Software Engineer

[solidcore] is seeking an experienced Software Engineer to help build and scale our digital fitness platform. The ideal candidate will collaborate closely with cross-functional teams to design, develop, and maintain the mobile and web applications that power the [solidcore] member experience. This role will play a key part in shaping scalable backend services, leveraging modern cloud infrastructure, and exploring how AI-driven tools and automation can enhance both internal operations and the end-user journey.

Located in vibrant Arlington, Virginia, and reporting to the Director of Engineering, this is an exciting opportunity to join a rapidly growing, investor-backed organization with a passion for innovation and a mission to be the leader in the studio fitness space.

Key Responsibilities :

• Build and maintain [solidcore]'s fitness platform using modern technologies including Node.js, React Native / Expo, Next.js, and AWS services
• Design and implement scalable backend services and APIs using AWS Lambda, DynamoDB, and other cloud infrastructure
• Develop and enhance mobile and web applications that power the [solidcore] member experience
• Leverage AI-powered development tools like Cursor, Claude Code, and GitHub Copilot to accelerate development and improve code quality
• Build and maintain AI agents and automation systems that enhance both internal operations and member experiences
• Collaborate with cross-functional teams to ship features that directly impact thousands of fitness enthusiasts daily
• Optimize application performance and resolve production issues, including monitoring with Sentry and responding to incidents
• Implement and maintain integrations with third-party platforms like Mind Body Online and Contentful CMS
• Participate in code reviews via GitHub and contribute to maintaining high code quality standards
• Work with blue-green deployment strategies and modern CI / CD practices to ensure reliable releases
• Stay current with emerging AI technologies and evaluate their potential application to our platform and workflows

Qualifications :

Preferred Qualifications :

Compensation & Benefits :

[solidcore] is a national boutique fitness company with 100+ studios across the country. Our signature workout is 50 minutes of low-impact, high-intensity strength training : the lights are low and the music is loud. The coach guides the class through a series of slow & controlled movements that are sequenced to work muscles to failure. This class is accessible for all fitness levels and can be amplified or modified to accommodate individual goals. Class is as intense as our reviews suggest, but our instructors go above and beyond to provide a welcoming, supportive, empowering, and challenging experience for all. Please visit our website here to read more about our mission.

[solidcore] is firmly committed to social justice and promoting a culture of diversity, equity, and inclusion. You can click here to find out more about the actions we are taking to promote a more diverse and inclusive space for both our clients and our internal team.

[solidcore] is an equal-opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. [solidcore] makes hiring decisions based solely on qualifications, merit, and business needs at the time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.