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Back End Developer
Eterna Labschennai, tamil nadu, in14 hours ago
Job descriptionBuild 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. 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.
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
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Back End Developer • chennai, tamil nadu, in
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