Senior Fullstack Engineer

At LifeStance Health, we strive to help individuals, families, and communities with their mental health needs. Everywhere. Every day. It’s a lofty goal; we know. But we make it happen with the best team in mental healthcare.

Thank you for taking the time to explore a career with us. As the fastest growing mental health practice group in the country, now is the perfect time to join our team!

LifeStance Health Values

• Belonging: We cultivate a space where everyone can show up as their authentic self.

• Empathy: We seek out diverse perspectives and listen to learn without judgment.

• Courage: We are all accountable for doing the right thing - even when it's hard - because we know it's worth it.

• One Team: We realize our full potential when we work together towards our shared purpose.

Benefits
As a full-time employee of LifeStance Health, the following benefits are offered: medical, dental, vision, AD&D, short and long-term disability, and life insurance. Additional benefits include a 401k retirement savings with employer match, paid parental leave, paid time off, holiday pay and an Employee Assistance Program.

ROLE OVERVIEW

As a Sr. Full Stack Engineer at LifeStance Health, you will be a highly proficient individual contributor responsible for delivering scalable, high-quality software solutions across the web and backend layers of our platform. You will execute on complex development tasks while collaborating with product managers, designers, and other engineers to deliver intuitive and reliable user experiences and service-oriented capabilities.

This role is ideal for an experienced engineer who thrives as a doer and enjoys problem-solving. You will make a significant impact by driving high-quality execution, ensuring technical excellence, and continuously improving the systems you build.

COMPENSATION: $150,000 - $180,000/annually in addition to a competitive bonus plan

RESPONSIBILITIES

• Develop and maintain scalable, high-quality software solutions across the full stack (Node.js, TypeScript, React, microservices, and cloud infrastructure).

• Mentor and support junior engineers through collaborative processes like code reviews and pair programming

• Execute autonomously, taking ownership of feature development, technical design, and implementation while collaborating with cross-functional stakeholders.

• Write clean, maintainable, and well-tested code, ensuring the reliability, performance, and security of our applications.

• Architect and implement backend services and APIs, integrating with external and internal systems while adhering to best practices in microservice development.

• Ensure front-end excellence, developing modern, responsive web applications that enhance user experience.

• Troubleshoot and resolve issues proactively, minimizing downtime and ensuring system reliability.

• Collaborate with product managers and designers to understand requirements and translate them into technical implementations that align with business goals.

• Contribute to technical discussions, code reviews, and architectural decisions, fostering a culture of engineering excellence.

• Stay current on emerging technologies and industry trends, continuously improving your skills and applying best practices.

REQUIRED SKILLS & EXPERIENCE

• 5+ years of experience in full stack development, with strong proficiency in Node.js, TypeScript, React, and microservice architectures.

• Experience with React workflows via Redux/Flux

• Strong front-end development experience, including modern JavaScript frameworks, UI component design, and performance optimization.

• Deep understanding of backend development, including RESTful APIs, asynchronous processing, and database interactions.

• Proficiency in cloud-based architectures (AWS preferred), containerization, and serverless computing.

• Ability to work independently, managing tasks efficiently with minimal supervision.

• Strong problem-solving skills and the ability to troubleshoot complex issues across the stack.

• Experience with DevOps practices, including CI/CD pipelines, logging, and monitoring solutions.

• Collaborative mindset, excellent communication skills, and an eagerness to contribute to a team-oriented culture.

NICE-TO-HAVE:

• Experience with GraphQL, WebSockets, and event-driven architecture.

• Familiarity with Kubernetes, Terraform, or Infrastructure as Code (IaC) tools.

• Background in building highly available, scalable, and secure applications.

• Prior experience working in a healthcare, behavioral health, or regulated industry environment.

LifeStance is an equal opportunity employer. We celebrate diversity and are fully committed to creating an inclusive work environment for all our employees. Learn more about Diversity, Equity and Inclusion at LifeStance.

LifeStance Health complies with federal and state disability laws and makes reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact our Human Resources Team at [email protected]. Please note: This contact is intended solely for accommodation requests. Inquiries regarding applications, resumes and applicant status should not be sent to this email address as they will not be reviewed or responded to. To apply for a position, please use our official careers page.