Full-time

About the Role

We re looking for a Backend Engineer to design and ship the services that power our AI products. You ll work closely with cross-functional teams across geographies to build scalable, reliable backends everything from API design to data modeling to cloud deployment. If you enjoy solving real customer problems and want exposure to applied AI engineering, this role is for you.

What You ll Do
Design, build, and maintain backend services and APIs in Node.js / TypeScript
Model and query data across both PostgreSQL (relational) and DynamoDB (NoSQL), choosing the right tool for each use case
Deploy and operate services on AWS (Lambda, ECS, API Gateway, S3, etc.)
Integrate with internal services and third-party APIs, including AI / LLM-based components
Write clean, well-tested code and participate in code reviews
Collaborate with frontend, ML, and product teams to ship features end-to-end
Debug production issues, optimize performance, and make pragmatic trade-offs that don t pile up technical debt

Must-Haves
4+ years of skilled software development experience
Strong fundamentals in computer science (data structures, algorithms, system design)
Solid hands-on experience with Node.js and TypeScript
Production experience with at least one Node.js framework (Express,



or NestJS)
Experience designing and integrating REST APIs (familiarity with GraphQL or gRPC is a plus)
Working knowledge of both relational (PostgreSQL) and NoSQL (DynamoDB or similar) databases, including schema design and query optimization
Experience deploying and running services on AWS
Familiarity with ORMs (Prisma, TypeORM, Sequelize) and routing libraries
Comfortable working in quick-paced, pragmatic settings and collaborating with distributed teams

Nice-to-Haves
Experience working on AI / ML / LLM-based products prompt engineering, RAG pipelines, vector databases, model integration, or agent frameworks
AWS certifications, or deeper experience with services like Bedrock, SageMaker, Step Functions, or EventBridge
Experience with serverless architectures
Experience with Google Cloud (especially Cloud Functions) or multi-cloud setups
Exposure to CI/CD, infrastructure-as-code (Terraform, CDK), and observability tooling

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Backend Engineer West Bengal
🏢 Entiovi
📍 West Bengal