Senior Software Engineer, Full Stack (Client Onboarding)

Why Charlie Health? Millions of people across the country are navigating mental health conditions, substance use disorders, and eating disorders, but too often, they’re met with barriers to care. From limited local options and long wait times to treatment that lacks personalization, behavioral healthcare can leave people feeling unseen and unsupported. Charlie Health exists to change that. Our mission is to connect the world to life-saving behavioral health treatment. We deliver personalized, virtual care rooted in connection—between clients and clinicians, care teams, loved ones, and the communities that support them. By focusing on people with complex needs, we’re expanding access to meaningful care and driving better outcomes from the comfort of home. As a rapidly growing organization, we're reaching more communities every day and building a team that’s redefining what behavioral health treatment can look like. If you're ready to use your skills to drive lasting change and help more people access the care they deserve, we’d love to meet you. About the Role Charlie Health leads the nation in high-acuity virtual behavioral care, having delivered life-saving treatment to more than 100,000 clients nationwide. Our Client Onboarding team builds the technology that helps people access care faster, meeting clients where they are and guiding them seamlessly into treatment. You’ll create engaging, dynamic product experiences that connect clients and care teams in real time. Whether it’s streamlining intake workflows, automating communication, or creating agentic scheduling assistants, your work will make it easier for people to get the care they need when they need it most. If you thrive at the intersection of empathy, experimentation, and product engineering and want to build systems that directly expand access to behavioral healthcare, this is the team for you. Responsibilities Develop and deliver high quality, performant, maintainable features that drive meaningful business value using our core technology stack: React, Python, and PostgreSQL. Partner with teammates across the organization to understand our business. Leverage that understanding to drive data modeling discussions and decisions. Be an owner. Collaborate with product and design to iterate to top notch product solutions. Identify bottlenecks and implement improvements to engineering processes, tools, and procedures. We’re early and the expectation of folks joining at this stage is that you’ll play a huge part in setting and improving how we work. Promote a culture of collaboration and learning across engineering, product, and design team via mentoring, documentation, presentations, or other knowledge sharing methods. Ensure our clients can always access the care they need by participating in our on-call rotation Requirements Professional experience developing user facing web or mobile applications that deliver meaningful business value. Hands on production experience with an application programming language, preferably Python. Ability to break down ambiguous problems into smaller parts with tractable solutions. Growth mindset and a sense of humor. You welcome feedback and when you stumble you get back up. You adapt quickly in a fast-paced environment and you enjoy fostering an environment that prioritizes fun, learning, and growth. 4+ years experience as an engineer Please note: candidates located within 75 minutes commuting distance of our NYC office are expected to come to office 4 days/week Benefits Charlie Health is pleased to offer comprehensive benefits to all full-time employees. Read more about our benefits here . Additional Information The total target base compensation for this role will be between $170,000 and $220,000 per year at the commencement of employment. Please note, pay will be determined on an individualized basis and will be impacted by location, experience, leveling, expertise, internal pay equity, and other relevant business considerations. Furt