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.

Founding Engineer - LITMAS

About LITMAS

LITMAS is revolutionizing litigation with the first AI-powered platform built specifically for elite litigators. We're transforming how attorneys research, strategize, draft, and win cases by combining comprehensive case repositories with cutting-edge AI validation and workflow automation. We are a team incubated by experienced litigators, building the future of legal technology.

The Opportunity

We're seeking a Founding Engineer to join our core team and shape the technical foundation of LITMAS. This is a rare opportunity to build a category-defining product from the ground up, working directly with the founders to create technology that will transform the US litigation market.

As a founding engineer, you'll have significant ownership over our technical architecture, product decisions, and company culture. Your code will directly impact how thousands of attorneys practice law.

What You'll Do

• Architect and build core platform features using Python, Node.js, Next.js, React, and MongoDB
• Design and implement production-grade LLM systems with advanced tool usage, RAG pipelines, and agent architectures
• Build AI workflows that combine multiple tools for legal research, validation, and document analysis
• Create scalable RAG infrastructure to handle thousands of legal documents with high accuracy
• Implement AI tool chains to provide agents tool inputs
• Design intuitive interfaces that make complex legal workflows simple and powerful
• Own end-to-end features from conception through deployment and iteration
• Establish engineering best practices for AI systems including evaluation, monitoring, and safety
• Collaborate directly with founders on product strategy and technical roadmap

The Ideal Candidate

You're not just an AI engineer, you're someone who understands how to build reliable, production-grade AI systems that users can trust. You've wrestled with RAG accuracy, tool reliability, and LLM hallucinations in production. You know the difference between a demo and a system that handles real-world complexity. You're excited about applying AI to transform how legal professional’s work.

What We're Looking For

Must-Haves

• Deployed production-grade LLM applications with demonstrable experience in:
• Tool usage and function calling
• RAG (Retrieval-Augmented Generation) implementation at scale
• Agent architectures and multi-step reasoning
• Prompt engineering and optimization
• Knowledge of multiple LLM providers (OpenAI, Anthropic, Cohere, open-source models)
• Background in building AI evaluation and monitoring systems
• Experience with document processing and OCR technologies
• 3+ years of production experience with Node.js, Python, Next.js, and React
• Strong MongoDB expertise including schema design and optimization
• Experience with vector databases (Pinecone, Weaviate, Qdrant, or similar)
• Full-stack mindset with ability to own features from database to UI
• Track record of shipping complex web applications at scale
• Deep understanding of LLM limitations, hallucination prevention, and validation techniques

Tech Stack

• Backend: Node.js, Express, MongoDB
• Frontend: Next.js, React, TypeScript, Modern CSS
• AI/ML: LangChain/LlamaIndex, OpenAI/Anthropic APIs, vector databases, custom AI tools
• Additional: Document processing, search infrastructure, real-time collaboration

What We Offer

• Significant equity stake true ownership in the company you're building
• Competitive compensation commensurate with experience
• Direct impact your decisions shape the product and company
• Learning opportunity work with cutting-edge AI and legal technology
• Flexible work remote-first with a global team
• AI resources access to latest models and compute resources

Interview Process

One more thing: Our process includes deep technical interviews and fit conversations. As part of the evaluation, there will be an extensive take-home test that should expect to take at least 4-5 hours depending on your skill level. This allows us to see how you approach real problems similar to what you'll encounter at LITMAS.

MERN STACK DEVELOPER

ABOUT US

Datacultr is a global Digital Operating System for Risk Management and Debt Recovery, we drive Collection Efficiencies, Reduce Delinquencies and Non-Performing Loans (NPL’s). Datacultr is a Digital-Only provider of Consumer Engagement, Recovery and Collection Solutions, helping Consumer Lending, Retail, Telecom and Fintech Organizations to expand and grow their business in the under-penetrated New to Credit and Thin File Segments.

We are helping millions of new to credit consumers, across emerging markets, access formal credit and begin their journey towards financial health. We have clients across India, South Asia, South East Asia, Africa and LATAM.

