About Tripjoin
Tripjoin is a fast-growing startup reshaping how people travel. We are building the first
global marketplace for group trips
, empowering creators and communities to organize unique experiences while making it easy for travelers to join them. With +85,000 followers on social media and dozens of successful trips already organized, we are now scaling our platform internationally.
Role Overview
We are looking for a
Fullstack Developer Intern (React + + MongoDB)
eager to learn and grow in a dynamic startup environment. You will help us improve our marketplace platform by developing new features, optimizing performance, and collaborating closely with the founding team.
Responsibilities
* Build and maintain web features using
React +
on the frontend.
* Develop and optimize APIs and back-end services using
+ Express
.
* Work with
MongoDB
to design and manage scalable databases.
* Implement key platform integrations (bookings, payments, user management).
* Collaborate with product, design, and marketing teams to ship impactful features.
* Contribute to testing, debugging, and platform performance improvements.
Requirements
* Currently pursuing or recently graduated in Computer Science, Software Engineering, or related fields.
* Solid knowledge of
JavaScript/TypeScript
.
* Experience with
React
is a plus).
* Familiarity with
and
Express
.
* Basic understanding of
MongoDB
or other databases.
* Comfortable with Git/GitHub.
* Proactive mindset and interest in working in a startup.
Nice to Have
* Knowledge of authentication (JWT, OAuth).
* Experience with cloud hosting (AWS, GCP, or similar).
* Interest in travel, marketplaces, or community-driven platforms.
What We Offer
* A hands-on role where your code impacts real users from day one.
* Direct mentorship from the founding team.
* Flexible hours and remote-friendly setup.
* The chance to shape a global travel startup at an early stage.
* Possibility to transition into a full-time role.