
A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.
Responsibilities
- Develop and maintain scalable web applications using the MERN stack.
- Build interactive and responsive user interfaces with React.
- Implement server-side APIs and business logic using Node.js and Express.js.
- Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
- Integrate front-end with back-end systems and third-party services.
- Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
- Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
- Implement security best practices and protect sensitive data.
- Participate in code reviews and mentor junior developers.
Requirements
- Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
- Strong skills in JavaScript, HTML5, and CSS3.
- Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
- Understanding of database design, schema management, and NoSQL principles.
- Problem-solving ability and communication skills.
- Bachelor's degree in computer science or related field (preferred).
- Experience working collaboratively in a team-oriented environment.
Key Skills
- JavaScript, React.js, Node.js, Express.js, MongoDB.
- HTML/CSS, RESTful APIs, Git.
- Familiarity with agile methodologies and UI/UX best practices.
- Testing, debugging, code optimization, and deployment.

About Voxbay Solutions
About
We are a cloud communication platform partially based on Artificial Intelligence, the globally leading enterprise in cloud telephony. The Voxbay family believes in quality services, progress and growth. Our young venture has pulled off various breakthroughs and as we step forth, we continue to seek for more. As our generations are getting more and more educated on what cloud telephony has to offer, we intend to break our own records in the best ever services provided. We are set on endlessly enhancing our products and services. By the end of 2024, we hope to be easily accessible for small, medium and large enterprises all across India.
Tech stack
Candid answers by the company
Voxbay Solutions is a leading telecommunications company offering cloud-based, AI-powered business communication solutions, including IVR, call center platforms, CRM integration, and bulk messaging services for enterprises across India and globally
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Job Title: Full Stack Developer (ReactJS + NodeJS)
Experience: 6–8 Years
Job Description
We are looking for an experienced Full Stack Developer with expertise in ReactJS, NodeJS, TypeScript, Redux, and PostgreSQL to design, develop, and maintain scalable web applications. The ideal candidate should have strong front-end and back-end development skills, experience building RESTful APIs, and knowledge of Agile development practices. Experience with Java is an added advantage.
Key Responsibilities
- Design, develop, test, and deploy full-stack web applications.
- Build responsive UI components using ReactJS, TypeScript, and Redux.
- Develop and maintain scalable backend services and RESTful APIs using NodeJS.
- Design and optimize PostgreSQL databases, queries, and stored procedures.
- Ensure application performance, security, scalability, and code quality.
- Participate in code reviews, debugging, troubleshooting, and performance optimization.
- Implement and maintain CI/CD pipelines and development best practices.
- Collaborate with cross-functional teams in an Agile/Scrum environment.
- Support and enhance existing Java applications when required.
Required Skills
- ReactJS
- NodeJS
- TypeScript
- Redux
- PostgreSQL
- REST APIs
- HTML, CSS, JavaScript
- CI/CD
- Git
- Agile/Scrum
Preferred Skills: Java, Microservices, Docker, Kubernetes.
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
We are looking for a talented full-stack software engineer to join our small and extremely talented product team. We love to build amazing products fast and with a high standard of code and UX, always on the cutting edge of new technologies.
Tasks
- Design and build features end-to-end. You'll be working on the frontend, backend, and anything in-between, whatever it takes to solve problems and delight users.
- Build beautiful and usable UIs with our modern toolset of React (NextJS, ES11, TypeScript) and TailwindCSS.
- Continue developing our distributed backend using Node (NestJS + TypeScript) and Rust. Technologies also include PostgreSQL, Redis, and RabbitMQ.
- Stitch many different services and APIs together, even if you have not worked with them before.
- Build solutions that take scaling and growth into consideration while balancing the time to launch.
- Engineer solutions to solve existing tech debt and write maintainable, sound and safe code.
Requirements
- 3+ years of experience as a Software Engineer, working with Typescript, React and serious interest or even better experience with Rust. However, we care much more about your general engineering skill than your knowledge of a particular language or framework.
- The ability to put yourself in the users' shoes and craft intuitive, high-quality web UI experiences
- A high bar for code quality and robustness for long-term expansion and use
- High personal initiative to learn, improve, and excel
- A Can-Do, entrepreneurial mentality with enjoyment for being a generalist
- DevOps: Experience with CI/CD pipelines, Docker, Kubernetes, and other DevOps tools.
- Experience with distributed systems, scaling applications, and/or microservices.
- Fluent in English (German is a plus)
Plus:
- Hands-on experience with the Rust
- Experience with functional programming
- Previously worked in an early-stage startup and experienced scaling of engineering teams
• Experience in WooCommerce Development and payment gateway integration
• Experience in WordPress Theme Customization & Development
• Experience in WordPress Plugin Customization & Development
• Must have hands-on experience with Elementor Theme
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
• Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers
• Strong understanding of PHP back-end development.
• Troubleshooting and error-solving attitude.
• Excellent written and verbal communication skills.
- Strong working knowledge of Typescript, MongoDB, MySQL, Express
- Strong proficiency in TypeScript, JavaScript including DOM manipulation and the JavaScript object model, ES6
- Hands-on experience in React JS
- Strong understanding of HTML5, CSS3
- Strong understanding of NodeJS fundamentals
- Knowledge and experience working with PostgreSQL is a major plus
- Experience with ORM libraries
- Familiarity with RESTful APIs
- Knowledge of tools like Git, GitHub, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share
- Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment.
Requirement
∙ Proficient in Node.JS and ReactJS development stack
∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.
∙ Passion for best design and coding practices and a desire to develop new bold ideas
∙ Good to have knowledge of AWS, Redis, ElasticSearch
Education: Min. Graduate in related discipline
We are hiring a full time founding engineer on quite a bit of equity.
People who have always wanted to startup - please apply






