MEAN Stack Developer - Team Lead

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Review Criteria:

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Must have strong experience in working on Typescript
• Must have experience in message-based systems like Kafka, RabbitMq, Redis
• Databases - PostgreSQL & NoSQL databases like MongoDB
• Product Companies Only
• Tier 1 Engineering Institutes (IIT, NIT, BITS, IIIT, DTU or equivalent)

Preferred:

• Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Experience in mentoring, coaching the team.

Role & Responsibilities:

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high-quality cloud-based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate:

• Thorough knowledge of developing cloud-based software including backend APIs and react based frontend.
• Thorough knowledge of scalable design patterns and message-based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, SQL etc.
• Experience with AWS services such as S3, IAM, Lambda etc.
• Expert level coding skills in Python FastAPI/Django, NodeJs, TypeScript, ReactJs.
• Eye for user responsive designs on the frontend.

Perks, Benefits and Work Culture:

• We prioritize people above all else. While we're recognized for our innovative technology solutions, it's our people who drive our success. That’s why we offer a comprehensive and competitive benefits package designed to support your well-being and growth:
• Medical Insurance with coverage up to INR 8,00,000 for the employee and their family

We're seeking a talented and motivated Full Stack Developer who is experienced in Node.js, React.js, and Laravel (PHP) to work on building high-performance web applications, APIs, SaaS platforms, and hosting tools. This role is perfect for someone who thrives in a dynamic environment and wants to contribute to modern, scalable platforms used by thousands of users.

Responsibilities

Develop and maintain full-stack applications using Node.js (backend), React.js (frontend), and Laravel (backend).

Design, implement, and document APIs and microservices for internal and customer-facing platforms.

Integrate third-party APIs, payment gateways, and other services as needed.

Collaborate with UI/UX designers to ensure a high-quality user experience.

Optimize applications for maximum speed and scalability.

Troubleshoot, debug, and upgrade existing software.

Participate in code reviews, sprint planning, and team meetings.

Technical & Professional
Requirements

• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developer should know Git Repository
• Integration of data storage solutions [RDBMS, NoSQL DB]

• Implementation of security and data protection
• Elementary knowledge of GRAPHQL
• Understanding of performance testing and optimization techniques
• MERN software developer must have good communication & interpersonal skills
• Ability to work independently with minimum supervision.

Type of Work

• 80% Backend 20% Frontend
• Building SAAS products inhouse and working on SI(System integrator) projects for other SAAS companies

• Graduation in computers –Full-time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).

Roles & Responsibilities:

•

Looking for a dynamic and self-driven professional for our role of Full Stack Developer.

•

The candidate should have a great attitude coupled with excellent tech skills.

•

Who could deliver the projects as per the expectations. You’ll be part of a dynamic development team and would be responsible for the full software development life cycle, from conception to deployment.

•

As a Full Stack Developer you should have hands-on experience in NodeJs, MongoDB, Expressjs & Reactjs/Nextjs/Angular.

•

Your responsibilities will also include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application.

•

You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation.

•

You are expected to take an active role on both sides and define how the application looks and how it works.

Technical responsibilities:

•

Execute on Software Engineering best practices for developing, unit testing, and deploying code.

•

Analyse & create requirements basis the discussions and understanding from various stakeholders.

•

Create clear technical specifications.

•

Analyze and create efficient deployment architecture.

•

Deploying code to production, tracking and debugging technical issues in production environment.

•

Define code architecture decisions to support a high-performance and scalable product with a minimal footprint.

•

Design and create advanced, elegant and efficient systems.

•

Writing and conducting unit test cases, system integration test cases and load test for the application features/APIs developed.

•

Work with your team to design and build software applications to function across multiple platforms.

•

Maintain and improve the website by developing new user-facing and mobile-based features.

•

Build reusable code and libraries for future use.

•

Validate the technical feasibility of UI/UX designs.

•

Optimize application for maximum speed and scalability.

•

Assure that all user input is validated before submitting to the back-end.

•

Conduct thorough testing of user interfaces in multiple platforms to ensure all designs render correctly and systems function properly.

•

Get feedback from, and build solutions for users and customers.

•

Write functional requirement documents and guides.

•

Ensure high-quality graphic standards and brand consistency.

•

Collaborate with other team members and stakeholders.

Desired Candidate Profile:

•

Bachelor’s degree or equivalent in Computer Science or Information Technology.

•

5-7 years software development experience.

•

In-depth understanding of the entire web development process (design, development, and deployment).

•

Good understanding of SEO principles.

•

A thorough understanding of computer architecture, operating systems and data structures.

•

Strong understanding of front-end coding and development technologies.

•

Extensive experience in NodeJS, Typescript, Express and React/ Nextjs/ Angular.

•

Proficient understanding of client-side scripting and JavaScript.

•

Work in JavaScript, Node.js, or frameworks such as React, Vue, or Angular

Requirement

1. 2+ Years of development experience in the full stack development (preferred MERN technology stack).
2. should be proficient in working with technologies like JavaScript, CSS, and JS with framework like NodeJs and ReactJS.
3. Strong skills and experience with programming, design, and architecture, and familiarity/experience with AWS and other cloud technologies.
4. Good Knowledge of APIs is a must.
5. Should have good knowledge of databases like Linux.
6. Experience working in an Agile/Scrum environment
7. Keen interest in emerging technologies with an aptitude to learn and adapt.
8. A basic understanding in  Java is a plus.

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.

1. Experience of design and/or development experience with .NET, C#, ASP.NET MVC, APIs, AngularJs and/or Angular, Windows Forms and SQL Server in an n-tier architecture.
2. Strong background in object-oriented development techniques
3. Solution Design Patterns and Best Practices, eg. SOA
4. Database design and development (Microsoft SQL Server)
5. Experience with APIs, Web Services, WCF and Service Oriented Architecture a plus
6. Experience with concurrent development source control (Git) and continuous integration.
7. Understanding of Software Development Life Cycle and Agile methodologies.