Sofiia Totska — Founder / Product engineer
ST — founder / product engineerRemote

Remote · 2026

Digital products,from idea to launch.

We design and build web & mobile products, backend systems and digital experiences — and stay involved after launch.

Web · Mobile · Design · Web3 · Backend · Support

What we build

One studio for the product: design, engineering, launch, and support.

Web

Websites, SaaS platforms, marketplaces, dashboards and custom web applications.

Mobile

Cross-platform iOS & Android applications, MVPs and companion apps.

Product design

UX/UI design, user flows, design systems and interfaces for web & mobile.

Web3 & blockchain

Web3 applications, wallet integrations, smart contracts and blockchain features.

Backend & systems

APIs, databases, authentication, payments, integrations and internal tooling.

Support & development

Bug fixes, new features, refactoring, improvements and ongoing product maintenance.

Four live products

Real products we've helped design and build — not concepts.

How we work

A studio process, not a one-off freelance gig.

01

Discover

We define the product, goals, scope and priorities.

02

Design

UX/UI, user flows and visual direction.

03

Build

Frontend, mobile, backend and integrations.

04

Launch

Testing, deployment and production setup.

05

Support

New features, improvements and ongoing maintenance.

Idea → design → build → launch → support

Why STDV

STDV is a digital product studio that designs, builds and supports web and mobile products from idea to launch.

One team

Design and development under one roof.

End-to-end

From the first idea to production and beyond.

Real products

Live products, not just concepts.

Flexible

Build from scratch or join an existing product.

Our toolkit

The stack we reach for on real products — frontend, mobile, APIs, and launch ops.

  • React
  • Next.js
  • React Native
  • Expo
  • Node.js
  • Express
  • NestJS
  • PostgreSQL
  • MongoDB
  • Prisma
  • Docker
  • Stripe

Field intake

Start a brief

Tell us what you need. We reply from the studio email.