Full Stack Senior MERN Dev (Back-End)

Dentsu

5 - 7 years

Pune

Posted: 01/05/2025

Job Description

About the Role:
Join our dynamic team as a Senior Full Stack MERN Back-End Developer, where you'll drive the development of our core backend systems and micro services layer using Server-side JavaScript. You'll be pivotal in building scalable, performant, and data-driven applications using NEST.js, Express.js, GraphQL, and Azure Cloud, while also collaborating on the React.js front-end. We're looking for a seasoned developer with a deep understanding of backend architecture, API design, and cloud infrastructure, who can lead and contribute to complex projects.

Job Description:

Experience: 5-7 Years of Professional Software Development

Key Responsibilities:

  • NEST.js for Server-side JavaScript - Micro Services and APIs
    • Expertise in NEST.js for Server-side JavaScript APIs and Micro Services development
    • Best Practices in design and build of Controllers, Services and Modules using NEST.js
    • Strong experience with using TypeScript and JavaScript for all server-side development
    • Experience with patterns such as Interceptors and Middleware
  • GraphQL API Mastery:
    • Develop develop, and optimize high-performance GraphQL APIs using Apollo GraphQL or WunderGraph Cosmos.
    • Design efficient schemas, resolvers, and data fetching strategies to ensure optimal performance and responsiveness.
    • Implement advanced GraphQL features like subscriptions, defer/stream, and federation where applicable.
  • Backend Engineering Leadership:
    • Design and implement robust, scalable, and secure backend services using Express.js and Node.js.
    • Focus on building RESTful and GraphQL APIs that serve as the backbone of our applications.
    • Optimize backend performance, scalability, and reliability.
  • Azure Cloud Expertise (Backend-Centric):
    • Utilize Azure Cloud services, particularly Azure Functions, Azure Cosmos DB, and Azure App Service, to build and deploy backend services.
    • Design and implement serverless architectures for scalable and cost-effective solutions.
    • Optimize cloud resource utilization and implement best practices for security and reliability.
  • Data Management & Integration:
    • Design and manage data models and database schemas, with a focus on NoSQL databases and potentially relational databases.
    • Implement data integration strategies between various systems and services.
  • API Documentation & Governance:
    • Create and maintain comprehensive API documentation using Swagger/OpenAPI and GraphQL schema documentation.
    • Establish and enforce API design standards and best practices.
  • Performance Tuning & Monitoring:
    • Proactively monitor backend and API performance, identify bottlenecks, and implement optimizations.
    • Utilize logging, monitoring, and tracing tools to diagnose and resolve production issues.
  • CI/CD & DevSecOps (Backend Emphasis):
    • Develop and maintain robust CI/CD pipelines for backend services, focusing on automated testing and deployment.
    • Integrate DevSecOps practices to ensure secure and compliant backend deployments.
  • Collaboration & Architectural Contribution:
    • Participate in architectural discussions, contributing to the design and evolution of scalable backend architectures.
    • Collaborate with front-end developers to ensure seamless integration between front-end and back-end systems.
  • Front End Collaboration:
    • Work in collaboration with front end developers to ensure proper data flow between front and backend.
    • Understand the needs of the front end and provide them with the proper data structures and api calls.

Must-Have Skills:

  • NEST.js Expertise: Experience with NEST.js for server-side JavaScript and Micro Service / API development
  • GraphQL Experience: Expert-level knowledge of GraphQL, including schema design, resolvers, and performance optimization.
  • Backend Development Expertise: Deep proficiency in Express.js, Node.js, and backend architecture.
  • Azure Cloud (Backend Focus): Extensive experience with Azure Functions, Azure Cosmos DB, and Azure App Service.
  • API Design & Development: Strong understanding of RESTful and GraphQL API design principles.
  • Database Expertise: Proficiency in NoSQL databases (e.g., MongoDB, Cosmos DB) and understanding of relational databases.
  • TypeScript & JavaScript: Advanced coding skills in TypeScript and JavaScript.
  • CI/CD & DevSecOps: Practical experience implementing and managing CI/CD pipelines and DevSecOps practices.
  • Performance Optimization: Proven ability to diagnose and resolve performance issues.
  • Testing: Strong Understanding of unit and integration testing.

Good to Have Skills:

  • Azure Serverless Technologies Expertise.
  • Experience with Large Language Model (LLM) API Integration.
  • Python Programming Proficiency.
  • Experience with Relational Databases (PostgreSQL, MySQL).
  • Experience in Creative Production Platforms.

Who You Are:

  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • 5+ years of hands-on backend and API development experience.
  • Strong understanding of computer science fundamentals.
  • Excellent problem-solving and analytical skills.
  • Ability to translate business requirements into technical solutions.
  • Strong communication skills.
  • Team player.

Location:

DGS India - Pune - Kharadi EON Free Zone

Brand:

Dentsu Creative

Time Type:

Full time

Contract Type:

Permanent

About Company

Dentsu is a global advertising and digital marketing agency headquartered in Tokyo, Japan. It is part of the Dentsu Group Inc., one of the largest advertising and communications groups in the world. Dentsu specializes in providing integrated marketing solutions, including digital marketing, media planning, content creation, data analytics, public relations, and customer experience management. The company operates across numerous industries and markets, serving clients with innovative strategies to drive brand growth and engagement. With a strong focus on technology and creativity, Dentsu aims to deliver impactful, data-driven campaigns tailored to modern consumer behavior.

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