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Busra Koyuncu

@busrakoyuncu

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Founding Frontend Engineer at ceptepati who shipped its pet telehealth web and mobile products from zero to launch.

Germany

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At ceptepati, I owned the frontend of a pet telehealth platform as the sole frontend engineer. I took it from Figma wireframes to responsive web and mobile clients, shipping both from zero to launch.

After launch, the product reached 1,100 users and 15 paying customers in its first month. I also improved onboarding conversion by 27% by analyzing signup funnel drop-offs and reworking the flows.

At Accenture, I built features for a multilingual B2B platform for a leading German automaker, supporting 40+ markets and 15 languages. I contributed to growth in monthly active users from 6,500 to 16,500 through user-facing features and performance improvements.

I also created YasDestek, a web platform developed with a researcher for an MSc thesis study, and grew it to 600+ users during the research period. Earlier, at NuCAL, I developed the frontend of a no-code platform and built backend services.

Experience

Work history, roles, and key accomplishments

Current

Founding Frontend Engineer

Current

ceptepati

Feb 2025 - Present (1 year 8 months)

Owned the entire frontend of a pet telehealth platform as the sole frontend engineer, shipping web and mobile clients from zero to launch in 9 months. Improved onboarding conversion by 27% and reached 1,100 users within the first month.

React TypeScript Next.js Redux Tailwind Shadcn Ui React Native Cursor Claude Google Analytics Google Tag Manager META Pixels Google Search Console Vitest React Testing Library Jest Jest Expo React Native Testing Library CI CD

Frontend Engineer

YasDestek

Sep 2024 - Feb 2025 (5 months)

Created and built a web platform for grief support using Next.js, TypeScript, and React, in collaboration with a researcher for an MSc thesis study. Grew the platform to 600+ users during the research period.

Next.js TypeScript React

Frontend Engineer

Accenture

Nov 2022 - Sep 2024 (1 year 10 months)

Built a multilingual B2B platform for a leading German automaker, supporting 40+ markets and 15 languages. Contributed to growth in monthly active users from 6,500 to 16,500 and reduced the purchase flow from 15 steps to 8.

React Next.js TypeScript Redux Storybook SASS SSR CSR Hydration Agile Scrum Umbraco CMS Accessibility Design Systems

Fullstack Engineer

NuCAL

Feb 2021 - Aug 2022 (1 year 6 months)

Developed the frontend of a no-code web app development platform for the U.S. market using Vue.js and JavaScript, and built backend services with Java (Spring Boot) and Node.js. Integrated third-party REST APIs, including an OAuth2 broker service.

Vue.Js JavaScript HTML5 CSS Bootstrap Java Spring Boot NodeJS Tailwind REST APIs OAuth

Junior Software Engineer

IITSystems

Sep 2020 - Jan 2021 (4 months)

Developed tablet software for coordinate checks and visualization using Python and Glade. Simplified the coordinate adjustment and calculation workflow from 10 actions to 6, lowering cognitive load for operators.

Python Glade