SonderMind · 1 day ago
Staff Engineer, Full-Stack
Denver, CO
Full-time
Onsite
Lead/Staff
$160K/yr - $180K/yr
8+ years expSonderMind is a company focused on redesigning behavioral health, and they are seeking a Staff Engineer to own end-to-end features across their backend services and front end. The role involves designing and maintaining scalable services, collaborating with cross-functional teams, and mentoring junior engineers while working with innovative technologies in a fast-paced environment.
Health CareInsuranceMental HealthmHealthTelehealthTherapeuticsWellness
Responsibilities
Design, build, and maintain scalable TypeScript/Node and Python services and RESTful or gRPC APIs that integrate with agentic GenAI systems
Implement and extend Angular/TypeScript UI components for web experiences
Optimize MongoDB and PostgreSQL queries and service performance
Collaborate with cross-functional squads to define requirements and deliver features
You will work on AI Agents, MCP servers and various other AI enabled tools and frameworks and so must be comfortable working with ambiguity and rapidly evolving technologies
Identify and drive process, architecture, and toolchain improvements
Mentor junior engineers (code reviews, pair-programming etc)
Serve as a technical lead for complex projects, balancing scope, risk, and not compromising deliverable quality
Qualification
Required
8+ years building web services or full-stack applications
Strong hands-on experience in TypeScript/Node, Python or similar backends
Experience with Angular/TypeScript
Deep understanding of APIs, PostgreSQL, and some performance tuning
Proven ability to balance short-term delivery with long-term technical investments and continuous improvement of quality
Comfortable working in a fast-paced, ambiguous environment where requirements evolve over time
Excellent problem-solving, communication, and collaboration skills
Preferred
Some knowledge of AI/ML is desired but not a requirement
Experience with LLMs or AI-driven toolchain (Langchain/Langgraph) is highly desirable
Benefits
A generous PTO policy, with a minimum of three weeks off per year
A holiday schedule that follows standard U.S. holidays
Free therapy coverage benefits to ensure employees have access to the care they need (must be enrolled in a qualifying medical plan to participate)
Competitive Medical, Dental, and Vision coverage, with plans to meet every need — including HSA (with $1,100 company contribution) and FSA options
Employer-paid short-term disability, long-term disability, life & AD&D, plus coverage of the salary difference for up to seven weeks of short-term disability leave (after the required waiting period)
Eight weeks of paid Parental Leave; if the parent also qualifies for STD, this benefit is in addition, allowing for 8–16 weeks of paid leave
401(k) retirement plan with 100% match on up to 4% of base salary, immediately vested
Join teammates from across the country at our annual company gathering
Company shutdown between Christmas and New Year’s
Supplemental life insurance, pet insurance, commuter benefits, and more!
Company
SonderMind
SonderMind is a mental healthcare provider that offers treatment for mental health through therapy and psychiatry.
201-500 employees
H1B Sponsorship
SonderMind has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$183.03MKey Investors
General CatalystDioko VenturesKickstart
2021-07-28Series C· $150M
2020-04-06Series B· $27M
2019-04-23Series A· $3M
Leadership Team
Mark Frank
CEO and Co-Founder
Shouvick Mukherjee
Chief Technology Officer
Recent News
2025-11-05
Behavioral Health Business
2025-10-23
2025-09-17
Company data provided by crunchbase