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

1. Develop and maintain server-side logic and APIs using Node.js.
2. Collaborate with front-end developers to integrate user-facing elements with server-side logic.
3. Design and implement scalable, secure, and maintainable backend solutions.
4. Work with databases such as MongoDB, PostgreSQL, or MySQL.
5. Optimize application performance and troubleshoot production issues.
6. Follow best practices for testing, deployment, and code quality.
7. Stay updated with the latest trends and technologies in backend

We are a Business Process Management Solutions & Services Company based out of Bangalore, looking 

for dynamic and self-motivated Developer, to help grow our business by building products that pushes 

technology to new heights. Candidates should possess a sense of ownership and pride in his/her 

performance and its impact on the company’s success.

Deliverables

• Understand requirement through discussions with Business Analyst / Product owner/ Client, or by 

studying / analyzing the Functional Specification Document (FSD), and convert the requirements in 

to technical implementations using technical documentation and unit test cases

 Writing code (server side and client side) with Node JS, React JS and experience with any database 

like MSSQL/My SQL/Pg SQL/Oracle/Mongo DB

• Code technical implementations based on approved technical designs 

• Should have capacity to take control of entire project.

• Design database.

• Prepare technical documents, architecture, design etc.

Core Competencies

• A sense of ownership and pride in his/her performance and its impact on the company’s success

• Understanding of Software Development Life Cycle and Agile methodologies.

• Technical Skills to work with Reactjs, Redux, Nodejs, Javascript & any RDBMS.

• Expertise in Git, SVN.

• Knowledge about ORM.

• Should have sound knowledge of React JS and Node JS.

• Writing clean, readable, and easily maintainable code.

• Good oral and written communication skills.

• Other required soft skills to work in a team.

• Support team mates and enhance their capabilities.

Qualification

• Any bachelor degree

• 5+ years of relevant experience

Other Details

• 5 days working – Monday to Friday

• Office Time – 9 30am to 6 30pm

• Work Mode – Work from office

• Preferably looking for immediate joiners

• Collaborate with multiple stakeholders to understand the business context
• Take responsibility for developing product features
• Implement development best practices

• Rich experience in Javascript and front end frameworks like React, Angular or Vue
• Build a backend APIs using Java, Node, Python or GoLang
• Proficiency in leveraging Cloud Native components in AWS, Azure or GCP
• Experience in building scalable applications using Microservices principles is a plus
• Experience in designing for performance is a big plus
• Ability to write high quality code
• Experience in polygot persistence using databases like relational (MySQL, Postgres) and NoSQL (MongoDB, Cassandra, DynamoDB, Redis etc)
• Familiarity with DevOps tools and technologies is a plus
• Passion for continuous learning of new technologies

Experience required - 3 year(minimum) in MERN Stack

Salary - 15-20 LPA

About the Company

The company is one of the fastest-growing B2B SAAS Marketplace to procure industrial materials. The startup is generating an Annual Revenue of Rs. 100 Crore. You will get to work in a fast-paced environment with a brilliant agile tech team led by top engineers.

Location: Pune, 3 months Remote then Work from Office or Hybrid Working

Qualifications & Criteria

1. 3+ Years of development experience in the full-stack development (preferred MERN technology stack). Should be proficient in working with technologies like JavaScript, CSS, and JS with frameworks like NodeJs and ReactJS.

2. Should have good knowledge of databases like Linux.

3. As part of the brains of the startup, You are smart, creative, and love solving business challenges and thereby find new ways to propel the growth of the company.

4. You are passionate about the growth and want to become a future technical leader within the company. Your work and attitude should reflect your commitment for the same.

Responsibilities:

1. Should be able to work independently once proper guidance is provided.

2. Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations

3. Ensure timely completion of development activity.

4. Prepare training documents and provide training to internal teams on tools.

5. Consult, design, and develop well-structured, scalable in-house tools.

6. Should be able to write optimized business logic for business functions

• You will be responsible for the delivery of the application/ feature/ module your team will be working on.
• Write/Review Code every day in addition to pairing with team members on functional and non-functional requirements and spread design philosophy, goals, and improvements to code quality across the team
• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Ensure all code is thoroughly covered by automated tests and that all features meet quality checks before deployment.
• Contributing to the constant improvement of practices and processes in the team.
• Building and managing automated build/test/deployment environments
• Coordinate with cross-functional teams (Sales, Marketing, Product, Mobile, DevOps, UX, Data Science, Data Engineering, QA, etc.) to define and execute the feature roadmap.
• Research new technologies and tools and share your learning with the rest of the team.
• Provides mentoring and guidance to other team members, including new hires.

What makes you a great fit for our team:

• 5-8 years of overall experience with at least 2+ years of full-stack experience. 
• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Experience in NodeJS for at least two years and exposure to Python, Go, etc will be a huge plus and JavaScript frameworks (e.g. Angular, ReactJs(preferred), VueJs)
• Familiarity with databases (e.g. MySQL, MongoDB) and UI/UX design
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server-side development.
• Data modeling experience in both Relational and NoSQL databases.
• Experience in building microservices-based architectures
• Knowledge of or experience with at least one or more of PaaS environments - AWS, Google App Engine, Windows Azure Cloud Services or similar
• Ability to deliver in a global team environment with members working remotely in various time zones and locations
• You are a problem solver with exceptional analytical skills and high attention to detail
• Good knowledge of data structures(list, graphs, maps) and their advantages or disadvantages.
• You thrive in a fast-paced environment, successfully handle ambiguity, and have experience working with Agile methodologies, TDD and Test Engineering and Automation
• You have excellent written and oral communication skills, with an ability to handle both executive-level discussions as well as technical deep dives
• Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, concurrency and multithreading, fault tolerance, monitoring, security, operability, and scalability of systems.
• Able to occasionally travel to our USA headquarters in Redwood Shores, CA

Education: 

• Bachelors - (Preferably from Tier-1 College)

Keywords:

• Node, NodeJS, AWS, Full Stack, Serverless, Amazon Web Services, Lambda, REST APIs, Webservices, Microservices, ReactJs, VueJs, AngularJs

• Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.
• Primary Skills – Angular6+, HTML, CSS3, JavaScript.
• Node JS as backend will be advantage
• Knowledge of Mongo, MySql will be advantage
• Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.
• Should have experience in publishing and consuming Services using REST API
• Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.

Responsibilities

Work with dev teams and manage projects.

Plan with security and data protection as a foreword thought.

Build real-time and near real-time web applications with video/audio streaming.

Provide budgets and cost estimations for projects and server/service costs.

Design and develop client and server-side architectures.

Build front-end apps on React, Vue. You should be an expert at React.

Develop and manage database

Plan and write APIs

Test software to ensure responsive and efficiency

Write technical documentation

Requirement

5+ years experience

Front-end - React, Vue, Angular ( Expert in React and Angular)

Backend - Go-lang, Python, nodeJS, ( Must have working knowledge of atleast any of the two

programming languages)Framework: Django, Express JS

Misc - Linux, AWS, Deployment, Docker( Mandatory)