Senior Software Engineer, Applications Security

Posted 5.3.24

Why Charlie Health?

Young people across the nation are grappling with a mental health crisis characterized by escalating rates of depression, anxiety, trauma, substance use disorders, and suicide. Individuals who seek support are met by geographical and financial barriers, driving increased urgency for a new approach to behavioral health treatment.

At Charlie Health, our mission is to connect the world to life-saving mental health treatment. Our treatment programs combine curated peer groups, individual therapy, and family therapy into personalized, evidence-based treatment plans to provide long-term healing from home. By prioritizing connections among young people with shared mental health experiences and goals, Charlie Health fosters sustainable healing and achieves industry-leading clinical outcomes, with over 90% of our clients seeing improvement in their most severe mental health symptoms.

Every member of the Charlie Health team is fueled by an unwavering passion for our mission. If you share this commitment, we invite you to join us in making a tangible impact on the mental health landscape.

About the Role

As a senior engineer at Charlie Health, you will develop the core services that power Charlie Health. You and your team will develop services and shared libraries that systematically improve Charlie Health’s ability to deliver high-quality care. Specifically, you will work on problems such as:

  • Enabling our system to support new care programs and treatment offerings
  • Improving the ways we communicate with our clients and their guardians
  • Optimizing business processes through event driven architecture and workflow orchestration
  • Personalizing the client experience by developing shared identity context

We are looking for someone who is inspired by our mission and excited by the opportunity to build a business that will impact millions of lives in a profound way. You’ll thrive here if you’re energized by impact, have a high quality bar, take an iterative approach to software engineering, and are a willing and helping partner to the broader engineering organization.


  • Develop and deliver high quality, performant, maintainable features that drive meaningful business value using our core technology stack: React, Python, and PostgreSQL.
  • Be an owner. Collaborate with product and design to iterate to top notch 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.
  • Conduct thorough security assessments of web and mobile applications to identify vulnerabilities and weaknesses.
  • Review application code for security flaws and provide actionable recommendations to development teams.
  • Collaborate with software developers to integrate security best practices into the development lifecycle.
  • Work closely with development teams to ensure that security is considered at every stage of the software development life cycle.
  • Develop and deliver training programs to educate development teams on secure coding practices and emerging threats.
  • Manage and maintain security tools used for application security testing and monitoring.
  • Evaluate and implement new security tools to enhance the organization’s application security posture.
  • Generate regular reports on the status of application security, highlighting improvements and areas requiring attention.
  • Ensure our clients can always access the care they need by participating in our on-call rotation


  • Proficient in programming languages we use: React, Python, and PostgreSQL..
  • Proven experience in application security, including vulnerability assessments, design reviews and threat modeling
  • Strong understanding of web application architectures, mobile application security, and cloud security principles.
  • Relevant certifications such as CISSP, CEH, or CSSLP are a plus.


Charlie Health is pleased to offer comprehensive benefits to all full-time, exempt employees. Read more about our benefits here.

Note to Colorado applicants: applications will be accepted and reviewed on a rolling basis.#li-remote 

Our Values

  • Connection
    • Care deeply
      • We care personally about every single person in the Charlie Health ecosystem: our clients, providers, and team members alike.
    • Inspire hope
      • We inspire hope with every interaction, reminding our clients that we truly and unconditionally believe in them.
  • Congruence
    • Stay curious
      • We ask “why” five times before we’re satisfied with the answer. We don’t stick to the status quo; we challenge our assumptions and remain humble.
    • Heed the evidence
      • Above all, we’re results-oriented. When we find data that calls our original plan into question, we modify or pivot.
  • Commitment
    • Act with urgency
      • We work as swiftly as possible. The mental health crisis is relentless, and so are we.
    • Don’t give up
      • Our clients don’t give up and neither do we. Persistence is our superpower.


Please do not call our public clinical admissions line in regard to this or any other job posting.

Please be cautious of potential recruitment fraud. If you are interested in exploring opportunities at Charlie Health, please go directly to our Careers Page: Charlie Health will never ask you to pay a fee or download software as part of the interview process with our company. In addition, Charlie Health will not ask for your personal banking information until you have signed an offer of employment and completed onboarding paperwork that is provided by our People Operations team. All communications with Charlie Health Talent and People Operations professionals will only be sent from email addresses. Legitimate emails will never originate from,, or other commercial email services.

Recruiting agencies, please do not submit unsolicited referrals for this or any open role. We have a roster of agencies with whom we partner, and we will not pay any fee associated with unsolicited referrals.

At Charlie Health, we value being an Equal Opportunity Employer. We strive to cultivate an environment where individuals can be their authentic selves. Being an Equal Opportunity Employer means every member of our team feels as though they are supported and belong. We value diverse perspectives to help us provide essential mental health and substance use disorder treatments to all young people.

Charlie Health applicants are assessed solely on their qualifications for the role, without regard to disability or need for accommodation.

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