Principal Software Engineer

The Role:

At Joyous, we’re transforming mental health care with AI-driven solutions, integrating personalized treatment plans, digital interventions, and real-time analytics to improve patient outcomes. As a Principal Software Engineer, you'll work directly with our CTO to lead the technical evolution of our AI-first platform, optimize existing infrastructure, and pioneer new systems to support our growing user base.

If you're passionate about building AI-powered applications, scaling platforms, and creating real-world impact, this is your opportunity to shape the future of mental health tech—a space where innovation meets human connection.

Why This Role Is Exciting

• AI-Driven Engineering – Work on cutting-edge AI agents, train LLMs, and develop predictive analytics that personalize patient care, optimize treatment plans, and engage users more effectively.
• Architect & Scale Platforms – Lead the technical evolution of our EHR/EMR system, AI-integrated tools, and video conferencing platform, ensuring seamless performance, security, and scalability.
• Tackle Complex Engineering Challenges – Optimize real-time data pipelines, cloud infrastructure, and AI-driven decision-making systems while working with a modern tech stack (Node.js, React.js, cloud computing, real-time analytics).
• Impact Lives at Scale – The software you build will enhance care for thousands of patients, making mental health treatment more personalized, accessible, and effective.

Location:

• This will be a Hybrid role based out of our HQ in Foster City, CA

Responsibilities:

• Enhance & scale our existing patient portal and platform infrastructure to support rapid growth and new AI capabilities.
• Architect & develop key components of our EHR/EMR system, AI-driven engagement tools, and video conferencing platform.
• Design & implement AI-powered solutions that predict treatment efficacy, automate workflows, and improve patient engagement.
• Optimize system performance, security, and scalability, ensuring a seamless experience for providers and patients.
• Mentor engineers & drive best practices in AI integration, system architecture, and full-stack development.
• Collaborate with cross-functional teams, including AI researchers, product managers, and clinicians, to build intelligent, user-friendly solutions.
• Stay ahead of AI & cloud technologies, integrating the latest advancements to enhance our platform.

Qualifications:

• Bachelor's or higher degree in Computer Science or related field.
• 10+ years of progressive experience, with a focus on full-stack development.
• Strong proficiency in JavaScript, Node.js, React.js, and related technologies.
• Demonstrated experience in building and scaling consumer-facing products within a startup environment.
• Strong understanding of systems and architecture with a track record of building scalable applications from scratch.
• Knowledge of professional software engineering best practices for the full software development lifecycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Excellent problem-solving skills and ability to communicate technical concepts effectively.
• Familiarity with agile development methodologies and CI/CD
• Impact:
• Your technical leadership will drive the successful development and scalability of our platform, enabling us to deliver innovative solutions to our patients.
• You'll play a critical role in shaping the technical direction of our company and ensuring our platform remains competitive in the healthcare industry.

Growth and Development: 

As our engineering team expands, so do the opportunities for our staff. 

• We're committed to professional growth, offering access to training, workshops, and conferences to keep you at the forefront of technological advancements. 
• Mentorship and leadership development are part of our DNA, allowing you to learn from the best and eventually lead projects or mentor others.
• You'll be at the forefront of developing and scaling digital health solutions that make a real difference in people's lives. Whether it's building new products from the ground up or enhancing the scalability and efficiency of our existing platforms, your work will directly contribute to improving mental health care for our patients.

Work Culture: 

We are a highly energetic and entrepreneurial team. We encourage all our employees to take ownership of their projects but also work in a highly collaborative environment that encourages everyone to have and share their opinions. Also, everyone deeply believes in our mission as well as the future of using psychedelics in an individualized approach to mental health care.

If you're an experienced engineer looking to take on a leadership role in a dynamic startup environment, we want to hear from you. Apply now and be instrumental in building something truly impactful.