[solidcore] · 4 hours ago
Senior Software Engineer
Arlington, VA
Full-time
Onsite
Senior Level
5+ years exp[solidcore] is seeking an experienced Senior Software Engineer to lead the design and architecture of their digital fitness platform. The role involves partnering with various stakeholders to drive technical decisions while building scalable backend services and mentoring junior engineers.
FitnessHealth CarePersonal Development
Responsibilities
Lead the design and architecture of [solidcore]'s fitness platform using modern technologies including Node.js, React Native/Expo, Next.js, and AWS services
Architect and implement scalable backend services and APIs using AWS Lambda, DynamoDB, and other cloud infrastructure
Drive technical decisions for 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
Mentor junior engineers and conduct technical code reviews to elevate team capabilities
Collaborate with cross-functional teams and leadership to ship features that directly impact thousands of fitness enthusiasts daily
Lead incident response and production troubleshooting, establishing best practices for monitoring with Sentry
Own key integrations with third-party platforms like Mind Body Online and Contentful CMS
Define and implement deployment strategies, CI/CD pipelines, and infrastructure improvements using blue-green deployment and modern practices
Evaluate and introduce new AI technologies and tools to improve both development velocity and member experiences
Collaborate with product and leadership to translate business needs into technical roadmaps
Qualification
Required
5-8+ years of professional software development experience
Proven track record of designing and shipping production systems at scale
Deep expertise in JavaScript/TypeScript and Node.js
Strong experience architecting frontend applications with React, React Native, or similar frameworks
Production experience with AWS services (Lambda, DynamoDB, CloudFormation, CloudFront, etc.)
Experience designing RESTful APIs and distributed systems
Track record of mentoring engineers and improving team practices
Demonstrated leadership in production incident response and system optimization
Demonstrated experience using AI coding assistants and tools to enhance productivity
Curiosity and enthusiasm for exploring how AI can solve real-world problems
Ability to balance technical excellence with pragmatic delivery in a fast-paced environment
Excellent communication skills with both technical and non-technical stakeholders
Preferred
Bachelor's Degree in Computer Science or related field (or equivalent experience)
Experience with React Native/Expo for mobile development
Experience with Next.js and modern web development practices
Experience with DynamoDB or other NoSQL databases
Experience with infrastructure as code (CloudFormation, CDK)
Experience building or working with AI agents, LLM integrations, or automation systems
Track record of improving system reliability, performance, or cost efficiency
Experience with on-call rotations and incident management
Familiarity with prompt engineering and working with LLM APIs (OpenAI, Anthropic, etc.)
Knowledge of monitoring tools like Sentry
Experience with Atlassian tools (Jira, Confluence)
Experience in the fitness or wellness industry
Benefits
Competitive salary, based on skills and experience
Bonus eligibility based on performance
Monthly cell phone stipend
401k with employer match
Health, dental, & vision insurance
Flexible PTO
Free drop in classes at [solidcore]
And MORE
Company
[solidcore]
[solidcore] is a wellness company that offers high-intensity, low-impact workouts on custom pilates reformers.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$325MKey Investors
Kohlberg & CompanyVMG Partners
2025-02-04Debt Financing· $325M
2024-09-25Acquired
2023-04-18Private Equity
Leadership Team
Bryan Myers
President and CEO
Jamey Sunshine
SVP, Brand
Recent News
2025-09-15
2025-09-12
Company data provided by crunchbase