Senior Full Stack Software Engineer

Our customers rely on Calendar to run their practice, and we’re making it faster, smarter, and easier to use. We’re looking for an experienced Senior Software Engineer to help lead the development and scaling of Calendar features. You’ll own the design and execution of the work you take on, from first idea to production, alongside Product and a team that cares about craft. This is a remote role, and deep Ruby on Rails expertise with full stack experience will set you up to thrive., * Bring a builder mindset and a product-focused approach, creating solutions that are robust, scalable, and easy to use

• Own the technical design and delivery of complex, user-facing Calendar features across the full stack, from first idea to production
• Partner with Product to understand customer needs, define upcoming features, and catch problems before customers do
• Build across the full stack, with depth in languages and frameworks like Ruby on Rails or Python and ship clean and scalable code
• Establish engineering standards, component architectures, and development best practices and mentor other engineers
• Navigate ambiguity and deliver high-quality products at pace

• 6+ years of senior-level full-stack engineering, with deep, hands-on Ruby on Rails expertise
• A proven track record of taking ambiguous and complex problems to reliable production systems that serve millions of users
• Solid, production-tested experience with Ember.js or React and their ecosystems. You are comfortable to move easily across platforms and frameworks
• Strong systems design and judgment across APIs, SQL, multi-platform distributed systems, observability, and reliability
• Excellent communication and collaboration skills working with remote teams on GitHub, Slack, Notion, and Zoom
• Advanced, hands-on fluency with AI coding tools like Cursor, Codex, and Claude Code
• High agency. You do your best work when things move fast, and you own quality, reliability, and operational excellence end to end, * Web application security, plus PCI or HIPAA compliance experience
• Production troubleshooting and infrastructure: Docker, MySQL, Postgres, Redis, NGINX, AWS, Linux, Terraform/Ansible

We offer a competitive benefits program including:

• Medical, dental, vision, life & disability insurance
• 401(k) plan with company match
• Flexible Time Off (FTO), wellbeing days, paid holidays, and summer Fridays
• Mental health resources
• Paid parental leave & Backup Care
• Tuition reimbursement
• Employee Resource Groups (ERGs), Please note that SimplePractice will never ask candidates or new hires for money or payment of any kind at any stage of the recruitment or onboarding process.

Base salary is one component of total compensation. Employees may also be eligible for an annual bonus or commission. Some roles may also be eligible for overtime pay.

The amount below represents the expected annual base compensation range for this job requisition. Ultimately, in determining your pay, we’ll consider many factors including, but not limited to, skills, experience, qualifications, geographic location, and other job-related factors. Base Compensation Range $178,320-$222,900 USD

At SimplePractice, we are improving access to quality care by equipping health and wellness clinicians with all the tools they need to thrive in private practice.

More than 250,000 providers trust SimplePractice to build their business through our industry-leading software with powerful tools that simplify every part of practice management. From admin work to clinical care, our suite of innovative solutions work together to reduce administrative burden-empowering solo and small group practitioners to thrive alongside their clients.

Award-winning and people-first, SimplePractice is shaping the future of health tech. In 2026, we were recognized by BuiltIn as a Best Remote Company to Work For, Software Guru’s Best Places to Code, Becker Healthcare Telehealth Companies to Know, and we won a MedTech Breakthrough Award for Best Practice Management Solution Provider.