Sr. Software Engineer - Full Stack Javascript

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.

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.

Key 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.
• Collaborate with Product, Design, and Clinical Operations teams to translate business requirements into technical solutions.
• 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.
• Provide technical mentorship and guidance to other engineers on the team, fostering a culture of best practices, code quality, and continuous improvement.

REQUIREMENTS

• 7+ years of professional software development experience, with a focus on full-stack web applications.
• Expertise in modern JavaScript/TypeScript, React, and a deep understanding of state management, component-based architecture, and performance optimization.
• Strong experience with Node.js and a solid understanding of building and consuming RESTful APIs, microservices, and event-driven architectures.
• 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.
• Hands-on experience with cloud platforms like AWS (Lambda, DynamoDB, S3) and a proficiency in CI/CD pipelines.
• Collaborative mindset, excellent communication skills, and an eagerness to contribute to a team-oriented culture.
• Experience with SQL/NoSQL databases and a strong commitment to secure coding practices and HIPAA compliance.

PREFERRED SKILLS AND KNOWLEDGE

• 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.

PHYSICAL REQUIREMENTS

• The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
• While performing the duties of this job, the employee is regularly required to sit, stand, bend, talk and hear. The employee is frequently required to walk. The employee must be able to lift and/or move objects up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and the ability to adjust focus.

LifeStance provides the compensation range and benefits that it in good faith believes it might pay and/or offer for this position. LifeStance reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, or federal law.

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.

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.