About the company
We founded Ostium with a simple mission: Anyone with a digital wallet should be able to trade stocks, commodities, currencies, and crypto in one place, with full transparency. This started in a hacker house, running arbitrage on offshore CFD brokers - until they froze our accounts and withheld our deposits. We learned the hard truth: their terms meant nothing. The Market We're Going After. CFDs are the world’s largest retail derivatives market - over $10T monthly volume across every major asset class - but they're built on black-box execution, custodial discretion, and antiquated tech. We’re turning that system on its head. Ostium is building a decentralized perpetuals protocol for real-world markets, with onchain transparency replacing blind trust. Spreads, liquidations, and collateral are visible to everyone. No brokers. No freezes. No hidden spreads.
Job Summary
Responsibilities
đź“ŤArchitect event-driven microservices capable of processing high-volume trade data with minimal latency using Node.js, TypeScript (NestJS) and GoLang. đź“ŤArchitect and integrate web3 functionalities throughout our tech stack đź“ŤDesign and implement caching solutions using Redis to optimize application performance đź“ŤDesign type-safe API schemas (REST/GraphQL) and manage efficient data payloads for client consumption đź“ŤEnsure high performance, reliability, and security across all system components đź“ŤCollaborate with the team on technical architecture decisions and implementation strategies đź“ŤWork closely with product and design teams to implement new features đź“ŤContribute to technical documentation and engineering best practices
Requirements
đź“ŤStrong experience with Node.js, TypeScript (NestJS), PostgreSQL, and Redis in a production environment đź“ŤExperience with containerization and orchestration using Kubernetes (K8s) đź“ŤExperience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE) đź“ŤFamiliarity with IPFS and distributed storage systems đź“ŤExperience with ethers.js and web3 libraries for interacting with EVM chains đź“ŤExperience with microservices architecture đź“ŤStrong understanding of database design and optimization đź“ŤKnowledge of security best practices and performance optimization đź“ŤExperience with automated testing and CI/CD pipelines đź“ŤGo development experience is a plus
If you’re passionate about blockchain and decentralized technologies, explore more opportunities in web3 and cryptocurrency careers.
