REMOTE (INDIA): Backend Engineer- SaaS platform
At Marrina Decisions · India
- Engineering
- Full-time
Where you can work from
Open to India
“India”
From the location.
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- Posted
- 17 August 2026
- First seen by us
- 15 October 2026
- Last checked
- 17 hours ago
Job description
From Marrina Decisions’s job post, as they wrote it.
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.
Read the full description
* 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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