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Web & Mobile app development.



Whether you need a fully functional application or an MVP, we develop web solutions of any size and complexity.


We invigorate your idea by rendering wireframes into interactive prototypes.

UI/UX design

A full spectrum of design services, from wireframes to full-scale design.

Performance optimization

We optimize your app’s performance to gain the max loading and speed.

Stack migration

A seamless migration from older technologies to a modern stack.


We develop custom backend layers, and optimize existing systems, empowering extensibility and performance.


Custom backends for web and mobile apps of various levels of complexity.

Platform customization

We modify out-of-the-box platforms to address functionality requirements.

Third-party integration

We integrate third-party systems, ensuring unimpeded data exchange.


A cross-technology migration and cross-framework backend porting.


Singulart builds native iOS and Android apps, allowing you to take advantage of the exceptional performance, UX, and reliability. We offer full-cycle mobile development services to provide outstanding digital experiences across mobile devices.

Mobile porting

We port existing iOS apps to Android and vice versa, maintaining their functionality.

Extension into mobile

We extend your existing solutions to mobile by developing native iOS or Android apps.

Apps for wearables

Open up a way for your customers to communicate and manage work-life balance with solutions for Android Wear or watchOS.

Team Extension

We are ready to cover your temporary resource gap by providing our in-house experts. We help you to solve any resource problem by delivering our expertise right in time you need it.

Front-end developers
  • JavaScript/TypeScript
  • HTML5
  • CSS3 (Less, Sass)
  • Angular
  • React
Back-end developers
  • PHP
  • C# (.NET)
  • Java
UX/UI Designers
  • Sketch
  • Zeplin
  • Figma
  • ReAdobe XDact
  • Adobe Photoshop
  • Adobe Illustrator
  • Invision
Mobile developers
  • iOS
  • Objective-C
  • Swift
  • Java
  • Android
  • BABok
  • Adobe XD
  • CustDev
  • Invision
  • Balsamiq
  • Agile|SCRUM
  • Agile|Kanban
  • PMI|PMBok
  • JMeter
  • Protractor
  • NUnit
  • NDbUnit
  • TypeScript
  • Linux|Windows
  • AWS, Google, Azure
  • CI|CD
  • Docker
  • Jenkins | Git | Github | SVN

How we work

Describe your project (problem)

Project analysis & estimation


Quality Control

Delivery & Deployment



Theseus Lab s.r.o.

Václavské náměstí 808/66, Nové Město, 110 00 Praha 1, Czech Republic.

+420 296 348-840

Silicon Valley Office

5201 Great America Pkwy. Suite 320

Santa Clara, CA, 95054


Minsk R&D Office

Platonova st. 1B, office 25, BC Victoria Plaza

Minsk, Belarus 220034