
Frontend & Product Engineer
Building high-converting experiences for 9-figure DTC & telehealth brands
Emre
Gundogdu
I build the part of a product closest to the money. Landing pages, telehealth onboarding, patient intake systems, checkout and payment flows that thousands of people move through every day, for 9-figure DTC and telehealth brands.
- Upwork
- Top Rated Plus
- Scope
- First clicks to customers who stay
How it feels and how it performs are the same job.
I work on the parts of a product people actually pay through: landing pages, funnels, the onboarding and patient intake systems behind telehealth brands, and the checkout and payment flows they end in, flows that thousands of people, and millions in revenue, move through every day.
Clean, premium interfaces with the detail that makes a brand feel as good as it is, and underneath, Stripe flows that feel effortless, integrations that keep every record, and tracking you can trust. I came in as a frontend developer and kept following the harder problem, which is how I ended up doing product engineering.
- 9 figures
- in revenue running on
the front ends I ship - 1% is 7 figures
- what a single point of
conversion is worth at that volume - 100k+
- of people through the
journeys I create, daily - HIPAA Compliant
- telehealth work
under signed BAAs
- Landing & Onboarding
- Landing pages, conversion funnels, medical questionnairesEligibility screening, consent capture, photo and ID uploadMobile-first speed, clear copy, one obvious next step
- Checkout & Payments
- Fewer steps between wanting it and purchasing itPayments and billing that hold up at scaleSubscriptions, upsells and one-time orders
- Optimization & Retention
- Different versions of landing pages, intakes and checkoutsFollowing the numbers, shipping the version that performs bestWatching journeys closely to turn first orders into repeat ones
Code came late. The first years went to psychology, human behaviour and game theory, then to video, 3D, design and social media marketing, before building turned out to be the one that stuck. Everything after that was a straight line: client work in production, booking flows and role-based dashboards, and now a long-term contract with a 9-figure company, owning the path from first click to paid.
The detour is the point. Marketing taught me where people drop off, psychology taught me why, and that is most of what makes a checkout convert.
01What do you actually build?
I build landing pages and funnels, telehealth onboarding flows, patient intake systems, medical questionnaires, and the checkout and payment flows they end in. In short, the path from a first click to a paid patient or customer, in React, Next.js and TypeScript, for digital health and DTC brands.
02Do you work on telehealth and healthcare products?
Yes, that is most of my work. I have built patient intake and patient onboarding for GLP-1 brands, a multi-brand telehealth group and a provider network, covering medical questionnaires, consent steps, eligibility gating, patient portals and subscription billing for regulated products.
03Can you work with patient data and HIPAA?
Yes. I'm currently working under signed BAAs on telehealth engagements. What I add is the build side of it: health answers never touch the analytics or marketing tools, access is scoped per role, and the intake only sends what the flow actually needs. I also flag it while we scope the work. If a request would put patient answers somewhere they shouldn't go, I tell you early and give you a version that gets the same result without them.
04What is your stack?
Next.js, React and TypeScript on the front, Stripe for payments and subscriptions, and whatever the intake needs to live in, including custom multi-step flows and hosted form platforms such as Embeddables. For tracking and lifecycle I work with Customer.io, GA4, GTM and privacy-friendly analytics, wired so the funnel numbers and the payment numbers agree.
05Do you only do the frontend?
No. I came in as a frontend developer and kept following the harder problem. I take a revenue path end to end: the interface, the payment and subscription logic, the integrations that keep every record, the tracking, and the internal dashboard the team runs it from.
06How do engagements work?
Usually a fixed-scope build on a revenue path, or a longer contract embedded with a product team. I am Top Rated Plus on Upwork and can contract through Upwork or directly. Fastest start is to book an intro call, or email hello@emregnd.com with what you sell and where people drop off.