Senior Engineer, Full Stack

About the Role

Step into a groundbreaking role at the forefront of revolutionizing mental healthcare. SonderMind is seeking a dynamic mid-level Full Stack Engineer (Software Engineer III) to join our innovative team in building AI-powered tools that truly partner with therapists. You won’t just be coding features—you’ll be helping architect the future of therapy by developing software that acts as an intelligent copilot, enhancing provider capabilities and transforming the lives of countless clients.

Your contributions will drive product enhancements, optimize customer acquisition, and position us as leaders in redefining the intersection of technology and mental health. This is your opportunity to make an immediate, meaningful impact on the design, implementation, and strategic direction of AI-assisted therapy.

Join a passionate team engaged in cutting-edge design and architecture discussions, explore emerging technologies to enhance our platform, and contribute to a mission-driven organization that values collaborative debate, shared success, and societal impact in mental health

What you’ll do

• Design and Implement full stack features using Angular/Typescript, CSS, Node.js, Ruby on Rails, Postgres that make our product more meaningful to end users.
• Participate in team-wide and engineering-wide design & architecture enhancements.
• Collaborate with Product, Engineering, Applied Science and other stakeholders.
• Take up end-to-end ownership i.e. design, build, test and operate the software you work on.
• Identify and implement AI-driven solutions that enhance provider efficiency by streamlining workflows, reducing administrative burden, and supporting smarter decision-making within the product experience.
• Maintain a high bar for quality in a fast-paced, interactive environment by writing unit, functional and end to end tests
• Craft high quality code that meets our internal standards for style, maintainability, and best practices. Maintain and advocate these standards through code review.
• Consistently ship features and improvements with minimal guidance and support from other team members
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
• Evaluate new tools and technologies for incorporation and use
• And other responsibilities and ad-hoc projects from time to time based on business needs.

What does success look like?

• Writes maintainable code and tests
• Provides helpful, timely code reviews. Consistently follows best practices, able to defend technical decisions in code review feedback.
• Contribution towards design patterns and architecture decisions to minimize tech debt and maximize development speed
• Successful feature delivery towards key business metrics and OKRs
• Collaborate with teammates and stakeholders to deliver a solid product
• Lead specific team projects independently and in collaboration with other leads
• Accountable, end-to-end ownership of features through planning, deploy, maintenance, and monitoring potential issues

Who You Are (Required Education/Experience)

• 4+ years of software development experience as a full stack engineer
• Proficient in TypeScript and Angular
• Prior experience with Ruby on Rails
• Experience working in AWS
• Experience with relational databases like Postgres
• Rapid experimentation such as A/B testing, feature flags, etc.
• Highly motivated to learn how to build the agentic application ( previous experience of LLM application is a big plus but not required )
• Ability to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough, iterative solutions
• Proven ability to work closely with other Engineers, Product Managers, and other Stakeholders
• Proven ability to thrive in fast-growing, product-driven companies by effectively navigating loosely defined tasks and managing competing priorities or deadlines.

Preferred Education/Experience

• MS in Computer Science or related field.
• Prior experience with programming languages like C++ , Java or Go ( preferred, not required)
• Experience working in the Healthcare Industry

Equal Opportunity

SonderMind does not discriminate in employment opportunities or practices based on race, color, creed, sex, gender, gender identity or expression, pregnancy, childbirth or related medical conditions, religion, veteran and military status, marital status, registered domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition (including genetic information or characteristics), sexual orientation, or any other characteristic protected by applicable federal, state, or local laws.