Senior Back End / Full Stack (Back end focused) Engineer
About Ostium
Ostium is the first perpetuals DEX engineered specifically for Real World Assets (RWAs). We build on the massive growth in on-chain perpetuals, bringing a first-of-kind twist through a focus on RWAs. Our platform enables trading of an entirely new set of assets previously unavailable on-chain — from gold & copper to wheat, oil, & forex pairs. Through trade execution at prices fed via Chainlink's Functions product, we're pioneering new frontiers in DeFi. Our team includes Harvard grads with experience at Bridgewater, IOI, IMO, and IPhO medalists, and lead engineers from prominent firms like Maple Finance and 21Shares.
Role
We're seeking a Senior Back End Engineer to join our dynamic team and help scale our platform. This role requires someone who can work across our entire tech stack, from frontend development to backend architecture, while maintaining a deep understanding of blockchain technology and DeFi systems.
Responsibilities
- Design and implement scalable backend services using Node.js and PostgreSQL
- Develop and maintain our frontend applications using React and TypeScript
- Architect and integrate web3 functionalities throughout our tech stack
- Design and implement caching solutions using Redis to optimize application performance
- Build and maintain API integrations between frontend and backend systems
- Ensure high performance, reliability, and security across all system components
- Collaborate with the team on technical architecture decisions and implementation strategies
- Work closely with product and design teams to implement new features
- Contribute to technical documentation and engineering best practices
Requirements
- 5+ years of full stack development experience with a focus on scalable applications
- Strong expertise in React, TypeScript, Node.js, and PostgreSQL
- Experience with web3 technologies and blockchain development
- Proficient in Redis or similar caching mechanisms
- Experience with RESTful APIs and microservices architecture
- Strong understanding of database design and optimization
- Experience with state management in complex frontend applications
- Knowledge of security best practices and performance optimization
- Experience with automated testing and CI/CD pipelines
Preferred Qualifications
- Previous experience in DeFi or trading platforms
- Experience with Subgraph integration and GraphQL
- Understanding of perpetuals trading and RWA markets
- Contributions to open-source projects
- Experience with high-frequency trading systems or real-time data processing
Benefits
- Competitive compensation package
- Opportunity to work with cutting-edge blockchain technology
- Collaborative environment with highly skilled team members
- Flexible work arrangements
- Health insurance and other comprehensive benefits
- Professional development opportunities
This role is perfect for someone who is passionate about DeFi, enjoys working across the full technical stack, and wants to be part of building the future of on-chain RWA trading. Interested candidates should submit their resume, GitHub profile, and any relevant project examples demonstrating their full-stack expertise.
