Mern Full Stack Developer

Kardee; Zone 7 Ambattur; On-site; INR 2,800,000 - 5,200,000; Full time

Job summary

Kardee is seeking a Senior Full Stack Developer / Technical Architect (MERN) to lead end-to-end technical decision making in Chennai. You will drive product architecture, collaborate with design and product teams, and guide a developing engineering group toward delivery excellence.

The role combines hands-on MERN development with strategic architecture, team leadership, and mentoring. Contract to 12 months with potential extension; strong communication and stakeholder alignment are essential.

Qualifications

• Proven experience in MERN stack with strong architectural skills.
• Ability to convert product requirements into technical designs and user flows.
• Experience leading engineering teams and delivering on timelines.

Responsibilities

• Design scalable MERN-based architectures with security in mind.
• Lead frontend via React.js, Zustand/Redux, Hooks, Next.js and backend with Node.js/Express.js.
• Architect REST APIs and microservices using Nest.js and related stacks.
• Guide architecture decisions, perform code reviews, and mentor engineers.
• Collaborate with product/UI/UX teams to translate requirements into architecture.

Skills

React.js

Node.js

Express.js

Nest.js

MongoDB

REST APIs

Tools

Docker

Kubernetes

AWS

Job description

Job Title - Senior Full Stack Developer / Technical Architect (MERN)

Experience - 4+ Years

Location - Chennai (Ambattur Industrial Estate)

Employment Type - Contract (12 months with extention)

Job Description -

We are looking for an experienced Senior Full Stack Developer (MERN Stack) who also brings strong Technical Architect expertise, product design understanding, and proven teamhandling experience. This role drives endtoend technical decisionmaking, leads engineering teams, collaborates on product strategy, and ensures delivery excellence.

Roles and Responsibilities

Technical Architecture & Solution Engineering

• Design scalable and secure MERNbased architectures.
• Build responsive frontend applications using React.js, Zustand/Redux, Hooks, Next.js.
• Develop REST APIs and microservices using Nest js, Node.js, Express.js.
• Lead system design discussions and create architecture diagrams.
• Choose the right frameworks, libraries, and tools as per project needs.
• Ensure architectural consistency across services and components.
• Review and optimize database schemas, indexing, and performance.
• Manage MongoDB data models, aggregations, performance tuning.
• Implement best practices for security, code quality, CI/CD, versioning.
• Write reusable, modular, and clean code.

Product Design & User Experience Collaboration

• Convert product requirements into technical designs and user flows.
• Collaborate closely with UI/UX and product teams during concept and design phases.
• Participate in usability reviews, wireframe discussions, and prototype evaluations.
• Provide technical feasibility checks during product design.

Team Leadership & Delivery Ownership

• Lead and mentor a team of 412 developers across frontend and backend.
• Conduct code reviews, design walkthroughs, and technical coaching.
• Own sprint planning, estimations, workload management, and delivery timelines.
• Ensure alignment between engineering and product priorities.
• Foster a culture of innovation, continuous learning, and teamwork.

Senior / Lead Level Expectations

• Act as the technical owner for one or more products or modules.
• Drive architectural decisions and maintain longterm technical roadmaps.
• Identify and mitigate technical risks early in the development cycle.
• Guide junior and midlevel developers with structured mentorship plans.
• Conduct highlevel code refactoring, performance improvements, and architectural upgrades.
• Lead crossteam communication involving product, QA, and stakeholders.

ArchitectLevel Expectations

• Define enterpriselevel architecture patterns and best practices for MERN and microservices.
• Oversee scalable infrastructure design across environments (Dev, QA, Prod).
• Evaluate new technologies and create POCs for architectural advancement.
• Maintain governance on security, performance, and engineering standards.
• Collaborate with leadership on product direction, budgeting, and resource planning.
• Influence long-term product and technology vision.

Required Skills - Technical Skills

• Strong handson expertise in React.js, Node.js, Express.js, Nest.js MongoDB.
• Strong knowledge of JavaScript (ES6+), TypeScript, REST APIs.
• Experience with microservices architecture.
• Experience with cloud deployments (AWS).
• Experience with Docker, Kubernetes, containerization pipelines.
• Working principle of CI/CD using GitHub Actions, Jenkins, or similar.
• Strong debugging, performance tuning, and problemsolving skills.

Leadership & Behavioral Skills

• Strong leadership qualities with experience leading engineering teams.
• Excellent communication and ability to collaborate with crossfunctional teams.
• Ability to balance technical depth with business requirements.
• Ownership mindset with focus on delivery, quality, and scalability.

Preferred Qualifications

• 4- 12 years of overall experience in fullstack development.
• 3+ years of experience in architecting or leading teams.
• Prior experience in product companies or fastpaced startup environments - preferrable.

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