AI Full-Stack Developer Intern

🚀 We’re Hiring: Full-Stack Developer Intern | Hybrid – Mumbai
Proxsoft Technologies – Nexus AI is looking for a Full-Stack Developer Intern to join our team and work on a real product used in live financial workflows.
This is a hybrid role based in Mumbai, with work from the office twice a week. Mumbai-based applicants are especially encouraged to apply.
If you’re someone who enjoys building things end-to-end, debugging real problems, understanding how systems work, and taking ownership of your code, this could be a great opportunity for you.
🏗️ About Nexus AI
Nexus AI is an accounts-payable platform built specifically for the construction industry.
The platform processes invoices received through email or upload, uses an AI pipeline to extract information, matches invoices against purchase orders, and posts the resulting data into the customer's ERP system.
This means you'll be working on a live product where accuracy, reliability, security, and good engineering practices genuinely matter.
💻 What You'll Work On
As a Full-Stack Developer Intern, you will work across both the frontend and backend, including:
Building, debugging, and improving product features
Working with TypeScript, Next.js, React, Node.js, and PostgreSQL
Working with Supabase, Azure, REST APIs, Vercel, and Git
Working on authentication and authorization
Understanding and maintaining multi-tenant systems and data isolation
Working on ERP integrations and ensuring accurate data flow
Diagnosing and closing real product defects
Testing your own work before handing it over
Reading and understanding existing code before introducing new solutions
🔍 What We're Looking For
We're looking for someone who already has a solid foundation in software development and can build and debug something end-to-end.
You should have:
Strong programming and problem-solving fundamentals
A working understanding of SQL
Familiarity with Git and pull-request workflows
Understanding of authentication and authorization concepts
Ability to debug and independently investigate issues
Good understanding of frontend and backend development
Strong attention to detail and ownership of your work
Willingness to learn quickly and openly communicate when you're unsure about something
Nice to have:
Experience with an ERP, accounting, or financial system
Experience with Azure or another major cloud platform
Experience building applications that have real users
🤖 We Use AI. You Should Too.
We actively use AI to help us write and develop code.
However, using AI isn't a substitute for understanding the code.
You should be able to read AI-generated code, explain why it works, identify unintended changes, and take responsibility for what ultimately goes into the product.
📌 Internship Details
Duration: 3 Months
Mode: Hybrid – Mumbai, with work from the office twice a week
Location: Mumbai
Stipend: ₹8,000 – ₹20,000/month
Reports To: Product Owner
After Internship: Full-time opportunity or completion with a certificate, based on performance
Mumbai-based applicants are encouraged to apply.
We don't believe in keeping interns indefinitely. At the end of the internship, there will be a clear decision based on your performance and fit.
If you're looking for an internship where you can work on real software, solve real problems, and be trusted with meaningful engineering work, we'd love to hear from you.
📩 Apply at: hr@proxsoft.co.in
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Work arrangement
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