MUST HAVE EXPERIENCE with DeFi / DEX / Trading Infrastructure.
About Us
We’re building a decentralized platform that merges non-custodial trading with crypto-native prediction markets, delivering an advanced, censorship-resistant experience. Built on a high-performance blockchain, the platform is engineered for speed, security, and transparency.
As we move toward public beta, we’re looking for a Senior Backend Developer with deep experience in DeFi and DEX infrastructure to help scale and secure our core systems.
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Role Summary
You’ll be responsible for designing and implementing backend systems that power the platform — from low-latency order matching to real-time market data pipelines. You'll work closely with product leads, smart contract engineers, and frontend devs to ensure seamless, secure interactions across the stack.
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Responsibilities
- Design and implement high-performance backend services for trading, settlement, and market creation
- Develop scalable APIs (REST/GraphQL) for frontend consumption
- Integrate and monitor smart contract interactions, including order lifecycle management
- Build data ingestion and indexing pipelines from on-chain and off-chain sources
- Maintain backend reliability with proper observability, logging, and error handling
- Optimize backend logic for latency, throughput, and uptime
- Collaborate with the broader team on product and feature iterations
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Requirements
- 5+ years of software engineering experience, with at least 2 in Web3 or DeFi
- Strong proficiency in Node.js (or similar backend frameworks)
- Experience building and maintaining GraphQL and REST APIs
- Deep understanding of EVM-based smart contract interaction, wallet connectivity, and event decoding
- Comfortable with PostgreSQL, Redis, and message queue systems (e.g., Kafka or RabbitMQ)
- Familiarity with DeFi mechanics: liquidity pools, swaps, order books, slippage, etc.
- Solid grasp of backend security, rate-limiting, and access control in Web3 contexts
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Nice to Have
- Experience with real-time order books, WebSocket infrastructure, or low-latency trading systems
- Knowledge of indexing services like The Graph or custom indexers
- Exposure to off-chain oracles, MEV mitigation, or cross-chain communication
- Contributions to open-source Web3 or DeFi infrastructure
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What We Offer
- A fast-paced and product-driven environment
- Remote-first work with global team collaboration
- The chance to help shape the backend foundation of decentralized trading and prediction markets
- Competitive Salary
Listed in: Crypto Jobs, Developer Crypto Jobs, Web3 Crypto Jobs, Trading Crypto Jobs, Remote Crypto Jobs, DeFi Web3 Jobs, Dex Web3 Jobs, Full Time Web3 Jobs, Senior Crypto Jobs.