MEAN Stack Developer

Full stack Developer (Ref.ID: VRPL-FSD-Chn-0326)

No. of Positions: 2 Nos. Senior 1 No. Junior 1 No.

API Development & Architecture:

Design and develop scalable RESTful APIs using Node.js & TypeScript

Build modular, reusable, and clean backend architecture

Implement authentication & authorization (JWT / OAuth / Role-based access)

Ensure API security best practices

Write well-structured documentation (Swagger / Postman)

Real-Time Communication (Sockets):

Develop real-time features using WebSockets / Socket.io

Implement:

Live tracking

Real-time notifications

Status updates

Chat systems

Optimize socket performance and reconnection handling

Ensure scalability under concurrent user load

Database & Data Layer (PostgreSQL):

Design scalable and optimized database schemas

Write complex SQL queries & joins

Implement indexing & query optimization

Handle transactions and concurrency control

Work with ORMs like Prisma / TypeORM (preferred)

Maintain database security and backup strategies

Ensure data security and backups

Performance & Scalability:

Optimize API response times

Implement caching strategies (Redis preferred)

Design rate limiting and throttling mechanisms

Ensure system reliability & fault tolerance

Handle background jobs & queues

Deployment & DevOps Collaboration:

Deploy applications on AWS / GCP

Work with Docker containers

Implement CI/CD pipelines

Monitor logs & performance metrics

WhatsApp Business Integration:

Integrate WhatsApp Business API (Cloud / On-Premise)

Work with providers like Exotel / Twilio (preferred)

Implement Template messaging

OTP authentication

Notifications & alerts

Two-way communication

Manage webhook events and delivery tracking

Ensure compliance with WhatsApp policies

Required Skills:

Strong proficiency in Node.js

Hands-on experience with TypeScript

Strong experience in PostgreSQL

Experience building RESTful APIs

Experience with WebSockets / Socket.io

Good understanding of system design & architecture

Git version control

Knowledge of API security best practices

Preferred Skills:

Experience in real-time platforms (ride-hailing, delivery, chat systems)

Redis for caching

Message queues (Kafka / RabbitMQ / BullMQ)

Microservices architecture

Payment gateway integration

Cloud infrastructure knowledge

Soft Skills:

Strong analytical, problem-solving skills, and debugging skills

Startup mindset & ownership attitude

Ability to work in fast-paced startup environment and work independently

Good communication skills in all aspects

About the Role

We are looking for a highly skilled and experienced Senior React Native Developer with backend experience to join our team and lead the development of our cross-platform mobile application and its supporting backend services. You'll play a pivotal role in building, launching, and scaling a high-performance app that runs seamlessly on both iOS and Android — all from a single codebase — while also architecting and maintaining robust backend infrastructure in Node.js.

If you're passionate about mobile technologies, experienced in backend systems, and excited about building high-quality products from the ground up, we’d love to hear from you Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Build and maintain backend services and APIs using Node.js, ensuring scalability and performance.
• Collaborate with product managers, designers, and other engineers to deliver intuitive and seamless user experiences.
• Design and implement secure, reusable, and modular components (both frontend and backend).
• Optimize app and API performance across a wide range of devices and platforms.
• Ensure app and backend compliance with modern security, performance, and design standards.
• Set up and manage CI/CD pipelines for both frontend and backend (e.g., Fastlane, EAS, GitHub Actions).
• Integrate third-party APIs, services, analytics, push notifications, and more.
• Manage app store submissions and backend deployments.
• Mentor junior developers and contribute to establishing mobile and backend development best practices.

Requirements

Must-Have:

• 5+ years of experience in full-stack or mobile application development.
• 3+ years of hands-on experience with React Native.
• 2+ years of experience working with Node.js for backend development.
• Strong understanding of JavaScript (ES6+), TypeScript, and modern React architecture.
• Experience designing and integrating RESTful APIs, managing authentication, and handling network issues.
• Deep knowledge of mobile app development lifecycle for both iOS and Android.
• Familiarity with native build tools (Xcode, Android Studio).
• Solid grasp of mobile UI/UX principles and performance optimization techniques.
• Proficiency with Git, GitHub/GitLab, and agile workflows.
• Experience with features like push notifications, deep linking, in-app purchases, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Knowledge of CI/CD tools (Fastlane, Bitrise, GitHub Actions, etc.).
• Exposure to native modules (Objective-C/Swift and Java/Kotlin).
• Familiarity with automated testing frameworks (Jest, Detox, etc.).
• Experience publishing apps to the App Store and Google Play.
• Prior experience in startups or high-growth product environments.
• Working knowledge of databases (e.g., MongoDB, PostgreSQL) and cloud infrastructure (e.g., AWS, Firebase).

