Will Lerner
Engineering leader with 15+ years building scalable products across healthcare, consumer electronics, and hospitality.
Track Record: Delivered 30+ products from concept to launch at startups and Fortune 500 companies
Leadership: Built Monument's engineering team from scratch, shipping telemedicine platform serving thousands; team lead at Sonder
Experience: Principal engineer at Mirror (acquired by Lululemon) and at innovation lab at Samsung
I focus on building products that matter and supporting the people who build them.
Core Strengths
Team Building
Build high-performing teams and develop engineers into leaders
Technical Excellence
Full-stack architecture, rapid prototyping, and scalable systems
Product Focus
Deliver customer-focused products balancing user needs with technical constraints
Experience
Chief Technology Officer
- Scaled telemedicine platform for alcohol use disorder to over 100,000 members.
- Built and led a lean, high-ownership engineering team, developing key members into leadership roles.
- Architected a reliable, fast, and secure Nest.js/TypeScript/PostgreSQL backend, AWS architecture (Kubernetes, Terraform, RDS), and a React.js/Tailwind-based frontend.
- Directed the development of critical features, including automated insurance eligibility, revenue management, secure video chat, and a custom EMR.
Tech Lead
- Led a team of engineers responsible for flexible reservation management, automated self-service features, and secure property access.
- Built key features for guest-facing applications with Ruby on Rails, React, React Native, and PostgreSQL.
- Supported technology foundation contributing to Sonder's growth, leading up to its 2022 IPO.
Principal Android Engineer
- Engineered custom Android OS features, including onboarding, live-streaming workouts, and interactive fitness experiences.
- Built core Android functionality that was integral to Mirror's $500 million acquisition by Lululemon.
Independent Developer & Co‑Founder
- Co-founded Tower Health: data analysis and adherence tools for T1D.
- Built an Android chat application for public.chat with ephemeral media functionality.
- Developed React Native iOS apps for WeWork, enabling smartphones as keycards.
Senior Software Engineer
- Implemented software for a custom tablet-based smart-TV remote running AOSP.
- Built out DVR, media-casting, and settings Android applications to communicate with Tizen-based TV's.
- Mentored junior engineers on design best practices, code style, and maintaining a large codebase.
Co‑Founder
- Delivered web and mobile apps for over 30 startups, including Zola, Electric Objects, Speedlist, WeWork, Mission Motorcycles, Underground Eats, and many more.
- Led a team known for rapid prototyping and user‑centric development.
- Team acquihired by Samsung, brand acquired by HappyFunCorp, smoothly transitioning staff and IP.
Projects
I regularly build side projects to stay hands-on with emerging technologies and development practices. Here are some recent experiments:
Heart Word Hero
A simple mobile game to help my kids learn sight words.
Calculator Galaxy
Nearly 300 calculators for various use cases (finance, health & fitness, math, physics, utilities)
Favicon Galaxy
Generate professional favicons from images, text, emoji, or icons. Get all standard sizes in one ZIP file with HTML snippets.
Technical Skills
Languages & Frameworks
Cloud & DevOps
AI & Productivity
Practices
Education
Let's Build Something
Interested in collaborating on the next big thing? Let's talk about how we can create exceptional products together.
Get in touch