Senior Backend Engineer - Database Design & Cloud Infrastructure

Experience: 6+ Years

Role Overview

We are looking for a Senior Backend Engineer with solid expertise in relational database design, SQL, and AWS RDS to build and manage the core data layer of our enterprise application. This role will primarily focus on database architecture, schema design, query optimization, migrations, and RDS infrastructure, along with supporting backend development in Node.js/TypeScript, GraphQL, AWS Lambda, and AWS CDK.

Key Responsibilities

- Design relational database schemas from scratch, including tables, relationships, constraints, indexes, and normalization.
- Write and optimize complex SQL queries, stored procedures, and views.
- Manage database migrations, schema versioning, and rollback strategies.
- Configure and manage Amazon RDS (PostgreSQL/MySQL), including backups, scaling, and multi-AZ setups.
- Implement RDS Proxy for connection management in serverless environments.
- Develop backend services using Node.js and TypeScript on AWS Lambda.
- Build and optimize GraphQL APIs using AWS AppSync.




- Define and maintain infrastructure using AWS CDK in TypeScript.
- Apply AWS security best practices, including IAM, VPC, and Secrets Manager.

Required Skills

- 6+ years of experience in SQL and relational database design
- Strong hands-on experience with PostgreSQL and/or MySQL
- Proven experience with AWS RDS
- 6+ years of backend development with Node.js and TypeScript
- Experience with GraphQL (AppSync or Apollo Server)
- Experience with AWS CDK
- Familiarity with DBeaver or similar database tools

Preferred Skills

- Experience with migration tools such as Flyway, Liquibase, Prisma Migrate, or TypeORM
- Familiarity with RDS Proxy
- Knowledge of data modeling patterns, audit trails, and multi-tenancy
- Experience with read replicas and query scaling
- Exposure to Postman or similar API testing tools

Key Focus

This role is primarily evaluated on database design, SQL expertise, and AWS RDS management. Skills in GraphQL, Lambda, and AWS CDK are important supporting capabilities.

📌 Senior Backend Engineer - Database Design & Cloud Infrastructure (Tamil Nadu)
🏢 Datamatics
📍 Tamil Nadu