Lead Software Developer

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

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.

Job Description Summary

You’ll join the Users Squad, a critical engineering team responsible for some of the most important capabilities on the ABC Glofox platform. The team owns core user, account, authentication, permissions, and member-management experiences that are fundamental to how studios and their staff interact with the platform. The Users Squad works on capabilities including authentication, MFA, permissions, member transfers, family accounts, global search, and restricted member profiles. These are high-impact platform services used across the product, requiring strong attention to security, reliability, scalability, and user experience. As a Lead Software Developer, you’ll help set technical direction for the Users domain, lead complex backend initiatives, mentor engineers, and partner closely with Product and other engineering squads. You’ll also contribute to cross-team initiatives such as splitting the Core API and API Gateway.

WHAT YOU’LL DO
• Provide technical leadership and guidance across the Users Squad.
• Mentor engineers through design reviews, pairing, thoughtful feedback, and technical coaching.
• Design and develop reliable backend services using Golang and other appropriate technologies.
• Own complex technical problems from discovery and design through delivery, operation, and continuous improvement.
• Help define and evolve the technical direction for user, account, authentication, and permissions capabilities.
• Contribute to authentication and security-related features, including login, MFA, and the permissions service across frontend and backend.
• Work on account capabilities including:
Leads and client management;
Staff and user details;
Family accounts.
• Build and improve global features including:
Categories;
Global search;
User-related settings;
Restricted member profiles;
• Contribute to orchestration capabilities such as member transfers.
• Work with an energised, fun, friendly, and customer-focused cross-functional team.
• Collaborate with designers, developers, product managers, testers, and partner squads to transform ideas into unique, human experiences for fitness entrepreneurs.
• Contribute to cross-team platform initiatives, including the separation of the Core API and API Gateway.
• Use modern Agile and Lean ways of working underpinned by DevOps and CI/CD.
• Use AI coding tools as part of normal delivery while maintaining ownership of design decisions, code quality, testing, and what reaches production.
• Reduce repeated manual work through automation and AI-assisted tooling, applying appropriate review and test standards to anything those tools produce.

WHAT YOU’LL NEED

• Bachelor’s degree in Computer Science or a relevant field preferred.
• 6+ years of experience with a general-purpose programming language.
• Proven experience owning complex backend features, services, or platform capabilities.
• Strong experience designing and building production software and APIs.
• Experience leading technical direction and influencing engineering decisions across a team or domain.
• Hands-on experience using AI coding assistants or agents to deliver production software, including reviewing and testing generated output.
• Strong understanding of practical Agile, Lean, and Continuous Delivery methods.
• Knowledge of modern quality and testing principles.
• Strong written and verbal communication skills.
• Comfortable mentoring engineers and partnering closely with Product and other technical teams.
• Comfortable learning new technologies and systems.
• Experience working on systems where security, permissions, authentication, and reliability are important considerations.

AND IT’S GREAT TO HAVE

• Experience with Golang, Java, PHP, or similar backend technologies.
• Experience with authentication, MFA, permissions, or identity-related systems.
• Experience with high-throughput APIs, event-driven architectures, or distributed systems.
• Experience with MySQL or other relational databases.
• Experience with file or asset-upload systems.
• Experience with global search, member-management, or account-management domains.
• Experience working across multiple engineering squads on platform initiatives.
• Experience integrating with third-party services such as Mailchimp.





Compensation for this role will be determined based on a variety of factors, including relevant experience, qualifications, skills, geographic location, and market considerations. The anticipated compensation range for this position is -

290,000.00 - 330,000.00 PLN- annually. In addition to base compensation, eligible employees may be offered other forms of compensation, such as bonuses, commissions, equity, or other incentive programs, where applicable. Compensation and benefits may vary by location and are subject to applicable legal, business, and market requirements.



WHAT’S IN IT FOR YOU:

• Purpose led company with a Values focused culture – Best Life, One Team, Growth Mindset
• Time Off – with our open PTO policy, you pick when you want time off when it’s best for you!
• Days of Disconnect – once a quarter, we take a collective breather and enjoy a day off together around the globe. #oneteam
• Parental & Pawternity Leave – we offer leave for when your family grows by two feet or four paws!
• Fitness Perk – we are committed to meeting you wherever you are in your fitness journey with a quarterly reimbursement.
• Discounts – access to discounts with our partners, such as Dell, Microsoft & many more.
• Medical/Dental/Vision coverage.
• EAP – we get you help when you need it. Period.
• Calm App +4 – enjoy tranquility with a Calm App subscription for you and up to 4 dependents over the age of 16.
• And more! – so many benefits we couldn’t even fit them all here!

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.

#LI-REMOTE