Full Stack Engineer (Hybrid)

About AiSensy AiSensy is a WhatsApp-based Marketing & Engagement platform helping leading brands such as

Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco, Wipro, Asian Paints, India Today Group, Skullcandy, Vivo, PhysicsWallah, and Cosco

drive revenue through WhatsApp.

Empowering

210,000+ businesses

with WhatsApp engagement & marketing 800+ crore WhatsApp messages

exchanged annually via the AiSensy platform Businesses drive

25–80% of their revenue

using AiSensy A

mission-driven, growth-stage startup

backed by

Marsshot.vc, Bluelotus.vc, and 50+ angel investors

Role Overview We are looking for an experienced

Full Stack Engineer

to build scalable systems capable of handling millions of messages daily.

Work Mode Location:

Gurugram Mode:

Hybrid

Key Responsibilities

Build and ship end-to-end product features across frontend (dashboard) and backend (APIs/services) with high quality and speed. Develop scalable backend services for core workflows such as messaging, automation journeys, segmentation, templates, and analytics. Design clean, versioned APIs (REST/GraphQL) with strong authentication/authorization (RBAC) and data access controls. Build responsive, intuitive UI screens/components with attention to UX, edge cases, and performance. Own data modeling and persistence for features (schemas, indexing, query optimization) across SQL/NoSQL stores. Implement background processing using queues/workers/cron (retries, idempotency, rate limiting, failure handling). Ensure reliability and observability: logging, metrics, alerts, dashboards, and post-release monitoring. Write tests (unit/integration/e2e where applicable) and maintain strong code review standards. Debug production issues, perform root-cause analysis, and ship preventative fixes (runbooks, automation, guardrails). Collaborate closely with Product, Design, QA, and Support to refine requirements and deliver predictable releases. Participate in sprint planning, estimation, and continuous improvement of engineering processes. Contribute to improving platform performance, security posture, and developer velocity (refactoring, tooling, documentation).

Qualifications & Skills

Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred) 3+ years of overall experience

as a software engineer Strong expertise in the

MERN stack (MongoDB, Express.js, React, Node.js) Excellent command of

JavaScript

and modern JS frameworks Experience with

HTML5, CSS3

, and responsive front-end design Strong understanding of

Agile/Scrum

development methodologies Hands-on experience with

RESTful APIs Solid knowledge of

MongoDB database design and management Familiarity with

AWS or other cloud platforms Experience with

Git

and version control best practices Knowledge of

Docker and Kubernetes

is a strong plus Strong problem-solving, analytical, and communication skills Ability to collaborate effectively in a

hybrid work environment