Senior Consultant Full Stack Developer (Technical Architect)

Lithy Tree Technology Services India; Thane; Hybrid; INR 300,000 - 700,000; Full time

Job summary

LithyTree Technology Services Pvt Ltd. in Thane, Maharashtra seeks a Senior Full Stack Developer with architect-level experience to design, build, and scale robust web applications.

You will own technical decisions end-to-end from system design to production deployment, working hands-on with the MERN-style stack and AWS cloud deployment. The role demands strong expertise in AWS, DevOps practices, and modern front-end frameworks.

Qualifications

• Hands-on with MERN-style stack and AWS cloud deployment
• Own technical decisions end-to-end from system design to production deployment
• Proven experience designing system architecture for scalable applications

Responsibilities

• Architect scalable, secure, and maintainable full stack solutions
• Design system architecture, data models, and API contracts for new and existing products
• Build and maintain backend services using Node.js (Express/NestJS)
• Design and optimize MongoDB schemas, indexes, and aggregation pipelines
• Develop responsive front-end applications using React/Angular/Vue
• Own AWS infrastructure: EC2, S3, Lambda, RDS/DynamoDB, API Gateway, CloudFront, IAM
• Set up and manage CI/CD pipelines (CodePipeline, Jenkins, GitHub Actions, GitLab CI)
• Implement containerization and orchestration (Docker, ECS/EKS/Kubernetes)
• Define and enforce coding standards, architecture guidelines, and best practices
• Conduct code reviews, mentor junior/mid-level developers
• Collaborate with product managers, designers, and stakeholders on technical feasibility
• Ensure application performance, security, scalability, and high availability
• Drive technical decisions on monolith vs microservices, caching strategy, and system integrations
• Troubleshoot production issues and lead root-cause analysis

Skills

System design

Cloud architecture

Full stack development

Mentor juniors

Ownership

Performance tuning

Security practices

Tools

Node.js

Express/NestJS

MongoDB

React/Angular/Vue

AWS

Docker

Kubernetes

Terraform/CloudFormation

CI/CD (CodePipeline/Jenkins/GitHub Actions/GitLab CI)

Job description

Job Summary

We are looking for a Senior Full Stack Developer with architect-level experience to design, build, and scale robust web applications. The ideal candidate is hands-on with the MERN-style stack (Node.js, MongoDB, React/Angular/Vue) and has strong expertise in AWS cloud deployment and DevOps practices. You will own technical decisions end-to-end from system design to production deployment.

Key Responsibilities

• Architect scalable, secure, and maintainable full stack solutions
• Design system architecture, data models, and API contracts for new and existing products
• Build and maintain backend services using Node.js (Express/NestJS)
• Design and optimize MongoDB schemas, indexes, and aggregation pipelines
• Develop responsive front-end applications using React / Angular / Vue (specify preference)
• Own AWS infrastructure: EC2, S3, Lambda, RDS/DynamoDB, API Gateway, CloudFront, IAM
• Set up and manage CI/CD pipelines (CodePipeline, Jenkins, GitHub Actions, GitLab CI)
• Implement containerization and orchestration (Docker, ECS/EKS/Kubernetes)
• Define and enforce coding standards, architecture guidelines, and best practices
• Conduct code reviews, mentor junior/mid-level developers
• Collaborate with product managers, designers, and stakeholders on technical feasibility
• Ensure application performance, security, scalability, and high availability
• Drive technical decisions on monolith vs microservices, caching strategy, and system integrations
• Troubleshoot production issues and lead root-cause analysis

Key Responsibilities

Backend

• Strong proficiency in Node.js, Express.js/NestJS
• RESTful API and/or GraphQL design and development
• Authentication/authorization (JWT, OAuth2, SSO)

Database

• Strong hands-on experience with MongoDB (schema design, aggregation, indexing, replication/sharding)
• Familiarity with a relational DB (PostgreSQL/MySQL) is a plus

Frontend

• Proficiency in at least one modern UI framework: React.js / Angular / Vue.js
• State management (Redux, Context API, NgRx, Vuex)
• Responsive design, HTML5, CSS3, TypeScript

Cloud & DevOps

• Strong experience with AWS services: EC2, S3, Lambda, RDS, DynamoDB, API Gateway, CloudWatch, IAM, VPC
• CI/CD pipeline setup and management
• Infrastructure as Code (Terraform / CloudFormation) preferred
• Docker & container orchestration (Kubernetes/ECS)
• Monitoring & logging tools (CloudWatch, ELK, Grafana)

Architecture

2026, LithyTree Technology Services Pvt Ltd. All Rights Reserved

• Proven experience designing system architecture for scalable applications
• Understanding of microservices, event-driven architecture, message queues (SQS/Kafka/RabbitMQ)
• Strong grasp of design patterns, SOLID principles, and system design fundamentals
• Experience with performance tuning, load balancing, and caching (Redis)

Good to Have

• Experience with serverless architecture
• Exposure to security best practices (OWASP, penetration testing basics)
• Prior experience as a Tech Lead / Architect in a product-based company
• Agile/Scrum experience

Soft Skills

• Strong problem-solving and analytical thinking
• Ability to communicate technical concepts to non-technical stakeholders
• Leadership and mentoring capability
• Ownership mindset with attention to detail