Key skills
AWSEC2JavaScriptJestMochaMongoDBNode.jsRabbitMQRedisTypeScriptExpressExpress.jsNestJSVitestIntegration TestingLambdaS3CloudWatchPub/SubPrismaMongooseJWTSwaggerOpenAPICachingSaaS
About this role
Role Overview
- 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
Requirements
- 3–5 years in backend development
- 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
- Knowledge of authentication & authorization (JWT, OAuth2, role-based access)
- Unit & integration testing experience (Jest, Mocha, Vitest)
Tech Stack
- AWS
- EC2
- JavaScript
- Jest
- Mocha
- MongoDB
- Node.js
- RabbitMQ
- Redis
- TypeScript