Full Stack Senior Software Engineer OpportunityWe're hiring a Full Stack Senior Software Engineer to help build and evolve the systems that power Grow Therapy's platform. In this role, you'll work across the stack to design, implement, and ship features that directly impact how clients and providers connect, communicate, and access care.You'll join a collaborative, product-focused engineering organization where technical work is closely tied to learning, iteration, and real-world outcomes. This role is ideal for an engineer who takes pride in writing clean, maintainable code, thinks deeply about system behavior, and is energized by the opportunity to grow alongside a fast-moving team.Access to mental healthcare in America is still deeply fragmented and Grow Therapy is building the platform to fix that. We connect clients, providers, and health plans in a single integrated system, and the software our engineers ship directly shapes whether people can find and afford the care they need.We're growing fast - nearly 22,000 clinicians, over 1.4 million clients, and on track to surpass 10 million sessions in 2026 and we see ourselves as a generational company with a long way still to go. Engineers who join now have a real opportunity to build systems that matter at meaningful scale.You'll be designing, implementing, and shipping customer-facing features that span frontend and backend systems. You'll own the full lifecycle of your work - from scoping and implementation through testing, deployment, and iteration. You'll contribute to and improve core platform systems, including those related to discovery, scheduling, transactions, and user experience. You'll implement and support A/B tests and experiments, from hypothesis through measurement and rollout. You'll investigate, triage, and resolve production incidents and complex cross-system bugs. You'll write clean, well-tested, maintainable production code and take an active role in code reviews. You'll collaborate closely with Product, Design, and Data to deliver well-scoped, measurable solutions. You'll participate in technical discussions and contribute to architectural decisions within your team.You'll be a good fit if you have 6+ years of professional software engineering experience. You'll have experience building and maintaining production systems at scale. You'll be comfortable working across backend APIs and frontend interfaces, with hands-on experience in Python and modern React/TypeScript. You'll have experience working on systems where data quality, correctness, and performance matter. You'll have strong execution skills and the ability to deliver scoped work independently. You'll have curiosity and a willingness to learn complex systems and new problem domains. You'll have a product-minded approach - you understand how technical decisions impact user experience and business outcomes. You'll have strong collaboration and communication skills, with a track record of working closely with cross-functional partners including Product, Design, and Data Science. You'll have experience using AI-assisted dev tools (e.g., Claude, Cursor). You'll have a bias toward ownership, speed, learning, and continuous improvement. Experience: 6 years required