Software Engineer

Blossom Health exists to **solve the mental health epidemic** in America by partnering with psychiatrists to expand access toaffordable, timely, clinically-effective mental healthcare. Our **AI-native care platform** is loved by hundreds of clinicians and thousands of patients.

We’re a **Series A** company with **$20M+ raised** from Headline, Village Global, and the founders of General Catalyst, Flatiron Health, Sword Health, Grow Therapy, Fay, Elemy, Zip, Blank Street, Assured, Bridge, Birches Health, and Enzo Health.

**Why you should work here:**

• **🚀 Hyper-growth environment:** Get firsthand exposure to how a startup scales from 0→1→n, with visibility across product, engineering, and operations
• **🤝 High trust and autonomy:** You’ll own meaningful projects from day one and shape both technical decisions and product direction. We trust engineers to figure out the best path forward - without micromanagement.
• 🧠 **Talent-dense team:** Work with a top-percentile team built on mutual respect and admiration, with shared goals, motivations, and vision for the future.
• ⚡ **Real impact:** Your code will directly improve access to mental health care for thousands of patients and clinicians

**What we're looking for:**

• **Highly motivated, ambitious, and capable** - looking to tackle a large, meaningful problem area
• **Ownership mindset** - thinking for the long-term and placing the business and our customers first
• **High velocity and high excellence** - have a real sense of urgency to move quickly and take pride in the quality of your work
• **An explorer** - comfortable with ambiguity and autonomy, seeking to answer questions previously unasked, to leap into the unknown
• **An optimist** - you believe in a tomorrow better than today
• **A builder** - you take joy in bringing new creation to the world, in leveraging technology to make useful things
• **Humble** - you use your gifts in the service of others and understand that success is an output, not an input

**What you'll do:**

• Build and ship **AI-native product experiences** used directly by clinicians and patients
• Design and develop **LLM-powered systems and agents** that automate and augment complex healthcare workflows
• Own AI features end-to-end, from prototyping and experimentation through production deployment, evaluation, and iteration
• Build robust **evaluation, monitoring, and feedback systems** to continuously improve AI quality, reliability, and performance
• Work across models, prompts, tools, retrieval systems, and application infrastructure to solve real-world product problems
• Move quickly from emerging AI capabilities to **production-ready experiences that deliver measurable value**
• Collaborate closely with clinicians and engineers to understand complex healthcare workflows and determine where AI can have the greatest impact

**You'll thrive here if you:**

• Have a bachelor's degree or equivalent experience in Computer Science or a related field
• Have **2+ years of professional software engineering experience** outperforming in high-quality environments
• Have experience **building and shipping LLM-powered applications or AI products in production**
• Are fluent in **Python and/or TypeScript**
• Have worked with modern LLM APIs, agentic systems, tool calling, retrieval, structured outputs, or similar applied AI patterns
• Think rigorously about **evals, reliability, latency, cost, and failure modes**, not just whether a prototype works
• Are comfortable moving across the stack and quickly experimenting with new models, frameworks, and techniques
• Love autonomy, ambiguity, experimentation, and ownership
• Are **authorized to work in the U.S.** and excited to be **in-person in NYC** 5 days a week

**Benefits:**

• Competitive salary, equity, growth opportunities
• Best-in-class health, dental, and vision insurance
• A focus on outcomes, not hours, with unlimited PTO
• Team outings, offsites, and a sunny NYC office stocked with snacks