Sr. backend developer

1 week ago

Anantapur, India Telna Full time

About Company: Glowingbud is a rapidly growing e SIM services platform that simplifies connectivity with powerful APIs, robust B2 B and B2 C interfaces, and seamless integrations with Telna. Our platform enables global e SIM lifecycle management, user onboarding, secure payment systems, and scalable deployments. Recently acquired by Telna ( we are expanding our product offerings and team to meet increasing demand and innovation goals.Key Responsibilities:API Development: Design, develop, optimize, and maintain high-performance RESTful APIs using Node.js and Mongo DB.Scalability & Performance: Optimize backend performance for handling large data volumes and high-traffic production environments.Multi-Tenant Saa S: Develop and maintain multi-tenant architectures ensuring data policies, security, scalability, and efficiency.Microservices Architecture: Design and implement microservices-based solutions, ensuring modularity and maintainability.Database Management: Proficiently manage and optimize Mongo DB, including indexing, aggregation, and performance tuning.System Engineering: Work with Dev Ops to ensure scalability, reliability, and security of backend systems.Product Development: Collaborate with product teams to build long-term, scalable backend solutions.Code Quality & Security: Write clean, maintainable, and secure code following industry best practices. Enforce coding standards, conduct detailed code reviews.Monitoring & Debugging: Implement logging, monitoring, and debugging tools to ensure system reliability.Collaboration: Work closely with frontend teams and Dev Ops to ensure seamless API integrations and deployments.Qualifications:7+ years of experience in backend development with Node.js and Mongo DB.Strong understanding of microservices architecture and system design principles.Experience in building and maintaining multi-tenant Saa S applications.Proven experience handling large-scale data and high-traffic production systems.Proficiency in Mongo DB, including schema design, indexing strategies, and performance optimization.Experience with event-driven architecture and messaging queues (e.g., AWS SQS, Rabbit MQ, 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:Experience with Redis, Elastic Search, or other caching mechanisms.Knowledge of serverless architectures and cloud-native development.Exposure to REST / g RPC for API communication.Understanding of data streaming and real-time processing.Experience with No SQL and relational database hybrid architectures.Familiarity with observability tools (Prometheus, Grafana, ELK Stack).Experience in automated testing for backend systems.

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