Software Development Engineer I

About AiSensyAiSensy 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 RoleWe 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 ResponsibilitiesDevelop, 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 QualificationsBachelor's degree in Computer Science, Engineering, or a related field.1–2 years of professional software development experience.Strong knowledge of JavaScript and modern programming concepts.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 QualificationsStrong experience in delivering backend-focused projectsHands-on experience with MongoDB and the complete MERN stackFamiliarity with both frontend and backend developmentBasic understanding of CI/CD pipelines.Exposure to Redis, messaging queues, or microservices is a plus.Experience working with Agile development methodologies.What Success Looks LikeDeliver 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.