event sourcing experience is a plus.
  • Crypto exchange experience is a plus.
  • Direct experience with major exchange APIs, including REST and WebSocket, is a plus.
  • Experience with AWS services such as ECS, Aurora, and ElastiCache, plus Terraform, is a plus.
  • Experience with monorepo tooling such as Turborepo or Nx is a plus.
  • Experience with KYC or compliance workflows is a plus.
  • Crypto-native background is a plus.

Interested in this position?

Apply directly on the company website

Apply Now

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