Software design & development studio
We build systems institutions trust and products people actually use.
Sekmen.Dev is a small studio specializing in .NET, Umbraco and modern web platforms — from bank intranets and investment tools to our own line of SaaS products.
Trusted by
What we do
Full-cycle software delivery, not just design.
We handle the whole stack — architecture, build and long-term maintenance — so your project doesn't stall after launch.
Development
Website & platform development
.NET & .NET Core, Umbraco CMS, cross-platform apps and bespoke integrations. As a certified Umbraco Partner, your site or migration is in experienced hands.
Design
UI/UX design
An empathetic, research-driven design process paired with slick, intuitive interfaces — because looking good and working well aren't a trade-off.
Modernization
Refactor & rebuild
We start by understanding your vision, your users and your constraints — then rebuild the parts of your system that are holding you back.
Recent work
Projects for banks, investment firms and institutions across Turkey.
A selection of platforms we've designed, built and shipped for clients.
Raised UK
Raised UK Website
Public-facing platform for a UK-based fintech.
Evelyn Partners
Evelyn Website
Wealth management site for one of the UK's largest advisors.
İş Yatırım
Trade Master
Trading platform front-end for a major Turkish brokerage.
Yapı Kredi Yatırım
Yapı Kredi Yatırım Website
Corporate & investor site for a leading investment house.
Garanti Mortgage
Garanti Mortgage Intranet
Internal mortgage operations platform for Garanti BBVA.
Türk Kızılay
Kızılay NSCEP
Program platform for the Turkish Red Crescent.
Türk Kızılay
Kızılay 2030
Strategic initiative microsite for Türk Kızılay.
Yapı Kredi Yatırım
Trade Box
Global financial markets trading platform.
Cazip Enerji
EnCazip Website
Consumer-facing energy platform.
Crema Creative Management
Crema Website
Agency site plus the CreatorMail platform built alongside it.
Crema Creative Management
CreatorMail
Influencer outreach & email campaign management platform.
Tüm-Tümpa Elektrik
Warehouse Management System
Internal WMS built for day-to-day operations.
Built in-house
Products we build for ourselves — and ship to everyone.
Alongside client work, we design and maintain our own line of small, focused SaaS tools under IQVerse.
GOO · School platform
Student records, attendance & parent communication
Grades, timetables and attendance tracking with built-in parent communication.
View product →GES · Quiz platform
Create quizzes, track performance in real time
Build and deploy assessments, then watch student performance roll in live.
View product →GYP · License tracker
Clients, licenses, payments & service requests
A lightweight CRM built for managing software licensing and billing.
View product →GST · Stock tracker
Inventory & expenses for small workshops
Mobile-first PWA for tracking stock and spend on the shop floor.
View product →Get in touch