Full-Stack Developer Intern

Xynvia; Bengaluru; Hybrid; INR 180,000 - 300,000; Part time

Job summary

Xynvia is hiring a Full-Stack Developer Intern for a hybrid role based in Kozhikode. You will contribute to building interfaces, APIs and data models across our products and client systems.

This internship emphasizes learning, code quality and practical collaboration within an engineering team. Ideal candidates bring a portfolio or at least one complete web application demonstrating frontend, backend and database integration, plus a willingness to learn and iterate on feedback from peers and

Qualifications

• At least one complete web application or portfolio demonstrating frontend, backend and database integration.
• Show us how you think, what you have built or learned, and how you improve work after feedback.
• A production-quality feature delivered across interface, API and data layers.
• Accessible responsive behavior across device sizes.
• Tests and documentation that let another engineer maintain the work.

Responsibilities

• 01Develop responsive, accessible web interfaces from product requirements and design specifications.
• 02Build and integrate secure APIs, forms and data-driven workflows.
• 03Work with relational databases, authentication and role-aware application logic.
• 04Write maintainable code, focused tests and concise technical documentation.
• 05Participate in code review, debugging and production-readiness checks.

Skills

JavaScript/TypeScript

React

REST API development

SQL / relational databases

HTML/CSS / responsive design

Git / debugging

Education

Internship program or foundation

Tools

Next.js

Node.js

PostgreSQL

Supabase

Firebase

Job description

Full-Stack Developer Intern

Build reliable product experiences across interfaces, APIs, data models and integrations for Xynvia products and client systems.

Location

Kozhikode · Hybrid

Role details

All careers

Open role / Internship

InternshipIntermediate foundation

Ready to contribute. Still ready to learn.

At least one complete web application or a credible portfolio demonstrating frontend, backend and database integration.

What matters most

Show us how you think, what you have built or learned, and how you improve work after feedback.

Responsibilities

What you will own.

• 01Develop responsive, accessible web interfaces from product requirements and design specifications.
• 02Build and integrate secure APIs, forms and data-driven workflows.
• 03Work with relational databases, authentication and role-aware application logic.
• 04Write maintainable code, focused tests and concise technical documentation.
• 05Participate in code review, debugging and production-readiness checks.

Intermediate skills

What you should bring.

• Intermediate JavaScript or TypeScript and asynchronous programming
• Working React knowledge including state, forms and component composition
• REST API development, validation and error-handling fundamentals
• SQL data modelling and relational database basics
• Responsive HTML/CSS, Git and structured debugging

Useful, not required: Experience with Next.js, Node.js, PostgreSQL, Supabase, Firebase, testing libraries or cloud deployment is useful.

Early outcomes

What good progress looks like.

01 A production-quality feature delivered across interface, API and data layers

02 Accessible responsive behavior across agreed device sizes

03 Tests and documentation that let another engineer maintain the work

Hiring path

Clear and role-relevant.

01

Application review

Resume, portfolio and evidence of practical ability.

02

Working conversation

Your thinking, interests and relevant experience.

03

Practical review

A focused task or work sample when useful for the role.

04

Final alignment

Scope, expectations, location and next-step clarity.

The sequence may vary by role. Xynvia does not ask candidates to complete unpaid production work.

Interested / apply directly

Bring the work that shows your thinking.

Attach your resume and include a portfolio, GitHub, case study or relevant work sample where available.