SDE-3 — Backend Engineer Location: Mumbai (preferred) / Remote, India Employment Type: Full time Experience: 6–10 Years About the Role We are looking for a Senior Backend Engineer (SDE-3) to own the design, scalability, and reliability of Pepper's backend systems. You will operate at the intersection of engineering depth and product thinking — leading architecture decisions, building AI-native backend infrastructure, and mentoring a growing engineering team. This role is for someone who thinks in systems, not just services, and who treats agentic AI patterns as a natural part of modern backend design. Key Responsibilities Design and own backend systems and services that are scalable, secure, and highly available Lead technical architecture decisions — service decomposition, data modelling, API design, and system reliability Build and operate AI-native backend infrastructure — LLM orchestration layers, agentic pipelines, RAG systems, tool-use frameworks, and evaluation loops Define and enforce backend engineering standards, code quality practices,



and security patterns Collaborate with product, frontend, and data teams to deliver complex, cross-functional features Own performance at scale — query optimisation, caching strategies, infrastructure bottlenecks Drive incident response, root cause analysis, and reliability improvements Mentor SDE-1 and SDE-2 engineers, grow technical depth across the team Must-Have Skills Expert-level Node.js backend development — services, APIs, event-driven architecture TypeScript — strong typing across backend services and shared libraries Deep experience with MySQL, PostgreSQL, and Redis — schema design, query optimisation, indexing, caching REST APIs and microservices architecture — design patterns, versioning, contract testing Solid understanding of system design — distributed systems, consistency, fault tolerance, scalability Experience with message queues and async processing (Kafka, RabbitMQ, BullMQ or equivalent) CI/CD pipelines,

📌 SDE 3 (Backend) (Maharashtra)
🏢 Pepper
📍 Maharashtra