REMOTE (INDIA): Backend Engineer- SaaS platform
- LocationIndia, India, India
- Work typeRemote
- EmploymentFull-time
- Posted15 October 2026
- SourceMarrina Decisions's careers page (BambooHR)
About the role
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.
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