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App Developer Intern Jobs in San Juan, PR (NOW HIRING)

Software Developer - Intern

Caguas, PR · On-site

$18.75 - $24.50/hr

Experience building a well-designed iPhone App on the AppStore Responsibilities * Be curious * Love the startup environment * Code elegantly * Work well in a team environment * Be capable of working ...

App Developer Intern information

See San Juan, PR salary details

$11

$22

$38

How much do app developer intern jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for app developer intern in San Juan, PR is $22.45, according to ZipRecruiter salary data. Most workers in this role earn between $18.17 and $23.80 per hour, depending on experience, location, and employer.

What is an app developer intern?

An App Developer Intern is a temporary position where individuals gain hands-on experience in designing, coding, testing, and maintaining mobile or web applications. Interns typically work under the guidance of senior developers, learning best practices in app development, debugging, and UI/UX design. They may collaborate with teams to develop new features, fix bugs, and optimize app performance. This role helps build technical skills and industry experience, often serving as a stepping stone to a full-time development job.

What are the typical responsibilities of an app developer intern?

As an App Developer Intern, you can expect to assist with coding, debugging, and testing mobile applications under the guidance of experienced developers. You may work on adding new features, fixing bugs, updating existing app interfaces, or writing documentation for code. Collaboration is important, so you’ll attend team meetings, participate in code reviews, and communicate progress or obstacles with your mentors. This hands-on experience is designed to help you develop your technical skills while understanding how professional app development projects are managed.

What are the key skills and qualifications needed to thrive as an app developer intern?

To thrive as an App Developer Intern, you typically need a solid understanding of programming languages such as Java, Swift, or Kotlin, as well as coursework or experience in computer science or software development. Familiarity with tools like Android Studio, Xcode, source control systems like Git, and exposure to mobile app frameworks is commonly expected. Strong problem-solving skills, effective communication, eagerness to learn, and the ability to collaborate within a team will help set you apart. These competencies are crucial for contributing to real development projects, adapting to fast-paced environments, and learning from experienced developers.

Infographic showing various App Developer Intern job openings in San Juan, PR as of June 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $46,695 per year, or $22.4 per hour.

Software Developer - Intern

Tainoapp

Caguas, PR • On-site

$18.75 - $24.50/hr

Full-time, Internship

Re-posted 8 days ago


Job description

Overview
TainoApp is a small, fast-moving company working to enable brands to connect with their customers on across all mobile devices. We're an energetic, passionate, and technology-loving team of entrepreneurs looking for more like-minded people to join us. You have the opportunity to make a dramatic impact and shape the future of our company. We're also one of the few true tech companies in Puerto Rico where you'll get a chance to work on something awesome, not just another enterprise solution using old technology.
For the techies, here is a list of some of the cool technologies we use:
* A lot of JavaScript
* Nginx/Tornado/Python
* MongoDB
* More JavaScript
* iPhone/iPad Development (Objective-C)
* Webkit-facing HTML5/CSS/AJAX
* Amazon Web Services
* Android Development (Java)
* Windows 8 Development (.Net)
* Some more JavaScript
A qualified mobile software developer candidate for us would be:
Languages:
+4 JavaScript
+3 for {Objective-C}
+2 for {Java/Android, .Net}
+1 for any of {Python, Ruby, Perl, PHP}
Infrastructure Musts:
+2 for any of Web Frameworks {Tornado, Django, Twisted, CherryPy, Rails, PHP, ...}
+1 for any of SQL: {MySQL, PostgreSQL, SQL Server, Oracle, ...}
Know This Other Stuff:
* Security
* Concurrency
* Optimization
* Memory Management
Work Style
* Startup Hours
* Startup Energy
* Scary Fast Learner
* Experience building a well-designed iPhone App on the AppStore
Responsibilities
* Be curious
* Love the startup environment
* Code elegantly
* Work well in a team environment
* Be capable of working independently on dev, but work together with rest of team on overall strategy and features
* Like french toast (we have brunch as a team on weekends)
* Ninja like ability to build and deploy scalable web apps
* Construct protocols to deliver a superb user experience
* Own your architecture, front-to-back
Compensation
Competitive Market Salary + Health Benefits + Stock Options