MERN Stack Developer

Full Stack Developer Internship – (Remote)

Pay: ₹20,000 - ₹30,000/month | Duration: 3 months

We’re building Pitchline - a voice based conversational sales AI agent, an ambitious AI-powered web app aimed at solving meaningful problems in the B2B space. It’s currently in MVP stage and has strong early demand. I’m looking for a hands-on an Full Stack Developer Intern who can work closely with me to bring this to life.

You’ll be one of the first people to touch the codebase — shaping the foundation and solving problems across AI integration, backend APIs, and a bit of frontend work.

What you'll be doing

• Build and maintain backend APIs (Python)
• Integrate AI models (OpenAI, LangChain, Pinecone/Weaviate etc.) for core workflows
• Design DB schemas and manage basic infra (Postgres)
• Support frontend development (basic UI integration in React or similar)
• Rapidly iterate on product ideas and ship working features
• Collaborate closely with me (Founder) to shape the MVP

What we're looking for

• Curiosity to learn new things. You don’t wait for someone to unblock you and take full ownership and get things done by yourself.
• Strong foundation in backend development
• Experience working with APIs, databases, and deploying backend services
• Curious about or experienced in AI/LLM tools like OpenAI APIs, LangChain, vector databases, etc.
• Comfortable working with version control and basic dev workflows
• Worked on real projects or shipped anything end-to-end (Even if it is a personal project)

Why join us?

You’ll be a core member of the team. What we’re building is one of a kind and being a part of the successful founding team will fast track your personal and professional growth.

You’ll work on a real product with potential, witnessing in real time the impact your hard work brings.

You’ll get ownership and be part of early decisions.

You'll learn how design, tech, and business come together in early-stage product building

Flexible working hours

Opportunity to convert to full-time upon successful conversion.

We’re a fast paced team, working hard to deploy the MVP as soon as possible. If you're excited about AI, startup building, and getting your hands dirty with real development then our company is a great place to grow.

Job Title: Full Stack Developer (.NET + React)

Location: Pune, India

(Please apply only if you are currently based in Pune)

Experience: 3+ years (Full Stack Development)

Notice Period: Immediate Joiners Only.

About the Role

We are looking for a highly skilled Full Stack Developer with expertise in .NET and React to join our growing team in Pune. This role demands a strong understanding of backend and frontend technologies to contribute to high-impact enterprise projects. If you're passionate about clean architecture, performance, and scalability, and you're available to join immediately, we want to talk to you.

Key Responsibilities:

• Develop and maintain scalable web applications using .NET (C#) for backend and React.js for frontend.
• Design and implement RESTful APIs and integrate them with the frontend.
• Collaborate with UI/UX designers, QA engineers, and other developers to deliver quality products.
• Participate in code reviews and maintain high standards for code quality.
• Optimize application performance, scalability, and responsiveness.
• Maintain version control using Git and participate in CI/CD pipeline processes.

Required Skills:

• Strong hands-on experience in .NET Core / ASP.NET Core (Web API)
• Solid experience with React.js and JavaScript/TypeScript
• Experience with Entity Framework / Dapper, LINQ, and SQL Server
• Proficiency in HTML5, CSS3, SCSS, and modern frontend development practices
• Knowledge of REST API design, token-based authentication (JWT/OAuth)
• Familiarity with Git, CI/CD tools, and agile development practices

About the Role:

We are looking for a skilled Flutter App Developer to build and maintain a high-performing online portal accessible via both mobile and web platforms. The ideal candidate will have a strong command of Flutter and Dart, experience integrating APIs, and the ability to develop responsive, scalable, and intuitive user interfaces.

Key Responsibilities:

• Develop, test, and maintain cross-platform applications for web and mobile using Flutter
• Implement responsive UI/UX based on Figma/Adobe XD designs
• Integrate third-party APIs and backend services (e.g., REST APIs, Firebase)
• Build and manage state using Provider, Bloc, or similar libraries
• Optimize app performance and resolve bugs reported by QA or end-users
• Ensure cross-browser/platform compatibility and responsiveness
• Collaborate with UI/UX designers, backend developers, and product teams
• Manage version control using Git and participate in code reviews

Required Skills:

• Strong experience with Flutter & Dart
• Experience developing Flutter Web & Mobile apps
• Familiarity with state management solutions (e.g., Provider, Bloc, Riverpod)
• Proficient in RESTful API integration and JSON handling
• Knowledge of Firebase services (Auth, Firestore, FCM) or other backend tools
• Understanding of responsive and adaptive UI principles
• Experience with Git version control

Preferred Skills (Bonus):

• Familiarity with deployment on Play Store and App Store
• Experience with web-specific optimization (SEO, PWA basics)
• Background in Android (Java/Kotlin) or iOS (Swift) development
• Unit and widget testing in Flutter
• CI/CD pipeline knowledge (Codemagic, GitHub Actions, etc.)

