Key Responsibilities

Backend Ownership

Own the design, evolution, and reliability of mission-critical backend systems.
Ensure scalability, performance, maintainability, and overall system health.
Lead technical initiatives to address scaling challenges, technical debt, and architectural improvements.

System Design & Architecture

Drive both High-Level Design (HLD) and Low-Level Design (LLD).
Design scalable APIs, data models, service boundaries, and asynchronous workflows.
Make sound engineering trade-offs balancing delivery speed with long-term system health.

Code Quality & Engineering Excellence

Improve backend code quality through architecture reviews, code reviews, and refactoring.
Simplify complex codebases and establish maintainable engineering patterns.
Introduce best practices and guardrails to improve long-term maintainability.

Database & Performance Optimization

Optimize PostgreSQL performance through schema design, indexing, query optimization, and tuning.
Improve application performance using caching strategies and asynchronous processing.
Design and operate analytics pipelines using ClickHouse or similar large-scale data systems.
Work with messaging systems such as RabbitMQ or equivalent.

Technical Leadership

Mentor backend engineers on architecture, debugging, and engineering best practices.
Influence technical direction through thoughtful design discussions and strong technical reasoning.
Raise overall engineering standards across teams.

Production Ownership

Required Skills & Experience

Must Have

7+ years of backend engineering experience.
Strong expertise in Node.js.
Deep experience with PostgreSQL, including performance tuning and optimization.
Experience designing and operating distributed backend systems.
Strong understanding of system design, scalability, and microservices architecture.
Experience owning backend services end-to-end—from architecture to production support.
Strong debugging and problem-solving skills.
Experience improving code quality, maintainability, and engineering standards.

Good to Have

What We're Looking For

Engineering Mindset

Leadership Without Authority

Why Join Vahan

Unlimited Paid Time Off (PTO)
Comprehensive Medical Insurance
Monthly Wellness Leaves
Competitive Compensation
Opportunity to solve large-scale engineering challenges impacting millions of users
Ownership-driven engineering culture with significant technical autonomy
Work alongside exceptional engineers building products that create meaningful social impact

Skills:- NodeJS (Node.js), PostgreSQL, Performance tuning, Distributed Systems and Systems design

Senior Backend Engineer- SDE 3