Based in Bulgaria. Built for everywhere.

Custom software. Built for your business.

We build web, mobile and desktop applications, connect your systems and maintain the software you already rely on.

Talk directly with Boris, the developer behind MSS.

From the interface to everything behind it.
Web applications Mobile & desktop APIs & databases Ongoing development

What needs to work better?

Start with the problem you want to solve. We plan the interface, the data and the work behind them together.

Websites & web applications

From a focused company website to a customer portal or business platform, we build interfaces that are clear to use and connected to the systems behind them.

React Next.js TypeScript PHP Laravel
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Mobile & desktop software

Give people the tools they need, wherever the work happens. Native iOS, cross-platform mobile and desktop applications connected to your data and processes.

SwiftUI React Native Expo C# / .NET C++ / Qt
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APIs, databases & integrations

Connect separate systems, organise business data and build the logic that keeps your product moving. We think through the whole journey from a request to the right result.

Node.js / Express PHP Java / Spring Boot Python / FastAPI Django C++ / Crow MySQL PostgreSQL MongoDB Firebase Supabase
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Cloud, deployment & automation

We help prepare environments, connect cloud services and automate repeatable delivery and data tasks. The hosting model, monitoring and ongoing responsibilities are agreed for your project.

AWS Microsoft Azure Docker Linux Python Bash
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Systems, robotics & embedded software

For specialist projects, the founder brings C/C++, Python and robotics experience alongside web and data development. We begin with the device, protocol and constraints, then define the work that can be delivered and tested.

C C++ Python ROS2 Arduino Raspberry Pi
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Maintain, improve & evolve

Bugs, slow pages or an unfinished feature do not always call for a rebuild. We review your existing code and agree on practical improvements, with the support scope defined for your project.

PHP JavaScript MySQL Python
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Real problems. Practical software.

Explore our experience

Experience of the founder, including work completed before MSS. Illustrations represent the type of system, not client screenshots.

From the interface to the hardware.

A broad engineering background, brought together around your project. We choose the tools that fit the task and the systems you already have.

Explore the full technology stack

From the first conversation to software you can use.

You work directly with the person building your software. Shared context, visible progress and a clear next step.

  1. 01

    Agree on the first useful version

    We discuss your goals and existing systems. You get a defined scope, priorities and a plan for the first stage.

  2. 02

    Build with you

    You review working parts as they take shape. We check the important workflows together and decide what comes next.

  3. 03

    Put your software to work

    Your software is prepared for release with setup and handover guidance. We agree on any further support, fixes and development.

Boris Milev
Boris MilevFounder & software developer
MSS

A direct line to the developer.

Milev Software Solutions is founded by Boris Milev, a full-stack developer based in Bulgaria.

Get to know MSS

What should your software do better?

Describe the task, the system or the idea. Boris will discuss the scope and next steps with you.

Discuss your project