MERN Stack Developer

Location : Bengaluru, India

Type : Full-time

Experience :4-7 Years

Mode :Hybrid

The Role

We're looking for a Full Stack Engineer who thrives on building high-performance applications at scale. You'll work across our entire stack—from optimizing PostgreSQL queries on 140M+ records to crafting intuitive React interfaces. This is a high-impact role where your code directly influences how sales teams discover and engage with prospects worldwide.

What You'll Do

• Build and optimize REST APIs using Django REST Framework handling millions of records
• Design and implement complex database queries, indexes, and caching strategies for PostgreSQL
• Develop responsive, high-performance front-end interfaces with Next.js and React
• Implement Redis caching layers and optimize query performance for sub-second response times
• Design and implement smart search/filter systems with complex logic
• Collaborate on data pipeline architecture for processing large datasets
• Write clean, testable code with comprehensive unit and integration tests
• Participate in code reviews, architecture discussions, and technical planning

Required Skills

• 4-7 years of professional experience in full stack development
• Strong proficiency in Python and Django/Django REST Framework
• Expert-level PostgreSQL knowledge: query optimization, indexing, EXPLAIN ANALYZE, partitioning
• Solid experience with Next.js, React, and modern JavaScript/TypeScript
• Experience with state management (Zustand, Redux, or similar)
• Working knowledge of Redis for caching and session management
• Familiarity with AWS services (RDS, EC2, S3, CloudFront)
• Understanding of RESTful API design principles and best practices
• Experience with Git, CI/CD pipelines, and agile development workflows

Nice to Have

• Experience with Elasticsearch for full-text search at scale
• Knowledge of data scraping, ETL pipelines, or data enrichment
• Experience with Celery for async task processing
• Familiarity with Tailwind CSS and modern UI/UX practices
• Previous work on B2B SaaS or data-intensive applications
• Understanding of security best practices and anti-scraping measures

Our Tech Stack

Backend

Python, Django REST Framework

Frontend

Next.js, React, Zustand, Tailwind CSS

Database

PostgreSQL 17, Redis

Infrastructure

AWS (RDS, EC2, S3, CloudFront), Docker

Tools

GitHub, pgBouncer

Why Join Us

• Work on a product processing 140M+ records—real scale, real challenges
• Direct impact on product direction and technical decisions
• Modern tech stack with room to experiment and innovate
• Collaborative team environment with a focus on growth
• Competitive compensation and flexible hybrid work model

Proficiency in Java 8+.

Solid understanding of REST APIs(Spring boot), microservices, databases (SQL/NoSQL), and caching systems like Redis/Aerospike.

Familiarity with cloud platforms (AWS, GCP, Azure) and DevOps tools (Docker, Kubernetes, CI/CD).

Good understanding of data structures, algorithms, and software design principles.

Our Client is focused on democratizing Insurance through technology. It is a cloud-based platform connecting distributors to the Insurance Ecosystem to sell and manage Insurance programs. They are creating a middleware connecting consumers, traditional insurance institutions, intermediaries, and service partners on a single platform. Basically, give distributors the ability access to the entire Insurance ecosystem via 1 API / 1 platform.

Their goal is simple - Provide a new way to do Insurance, which is secure, easy, and focuses on the consumer while staying compliant with the frameworks laid down by the regulator.

Description

This is a mission-critical role. They are a small, diverse, agile and high-performance, engineering team. They are looking for versatile developers who will:

• Innovate their existing product and work on creating tools that crunch integration times and time to market
• Improve through peer-learning and transmit them to the firm's dev ecosystem.
• Take ownership and get the job done.

They are clear. They need role shapers, not role takers.

Key Responsibilities

• You will be responsible for design, development and delivery our web-based application in an agile manner built on Java Spring Boot, React, My SQL and Mongo DB.
• You will be expected to write code on day-to-day basis while testing it on real world use cases
• You will be an independent owner of your feature on the platform.
• You will be a part of the core software development team and are expected to participate in all development cycles.
• You will be responsible for closure of business requirements end-to-end by working cross-functionally and will be expected to mentor and drive other members of the team.

