Senior Backend Developer (Node.js TypeScript)

Senior Backend Developer (Node.js / TypeScript) Experience : 4–7 Years Employment Type: Full-time Location : Remote ABOUT THE ROLE We are looking for a highly skilled and experienced Senior Backend Developer to join our engineering team. The ideal candidate will have strong hands-on experience building scalable, secure, and high-performance backend systems using Node.js, TypeScript, and NestJS. You will be responsible for designing and developing backend services, APIs, databases, asynchronous processing systems, integrations, and production-ready solutions. You will work closely with product, frontend, QA, DevOps, and other engineering teams. KEY RESPONSIBILITIES • Design, develop, and maintain scalable backend applications using Node.js, TypeScript, and NestJS. • Build and maintain robust RESTful APIs and backend services. • Design efficient and scalable database schemas and queries using PostgreSQL. • Implement caching and high-performance data access using Redis. • Build asynchronous and event-driven systems using at least one messaging or queue technology such as Kafka, BullMQ, or RabbitMQ. • Design reliable background jobs, queues, retries, scheduled jobs, and failure-handling mechanisms. • Participate in system architecture, technical design, and scalability discussions. • Develop clean, reusable, maintainable, secure, and well-tested code. • Implement authentication, authorization, and role-based access control. • Integrate with third-party APIs and external services. • Troubleshoot production issues, perform root-cause analysis, and improve system reliability. • Participate in code reviews and maintain high engineering standards. • Collaborate with frontend, QA, product, and DevOps teams. • Mentor junior developers and provide technical guidance when required. • Take ownership of features from technical design through deployment and production support. REQUIRED SKILLS • 4–7 years of professional backend development experience. • Strong hands-on experience with Node.js. • Strong proficiency in TypeScript. • Hands-on experience with NestJS. • Strong experience with PostgreSQL, including database schema design, SQL, indexing, transactions, and query optimization. (Must Have) • Strong experience with Redis and practical knowledge of caching strategies. (Must Have) • Hands-on experience with at least one of the following: Apache Kafka, BullMQ, or RabbitMQ. (Must Have) • Experience with more than one of Kafka, BullMQ, or RabbitMQ is a strong advantage. • Strong understanding of RESTful API design, validation, error handling, API versioning, and documentation. • Experience with Swagger / OpenAPI. • Experience with ORM tools such as Prisma or TypeORM. • Good understanding of microservices architecture and distributed systems. • Knowledge of authentication and authorization using JWT, OAuth, RBAC, or similar mechanisms. • Strong understanding of application security and secure coding practices. • Experience with unit and integration testing, preferably using Jest. • Strong Git knowledge and familiarity with modern branching workflows. • Good debugging, analytical, and problem-solving skills. DEVOPS & CLOUD SKILLS • Good understanding of Docker and containerization. • Experience with CI/CD pipelines and automated deployments. • Hands-on familiarity with Microsoft Azure and cloud-based application deployment. • Understanding of production environments, logging, monitoring, alerting, and application observability. • Familiarity with Linux environments. • Knowledge of Nginx or similar reverse proxies is a plus. NICE TO HAVE • Experience with more than one messaging or queue technology among Kafka, BullMQ, and RabbitMQ. • Experience with Kubernetes. • Experience with Azure services such as Azure App Service, AKS, Azure Container Apps, Azure Database for PostgreSQL, Azure Blob Storage, Azure Service Bus, Azure Functions, and Azure Monitor. • Experience with Infrastructure-as-Code tools such as Terraform or Azure Bicep. • Experience with GraphQL. • Experience building multi-tenant SaaS applications. • Experience in healthcare, fintech, or other systems involving complex business workflows. • Experience working in Agile/Scrum environments. WHAT WE ARE LOOKING FOR We are looking for an engineer who goes beyond writing APIs and understands how backend systems behave in real-world production environments. The ideal candidate should be comfortable thinking about: • Scalability and performance as traffic and data grow. • Reliable processing of asynchronous jobs and events. • Duplicate messages, retries, idempotency, and failure recovery. • Database performance, transactions, locking, and concurrency. • When to use caching and how to keep cached data consistent. • Designing maintainable microservices and distributed systems. • Secure deployments and production reliability. If you are passionate about building scalable backend systems and enjoy solving complex engineering problems, we would love to hear from you.