Datacultr is headquartered in Dubai, with offices in Abu Dhabi, Singapore, Ho Chi Minh City, Nairobi, and Mexico City; and our Development Center is located out of Gurugram, India.

ORGANIZATION’S GROWTH PLAN

Datacultr’s vision is to enable convenient financing opportunities for consumers, entrepreneurs and small merchants, helping them combat the Socio-economic problems this segment faces due to restricted access to financing.

We are on a mission to enable 35 million unbanked & under-served people, access financial services by the end of 2026.

Position Overview

We are looking for a talented and enthusiastic MERN Stack Developer to join our development team. As a MERN developer, you will be responsible for building and maintaining full-stack web applications using MongoDB, Express.js, React.js, and Node.js.

Core Responsibilities

• Develop, test, and maintain full-stack web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Design and implement robust, scalable, and secure RESTful APIs and backend services.
• Collaborate with UI/UX designers to build responsive, intuitive, and user-friendly web interfaces.
• Optimize applications for performance, speed, and scalability.
• Write clean, well-documented, and maintainable code following best practices.
• Participate in code reviews, team discussions, and agile ceremonies to ensure high-quality software delivery.
• Bonus skills: Familiarity with TypeScript, Docker, and CI/CD pipelines is a strong plus.
• Experience with cloud platforms such as AWS will be considered an added advantage.

Key Requirements

• 1 – 2.5 years of hands-on experience in full-stack development using the MERN stack.
• Proficiency in React.js, Node.js, Express.js, and experience with both PostgreSQL and MongoDB.
• Strong foundation in JavaScript, along with HTML5 and CSS3.
• ·Experience integrating and working with REST APIs and third-party APIs.
• ·Familiarity with Git and collaborative version control workflows.
• ·Solid problem-solving, debugging, and analytical skills.
• · Experience working in an Agile/Scrum development environment.

What We Offer

•  Opportunity to shape the future of unsecured lending in emerging markets
•  Competitive compensation package
•  Professional development and growth opportunities
• Collaborative, innovation-focused work environment
• Comprehensive health and wellness benefits

Location & Work Model

• Immediate joining possible 
• Work From Office only
• Based in Gurugram, Sector 65

OpenGov is home to an exceptional team - passionate about our mission to power more effective and accountable government. By bringing the OpenGov Cloud to our nation's state and local government, we’re transforming communities so they can thrive! 

Imagine yourself being able to help small business owners open their doors faster, ensuring our tax dollars are accounted for, creating safer infrastructure, modernizing the permitting process, and assisting with disaster recovery. The work you do here every day has a meaningful impact on people's lives!

🌟 OpenGov is a 2023 Top Workplaces USA award winner and a Forbes America's Best Startup Employer 🌟

Join our smart, fun, and humble team to experience the most rewarding career of your life!

Job Summary:

As a  Software Engineer II  at OpenGov, you'll build best-in-class SaaS solutions that enable efficiency, transparency, and accountability within government agencies. You'll be a key member of our engineering team, delivering new features and improvements in a fast-paced, agile environment using modern technologies, including ReactJS, Javascript, GraphQL, and NodeJS.

A typical day in this role would provide opportunities to design, implement and optimize complex applications for speed and scalability, and resolve various unique technical challenges. Strong collaboration skills with the product, UX, and platform engineers coupled with the ability to execute quickly will enable your success.