What We Offer

• Opportunity to lead and build a product end-to-end — frontend and backend.
• Work with a dynamic, high-performing team in a fast-paced, collaborative environment.
• Remote-first culture with flexible working hours.
• Competitive salary and equity options (if applicable).
• Dedicated learning and development budget to help you grow.

Desired Experience

3+ years

Job Description

What You’ll Do

• Design financial systems for scale. Measure, plan, iterate.
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Setup and own the engineering architectures built around event sourcing, application sharding, database sharding, service communication mesh, etc.
• The tech: Go, Google Cloud Spanner, Kafka, Redis

What you bring to the table

• 3+ years of experience. Relevant experience is preferred.
• Knowledge of 2 common programming languages - Java & Node / Rust /Python & Go
• Comfortable in linux command line, AWS or GCP
• Strong unit test and debugging skills
• Great communication skills

Bonus if you have…

• Love building great products and engineering systems from scratch
• Are a Self-starter, Hustler and Curious to Learn
• Have an understanding of fundamental design principles behind a scalable application
• Thrive in an early-stage startup environment with less stability and more ambiguity
• Have an interest in financial products and/or cryptocurrency

• Experience in corporate training with minimum 3.5 years of experience in Technical training
• Exposure into C#.Net, ASP.NET, MVC-5, SQL database, HTML-5, CSS-3, Javascript, AngularJS.
• Concepts on ASP.Net MVC and Web API, .Net Core, latest version of .Net core.
• Candidate should have good Presentation, verbal & written communication Skills.
• Good to have Microsoft certification on MVC and implementation knowledge on AngularJs. 

Job Responsibilities:

• Create standard RESTful APIs
• Define API models
• Define Database models
• Communicate with other teams about breaking changes
• Maintain code quality
• Optimizing services for maximum performance

Requirements:  5+ years of work experience

• Advanced understanding of SQL ( NoSQL is a plus)
• Proficient understanding of Node.js
• Willingness to learn new ways of doing things
• Experience exposing functionality through RESTful APIs and GraphQL
• Perform performance tuning and query optimization using native SQL Server tools
• Ensure performance, security, and availability of databases
• Should be familiar with the AWS ecosystem and services
• Experience in deployment of scalable, low-latency, and highly available distributed systems
• Experience with Scrum/Agile development

Required Candidate profile

Perks and Benefits 

Our backend(NodeJS+PHP) team is passionate about technology, and we love building scalable web solutions keeping performance in mind.We're looking for a full stack developer that has experience developing a variety of Web Apps using the PHP and NodeJS stack.

Role + Responsibilities:

• Work with the team to design, develop and support scalable applications        
• Developing API’s(REST), designing the database schema and implement same in web frameworks like Laravel and Express along with ORM(including migration script and seeds data)    
• Very good end-to-end debugging skills in PHP and NodejS stack.    
• Write, test, and release production-ready code.        
• Work with our DevOps team to ensure continuous deployments of our applications

Person Specification and Qualifications:

• Experience developing highly scalable services and APIs(in NodejS and PHP frameworks)    
• Knowledge of data modelling and database performance using NoSQL/SQL    
• Strong experience with PHP framework like Laravel(PHP) and JS frameworks like Express, and other Framework In nodeJS.    
• Good knowledge in code versioning(git or svn)    
• Good knowledge in html templating, javascript, html and css.    
• Good experience with code deployment on server like ubuntu, linux.    
• Knowledge of SDK integration(social media sdk like Facebook, google, etc and cloud services sdk like AWS and Azure)    
• Familiarity developing SaaS applications in AWS/Azure cloud services.        
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications