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.
RESPONSIBILITIES:
Work cross-functionally with Product/Design to translate ambiguous problems into measurable outcomes and shippable iterations. Lead the estimation of work at the quarterly level. Provide alternative solutions and negotiate with Product Management.
Build and ship LLM-powered product capabilities end-to-end: APIs, orchestration logic, integrations, and production rollouts
Design and implement agentic workflows (tool use, planners/routers, multi-step reasoning, handoffs, memory/state management) using modern orchestration frameworks (e.g., Lang Chain/Lang Graph-style)
Develop strong prompting + context engineering practices, including prompt versioning and experimentation (e.g., A/B testing approaches)
Build evaluation harnesses for LLM apps: curated test sets, automated checks, offline/online metrics, human review loops, and regression gates for changes
Collaborate with platform/infra teams to deploy on AWS, ensuring reliability, security, scalability, latency, and cost controls
Be an active participant in the day-to-day agile activities of the team including sprint planning, daily standups, sprint reviews, and retrospectives
Instrument systems for observability (quality, latency, token/cost, errors) and create feedback loops to improve model+system behavior over time
Develop high quality solutions; leads the creation of new standards, patterns, and best practices
Write architecture & design documentation for new products, systems, and patterns
Review the work of teammates to ensure quality and adherence to system architecture and best practices; identify where new designs will require architectural changes
Mentor junior developers to grow their skills
Troubleshoot and resolve complex and highly escalated customer/QA found issues in a timely manner
Experiment with new technologies that can enhance our tech stack. Provide new technology insights to remainder of development team.
Lead the implementation of development process improvements that add efficiency for the entire development team
Participate in build vs. buy analysis and complex decision making
Conduct regular, self-guided study to stay current on new and existing technologies
Participate in the hiring process and technical screens with an aim of attracting and hiring the very best engineers; work to expand the onboarding efficacy and vision
May represent the team through presentations to other company departments and customers
QUALIFICATIONS:
Engineering or Comp Science degree or equivalent work experience
9+ years of professional experience in software engineering, applied ML, data science engineering, or AI product engineering
Strong Python skills, experience building backend services (e.g. Flask/FastAPI) and integrating with REST APIs
Some applied ML / data science experience (e.g., experiments, model evaluation, error analysis, feature work, or shipping ML-informed product changes), even if your recent focus has shifted toward software/AI engineering
Practical understanding of LLMs/SLMs and how they behave in production (hallucinations, prompt sensitivity, latency/cost tradeoffs)
Hands-on experience building LLM applications (RAG, tool use, agents, workflow orchestration), with the ability to demonstrate end-to-end ownership from prototype‚ production‚ measurement, iteration
Experience with cloud infrastructure (e.g. AWS) and shipping production workloads (containers, deployments, monitoring)
Strong engineering fundamentals: testing, debugging, performance thinking, and clean, maintainable design
Excellent communication skills and ability to collaborate effectively in fast-paced, agile environments
Comfortable learning new technologies and system
OTHER QUALIFICATIONS:
Prior role experience as a Data Scientist / Applied ML Engineer, with evidence of taking prototypes closer to production (directly or in close partnership with engineering)
Experience with LLM evaluation/observability tooling (e.g., experiment tracking, tracing, prompt/version management, continuous evaluation)
Familiarity with vector databases / retrieval systems and relevance tuning (RAG patterns, embedding selection, chunking strategies)
Prior work on agent reliability patterns: guardrails, tool error handling, fallbacks, and human-in-the-loop designs
Experience with CI/CD, Docker/Kubernetes, or infrastructure-as-code
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, we offer flexibility in how and when you take PTO!
·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!
Best Life Perk – we are committed to meeting you wherever you are in your fitness journey with a quarterly reimbursement
·Medical/Dental/Vision coverage
EAP – we get you help when you need it. Period.
Premium Calm App – 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.
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
#LI-REMOTE
Top Skills
What We Do
At ABC Fitness, we're passionate about fitness. We believe that everyone deserves the opportunity to be their best selves and live their best lives. Our technology solutions are designed to empower fitness businesses and individuals to achieve their goals, whether it's building a stronger community, streamlining operations, or providing personalized training experiences. We're committed to making fitness accessible and enjoyable for everyone.
We believe fitness is a lifestyle for people of every age, every shape, every color, and every gender.
From the inside out, we live our day-to-day life guided by our core values: One Team, Growth Mindset, and Best Life. These values shape our culture, the way we work, and how we interact with each other and our community. We believe in the power of teamwork, continuous learning, and fostering a supportive environment where everyone can thrive.
If you rock your sneakers with confidence and believe in the extraordinary, you’re in the right place.
As One Team, we collaborate and respect each other, fostering a sense of belonging and encouraging individual growth. With a Growth Mindset, we embrace challenges, strive for continuous improvement, and promote smart experiments. Through Best Life, we prioritize the well-being of our team and community, inspiring each other to be our best selves and live our best lives.
Why Work With Us
As One Team, we are committed to creating an inclusive and safe space and fostering an environment where every team member feels like they can bring their whole selves to work. We are dedicated to designing equitable experiences that inspire and activate our growth mindset, so everyone can learn and grow together.
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