Responsibilities:

• Develop, test, and deploy high-quality software with minimum supervision
• Write clean, efficient, and well-documented code following industry best practices.
• Troubleshoot, debug, and resolve complex technical issues.
• Contribute to continuous improvement and operational excellence 
• Participate in code reviews to ensure code quality and adherence to coding standards.
• Stay up-to-date with emerging technologies and industry trends to drive innovation within the team
• Contribute to OpenGov’s Engineering culture of innovation, leading-edge technology adoption and quality

Requirements and Preferred Experience:

• BA/BS in a computer-science-related discipline or equivalent experience required
• 3+ years of professional experience in developing cloud native applications.
• Proficiency in Java or C++ or C# or equivalent program language is required.
• Proficiency in Python, JavaScript, ReactJS, and NodeJS is required 
• Proficiency in data structures, database concepts, algorithms and observability is required
• Working knowledge of event-driven architecture and Kafka preferred
• Working knowledge of ElasticSearch/OpenSearch preferred

What makes OpenGov unique

» Leadership: CEO Zac Bookman (MPA from Harvard and JD from Yale) is truly a mission-driven CEO. He was named one of the 100 most Intriguing Entrepreneurs by Goldman Sachs, a Tech Pioneer by the World Economic Forum, and SF and Silicon Valley Business Times' 40 under 40 class of 2018!

» Growth: Record breaking growth with 1,800+ governments (and counting) using our products. Click here for read more.

» Culture: Winner of 2023 Top Workplaces USA award, Awarded Top 25 Cloud Companies to Work For, Winner of Forbes 2022 Best Startup Employers, 50 Best Workplaces award. Check out our Careers Video!

» Product: Named to the GovTech 100 (seven consecutive years), we are the leader in cloud software for our nation's cities, counties, and state agencies.

» Mission Driven: We are a technology company with a passion for the mission. We're powering more effective and accountable government.

Come join us and make a positive social impact!

OpenGov is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

We are seeking an experienced Lead Full Stack Developer with a strong background in the MERN stack and serverless technologies. The ideal candidate will have a minimum of 6 years of experience in software development, with significant expertise in both relational (RDBMS) and NoSQL databases. You will lead a team in designing and developing scalable, high-quality solutions while ensuring best practices are followed throughout the development lifecycle.

Responsibilities:

• Develop and maintain scalable backend services using Node.js and serverless technologies such as AWS Lambda, Google Cloud Functions, or Azure Functions.
• Architect and implement front-end solutions using React.js, ensuring seamless integration with backend services.
• Design, implement, and optimise both relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
• Translate business requirements into robust, efficient technical solutions.
• Conduct code reviews to maintain high standards of code quality, performance, and maintainability.
• Stay updated with the latest trends and advancements in the MERN stack, serverless architectures, and cloud platforms.
• Lead and mentor a team of developers, providing technical guidance and fostering a collaborative environment.
• 
  

Requirements:

• Minimum of 6 years of professional experience in software development, with at least 6 years specifically in the MERN stack.
• Proven leadership experience in managing and mentoring development teams.
• Proficiency in Node.js, Express.js, React.js, and MongoDB.
• Hands-on experience with serverless architectures, including AWS Lambda, Google Cloud Functions, or Azure Functions.
• Strong understanding of RDBMS (PostgreSQL, MySQL) and NoSQL databases (MongoDB).
• Solid understanding of RESTful APIs, microservices architecture, and cloud platforms.
• Excellent problem-solving, debugging, and collaboration

Additional Skills:

• Experience with GraphQL, Docker, and Kubernetes is a plus.
• Contributions to open-source projects are highly valued.
• Understanding of DevOps practices and CI/CD pipelines.

Fuzen is a no-code SaaS platform founded and backed by IIT alumni.

We help non-technical SaaS founders bring their product ideas to life at ZERO upfront cost. We are building a marketplace of simple SaaS apps by helping founders to build products with our no-code platform.

The majority of our customers come from traditional industries like - construction, engineering, transportation, consulting etc. and we have recently received seed funding from angel investors.

We are looking for software developers who are good at problem-solving and are interested in product building.

1. Write clean, maintainable, and efficient code
2. Design robust, scalable and secure systems
3. Contribute to all phases of the development lifecycle
4. Follow best practices (test-driven development, continuous integration, SCRUM, refactoring, and code standards)
5. Drive continuous adoption and integration of relevant new technologies into the design.
6. You will be expected to work on Ruby On Rails, React JS, AWS, Heroku, Google Cloud and 3rd party API integrations.

