Available for new projectsİstanbul, TR · RemoteFrontend Developer

Ümit ÇağlayanKırkoç

I'm an Istanbul-based freelance frontend developer and SEO consultant. For 10+ years I've designed and built interfaces for major brands. I've shaped the digital experience of Pegasus, TOGG, Ford Trucks, MacFit and many more — with speed, accessibility and attention to detail.

View workGet in touch
10+
Years experience
135+
Completed projects
10+
Corporate brands
Pegasus
TOGG
Ford Trucks
MacFit
Tavuk Dünyası
Hayat Su
KKTCELL
Beka Medikal
Revenue Danışmanlık
Hairpol
(01)About

I build user-focused interfaces that merge aesthetics with function.

With deep web design experience and a user-focused mindset, I build projects that are aesthetic, functional and set you apart from your competitors. For over a decade I've worked on the frontend for leading brands in Turkey.

Performance, accessibility and clean code are non-negotiable for me. In every project I aim to bridge the gap between designer and developer.

Services

  • 01Frontend Development
  • 02Web Design & UX
  • 03SEO & Performance
  • 04Responsive Design

Tools

TypeScriptReactNext.jsJavaScriptHTML5CSS3TailwindSCSSNode.jsGitFigma
(02)Selected Work

Portfolio

33 brands · 135+ projects

(03)Experience

Career journey

Etiya

Full-time · İstanbul · 5 yrs 2 mos

Principal Software DeveloperFeb 2025 — Present

Hybrid

Principal Web UI Developer / SpecialistAug 2023 — Mar 2025

Design system & Figma

Senior Web UI Developer / SpecialistAug 2021 — Aug 2023

Tailwind CSS, JavaScript +4

Nexum Creative

Full-time · Teknopark

Frontend DeveloperSep 2019 — Aug 2021

Sentez Yazılım

Full-time · İstanbul

Frontend DeveloperSep 2018 — Jul 2019

Vidizayn

Full-time · YTÜ Teknopark

Frontend DeveloperJun 2016 — Dec 2017

NicEye Group

Full-time · İstanbul

Junior Frontend DeveloperSep 2015 — Jun 2016
Full experience on LinkedIn
(04)Blog

Latest articles

All articles →
SEO·

Why SEO Must Be Planned From the Start When Building a Website

Why does leaving SEO until after launch end up costing so much on a new website project? What to think about from the design stage onward.

4 min read
SEO·

How to Set Measurable Goals and KPIs for Your SEO Service

How should you measure the success of your SEO efforts? A practical guide for business owners on choosing the right KPIs, setting goals, and reading reports.

4 min read
SEO·

What Does Backlink Profile Cleanup and a Disavow Service Do?

How harmful backlinks affect your rankings, and how a professional disavow service works. When is a backlink profile cleanup actually necessary?

3 min read
(05)FAQ

Frequently asked questions

What services do you offer?
Frontend development (React, Next.js, TypeScript), web design and UX, technical SEO and site performance, plus visibility work for AI search (GEO).
Do you work remotely?
Yes. I'm based in Istanbul and work remotely with clients in Turkey and abroad.
Which brands have you worked with?
I've done frontend development on the web platforms of brands such as Pegasus (flypgs.com), TOGG, MacFit, Ford Trucks, Hayat Su and KKTCELL. The full list is in the portfolio.
Do you build multilingual sites?
Yes. This site runs in Turkish, English, German and Swedish, and I've built trilingual corporate sites for clients.
Do you also build mobile apps?
Yes. I have seven iOS apps live on the App Store; all of them are listed in the portfolio.
How is pricing set?
I prepare a project-specific quote based on page count, languages, integrations and timeline. A short summary by email is enough to start.

(05) Contact

Let's build
something together.

umitcaglayankirkoc@gmail.com+90 530 182 43 14
LinkedInInstagram