# I’m Karthik, a product design engineer and I ship products > I’m a designer engineer, so I design products and build them too. I’m an IC designer at Trainwell, where I led design for our partnership with Peloton. Carnegie Mellon alum, designing products since 2020. Web page: https://www.karthiksivacharan.me I’m an IC designer at [Trainwell](https://apps.apple.com/us/app/trainwell-personal-training/id1466445684), where I led design for our partnership with [Peloton](https://apps.apple.com/us/app/peloton-personal-trainer/id6752271058). On the side I tinker with agents and design AI-native interfaces. Carnegie Mellon alum, designing products since 2020. [Let’s work together](https://cal.com/ksivacharan) ## Recent Works Some B2B AI experiments I’ve been hacking together: agentic workflow builder, voice agents and agentic crm. ## Projects The featured projects come first, and the page can also filter them by Web, Mobile, Agents and Brand. ### AI Agentic Workflow Builder Visual builder for designing and running AI agent workflows on a canvas. - Built with: Next.js, React Flow, shadcn/ui, Zustand - [View Live](https://useploy.vercel.app/) ### Voice Notes We shipped voice notes in Trainwell’s chat, so clients and their trainers can send each other quick voice messages. - Result: 38% adoption ### Brand exploration Logo concept for a personal AI assistant startup. - Built with: Remotion, Figma Weave ### Zeno Wellness app that reduces doomscrolling by turning daily steps into screen time. - Built with: iOS, HealthKit, ScreenTime API - [Try Zeno](https://apps.apple.com/in/app/zeno-steps-for-screen-time/id6757132863) ### Orbs Brand exploration for a startup building cloud laptops for coding agents. - Built with: Remotion, Figma Weave ### Peloton Partnership We shipped a white-labelled app with Peloton from scratch. I led the design, including the branding. - Result: +29% revenue - Ongoing ### Design Token System I built a design token system from scratch for an AI workforce startup, covering typography, colors and motion. - Built with: Tailwind v4, CSS variables - [View Live](https://hyperagent-onboard.vercel.app/design) ### Agent glyphs Glyphs for different agents, designed for an AI workforce startup. - Built with: Remotion ### More projects, which show up under the filters #### Agentic CRM A CRM prototype where you ask an agent what to work on and it pulls from your records and tools. - Built with: shadcn/ui, TanStack Table - [View Live](https://ploydb.vercel.app/) #### Viewsights AI interviewer that runs user research conversations and then analyzes them for you. - Built with: ElevenLabs, Claude API, Supabase, RAG #### Kora Customer support agent that points at the buttons to guide users through your product. - Built with: React, Claude API, Tailwind CSS, Motion - [GitHub](https://github.com/Karthik-Sivacharan/Kora) #### Exercise Swaps Clients can swap out an exercise mid-workout if it hurts or just doesn’t work for them, so the workout stays on track and trainers save time. - Tags: Saved $46k/mo, Interaction Design, Prototyping #### Workout Feedback A way for users to tell their trainer how each workout felt, so the trainer could tailor the next ones to their progress and needs. - Tags: +14% engagement, User Research, Cross-Platform #### Hypelink Missions Creators can launch Hypelink missions that get their fans to share a post with their own networks, so it reaches a lot more people. - Tags: User Research, Prototyping - Case study: [Hypelink Missions](https://www.karthiksivacharan.me/backstage/creating-participating-in-a-hypelink.md) #### Interactive Fan Challenges Creators can launch personalised challenges to interact closely with their super fans and reward them for participating. - Tags: Interaction Design, Customer Discovery - Case study: [Interactive Fan Challenges](https://www.karthiksivacharan.me/backstage/creating-participating-in-a-challenge.md) ## Tools & Software My stack: Claude, Xcode, Vercel, cmux, BrowserOS, Figma, GitHub ## I’m Karthik Sivacharan I enjoy breaking messy problems into smaller chunks, and I started designing products pretty early. I’ve worked across startups, VC and larger orgs, and I learn best by making things. Coffee, sunsets, driving and sports are my kind of things :) [Know more about Karthik](https://www.karthiksivacharan.me/about-me.md) ## Availability I’m open to Product Designer, Design Engineer and Founding Product Designer roles right now. I design products and I also ship production code (this site, the Zeno iOS app and AI agent tools). I did 0-to-1 work as the Founding Product Designer at Backstage and as a co-founder of Tread, and I’m now an IC designer at Trainwell (Series A). You can reach me by email (karthiksivacharan@gmail.com) or book a call (https://cal.com/ksivacharan). --- ## Working on something and need a designer who can also build it? [Let’s talk](mailto:karthiksivacharan@gmail.com) · [Book a call](https://cal.com/ksivacharan) · [X](https://x.com/k_sivacharan) · [LinkedIn](https://www.linkedin.com/in/karthik-sivacharan/) · [GitHub](https://github.com/Karthik-Sivacharan)