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or related field (preferred)
• Proven portfolio or GitHub repo with past Flutter/web apps

Why Join Us:

• Opportunity to work on a dynamic and scalable online portal
• Flexible work schedule and remote options
• Growth-oriented and collaborative work environment

Responsibilities:

• Develop, test, and maintain web applications using the CodeIgniter framework.

• Write clean, efficient, and well-documented code.

• Troubleshoot and debug issues that arise during development or in existing applications.

• Collaborate with team members to identify and resolve problems.

• Participate in code review sessions to ensure that code meets quality standards.

• Stay up-to-date with the latest trends and technologies in web development.

Preferred Qualifications/ Skills

• Bachelor's or Master's degree in Computer Science or a related field.

• Minimum 1 years of experience in PHP development.

• Strong knowledge of the CodeIgniter framework.

• Proficient in HTML, CSS, JavaScript, and jQuery.

• Familiarity with Git, GitHub, PHPUnit, and Composer.

• Experience working in an Agile development environment using Scrum/Kanban.

• Familiarity with databases such as MySQL, PostgreSQL, and MongoDB.

• Good understanding of web standards and protocols.

• Strong problem-solving and analytical skills.

• Ability to work independently and as part of a team.

• Excellent communication and interpersonal skills.

• Experience in React.Js is also a must

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements

• Degree in computer science.
• Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks
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• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

Who are we?  

Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users. 

What sets us apart from the rest?

With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.

With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space. 

We are pleased to have an Employee rating of 4.6 on Glassdoor and our Customer obsession can be seen in our reviews on platforms like G2 Crowd & Gartner Peer Insights.

The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - Sequoia Capital || Stellaris || Cisco || Eight Roads || Helion Ventures

“Hustle Mode ON” is something we live by.

We are looking for a skilled Web Developer to join our growing team. As a Web Developer, you will be responsible for designing and developing responsive and dynamic web applications using PHP, HTML, CSS, JavaScript, and various front-end technologies.

Responsibilities:

• Design and develop dynamic and responsive web applications using PHP, HTML, CSS, JavaScript, and various front-end technologies.
• Work closely with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code.
• Ensure the performance, quality, and responsiveness of web applications.
• Debug and troubleshoot issues, and fix bugs in a timely manner.
• Write unit tests to ensure code quality and stability.
• Use strong problem-solving skills to tackle complex technical challenges.
• Stay up-to-date with the latest industry trends and technologies.

Requirements:

• Bachelor's degree in Computer Science or a related field.
• 2 to 4 years of experience in full-stack web development.
• Strong knowledge of HTML, CSS, JavaScript, wordpress add PHP.
• Strong problem-solving and analytical skills.
• Ability to work in a fast-paced and dynamic environment.
• Excellent communication and interpersonal skills.
• Good to have AWS knowledge

We are an equal-opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Required Skills Description

Experience Level:- 4 –7 Years of Experience

Mandatory Skills –

1. Good Coding Skills
2. Hands-on Experience Angular or React or Vue or Typescript
3. Sound knowledge on RESTFUL APIs
4. Should have executed projects where .Net and Microsoft technologies have been used and should have a good understanding of the same.

Secondary Skills

• Knowledge .Net Core, WEB API framework
• Knowledge of HTML and CSS
• SQL Server and PL/SQL
• Understanding of Design Patterns

Interpersonal Skills

1. Good in communications (Verbal and Written)
2. Should have worked individually or in team

Job Description :

• In-depth understanding of the entire web development process (design, development and deployment)
• Experience building complex web application.
• Hands on experience with programming stacks like MEAN, MERN, LAMP
• Participate in software/product development from ideation to deployment and beyond.
• Should have good knowledge on build tools like Maven, NPM, NODEJS.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers; awareness of cross-browser compatibility issues and client-side performance considerations
• Should have a good understanding of database concepts.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with code versioning tools (such as Git, VSTS)
• Working knowledge of Agile/SCRUM development methodologies and best practices.
• Ability to understand business requirements and translate them into technical requirements
• Working on Cloud[AWS/Azure] based environment is a huge plus
• Recommending new policies, approaches, and procedures.

Responsibilities :

• Ability to work with project delivery goal as mindset.
• Use advanced modelling tools & techniques to build full stack applications.
• Strong understanding on how to document and create a functional plan for complex project.
• Knowledge of creating Information Architecture, Server Architecture & State-flow diagram to better understand complex project.
• Ability to take risks, strive for learning & implementing new practice with maintaining project deliverables.
• Be seen as a leader for a group of engineers working to quickly design, prototype and build new features per requirement.
• Strong ability to handle a naive team & able to get the required output delivered.
• Build scalable/reusable code and libraries for future use.
• Interact with other team leads and departments to accomplish a project requirement.