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Harsh Bali

Backend Engineer | Building Real-Time & Event-Driven Systems | Node.js, Redis, WebSockets

Delhi

3+ years of work experience

Idea Usher
May 20251 yr 1 moPresent

• Owned and scaled event-driven backend services using Node.js, Redis, and WebSockets. • Optimized WebSocket-based architectures, reducing P95 latency from ~15s to <1s. • Designed high-throughput async pipelines using Redis and BullMQ. • Built real-time data streaming and live P&L updates using Redis Streams. • Owned CI/CD pipelines and backend release workflows.
Sartia Global
Apr 20241 yr 1 moApr 2025

Noida, Uttar Pradesh, India

• Built and optimized backend services using Node.js and REST APIs. • Improved response times by ~40% through query and logic optimizations. • Worked with PostgreSQL, MySQL, and MongoDB for production systems. • Supported production releases and backend debugging.
Faction IT Solutions
Apr 20231 yr 1 moApr 2024

India

Education

Chhatrapati Shahu Ji Maharaj University

Bachelor of Technology - BTech, Computer Science

Chhatrapati Shahu Ji Maharaj University

20204 yrs2024

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Headline

Backend Engineer | Building Real-Time & Event-Driven Systems | Node.js, Redis, WebSockets

About

Backend engineer working on real-time, event-driven systems with a focus on performance, scalability, and reliability. I have 3+ years of experience building and operating backend services using Node.js, Redis, WebSockets, and SQL/NoSQL databases. My work includes designing async job pipelines, optimizing low-latency real-time systems, and supporting production systems handling concurrent workloads. At Idea Usher, I’ve worked on optimizing WebSocket-based architectures, reducing end-to-end latency by an order of magnitude, building Redis-backed async pipelines, and owning CI/CD workflows to improve release stability. Outside of work, I actively build system-level backend projects such as real-time trading engines, distributed job processors, and event-driven services. I enjoy reasoning about system design trade-offs, failure handling, and performance bottlenecks. Currently exploring backend roles at product-focused teams where I can work on high-impact systems at scale.

Location

Delhi

Work experience

Backend Engineer at Idea Usher, May 2025 - Present · 1 yr 1 mo, • Owned and scaled event-driven backend services using Node.js, Redis, and WebSockets. • Optimized WebSocket-based architectures, reducing P95 latency from ~15s to <1s. • Designed high-throughput async pipelines using Redis and BullMQ. • Built real-time data streaming and live P&L updates using Redis Streams. • Owned CI/CD pipelines and backend release workflows.

Backend Engineer at Sartia Global, Apr 2024 - Apr 2025 · 1 yr 1 mo, Noida, Uttar Pradesh, India, • Built and optimized backend services using Node.js and REST APIs. • Improved response times by ~40% through query and logic optimizations. • Worked with PostgreSQL, MySQL, and MongoDB for production systems. • Supported production releases and backend debugging.

Full Stack Developer at Faction IT Solutions, Apr 2023 - Apr 2024 · 1 yr 1 mo, India

Education

Bachelor of Technology - BTech, Computer Science, Chhatrapati Shahu Ji Maharaj University

Harsh Bali - Backend Engineer in Delhi | Tal