Decentralized application development

Producing Trust on each platform

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About company

We are engaged in a full cycle development of the systems based on DLT. Dappunion is a unit of MobileUp. We are in development since 2009, we have done more than 200 projects, our team is certified by Google. We produce Trust on each platform.

Hard facts

What we work with

Full cycle development and design of DLT-based system.

  • Building Decentralized Apps

    Full stack web and mobile development.

    • — Back end
    • — iOS
    • — Android
    • — Web
  • Smart Contracts

    Custom smart contract development.

    • — Design & Development
    • — Architecture
    • — Optimization
  • DLT systems

    Full cycle development and design of DLT based system.

    • — Hybrid centralized systems development with blockchain components
    • — Private blockchain
    • — STO


  • Ethereum
  • MultiChain
  • POA Network
  • TRON
  • Hedera Hashgraph
  • Waves
  • Hyperledger
  • Kotlin
  • Java
  • JavaScript
  • TypeScript
  • ReactJS
  • RxJS
  • Node.js
  • Objective-C
  • C++

Examples of our experience

  • User verification Platform

    The project is designed to make the process of transferring, storing and processing personal data by companies safe and transparent. The project was developed in accordance with the GDPR. The project is under NDA.

  • Mobile app user interface

    Decentralized Lottery

    The decentralized lottery, based on Ethereum smart contracts guarantees fair play, ensures transparency of the game process and settlement. The project is under NDA.

  • Desktop app user interface


    Longplay is the decentralized private key recovery service. The unique thing is that Longplay doesn’t require a user to store any password or encryption key to recover the data. Longplay is the white-label solution for wallets, exchanges, Dapps and blockchain platforms to provide recovery option to their users, becoming more competitive.

  • The Code

    Lottery logic design and development; development of technical specifications; Smart Contract Development. Project under NDA.

How we work

We help to build a successful product and perform the following tasks:

  • Concept

  • Design

  • Technical design

  • Development

  • QA

  • Audit

  • Deployment



  • — Discussion of goals and tasks
  • — Refinement and improvement of the idea
  • — Selection of technology for the project
  • — Deadlines discussion
  • — Discussion of the approximate cost


  • — Sales manager
  • — Technical Architect
  • — Technical lead
  • — Analyst
  • — UX lead


  • — Design Sample
  • — NDA
  • — Proposal
  • — Requirements specification



  • — Research & analysis
  • — Prototyping
  • — Design conception
  • — Design all layouts & states
  • — UI-Kit & preparation for dev


  • — Art director
  • — Designers


  • — Mockups
  • — Graphic design

Technical design


  • — Competitive analisys
  • — Building architecture


  • — Business analyst
  • — Project Manager
  • — Technical Architect
  • — Technical lead


  • — Software Design Document



  • — MVP
  • — Alpha
  • — Beta
  • — Release candidate


  • — Team leads
  • — Developers
  • — Technical Architect
  • — Technical lead


  • — Source Code
  • — Application



  • — Creating test-cases
  • — Testing features
  • — Finding bugs and creating bug-reports
  • — Testing fixes of bugs
  • — Providing Full test of release candidate


  • — QA Lead
  • — QA Engineer


  • — Application ready for release



  • — Internal security audit


  • — Technical Architect
  • — Technical lead


  • — Report



  • — Publish a smart contracts in the blockchain
  • — Loading frontend in the distributed storage or on the server
  • — Publish mobile clients in the stores


  • — Project-manager
  • — Technical lead


  • — Release

Our team

  • Sergey Denisyuk

    Sergey Denisyuk


    In 2009, he founded MobileUp. He knows everything about the development of IT start-ups, project management, interaction with customers and the introduction of high technologies.

  • Eugene Valeev

    Eugene Valeev


    He has been working in mobile development field for 9 years. He is engaged in the architecture of applications and the issues of technological development of the team.

  • Alexander Khoroshevsky

    Alexander Khoroshevsky


    Develops project concepts, delves into the details from goal to implementation and offers alternative solutions to problems. Accompanies projects in the process of developing ideas and design. Has much respects for TRIZ (theory of the resolution of invention-related tasks).

  • Olga Tiagunova

    Olga Tiagunova


    A proffesional with 8 years of experience in IT, blockchain and music marketing.

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  • Eugene Denisov

    Eugene Denisov

    Project Manager

    Has been managing mobile development at MobileUp for more than 6 years. He likes complex tasks and unusual projects.

  • Philip Filchenko

    Philip Filchenko

    Art Director

    7 years in mobile design. Supervises the design department of MobileUp. Developed the design of applications for, Velogorod, First Channel.

  • Vasily Chirvon

    Vasily Chirvon

    Lead Android Developer

    On Android since 2013, he loves to code and despises bad design. Also, draws bears. «Code Well or Die».

