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Full Stack Engineer

Joyous
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California, USA
$150,000 - $200,000 yearly
Dec 03, 2025
Information Technology

Job Description

Job Description

Join Joyous in our mission to revolutionize mental health care. As pioneers, we leverage very low dose (VLD) ketamine, AI-powered treatments, and advanced technologies to make mental health care effective, accessible, and affordable. With a team of nearly 100 professionals, we've transformed over 40,000 lives, leading a mental wellness revolution for a future where everyone can thrive. Working with us offers more than a job; it's a chance to be part of a life-saving mission that promotes health and compassion worldwide. You'll push mental health care boundaries with AI innovations, contributing to meaningful change and experiencing significant professional growth. At Joyous, we're creating lasting impacts, one life at a time.

The Role:

We're looking for a Full Stack Engineer to play a key role in developing our platform. In this position, you'll collaborate closely with our technology team, including our CTO, to design, build, and refine the core functionalities of our platform. Your responsibilities will include integrating third-party platforms, optimizing for scalability to handle growing usage, and contributing to projects that utilize AI to enhance treatment predictions, tailor patient care plans, and improve user engagement. This opportunity allows you to leverage your creativity and technical skills to develop cutting-edge solutions and witness the real-world impact of your contributions.

Our Technology:

We leverage a cutting-edge tech stack, including AI, cloud infrastructure, Node.js, and real-time analytics, to deliver personalized, effective treatment plans for mental health conditions. Our work combines medication with digital modalities, creating a holistic approach to mental health care that's both innovative and impactful. Our commitment to innovation means you'll always be working with the latest technologies and methodologies, from machine learning models and NLP to cloud computing and real-time data analytics.

Location:

  • This will be an onsite role based out of our HQ in San Mateo, CA

Responsibilities:

  • Design, code, test, and support the patient portal which you will build from the ground up. This portal will be a key component of our health service offering.
  • Work collaboratively with our team to integrate our 3rd party platforms in-house.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Create and maintain system architectures, ensuring robust, scalable, and efficient design.
  • Handle complex problems from design to execution, creating intuitive, scalable, and reliable user experiences.
  • Stay abreast of emerging technologies or trends that could impact the web experience.
  • Contribute to the entirety of your team's product development process, with a commitment to high-quality, stable, and reliable releases.
  • Assist in troubleshooting, software updates, and maintenance of existing systems.

Required Skills/Experience:

  • Bachelor's or higher degree in Computer Science or a related field.
  • 6+ years of progressive experience
  • Proven experience with a focus on JavaScript, Node.js, React.js, and other relevant technologies.
  • Experience in a startup environment, demonstrating the ability to work in a fast-paced, dynamic setting.
  • Experience building consumer facing products
  • 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.
  • Strong problem-solving skills, coupled with effective communication and the ability to work well in a team.
  • Familiarity with agile development practices.

#LI-DNI

SF Bay Area Range
$150,000—$200,000 USD

We are proud to offer the following benefits:

  • Medical (HMO and PPO options), Dental, and Vision insurance
  • 401k + Match (4%)
  • Commuter Benefits
  • Flexible Time Off
  • Plus many in-office perks!

Joyous is an equal opportunity employer and we value diversity at our company. We are committed to providing equal employment opportunities for all candidates regardless of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by applicable law.

AGENCY AND THIRD PARTY RECRUITER NOTICE:

Joyous does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or Recruiting Team. All candidates must be submitted via our Applicant Tracking System by approved Joyous vendors who have been expressly requested to make a submission by our Recruiting Team for a specific job opening. No placement fees will be paid to any firm unless such a request has been made by the Joyous Recruiting Team and such a candidate was submitted to the Joyous Recruiting Team via our Applicant Tracking System.

About Joyous
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