Senior Backend Software Engineer

3 days ago


Kolkata, West Bengal, India beBeeBackend Full time US$ 1,20,000 - US$ 1,45,000

Job Overview:

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We are seeking an experienced software engineer to join our team as a senior backend developer.

The successful candidate will design, develop, and maintain high-performance RESTful APIs using Node.js and MongoDB.

A key focus of this role is to optimize backend performance for handling large data volumes and high-traffic production environments.

Other responsibilities include developing and maintaining multi-tenant architectures ensuring data policies, security, scalability, and efficiency.

In addition, the candidate will work with DevOps to ensure scalability, reliability, and security of backend systems.

Collaboration with frontend teams and product development teams to ensure seamless API integrations and deployments is also required.

This position involves working on complex problems requiring strong analytical skills and ability to troubleshoot issues in real-time.

The ideal candidate should have experience in building and maintaining large-scale eSIM lifecycle management, user onboarding, secure payment systems, and scalable deployments.

A bachelor's degree in computer science or related field is required. In addition, relevant certifications such as AWS Certified Developer - Associate can be advantageous.

Key Requirements:

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  • Bachelor's degree in computer science or related field
  • 7+ years of experience in backend development with Node.js and MongoDB
  • Strong understanding of microservices architecture and system design principles
  • Experience in building and maintaining multi-tenant SaaS applications
  • Proven experience handling large-scale data and high-traffic production systems
  • Proficiency in MongoDB, including schema design, indexing strategies, and performance optimization
  • Experience with event-driven architecture and messaging queues (e.g., AWS SQS, RabbitMQ, Kafka)
  • Knowledge of authentication and authorization mechanisms (JWT, AWS Cognito, SSO)
  • Strong experience with API development best practices, security, and rate limiting
  • Familiarity with containerization (Docker, Kubernetes) and CI/CD pipelines
  • Proficiency in cloud services (AWS, GCP, or Azure) for backend infrastructure

Preferred Skills:

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  • Experience with Redis, ElasticSearch, or other caching mechanisms
  • Knowledge of serverless architectures and cloud-native development
  • Exposure to REST / gRPC for API communication
  • Understanding of data streaming and real-time processing
  • Experience with NoSQL and relational database hybrid architectures
  • Familiarity with observability tools (Prometheus, Grafana, ELK Stack)
  • Experience in automated testing for backend systems

Benefits:

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This role offers a competitive salary and benefits package, including comprehensive health insurance, generous paid time off, and opportunities for professional growth and development.

Additionally, our company provides a collaborative and inclusive work environment, with regular team-building activities and social events.

As a valued member of our team, you will have access to ongoing training and education opportunities to help you stay up-to-date with industry trends and technologies.



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