
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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We’re building the future of AI-powered sales enablement.
PitchSense AI is a flagship product within our portfolio of AI-driven Sales and Marketing solutions.
We blend conversational intelligence, generative AI, and behavioural analytics to help people master persuasion through real-time AI simulations.
Why PitchSense AI
Working here means joining a small, fast-moving team that lives at the frontier of applied AI.
You’ll:
- Build in a high-pace, high-learning environment where ideas ship fast.
- Tinker with cutting-edge AI tools, agents, and large language models (LLMs) daily.
- Prototype novel ways to combine speech, emotion, and reasoning into human-like training experiences.
- Learn across multiple domains — engineering, design, analytics, and product.
- Work directly with the founding team on problems no one has solved before.
This is not routine work — it’s an opportunity to shape entirely new experiences in human-AI interaction while growing faster than you ever have before.
Stack: Next.js · TypeScript · NestJS · Prisma · PostgreSQL · AWS · OpenAI · AISDK · AI Agents · RAG · ElevenLabs
Culture: Ownership · Velocity · Craftsmanship
SDE III / Tech Lead
Location: Gurgaon
Experience: 5+ years | Type: Full-time | Reports to: CTO
Role Overview
Be a founding technical anchor, leading architecture and mentoring the core team as we scale PitchSense AI from MVP to enterprise platform.
Responsibilities
- Design high-performance systems for real-time AI simulations and analytics.
- Lead pods spanning frontend, backend, and DevOps.
- Own architecture, data flows, and AWS deployment strategy.
- Partner closely with product and design for cross-functional delivery.
- Mentor SDE I / II engineers and set engineering standards.
Requirements
- 5+ years experience (1+ in lead/architect capacity).
- Deep expertise in TypeScript/Node.js, React/Next.js, PostgreSQL/Prisma, AWS Cloud.
- Proven record in distributed, data-intensive system design.
- Strong system design and DevOps understanding.
- Excellent leadership and collaboration skills.
Bonus
- Experience with vector databases or LLM infrastructure.
- Prior B2B SaaS scaling experience.
Developer Tools & Workflow
Every engineer and designer at PitchSense AI uses modern, AI-augmented tools to move fast and ship better.
Tools
- Cursor IDE
- Claude Code
- AWS (Lambda, ECS, RDS, S3)
- AI-based Code Reviews
- MagicPath
- Figma AI
Workflow Highlights
- Continuous deployment via GitHub Actions / AWS Pipelines.
- PR preview environments for instant testing.
- AI-driven code review loops for rapid iteration.
- Cross-disciplinary culture - work across frontend, backend, DevOps, and design.
Culture & Perks
- Ownership from day one - every role is founding-level.
- 6-day work week, Monday to Saturday.
- High-performance, meritocratic culture - growth based on impact, not tenure.
- Cross-discipline learning - explore code, design, and infrastructure alike.
- MacBook for work and premium tooling.
- Annual offsite for alignment and collaboration.
- Competitive compensation and ESOPs for core hires.
- Direct mentorship from the CTO and founding team.
- Real impact - reshape how humans learn to sell, speak, and persuade through AI.
Required Technical Skills:
Backend
- Strong proficiency in Node.js and TypeScript
- Extensive experience with NestJS framework
- Hands-on experience with Prisma ORM and complex database schemas
- Solid understanding of RESTful API design and Swagger documentation
- Proven experience writing unit and integration tests with Jest
Frontend
- Expert-level React knowledge and modern React patterns (hooks, context, etc.)
- Deep understanding of JavaScript and TypeScript fundamentals
- Experience with performance optimization techniques (code splitting, memoization, lazy loading)
- Strong grasp of responsive design and modern CSS practices
General
- Demonstrated experience conducting thorough code reviews
- Commitment to following strict development standards and best practices
- Strong understanding of software engineering principles and design patterns
Job Title: Java Full Stack Developer (React & Java )
Experience: 6 to 10 Years
Location: Pune
Notice Period: Within 15 days
Job Description:
- Looking for passionate Java Full Stack Developers with strong expertise in React and Spring Boot Microservices to join our dynamic team. If you are looking for a challenging role in a collaborative environment and are ready to join immediately, we would love to hear from you!
- Key Responsibilities:
- Design, develop, and maintain scalable web applications using Java, Spring Boot, and Microservices architecture.
- Build responsive and dynamic front-end interfaces using React.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Write clean, maintainable, and efficient code following best practices.
