Senior Fullstack Engineer

LifeStance Health

3d•$120,000 - $130,000

About The Position

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.

Requirements

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 Haves

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.

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.