DePIN Backend Engineer

Our client in the DePIN space is seeking a Senior Backend Engineer to design, build, and optimize scalable distributed systems in a cutting-edge technical environment. You'll work with Node.js, TypeScript, and NestJS, focusing on real-time data processing, event-driven architectures, and high-performance APIs. This role offers the opportunity to shape the backend infrastructure of a forward-thinking company while collaborating closely with an elite engineering team. Key Responsibilities Design, develop, and maintain scalable backend services using Node.js and NestJS. Architect and optimize microservices to handle high-volume data ingestion and processing. Implement and manage database schemas, migrations, and optimizations for PostgreSQL. Develop and maintain real-time event-driven architectures using Kafka and RabbitMQ. Enhance system monitoring, logging, and observability using tools like Prometheus and Sentry. Optimize system performance through caching strategies (Redis) and database tuning. Ensure best practices in security, testing (Jest), and CI/CD (GitHub Actions). Collaborate with cross-functional teams to improve system design and scalability. Write clean, maintainable code and participate in code reviews and architecture discussions. Required Skills & Experience Strong backend development expertise with modern languages and frameworks (experience with Node.js, TypeScript, and NestJS is a plus). Proficiency in relational databases and caching strategies, with knowledge of PostgreSQL, Redis, or similar technologies. Experience designing event-driven architectures using message brokers (such as Kafka or RabbitMQ). Familiarity with containerization and orchestration, including Docker (Kubernetes experience is a bonus). Understanding of monitoring, logging, and observability best practices (tools like Prometheus or Sentry are beneficial). Experience with CI/CD workflows and automation pipelines (such as GitHub Actions or equivalent solutions). Strong grasp of security best practices, performance optimization, and scalable distributed systems.