# Senior Backend Developer (Node.js)

> Weekday AI · Bengaluru, India · Full-time · Posted 2026-07-21

**Salary:** INR 2,500,000–3,200,000

**Workplace:** on_site

**Department:** Weekday's Client via platform

## Description

**This role is for one of the Weekday's clients**

**Salary range: Rs 2500000 - Rs 3200000 (ie INR 25-32 LPA)**

Min Experience: 4+ years

Location: Bengaluru, Karnataka, India

JobType: full-time

We are looking for a **Senior Backend Developer** who is passionate about designing and building scalable, secure, and high-performance backend systems. This role offers the opportunity to develop core product capabilities that power applications used by a global user base. You will play a key role in architecting backend services, optimizing system performance, and driving technical excellence across the engineering team.

The ideal candidate has strong backend engineering experience with **Node.js**, modern database technologies, microservices architecture, and cloud platforms. You should enjoy solving complex engineering challenges, building systems from the ground up, and working in a fast-paced product environment.

## Requirements

### Key Responsibilities

### Backend Development

-   Design, develop, and maintain scalable, secure, and high-performance backend services and RESTful APIs.
-   Build core platform modules and backend components that support mission-critical product functionality.
-   Develop reusable, maintainable, and well-tested code following engineering best practices.
-   Collaborate with frontend, product, and QA teams to deliver high-quality software.

### System Architecture & Scalability

-   Design scalable backend architectures capable of handling high traffic, low-latency requests, and real-time workloads.
-   Build and maintain microservices-based applications with strong focus on reliability and performance.
-   Improve application scalability through efficient architecture, caching, and asynchronous processing.
-   Evaluate and implement appropriate design patterns and architectural best practices.

### Database Engineering

-   Design and optimize database schemas for both relational and NoSQL databases.
-   Improve query performance through indexing, optimization, and efficient data modeling.
-   Manage data consistency, scalability, and high availability across distributed systems.
-   Work with databases such as MySQL, PostgreSQL, MongoDB, Redis, or similar technologies.

### Cloud & Integrations

-   Deploy, monitor, and maintain backend services on cloud infrastructure.
-   Develop integrations with third-party services such as payment gateways, communication platforms, authentication providers, and external APIs.
-   Build and maintain CI/CD pipelines to support reliable software delivery.
-   Monitor application health, troubleshoot production issues, and optimize system performance.

### Technical Leadership

-   Participate in system design discussions and architectural decision-making.
-   Conduct code reviews and maintain high engineering standards.
-   Mentor junior developers and promote backend development best practices.
-   Create technical documentation and contribute to continuous improvement initiatives.

### Required Qualifications

-   Bachelor's degree in Computer Science, Engineering, or a related field.
-   4+ years of professional backend software development experience.
-   Strong expertise in **Node.js** using frameworks such as Express.js or NestJS.
-   Solid understanding of JavaScript and/or TypeScript.
-   Experience building scalable backend systems and microservices from scratch.
-   Strong knowledge of Object-Oriented Programming (OOP), Design Patterns, Data Structures, and Algorithms.
-   Experience working with SQL and NoSQL databases.
-   Hands-on experience with cloud platforms, preferably AWS.
-   Experience building RESTful APIs and integrating third-party services.
-   Familiarity with CI/CD pipelines, version control, and modern software development practices.
-   Excellent debugging, analytical, and problem-solving skills.
-   Strong communication and collaboration abilities.

### Preferred Qualifications

-   Experience in product-based organizations or fast-paced startup environments.
-   Exposure to distributed systems, event-driven architectures, and real-time applications.
-   Experience with Docker, Kubernetes, or containerized deployments.
-   Knowledge of caching technologies such as Redis.
-   Familiarity with monitoring, observability, and performance optimization tools.

### Must-Have Skills

-   Node.js
-   SQL
-   Express.js / NestJS
-   JavaScript / TypeScript
-   Microservices
-   REST APIs
-   AWS
-   Backend Development
-   System Design
-   Database Design

### Good-to-Have Skills

-   MongoDB
-   PostgreSQL
-   MySQL
-   Redis
-   Docker
-   Kubernetes
-   CI/CD
-   Distributed Systems
-   Performance Optimization
-   API Integrations

## Apply

[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/6F43932E6F/apply)

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