Front-End Developer Intern

Join ABC Fitness and become part of a culture that’s as ambitious as it is authentic. Let’s transform the future of fitness—together!

Our Values

Best Life

We believe great work begins with great people. That’s why our culture is built on respect, trust, and belonging. We create an inclusive environment where every team member can bring their authentic self to work—because diverse perspectives drive innovation and meaningful impact.

Growth Mindset

We are doers, thinkers, and dreamers. At ABC Fitness, your growth is our investment. Through continuous learning, mentorship, and professional development opportunities, we empower you to reach new heights—personally and professionally.

One Team

From day one, you’ll be part of a team that collaborates, celebrates, and cares. We move fast, support one another, and have fun along the way. Because when you thrive, we all thrive.

Trainerize, powered by ABC Fitness Solutions (www.trainerize.com), is looking for a Software Development Intern to join our growing development team. This is an exciting opportunity to contribute to a fast-growing technology company making waves in the fitness industry.
Trainerize customers are fitness businesses and professionals, and our goal is to make them more accessible to more people around the world. As an integral part of ABC Fitness Solutions’ club management platform, Trainerize enables fitness businesses to train, coach, motivate, and hold clients accountable as they work toward their goals.
This position is 100% remote.
We are looking for motivated students who bring fresh thinking, innovation, and diverse perspectives to our engineering team.
WHAT YOU’LL DO
As a Software Development Intern, you will contribute to real production initiatives and collaborate closely with experienced engineers. Responsibilities include:

• Design and build web applications using TypeScript, JavaScript, React.js, jQuery, HTML, and CSS

• Collaborate with cross-functional team members to design, develop, test, and ship new features

• Participate in code reviews and assist with pull/merge requests

• Work with senior developers to break down tasks and provide effort estimates

• Identify bottlenecks, troubleshoot issues, and fix bugs

• Help maintain code quality, organization, and automation processes

• Integrate front-end applications with RESTful APIs and back-end services

WHAT YOU’LL NEED

• Currently pursuing a Bachelor’s degree in Computer Science, Software Engineering, or a related field

• Academic or project experience with JavaScript/TypeScript and React.js

• Familiarity with modern JavaScript (ES6+)

• Basic understanding of RESTful APIs and client-server architecture

• Experience using Git or other version control systems

• Strong problem-solving and analytical skills

• Clear written and verbal communication skills

• Self-motivated, organized, and comfortable working in a collaborative, fast-paced environment

NICE TO HAVE

• Experience with NPM and modern front-end tooling

• Exposure to RxJS or reactive programming concepts

• Experience contributing to team-based software projects (academic, open source, or internships

WHAT’S IN IT FOR YOU:

• Purpose led company with a Values focused culture – Best Life, One Team, Growth Mindset

• A fast-growing & fast-paced start-up culture prime for the picking. It’s a vibe!

• And more!

Work Authorization: We cannot offer employer sponsorship at this time; candidates must be eligible to work in the US for full-time employment.

At ABC Fitness, we don’t just build technology—we build communities and transform lives. Your work matters here, your growth is supported, and your voice is heard. We welcome diverse talent and encourage you to apply, even if you don’t meet every requirement.

ABC’S COMMITMENT TO DIVERSITY, EQUALITY, BELONGING AND INCLUSION: 

ABC is an equal opportunity employer committed to diversity, equity, and inclusion. We strive to create a workplace where every employee, client, and partner feels valued, inspired, and empowered to reach their full potential. For us, inclusion isn’t just the right thing to do—it’s a business imperative. Learn more at abcfitness.com

About ABC Fitness

ABC Fitness is the #1 software provider for fitness businesses of any size, all around the world. Supporting 30K clubs, 650K coaches, 40M members, and processing more than $12B in payments every year, ABC Fitness provides scalable, data-driven solutions to simplify club management and engage members and clients.

From personal trainers, boutique studios, and gyms, to international franchise health clubs, ABC Fitness will move your business forward through technology and industry insights. Innovation is at the center of everything we do, across ABC Glofox, ABC Ignite, ABC Trainerize, and ABC Evo. Let's make your fitness vision a seamless reality, together. Learn more at abcfitness.com

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