Websites
Fast, mobile-first, SEO-ready marketing sites that turn visitors into customers.
Software Studio
We turn your idea into a working product.
GoldSyntax is an independent software studio building websites, web apps and AI solutions for businesses.
What we do
Three areas that move your business forward — each one end to end.
Web Apps
Dashboards, tools and workflows — custom software that automates your work.
AI Integration
LLMs, prediction models and chatbots — intelligence added to your product.
Featured work
CafeSystem — QR Cafe Ordering & Tab System
Guests order from the table by scanning a QR; waiters, kitchen and owner manage everything in real time. Our own product — built end to end.
GoldSyntax Lab
Alongside client work we build our own products — the clearest proof of what we can do.
Lab
CafeSystem — QR Cafe Ordering & Tab System
Guests order from the table by scanning a QR; waiters, kitchen and owner manage everything in real time. Our own product — built end to end.
Next.js 16SupabaseRealtimeTypeScriptPWA
Lab
TimeToTime
A Chrome extension that instantly converts foreign prices and times you come across while browsing into your own currency and time zone, right where they appear.
Chrome ExtensionManifest V3Vanilla JS
Lab
feeltweet
A tool that replies to text in any language, infused with the emotion you choose.
HTML/JSLLM
Lab
SpikeSense
An AI-powered system that predicts the outcome of VALORANT esports matches.
PythonXGBoostAI
Lab
ValoChatbot
A chatbot you can ask about past VALORANT esports matches.
HTML/JSLLMPython
How we work
Few people, short cycles, high care.
01
Straight to the maker
No middlemen. You talk to the person who writes the code, start to finish.
02
Speed
Small team, short cycles. You see something working in days, not weeks.
03
Craft
The quality of this site is our standard — every detail is intentional.
04
Ownership
Your code is yours. No lock-in, clean handover.
Founder · Software Engineer
Furkan KOCA
GoldSyntax is the studio of software engineer Furkan KOCA — the kind of person who gets absorbed in the work and can't stop until it's done.
Have a project in mind?
Tell us about it and let's figure out how to build it together.