Senior Backend Engineer

MLabs

6h • $150,000 - $200,000 • Remote

About The Position

Our client is an industry-leading DeFi organization building the next generation of trading infrastructure. Operating as the largest builder-code product on a major decentralized exchange protocol, the company has processed over $65B in cumulative trading volume and generated eight-figure revenue over the past year. With a user base exceeding 400,000 registered traders, the platform is at the forefront of democratizing access to global financial markets across crypto, equities, and commodities.

The organization operates as a lean, highly technical team of individual contributors who prioritize autonomy, ownership, and rapid execution. This environment is designed for a Senior Backend Engineer who thrives in 0-to-1 environments and is capable of building ambitious systems from the ground up. This role is central to scaling trading interfaces that manage billions of dollars in daily volume while maintaining high-speed, intuitive user experiences.

Requirements

• 5+ years of production backend engineering experience, preferably with a strong command of TypeScript.
• Proven expertise in WebSockets, event streaming, and pub/sub architectures.
• Deep familiarity with PostgreSQL and Redis; experience with ClickHouse or similar columnar databases is highly preferred.
• A track record of operating high-availability services at significant scale.
• A solid understanding of core trading concepts, including orders, fills, order books, positions, and execution logic.
• Strong debugging skills with experience in performance profiling, slow query optimization, and resolving memory leaks.

Nice To Haves

• 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.

Responsibilities

• System Architecture: Own and drive architectural decisions for the client’s backend systems to ensure scalability and reliability.
• Data Pipelines: Build and operate high-performance, real-time data pipelines for order book updates, trade executions, and market events.
• API Management: Design and maintain the API layer (utilizing GraphQL and WebSockets) to serve high-traffic web and mobile clients.
• Database Optimization: Work extensively with ClickHouse, PostgreSQL, and Redis to manage and query high-volume trading data efficiently.
• Performance Monitoring: Instrument services with comprehensive metrics and alerting systems; participate in on-call rotations to ensure 24/7 system availability.
• Technical Troubleshooting: Debug complex latency issues, memory management problems, and system reliability concerns under heavy load.
• Cross-Functional Collaboration: Partner with frontend and mobile engineers to ensure analytical data is served effectively via API.

Benefits

• A competitive salary ranging from $150,000 to $200,000 USD, plus equity.
• A dedicated stipend for an ideal remote workspace, including laptop, peripherals, and necessary gear.
• Multiple in-person team offsites and coworking sessions hosted worldwide.
• A flexible vacation policy that genuinely encourages time off for recovery and inspiration.
• A dedicated learning and development budget to support continuous mastery of the craft.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed