Job Description: Job Description: Backend Engineer Tech Stack: NestJS | Node.js | TypeScript | Prisma ORM | PostgreSQL | Redis | Microsoft Azure | Docker Total Exp : 6 - 8 Years Notice Period : Immediate Joiners Work Timings : 06.00 P.M. to 03.00 A.M Role Overview We are looking for a Backend Engineer with strong experience in NestJS, Node.js, TypeScript, and PostgreSQL to build scalable, secure, and high-performance backend systems. The ideal candidate should have a solid understanding of backend architecture, API design, database optimization, caching, asynchronous processing, cloud services, and production reliability. Key Responsibilities Design, develop, and maintain scalable backend services and REST APIs using NestJS, Node.js, and TypeScript. Build modular backend architectures using NestJS modules, controllers, services, dependency injection, guards, interceptors, and middleware. Design and optimize database schemas, queries, relationships, indexes, and transactions using PostgreSQL and Prisma ORM. Implement request validation, centralized error handling, consistent API responses, and API documentation using Swagger/OpenAPI. Develop secure authentication and authorization mechanisms, including JWT, RBAC, and permission-based access control. Implement caching strategies using Redis and asynchronous processing using messaging queues and background jobs. Integrate third-party APIs and external systems, handling authentication, rate limits, retries, timeouts, and failures. Optimize API performance, database access, resource utilization, and application scalability. Containerize applications using Docker and deploy backend services using Microsoft Azure. Implement structured logging, monitoring, distributed tracing, health checks, and other observability practices. Write automated tests, participate in code reviews, troubleshoot production issues, and maintain technical documentation. Collaborate with frontend engineers and other stakeholders to define API contracts and deliver end-to-end features. Required Skills Core Technologies and Architecture Strong proficiency in Node.js, TypeScript, and modern JavaScript. Hands-on experience with NestJS is mandatory, including modules, dependency injection, guards, interceptors, pipes, and exception filters. Strong understanding of REST API design, asynchronous programming, modular architecture, SOLID principles, and clean code practices. Database and Caching Hands-on experience with PostgreSQL, Prisma ORM, schema design, migrations, transactions, indexing, and query optimization. Experience with Redis for caching, TTL management, cache invalidation, and performance optimization. Understanding of database consistency, connection pooling, and efficient data-access patterns. API Development and Security Experience implementing DTOs, request validation, centralized error handling, and consistent API contracts. Familiarity with class-validator, class-transformer, and Swagger/OpenAPI. Understanding of authentication, authorization, JWT, OAuth 2.0, RBAC, API security, rate limiting, and secure secrets management. Experience handling pagination, filtering, API versioning, retries, and backward compatibility. Cloud, Messaging, and Integrations Experience with Microsoft Azure or equivalent cloud platforms, with the ability to work with Azure services in production. Familiarity with Azure App Service, Azure Container Apps, Azure Database for PostgreSQL, Azure Service Bus, Azure Key Vault, and Azure Cache for Redis. Understanding of messaging queues, background jobs, event-driven architecture, retries, and failure recovery. Experience integrating third-party APIs and handling asynchronous workflows. Performance and Engineering Practices Understanding of Node.js performance, concurrency, caching, database optimization, and scalability. Familiarity with structured logging, metrics, distributed tracing, health checks, and monitoring tools such as Application Insights or OpenTelemetry. Hands-on experience with Docker, Git, CI/CD, and automated testing using Jest or equivalent tools. Experience writing unit and integration tests and debugging application issues across development and production environments. Preferred Qualifications Experience with microservices, event-driven architecture, domain-driven design, and clean architecture. Familiarity with advanced messaging patterns, idempotency, dead-letter queues, and distributed system reliability. Experience with GraphQL, webhooks, WebSockets, API gateways, or enterprise system integrations. Familiarity with Kubernetes, infrastructure as code, and Azure Functions. Experience building enterprise applications, SaaS platforms, multi-tenant systems, and role-based access control. Experience with AI-assisted development tools such as Claude Code for implementation, debugging, refactoring, and testing, with the ability to review and validate generated code. Familiarity with monorepos, shared libraries, and CI/CD workflows. Ideal Candidate Strong problem-solving, analytical, and debugging skills. Writes clean, modular, secure, maintainable, and strongly typed code. Understands the reasoning behind architectural, database, and performance decisions. Takes ownership of features from design and development through testing and deployment. Communicates effectively and collaborates with frontend engineers, architects, and cross-functional teams. Experience: Mid-level to Senior, depending on technical depth and demonstrated ownership. Core Stack: NestJS, Node.js, TypeScript, Prisma ORM, PostgreSQL, Redis, REST APIs, Microsoft Azure, Docker, Git. Location: DGS India - Bengaluru - Manyata N1 Block Brand: Merkle Time Type: Full time Contract Type: Permanent Can’t find a suitable job? Sign up for job alerts tailored to your interests and be first in line for new opportunities. About dentsu For over 120 years, innovation has been a core tenet of our offering – exploring new ways to reach, engage and nurture relationships with audiences. Together we drive a multiplier effect for clients at a global scale, through the development of Integrated Growth Solutions that are underpinned by our promise to clients: innovating to impact. Be a force for good. Sustainability is a vital part of our business and an important area of focus for our clients. We’re leading the way – helping to build a more sustainable planet. Dream loud. In this moment of transformation, we need our people to be fearless, embracing change and ambiguity, driven by the love for their work and excitement for the future. Team without limits. We create opportunities for connection and collaboration between our colleagues and clients, building a sense of belonging and having some fun along the way. Find out more about us Who we are Our Social Impact Our work

Backend Engineer - (NestJS, Node.js, TypeScript, Prisma ORM).

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