Software Engineer | Propr.xyz

SwissBorg

⌖ United KingdomSalary not providedRemoteNot specified · Full-time

Location & working arrangement

Working arrangement is supplied by the provider. Check the original advert for attendance and travel requirements.

Provider location / applicant eligibility: Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czechia, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Gibraltar, Greece, Guernsey, Holy See (Vatican City State), Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Ukraine, United Kingdom, Åland Islands

About the 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 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 Request body: { "roleSlug": "software-engineer", "name": "Your Name", "email": "", "link": "", "coverNote": "Why Propr?", "exceptionalNote": "What makes you exceptional?", "telegramHandle": "@yourhandle", "appUid": "optional-trading-terminal-uid"} Originally posted on Himalayas

Skills mentioned in the listing

Know your customerTypeScriptSQLReactNode.jsAWSTerraform

Recognised skills are extracted from the supplied description using canonical names and aliases. They are mentions, not verified essential requirements. Check the source advert for the employer’s full requirements and location restrictions.

Why these skills appear

Know your customer · mentioned
(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

TypeScript · requirement-context
al dependencies. Requirements 5+ years production backend experience. Strong TypeScript or other strongly typed language background. Experience with trading systems, financial infrastructure, or exchange adjacent dom

SQL · desirable
s 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 dis

React · desirable
tic 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 exchan

Node.js · desirable
change 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). Arbitr

AWS · requirement-context
ge 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 appl

Terraform · mentioned
h 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