Software Engineer (Unpaid)

Must be a U.S. Citizen and located in the U.S. This is an unpaid experience.Software Engineering Intern

We’re looking for a highly motivated Mobile Software Engineering Intern who wants hands-on experience building and launching a real product across Android, iOS, Flutter, and web.

This is an unpaid internship for someone who already has a foundation in software development, learns quickly, works independently, and wants to contribute to a product that will actually ship.

Company Description

SideKix HQ Inc. is an emerging platform created by entrepreneurs to support and empower other entrepreneurs at every stage of their journey. The company focuses on helping individuals begin, build, and grow their ventures with practical tools and community-driven support. SideKix is in a pre-launch phase and is actively building its core product and infrastructure. Applicants will join a small, mission-driven team working on an early-stage product with room for input and innovation. Interested contributors can help shape the platform as it moves toward launch and broader adoption.

Role Description

The

Software Engineer (Unpaid)

role at SideKix HQ Inc. is a

part-time, remote

position focused on building and improving the platform’s back-end systems and core product features. The Software Engineer will work closely with founders and other team members to translate product requirements into technical solutions and iterate quickly based on feedback. This position is ideal for individuals seeking hands-on experience in an entrepreneurial environment while contributing to a growing startup.

What You’ll Do

• Build and improve features across

  Flutter, native Android with Kotlin, and native iOS with Swift/SwiftUI

  .

• Work within our existing Flutter codebase to

  build features, fix bugs, improve performance, and refactor existing functionality

  .

• Help develop and maintain

  native Android and iOS functionality

  and platform-specific integrations.

• Translate

  Figma designs into polished, responsive, production-ready experiences

  .

• Integrate

  APIs, authentication, AI and voice features, notifications, analytics, and cloud services

  .

• Contribute to

  testing, debugging, code reviews, App Store and Google Play releases, and ongoing product improvements

  .

• Take ownership of assigned features and technical problems and be comfortable

  figuring things out without needing step-by-step direction

  .

• Depending on experience, contribute to

  website and web application development

  using React and related technologies.

What You Bring

• Working experience with

  Flutter and Dart

  , whether through professional, academic, freelance, or substantial personal projects.

• Experience with

  Kotlin and Android development

  , ideally including Jetpack Compose.

• Experience with

  Swift, SwiftUI, and native iOS development

  .

• Understanding of

  APIs, Git/GitHub, debugging, application architecture, and modern development workflows

  .

• An

  independent, action-oriented mindset

  with the ability to learn unfamiliar technologies quickly and solve problems.

• Bonus:

  Experience with

  React, TypeScript, or modern web development

  .

What You’ll Gain

You won’t spend the internship working on hypothetical assignments. You’ll contribute to a

real product as it moves through development, launch, and iteration

.

You’ll gain hands-on experience with

production mobile development, AI-powered and voice experiences, cross-platform engineering, App Store and Google Play releases, web development, and startup product development

while building meaningful work you can point to in your portfolio and career.

Internship:

Unpaid

Focus:

Mobile Software Engineering

Core:

Flutter/Dart • Kotlin/Android • Swift/SwiftUI - React