- Participate in code reviews, unit testing, and integration testing.
- Troubleshoot and resolve technical issues across the full stack.
Required Skills:
- 5+ years of hands-on experience in Java Full Stack Development.
- Strong proficiency in Spring Boot, RESTful APIs, and Microservices.
- Front-end development experience with React.js.
- Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
- Experience with SQL/NoSQL databases (e.g., MySQL, MongoDB).
- Familiarity with CI/CD pipelines, Git, and Agile methodologies.
- Excellent problem-solving and communication skills.

Job Type : Permanent
Experience : 4-6 Years
Location : Work From Home (Gurgaon based company)
Skills :
- Node JS
- React JS
- Working in Agile Methodology
- Working Experience on Microservices & Dockers
Desired Profile :
- Feasibility assessments - Outline Risks , Design , Effort / Cost Estimate.
- Analyse, design, document, and agree - Solutions to meet requirements / timelines.
- Produce refined estimates of effort, time, resource, and costs for work requests.
- Work effectively with Product Managers and Product Owners to ensure delivery against agreed priorities.
- Develop code, perform peer code reviews, and complete integration tests.
Ensure delivery of high quality, fit-for-purpose solutions - Follow software development & architectural principals.
- Ensure all solutions maintain the integrity of data throughout capture, processing, and storage.
- Engage with the various testing teams, facilitating systems Test, UAT & other test phases.
- Ensure all software changes are prepared for deployment into PRODUCTION, following CPP's change control processes.
- Provide regular development progress reports to key stakeholders as necessary.
- Maintain effective documentation and share expertise with colleagues to eliminate single points of expertise within the team.
- Research the external environment, and where appropriate identify and recommend external partners for the delivery of best in class technologies suitable for CPP applications.
- Understanding the use cases (and/or user stories) in order to oversee the design of the architecture for the products to be built.
As a core member of the Software Development team, you will be responsible for the architecture, coding, development, testing and release of customer applications hosted both on-premise and on-cloud. Candidates with proven experience in both Frontend and Backend Development (predominantly Backend Development) with prior experience in deploying applications on AWS/Azure cloud will be preferred.
You will be leading a small team of developers (not more than 3 at a time) on a given project, and be a client-facing SPOC to work with the client and meet stringent deadlines. You will be responsible for Coding and Development with a code coverage of minimum 90%. You will adhere to coding and security standards and ensure that your delivery is secure and free from any critical, high and medium-rated vulnerabilities.
About the role
We are looking for a strong full stack engineer who has experience building web and mobile applications for enterprise and consumers. You will help design, build and maintain scalable applications and build the API infrastructure that can be used across all client products.
Responsibilities:
- Building applications that are responsive, performant, and accessible Produce high quality HTML/CSS pages from mock ups.
- Collaborating with other disciplines across engineering, UX, and Product to help develop front end solutions.
- Using our Micro service stack to integrate front end into the development lifecycle.
- Build high availability and extremely reliable transactional systems.
- Own and manage all phases of the software development lifecycle (planning, design, implementation, deployment and support)
- Design, build and maintain API infrastructure that allows for standard integration methodology between applications and third party services
- Collaborate effectively with the rest of the team to design and launch new features
- Deliver on rapid implementation schedules to build web functionality that is fast, scalable, and upholds smart development goals and principles
- Work on all things front-end and backend including web and mobile
- Maintain code integrity, quality and ensure responsiveness of applications.
Requirements:
- 3+ year track record of relevant work experience and a Computer Science or a related technical discipline is required.
- Proficient in HTML 5, CSS, and JavaScript frameworks, like React, Vue.js, NodeJS among others.
- Experience working with graphic designers and converting designs to visual elements using JavaScript, HTML and CSS.
- Strong knowledge and experience with server-side web of building restful APIs for internal and external products using Node.js
- Doesn’t shy away from testing and code review.
- Good knowledge of OOPS Concept and Data Structure like Queue, Stack, Tree, Linked List.
- Knowledge of code versioning tool - Git.
- knowledge of cloud computing platforms, like Amazon Web Services
- Strong Knowledge of database systems like Mysql.
- Interest and ability to learn new technology stacks as needed.
- Good problem solving skills and Willing to learn new technology.
- Passion for developing awesome user experiences
- Independent, dedicated, and able to deliver production ready code with minimal guidance.







