Back End Developer

1 week ago

bangalore district, India Eterna Labs Full time

About Eterna Labs Eterna is on a mission to build a best-in-class, low-latency trading interface for crypto markets engineered for next-generation performance. Founded by alumni of MIT, Harvard, and Yale, and backed by visionary investors like Naval Ravikant and Accomplice VC, we’re a deep-tech startup obsessed with speed, scalability, and reliability. Our flagship product, HyperFlash, delivers high-speed trading infrastructure for digital assets. It combines liquid staking, MEV optimization, and a low-latency trading terminal bringing the precision of traditional finance to crypto. HyperFlash empowers traders to earn more, move faster, and access on-chain markets with institutional-grade performance. Role Overview We’re looking for a Backend Engineer who thrives in fast-paced, high-performance environments. You’ll work closely with a small team of elite engineers to build, optimize, and scale backend systems that power high-frequency, real-time trading. You’ll get to ship production code daily, design systems that handle massive live data, and learn how a deep-tech startup scales from 0 → 1. Tech Stack Languages & Frameworks: TypeScript, Node.js, Express, Next.js Databases: PostgreSQL, MongoDB, Redis Messaging & Streaming: Kafka, SQS Infrastructure: AWS (ECS, Lambda, RDS, ElastiCache, S3, CloudFront, CloudWatch), Docker Testing & CI/CD: Jest, GitHub Actions Protocols: REST, GraphQL, WebSockets What You’ll Do Build and optimize low-latency indexers and data storage systems with high uptime. Architect and refine database schemas and storage formats for large-scale performance. Ingest and process massive real-time data streams at scale. Implement Redis caching for sub-second live data delivery. Design and develop REST/GraphQL APIs and backend services. Manage and monitor AWS infrastructure and CI/CD pipelines. Develop and maintain Kafka-based queues and WebSocket services. Optimize performance-critical paths and data aggregation layers. Integrate third-party services (e.g., wallet/KMS solutions). Build real-time notification and sniping systems for on-chain alerts. You’re a Great Fit If You Are: Resourceful - You figure things out and ship, no matter what. Fast learner - You pick up new tools, frameworks, and paradigms quickly. High ownership mindset - You take pride in your code and its impact. Performance-obsessed - You love optimizing systems for speed and scale. Curious and experimental - You’re comfortable breaking things to learn fast. Familiar with AI tools like Cursor, GPT, Claude, Gemini, and other emerging platforms. Excited to ship 7 days a week and work in a culture that values momentum over perfection.

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