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