Senior Backend Engineer (NodeJs) - Database Performance & Scalability

We’re a real startup, not a playground. Bootstrapped and fast-growing.

Our motto: Move fast, break things. Chatarmin to the moon.

We are built for e-commerce brands in the B2B SaaS space. High pace, high expectations, zero corporate nonsense. We're here to win and so should you be.

We are looking for a Senior Backend Engineer (Fast & scalable DB queries / Backend in every aspect) who’s ready to take ownership of the performance & reliability of our backend.

You should thrive under pressure, work autonomously, and have a hands-on attitude. Think like an athlete: disciplined, self-motivated, and pushing through when it gets tough.

• Optimize database performance for high-throughput, low-latency queries using indexing, sharding, and caching strategies.
• Optimize NodeJs Backend for Performance, Reliability and DI for tests
• Monitor and tune backend systems for performance, leveraging tools like Prometheus, Grafana, and APM solutions.
• Enhance data pipelines for real-time processing, integrating with databases like PostgreSQL / Supabase / SQLite
• Collaborate with AI and frontend teams to ensure seamless integration and high availability of backend services.

• 4+ years in backend engineering, with deep expertise in Node.js and database optimization.
• Proficiency in SQL/NoSQL databases (e.g., PostgreSQL, MongoDB, Redis) and query optimization techniques.
• Experience with how Database Systems work under the hood
• Strong knowledge of monitoring tools (Prometheus/Grafana) and performance profiling for backend systems.
• Excellent problem-solving skills and ability to work cross-functionally in fast-paced environments.

• Young, highly motivated team with zero ego
• Speed over politics: If you have an idea, run with it
• Direct impact on the company and the product
• Real growth opportunities - we promote from within. This is a place to build your career
• Earn what you’re worth: We offer good base pay + uncapped commissions. Your output defines your income

Interview Process

Initial Screening (20 min)

• Short call. Confirm background, experience with production systems, and ability to explain past work clearly.

Technical Interview (90 min)
Single, in-depth session covering:

• System Design — Design a backend for storing and retrieving high-volume messages. Discuss schema, indexing, caching, and scaling choices.
• Debugging & Performance — Given an EXPLAIN plan or log snippet, identify the bottleneck and propose a fix.
• Core Knowledge — Discuss event loop behavior, query optimization, connection pooling, and common failure modes in distributed systems.