Position: Tech Lead – MERN Stack, Cloud & Microservices

Job Location: Noida, Sector 126

Experience: 10+ Years

Employment Type: Full-Time

Work Mode: On-site (5 Days Office)

Job Overview:

We are seeking an experienced Technical Lead to drive the design, development, and delivery of scalable, cloud-native applications. The ideal candidate is a hands-on engineering leader with strong expertise in Node.js, React, AWS, and Microservices, capable of leading high-performing development teams while making key architectural decisions.

You will collaborate closely with Product Managers, UI/UX Designers, QA Engineers, and DevOps teams to build secure, reliable, and high-performance software solutions. This role combines technical leadership, solution architecture, and hands-on development while mentoring engineers and driving engineering excellence.

Key Responsibilities:

Technical Leadership

● Lead and mentor a team of software engineers, fostering a culture of collaboration,

innovation, and continuous improvement.

● Drive technical strategy, architecture, and engineering best practices across projects.

● Conduct code reviews and ensure adherence to coding standards, security, and quality guidelines.

● Guide technical decision-making and resolve complex engineering challenges.

● Collaborate with Product Managers to translate business requirements into scalable technical solutions.

● Participate in sprint planning, technical estimation, release planning, and backlog refinement.

● Identify technical risks, manage technical debt, and recommend long-term architectural improvements.

● Support production releases and participate in incident analysis and resolution when required.

System Design & Microservices

● Lead the design and architecture of scalable, secure, and highly available applications using modern software architecture principles.

● Drive High-Level Design (HLD) and Low-Level Design (LLD) discussions, ensuring alignment with business and technical objectives.

● Design, develop, and optimize Microservices, RESTful APIs, and event-driven architectures for enterprise-scale applications.

● Architect scalable asynchronous workflows and inter-service communication using messaging and event-streaming technologies.

● Define API standards, service contracts, and integration patterns to ensure interoperability and maintainability across distributed systems.

● Ensure system scalability, fault tolerance, resilience, observability, performance, and reliability through industry best practices.

● Evaluate and recommend architectural improvements,



technology choices, and design patterns to support long-term platform growth and engineering excellence.

Full-Stack Development

● Lead the design, development, and maintenance of enterprise-grade web applications using

Node.js, Express.js, React.js, Next.js, and TypeScript.

● Develop scalable backend services, RESTful APIs, and reusable frontend components following industry best practices.

● Optimize application performance, responsiveness, and security.

● Collaborate closely with Product Managers, UI/UX Designers, QA, and DevOps teams to deliver high-quality software solutions.

● Define and maintain API contracts, integration patterns, and coding standards to ensure seamless communication between frontend and backend systems.

● Conduct code reviews, mentor developers, and promote engineering best practices across the development team.

● Troubleshoot complex technical issues and drive continuous improvements in application architecture, performance, and maintainability.

Cloud & DevOps

● Design, architect, and deploy scalable, secure, and highly available applications on AWS using services such as EC2, S3, RDS, Lambda, API Gateway, ECS/EKS, VPC, IAM, and

CloudWatch.

● Collaborate with DevOps teams to design cloud-native infrastructure, deployment strategies,

and production environments.

● Implement and optimize CI/CD pipelines to enable reliable, automated, and efficient application deployments.

● Containerize applications using Docker and support orchestration using Kubernetes in collaboration with platform engineering teams.

● Contribute to Infrastructure as Code (IaC) initiatives using tools such as Terraform or AWS

CloudFormation.

● Drive cloud security, cost optimization, scalability, and performance best practices across

AWS environments.

● Monitor application and infrastructure health using CloudWatch, Prometheus, Grafana, and centralized logging solutions.

● Support production deployments, troubleshoot cloud infrastructure issues, and ensure high availability, disaster recovery, and operational excellence.

Database & Performance

● Design scalable data models using MongoDB and relational databases (MySQL or

PostgreSQL).





● Implement caching strategies using Redis.

● Optimize database performance, indexing, and query efficiency.

● Ensure application scalability and efficient resource utilization.

Required Skills:

● 10+ years of software engineering experience, including at least 3 years in a Technical Lead,

Lead Engineer, or Senior Engineering role.

● Strong expertise in Node.js, Express.js, React.js, Next.js, and TypeScript/JavaScript.

● Proven experience designing and building scalable Microservices, RESTful APIs, and distributed systems.

● Strong understanding of software architecture, design patterns, and High-Level/Low-Level

Design (HLD/LLD).

● Hands-on experience with AWS cloud services, cloud-native application development, and scalable infrastructure.

● Experience with Docker, containerization, and CI/CD pipelines; exposure to Kubernetes is preferred.

● Strong knowledge of MongoDB and relational databases such as MySQL or PostgreSQL.

● Experience with caching technologies such as Redis and performance optimization techniques.

● Solid understanding of application security, API security, OWASP best practices, and secure software development principles.

● Experience with event-driven architectures and messaging systems such as Kafka,

RabbitMQ, or AWS SQS/SNS.

● Proven experience conducting architecture reviews, code reviews, technical mentoring, and engineering governance.

● Strong analytical, problem-solving, communication, and stakeholder management skills.

● Experience working in Agile/Scrum environments with cross-functional teams.

Tech Stack:

● Frontend: React.js, Next.js (Preferred), TypeScript, Redux

● Backend: Node.js, Express.js, REST APIs, WebSockets

● Cloud: AWS (EC2, S3, RDS, Lambda, ECS/EKS, API Gateway, CloudWatch)

● Architecture: Microservices, Distributed Systems, Event-Driven Architecture

● Databases: MongoDB, MySQL/PostgreSQL, Redis

● DevOps: Docker, Kubernetes (Preferred), CI/CD, Terraform (Preferred)

● Messaging: Kafka, RabbitMQ, AWS SQS/SNS

● Monitoring: Prometheus, Grafana, CloudWatch

Valuable to Have:

● Experience with AI/LLM integrations, RAG, or Generative AI applications.

● Knowledge of WebRTC or real-time communication systems.

● Exposure to DevSecOps and cloud security best practices.

● Experience in AR/VR, gaming, immersive technologies, or streaming platforms.

● Experience working in Agile/Scrum environments.

Interested : Send your CV on [email protected] Or [email protected]

📌 Technical Lead (Noida)
🏢 Shadowcast India
📍 Noida