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Responsibilities
* Design and implement scalable backend services using Node.js, TypeScript (NestJS), and Python.
* Architect and integrate Web3 functionalities throughout the 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
* Strong experience with Node.js, TypeScript (NestJS), PostgreSQL, AWS, and Redis.
* Experience with containerization and orchestration using Kubernetes (K8s).
* Experience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE), etc.
* Familiarity with IPFS and distributed storage systems.
* Experience with ethers.js and Web3 libraries for blockchain interaction.
* Experience with microservices architecture.
* Strong understanding of database design and optimization.
* Knowledge of security best practices and performance optimization.
* Experience with automated testing and CI/CD pipelines.
* Go development experience is a plus.
* Experience with monitoring and observability tools such as Prometheus and Grafana is a plus.
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.
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Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.
Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.