Swissborg
Software Engineer | Propr.xyz
engineeringfull-timeRemote - Europe Timezone
SALARY
Not listed
WORK TYPE
remote
JOB TYPE
full-time
INDUSTRY
crypto
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About the role
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 workflow experience.
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