  • Kirill Sidorov

    Kirill Sidorov

    Frontend Developer

    For 4 years has been engaged in the development of web services of varying degrees of complexity and subjects. Most of all, appreciates the aesthetics of the product in all aspects.

  • Dmitry Gorbunov

    Dmitry Gorbunov

    Lead Android Developer

    For 5 years has been engaged in mobile development for Android. He’s fond of developing architecture,and likes to work with beautiful animation and design.

  • Ilya Filinovich

    Ilya Filinovich

    Leading iOS Developer

    Previously, he worked in the military-industrial sector, this is his 3rd year in iOS development. He alternates between complex projects with simple ones. Notably, he never refuses to make an interesting design or animation layout.

  • Alexandra Kochetkova

    Alexandra Kochetkova

    Head of Testing Department

    In IT since 2012. She started her career as a business analyst for systems and portals for large customers. Now she controls the quality of mobile applications. She also has participated in more than 25 released projects.

  • Oleg Shirokov

    Oleg Shirokov

    Project Manager

    Manages mobile and web projects since 2012. Previously, he was engaged in municipal services. Projects of different calibers are in his portfolio, including, DMV Genius and Yami Yami.

  • Roman Krivonosov

    Roman Krivonosov

    Frontend Developer

    He has been engaged in web development since 2011. Worked in such areas as: medicine, banking, accounting, and blocking. In addition to the web, we are interested in and practice game development.

  • Ilyas Gayfullin

    Ilyas Gayfullin

    Interface Designer

    In the design of mobile applications for 4 years. Loves interface animation and well thought through solutions. Developed the design of applications for the updated, Yami Yami, and Iskusstvo.Vsluh.

  • Vladimir Mochalov

    Vladimir Mochalov

    Android Developer

    In application development for Android since 2016. He likes to explore new technologies and approaches. Before then, automated testing at Yandex for 5 years.

  • Nikolay Timonin

    Nikolay Timonin

    iOS Developer

    Is engaged in development for iOS for 2 years. He likes UX-design and creation of eye catching animations. He thinks that the day was wasted if he did not learn something new in the field of development. More recently has gotten interested in blockchain.

  • Ilya Biltuyev

    Ilya Biltuyev

    iOS Developer

    After buying the iPhone, fell in love with Apple’s style and their applications, decided to start a career in mobile development. In his spare time he develops mobile games.

  • Daria Kurkina

    Daria Kurkina


    Has been engaged in testing for 2 years. Interested in the specifics of mobile applications, seeks to evolve as QA, and considers this area promising and extremely interesting.

  • Dmitry Rozov

    Dmitry Rozov

    iOS Developer

    Has experience in developing applications for all popular mobile platforms. Likes clean and intuitive design.

  • Polina Demidova

    Polina Demidova

    iOS Developer

    Participated in the creation of Velogorod, Pervy Kanal,, DMV Genius and Yami Yami. Loves mobile development for the opportunity to solve new and interesting problems every day.

  • Beata Sakharova

    Beata Sakharova

    Marketing and PR Manager

    Works in the Digital field for her 5th year. Organizes participation in events, publications in the media, and is responsible for the company’s marketing strategy. She likes high tech and everything connected with them.

  • Timur Repin

    Timur Repin

    Interface Designer

    Loves cats and interfaces. He considers that the main thing in design is the neurotransmitters.

  • Denis Tkachenko

    Denis Tkachenko

    Android Developer

    Started with Python, then Java SE and, for the 3rd year, in Android. Now works in Kotlin. As a hobby, remotely supervises the IT-department of another company. He’s also fond of electronics and is building a «smart home» system at his place.

  • Konstantin Kulikov

    Konstantin Kulikov

    Android Developer

    In mobile development since 2015. Likes Android, Material Design and black and white photos.

  • Vladimir Shedko

    Vladimir Shedko

    Android Developer

    5 years of software development, including Android. Had projects done for Sberbank and the network of cinemas Mirage Cinema. Likes to work with microoptimizations.

  • Denis Vakhidov

    Denis Vakhidov


    He likes testing for the opportunity to creatively approach the process. Strives to develop in this direction.

  • Mikhail Chesnokov

    Mikhail Chesnokov

    Project Manager

    Has been managing mobile and web projects for more than 2 years. Prior to this, was developing applications for iOS and Android and backend for them. Also, ht’s fond of ancient Indian astrology, his own project is dedicated to it.

  • Alexey Polyusov

    Alexey Polyusov

    Android Developer

    2 years of development for Android. Loves this operating system for its openness and great customization capabilities.

  • Nikolay Popov

    Nikolay Popov

    R&D Engineer

    With 6 years in R&D, he works on tasks related to computer vision, machine learning, and signal digital processing.