About the job Senior Backend Engineer (AI Trading App)
A fast-moving crypto startup backed by leaders from Robinhood, Meta, and LinkedIn is hiring a Senior Backend Engineer to help build the next generation of decentralized trading infrastructure. This is a zero-to-one opportunity to join a founding team solving some of the most complex engineering problems in DeFi and trading.
The ideal candidate has a strong backend background, thrives with full ownership of mission-critical systems, and is eager to work on high-throughput, sub-second latency APIs powering the future of finance.
Responsibilities
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Build high-performance backend services for real-time trading systems and APIs
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Take full ownership of 01 projects from architecture to deployment
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Collaborate closely with engineering leads to set best practices and engineering culture
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Work on cutting-edge challenges like Solana transaction indexing, messaging between blockchains and distributed systems, or matching engine infrastructure
Tech Stack
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Golang
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Kafka, Clickhouse
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Docker, AWS, Terraform
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Prometheus, Grafana
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TypeScript / React (for collaboration with front-end team)
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Move / Solidity (bonus)
Example Engineering Problems
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Indexing millions of Solana transactions daily to support sub-second trading
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Designing real-time communication between blockchains and backend services
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Creating a matching engine with high performance + data reliability
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Building scalable wallet-sweeping systems at low cost
Ideal Profile
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Senior-level (IC5+); proven experience delivering production systems at scale
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Strong background in backend systems especially trading, infra, or distributed systems
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Crypto experience is a plus, not a must curiosity and execution matter more
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Obsessive about developer experience, code quality, and scalability
Why Join
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Competitive comp package: tokens (non-dilutive, early liquidity), equity, cash
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Work with an elite team whove scaled products to billions of users and revenue
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Solve truly novel technical challenges in a zero-to-one journey
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HQ is a converted loft in Williamsburg (Bedford L) feels more like home than an office
Team Culture
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Feedback-focused: fast, honest feedback is foundational to growth
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Speed-driven: iteration velocity is critical across engineering, product, and hiring
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High bar: from code to design to product, excellence is non-negotiable