REMOTE (INDIA): Backend Engineer- SaaS platform

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.

Skills
JavaScript, TypeScript, Node.js, Microservices, Git, RabbitMQ, AWS, CI/CD, MongoDB, Redis

Employment type
Full-Time

Work arrangement
Yes