REMOTE (INDIA): Backend Engineer- SaaS platform

ShowMeLeads Inc; India; Remote; INR 1,000,000 - 1,500,000; Full time

Job summary

A leading technology company in India is seeking a skilled backend developer to maintain and enhance their SaaS platform. The role involves optimizing APIs, ensuring uptime, and implementing security best practices. The ideal candidate has 3–5 years of experience in backend development, particularly with Node.js and TypeScript, and familiarity with AWS services. A strong understanding of database optimization and microservices architecture is essential. Join us to work on innovative solutions in a dynamic environment.

Qualifications

• 3–5 years of experience in backend development.
• Prior experience in SaaS applications or high-traffic APIs is preferred.

Responsibilities

• Maintain and enhance backend services for the SaaS platform.
• Ensure uptime and performance of APIs.
• Optimize MongoDB queries for performance.
• Implement security best practices.

Skills

Node.js with TypeScript

MongoDB

Redis

AWS services

Docker

JWT/OAuth2

Logging & monitoring

Unit testing

Tools

Express.js

NestJS

BullMQ

CI/CD (GitHub Actions)

Job description

Responsibilities

• Maintain and enhance the backend services powering the SaaS platform (Node.js/Express/NestJS with TypeScript).
• Ensure uptime, scalability, and performance of APIs handling campaign generation, template storage, and credit-based billing.
• Optimize MongoDB queries, indexes, and caching strategies for high-performance APIs.
• Implement and manage Redis, job queues, and async workflows.
• Monitor and maintain AWS infrastructure: EC2, S3, CloudWatch, Lambda, SES.
• Implement security best practices: API authentication, rate-limiting, GDPR compliance, email data handling.
• Maintain API versioning and documentation (OpenAPI/Swagger).
• Write unit and integration tests to ensure code quality and reliability.
• Debug and resolve complex production issues efficiently.

Required Skills

• Strong proficiency in Node.js with TypeScript (Express.js or NestJS).
• Experience with MongoDB, schema design, and ORMs (Mongoose, Prisma).
• Experience with Redis (pub/sub, caching) and job queues (BullMQ/RabbitMQ).
• Familiarity with AWS services: EC2, S3, CloudWatch, SES, Lambda.
• Dockerized microservices and CI/CD pipelines (GitHub Actions, or similar).
• Knowledge of authentication & authorization (JWT, OAuth2, role-based access).
• Basic logging & monitoring experience (Winston, Pino, Prometheus/Grafana).
• Unit & integration testing experience (Jest, Mocha, Vitest).
• Knowledge of email compliance tools (SpamAssassin, DKIM/SPF/DMARC) is a plus.

Experience

• 3–5 years in backend development.

Prior experience in SaaS applications, high-traffic APIs, or campaign/marketing platforms is preferred.