Senior Backend Engineer (DeFi)

TL;DR

Senior Backend Engineer (DeFi): Building and optimizing high-performance backend systems for a decentralized exchange protocol with an accent on scalability, real-time data pipelines, and API management. Focus on architectural decisions, optimizing databases like ClickHouse, PostgreSQL, and Redis, and ensuring 24/7 system availability.

Location: Remote. Must be based in the US or Europe with solid overlap with EST.

Salary: $150,000–$200,000 USD, plus equity.

Company

hirify.global is an industry-leading DeFi organization building next-generation trading infrastructure on a major decentralized exchange protocol.

What you will do

• Drive architectural decisions for backend systems to ensure scalability and reliability.
• Build and operate high-performance, real-time data pipelines for trading events.
• Design and maintain GraphQL and WebSockets API layer for high-traffic clients.
• Optimize ClickHouse, PostgreSQL, and Redis for high-volume trading data.
• Instrument services with metrics and alerting; participate in on-call rotations.
• Debug complex latency, memory management, and reliability issues under heavy load.

Requirements

• 5+ years of production backend engineering experience, preferably with TypeScript.
• Expertise in WebSockets, event streaming, and pub/sub architectures.
• Deep familiarity with PostgreSQL and Redis; experience with ClickHouse preferred.
• Track record of operating high-availability services at significant scale.
• Solid understanding of core trading concepts (orders, fills, order books).
• Strong debugging skills including performance profiling and query optimization.

Nice to have

• Experience with Kafka or comparable streaming systems.
• Professional background in fintech, trading platforms, or low-latency applications.
• Familiarity with DeFi protocols or on-chain data structures.

Culture & Benefits

• Competitive salary and equity package.
• Dedicated stipend for remote workspace setup.
• Multiple in-person team offsites and coworking sessions worldwide.
• Flexible vacation policy encouraging time off.
• Dedicated learning and development budget.

Hiring process

• Initial Interview with Founder / CEO.
• Two rounds of technical interviews.
• Final interview with the leadership team.