TELNA

Senior Backend Developer
 We are seeking a Senior Backend Developer with 8 years of experience to develop and maintain high-performance APIs and scalable backend systems. The ideal candidate must have expertise in Node.js and MongoDB, experience in Multi-tenant SaaS applications, and a strong understanding of microservices architecture. Additionally, experience handling large-scale data and high-traffic production systems is crucial. This role requires close collaboration with frontend developers, DevOps, and product teams to build robust, scalable, and efficient backend solutions. 
Key Responsibilities:
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API Development: Design, develop, optimize, and maintain high-performance RESTful APIs using Node.js and MongoDB.
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Scalability &amp; Performance: Optimize backend performance for handling large data volumes and high-traffic production environments.
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Multi-Tenant SaaS: Develop and maintain multi-tenant architectures ensuring data policies, security, scalability, and efficiency.
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Microservices Architecture: Design and implement microservices-based solutions, ensuring modularity and maintainability.
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Database Management: Proficiently manage and optimize MongoDB, including indexing, aggregation, and performance tuning.
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System Engineering: Work with DevOps to ensure scalability, reliability, and security of backend systems.
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Product Development: Collaborate with product teams to build long-term, scalable backend solutions.
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Code Quality &amp; Security: Write clean, maintainable, and secure code following industry best practices. Enforce coding standards, conduct detailed code reviews.
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Monitoring &amp; Debugging: Implement logging, monitoring, and debugging tools to ensure system reliability.
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Collaboration: Work closely with frontend teams and DevOps to ensure seamless API integrations and deployments.
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Qualifications:
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8 years of experience in backend development with Node.js and MongoDB.
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Strong understanding of microservices architecture and system design principles.
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Experience in building and maintaining multi-tenant SaaS applications.
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Proven experience handling large-scale data and high-traffic production systems.
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Proficiency in MongoDB, including schema design, indexing strategies, and performance optimization.
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Experience with event-driven architecture and messaging queues (e.g., AWS SQS, RabbitMQ, Kafka).
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Knowledge of authentication and authorization mechanisms (JWT, AWS Cognito, SSO).
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Strong experience with API development best practices, security, and rate limiting.
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Familiarity with containerization (Docker, Kubernetes) and CI/CD pipelines.
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Proficiency in cloud services (AWS, GCP, or Azure) for backend infrastructure.
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Preferred Skills:
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Experience with Redis, ElasticSearch, or other caching mechanisms.
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Knowledge of serverless architectures and cloud-native development.
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Exposure to REST / gRPC for API communication.
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Understanding of data streaming and real-time processing.
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Experience with NoSQL and relational database hybrid architectures.
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Familiarity with observability tools (Prometheus, Grafana, ELK Stack).
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Experience in automated testing for backend systems.
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