Software Development Engineer I

AiSensy; Gurugram District; On-site; INR 600,000 - 1,000,000; Full time

Job summary

Qualifications

• Bachelor's degree in Computer Science or related field.
• 1–2 years of professional software development experience.
• Hands-on experience with MERN stack (MongoDB, Express.js, React.js, Node.js).
• Good understanding of HTML5, CSS3, and responsive web development.
• Familiarity with building and consuming REST APIs.
• Solid grasp of OOP, data structures, and algorithms.
• Git and version control workflows familiarity.

Responsibilities

• Develop, test, and maintain web applications and backend services.
• Build new features under guidance of senior engineers.
• Write clean, maintainable code and document it.

Skills

MERN Stack

REST APIs

OOP & Algorithms

HTML/CSS

Problem Solving

Team Collaboration

Git

Education

Bachelor's degree in Computer Science

Tools

MongoDB

Express.js

React.js

Node.js

Git

Job description

AiSensy is a WhatsApp-based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco, Wipro, Asian Paints, India Today Group, Skullcandy, Vivo, PhysicsWallah, and Cosco grow their revenues through WhatsApp.

• 210,000+ businesses use AiSensy for WhatsApp engagement and marketing.
• 800+ crore WhatsApp messages are exchanged annually through the platform.
• Trusted by leading brands including Delhi Transport Corporation, Vivo, PhysicsWallah, and many more.
• Businesses generate 25–80% of their revenue using AiSensy's platform.
• Backed by Marsshot.vc, Bluelotus.vc, and 50+ angel investors.

About the Role

We are looking for a Software Development Engineer I (SDE-1) to join our engineering team and help build scalable, reliable, and high-quality software.

As an SDE-1, you will work closely with experienced engineers, product managers, and designers to develop new features, fix bugs, improve product performance, and contribute to building a world-class engineering organization. This role is ideal for engineers who have strong programming fundamentals, enjoy solving challenging problems, and are eager to learn modern software engineering practices.

Key Responsibilities

• Develop, test, and maintain web applications and backend services.
• Build new product features under the guidance of senior engineers.
• Write clean, maintainable, and well-documented code following engineering best practices.
• Collaborate with Product, Design, QA, and Engineering teams to deliver high-quality software.
• Participate in code reviews and continuously improve code quality.
• Debug, troubleshoot, and resolve software defects and production issues.
• Write unit and integration tests to ensure software reliability.
• Learn and follow software architecture, coding standards, and development processes.
• Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives.
• Continuously improve technical skills by learning new technologies, tools, and engineering best practices.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 1–2 years of professional software development experience.
• Hands-on experience with the MERN Stack (MongoDB, Express.js, React.js, Node.js).
• Good understanding of HTML5, CSS3, and responsive web development.
• Familiarity with building and consuming REST APIs.
• Good understanding of Object-Oriented Programming (OOP), Data Structures, and Algorithms.
• Basic understanding of database concepts and MongoDB.
• Familiarity with Git and version control workflows.
• Strong analytical, debugging, and problem-solving skills.
• Good communication and collaboration skills.
• Passion for learning and building scalable software.

Preferred Qualifications

• Hands-on experience with MongoDB and the complete MERN stack
• Familiarity with both frontend and backend development
• Basic understanding of CI/CD pipelines.
• Exposure to Redis, messaging queues, or microservices is a plus.
• Experience working with Agile development methodologies.

What Success Looks Like

• Deliver assigned features and bug fixes on time with high code quality.
• Learn quickly and continuously improve technical skills.
• Write maintainable, testable, and reliable code.
• Collaborate effectively with engineers and cross-functional teams.
• Take ownership of assigned tasks and demonstrate a strong learning mindset.
• Contribute positively to the engineering culture through curiosity, collaboration, and continuous improvement.