IMPORTANT - Fuzen is an early-stage startup. The work culture is fast-paced and challenging. The job will be demanding and will offer a lot of learning. You should apply only if all of this excites you.

Searce means ‘a fine sieve’ & indicates ‘to refine, to analyze, to improve’. It signifies our way of working: To improve to the finest degree of excellence, ‘solving for better every time. Searcians are passionate improvers & solvers who love to question the status quo.

The primary purpose of all of us, at Searce, is driving intelligent, impactful & futuristic business outcomes using new-age technology. This purpose is driven passionately by HAPPIER people who aim to become better, every day.

Searce is a modern tech consulting firm that empowers clients to futurify their businesses, leveraging Cloud, AI & Analytics.

1. We are a category-defining niche’ cloud-native technology consulting company, specializing in modernizing (improving, automating & transforming) the full scope of infra, app, process & work.
2. We partner with clients in their ‘beyond x’ journey to drive intelligent, impactful & futuristic business outcomes. 
3. We are the most preferred tech partner of choice when it comes to ‘solving for better for the new-age tech startups & digital enterprises, leading disruption in their industries.
4. Our Service Offerings: We offer Advanced Cloud, Data & App Modernization, Cloud Consulting, Management & Improvement (DevOps, SysOps & Cloud Managed Services), Applied AI & Analytics services. 
5. As one of the top 5 niches’ full-scope global partners for Google Cloud & a preferred partner for AWS, we are the most preferred ‘engineering-led tech company of choice when it comes to solving complex business problems.

1. Own product development - This includes setting up and managing weekly sprints to deliver on product goals
2. Work closely with product management to define project scope, priorities, and timelines
3. Highly technical, hands-on hacker and an effective people manager.
4. Roll up the sleeves and code alongside the team.
5. The primary interface for the engineering team to the business users and clients.
6. Expand existing, and implement industry-best software engineering practices.
7. You will hire, manage and mentor - Retain & lead engineering talent & geeks to expand a cohesive and powerful team
8. Strive for excellence in customer experience, technology, methodology, and execution
9. Enjoy providing frequent and constructive feedback.
10. Define and influence product roadmap and deployment strategy
11. Architect and implement new features that increase engagement
12. Ensure the technical feasibility of UI/UX designs. 
13. Collaborate with other team members and stakeholders. 
14. Review and optimize app usage by monitoring key metrics and rectifying the issues proactively. 
15. An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology

Our technology stack is sane and the role requires strong demonstrated experience and understanding of the below technologies:

Qualification

1. Is Education overrated? Yes. We believe so. But there is no way to locate you otherwise. So we might look for at least a Bachelor’s or Master’s degree in Engineering (Computer Science). 
2. Or else, you should be programming from 12. For us, the latter is better as it shows you have a programming mindset. We will find you faster if you specify the latter in some manner. :) 
3.  3-6 years of relevant work experience. 
4. Proficient understanding of MongoDB, Express.js, React Js, Node.js 
5. React Hooks and Lifecycle methods: In-depth understanding is necessary
6. Redux: Should be able to create, update and manage
7. Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS. 
8. Proficient understanding of client-side scripting and JavaScript,TypeScript, JavaScript frameworks , including jQuery, MySQL & NoSQL. 
9. Good understanding of asynchronous request handling, partial page updates, and AJAX.
10. Proficient understanding of code versioning tools, such as Git / Bitbucket / SVN.
11. Experience working and building RESTful APIs. 

• 3+ years of extensive experience in developing the Single Page Application with Web responsive design for mobile and web using Angularjs or Nodejs / React JS, HTML 5, CSS 3 and Bootstrap.
• Thorough understanding of React.js and its core principles.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience with common front-end development tools such as Babel, Webpack, NPM, yarn, etc.
• Node JS & software engineering experience
• Familiarity with newer specifications of EcmaScript (ES6)
• Knowledge of AWS services like Lambda, RDS and Dynamo
• Understanding of non-relational databases such as CouchDB and MongoDB
• Working experience with MySQL