Requirements

• Bachelor's degree or higher in Computer / Technology domain.
• 4-7 years of relevant work experience, preferably in a start-up environment/ building SaaS products.
• Excellent coding skills with ability to deliver in a hyper growth phase.
• Hands on experience in JAVA and practical experience in developing and designing scalable software solutions.
• Excellent Problem-solving skills & understanding of data structures in a complex environment.
• Extensive experience in Spring, Hibernate and SpringBoot
• Experience in building REST Services
• Experience in integrating third party APIs (Payment gateways, SMS gateways, Accounting software APIs, APIs of CRM tools etc.) into web applications
• Experience in working with SQL and no SQL DBs (Preferably Mongo DB)
• Working knowledge of Kubernetes and Docker is a plus
• Knowledge of how insurance processes and past experience in working on insurance applications is a plus.

About Company

Our client delivers personalised luxury interior design to India’s discerning homeowners and corporates. Led by highly admired luxury brand builders, internationally trained designers, world-class technology professionals and curated teams of turnkey project execution specialists. We seek perfection in design and are committed to bringing back trust and excitement in the design process.  

Qualifications

• Software developer with skills to develop front-end and back-end systems in Web site development.
• The candidate number has hands-on experience in handling and developing code in JavaScript, React, HTML, PHP, MySQL, APACHE & NGINX to develop web-based applications.
• Knowledge of designing the user interface, developing servers and database designs & coding for mobile platforms would be added advantage.
• Work Experience: 6-7 Years

Requirements

•  Design and implementation of the overall web architecture.
•  “Pixel-perfect” implementation of our approved user interface.
•  Expertise in front-end technologies, including JavaScript,CSS3 and HTML5 and third-party libraries such as React Js, jQuery
•  Design and deployment of our database
•  Ensuring the entire stack is designed and built for speed and scalability
•  Design and construction of our REST API
•  Integrating our front-end UI with the constructed API
•  Design and implementation of continuous integration and deployment
•  Designing Database - Expertise in databases like MySQL, other databases like MongoDB , and PostgreSQL Will be a plus.
•  Ensuring cross-platform optimization for mobile phones.
•  Overseeing and guiding the analysing, writing, building, and deployment of software.

What skills we are looking for?

• Writing HTML, CSS, and JavaScript. Up to the latest practices,
•  A relevant back-end programming language experience
•  Database design and management, including being up on the latest practices and associated versions
• Server management and deployment for the relevant environment
•  Familiarity with a relevant and globally supported framework

both front-end and back-end like React, and Laravel.

• Thorough understanding of user experience and possibly even product strategy
•  Experience implementing testing platforms and unit tests

• Cross-platform mobile applications for Android & iOS
• Web service integration (SOAP, REST/JSON, GraphQL)
• Identification of application issues when deploying the apps
• Timely App deployment to Play Store & ios app store

Skills & Requirement:

• Minimum 2 years Experience required.
• Previous mobile app development experience using Flutter framework and DART programming is essential
• Experience with Material Design and Android UI design principles, patterns and best practices
• Experience with third party libraries and API integration experience is essential.
• Strong knowledge of Design patterns and good UI design ability
• Dynamic form building experience is essential
• Diagnose performance issues, fix bugs (including crashes) to increase the functionality of the application
• Performance optimization is required.
• Previous experience on IOT Projects will be added advantage

Work Location: 1st Sector, HSR Layout, Bengaluru - 560102

Office Timings : Monday to Saturday – 9:00AM to 6:00PM

Work From Office Only

• Build the front-end of applications through appealing visual design
• Good understanding of REACT application, Native Android, System architecture, and workflows
• Experience with function and class components, hooks and material UI, CSS, styled-components preferred
• Understanding of RESTful APIS, HTML/CSS, ES6 (variables and scoping, array methods), GIT, popular frontend development tools, CI/CD tools, DevOps
• Understanding in JavaScript, object model, DOM manipulation and event handlers, DataStructures, Algorithms, JSX
• Must have knowledge in Script frameworks ReactJS, Redux, jQuery and Android Language: Typescript/ JavaScript/ JAVA / XML
• Build reusable code and libraries for future use
• Good problem-solving, Open-minded team player, troubleshooting skills

• Expertise in Java server-side development: Core Java, Golang Servlets, Spring Core, React JS, Spring Boot with GRPC, and Hibernate.
• Exposure to microservice design patterns.
• Good knowledge in Data Structures, Algorithms, Object-Oriented Design, Analysis, Design patterns, and other computer science concepts.
• Knowledge of GraphQL, Kafka, PostgreSQL will be added advantage.