Maxim G.

Mobile Developer

Outsourcing
Senior
Chisinau, MOLDOVA
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My experience

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PentalogJune 2018 - Present

Mobile Technology Architect within a project aiming to develop a paid secure messenger solution for professional people. The application allowed a reproduction of an existing open source project and its deployment on the client's servers.
  • Forking the project by implementing additional functionality and payment options in order to rebrand it.
  • Tinkering with the project's old platform and debugging it in order to provide its refined rebuilding.
  • Releasing a new product using Objective-C, iOS SDK, JAVA, Android SDK, BDD, TDD, and Continuous Integration.
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PentalogFebruary 2015 - Present

Mobile Technology Consultant within the Technical Department of the Pentalog group.
  • Consultancy and technical audit missions to clients on various issues related to software architecture, design, deployment, administration and optimization.
  • Pre-sales consulting: comprehension of the client's business needs, proposal of estimations according to technical and functional requirements, proposal of functional prototypes, assistance to the clients throughout the entire project development lifecycle.
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PENTALOG CLIENT : Provider of IoT solutions for the automotive industryAugust 2017 - April 2018

iOS / Android Mobile Developer.
  • Analysis of the specifications.
  • Application development according to requirements.
  • Task estimation.
  • Preparing the delivery packages.
  • Communication with the client.
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PentalogJune 2017 - July 2017

Mobile Developer within the Pentalog Group.

Participation in a training session on React Native:
  • Study of the main React Native principles and notions:
    acquiring knowledge on the application development approach using
    JavaScript ES6, React Native and Redux or Flux for the data flow.
  • Development of three applications by implementing the new skills.
  • Gaining knowledge
    on the entire project process, from the beginning to its publishing on
    AppStore and PlayStore, with more focus on Android platforms, but with
    an insight on the iOS platform as well.
  • Learning how to implement the appropriate architecture using Redux and Flux.
  • Code review using ESLint.
  • Study of the Fastlane delivery automation tool.
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Mobile Technology and Connected Objects SpecialistJune 2016 - June 2017

Mobile Architect.
  • Developing the new architecture for the existing product, code refactoring and bug fixing.
  • Client consulting activities: comprehension of the client's business needs, proposal of estimations according to technical and functional requirements, proposal of reliable solutions for the existing critical problems, conflicts solving and negotiation.
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Publisher of journals and Internet sites for real estate advertisingFebruary 2014 - January 2015

iOS Developer.
  • Specifications analysis.
  • Application development according to requirements.
  • Client communication.
  • Tasks estimation.
  • Preparation of the delivery packages.
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EcotravelSeptember 2013 - January 2014

Team Leader and Developer.
  • Development of the iOS project.
  • Management of the iOS and web development teams.
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EcotravelMay 2013 - August 2013

Team Leader / iOS Developer.
  • Development of an iOS mobile application to create taxi bookings according to specifications.
  • Integration of the existing SOAP web services and definition of the interaction rules.
  • Integration of the PayBox payment system.
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Interactive entertainment solutions designerDecember 2012 - May 2013

iOS Developer.
  • Development of the iPad MIDI module according to the specifications (RMX2, AIR, Instinct DJ consoles integration).
  • Definition of the MIDI module architecture.
  • Development of the XML format for command-set DJ consoles.
  • Bug fixing.
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Asian Quality Control Services ProviderSeptember 2012 - November 2012

iOS Developer.
  • Development of the iPhone application according to the defined specifications and architecture.
  • In charge of fixing issues.
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Interactive entertainment solutions designerApril 2012 - August 2012

iOS Developer.
  • Definition of the project architecture and writing of the technical design document for the iPhone application.
  • Development of the iPhone application according to the defined specifications and architecture.
  • In charge of fixing issues.
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    AMR (Agro Market Ressources)December 2011 - April 2012

    Engineer - Developer.
  • Development of the Graphical User Interface of the application.

  • Development of the web service communication module of the application.

  • Development of the web services specifications.

  • In charge of carrying out tests.

  • Participation in the project estimates.
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    EasyflyerJuly 2011 - December 2011

    Developer within a team developing a QR code scanner application for iPhone and an application allowing to create, print, share and buy interactive flyers, brochures, business cards etc.
  • Implementation of new functionalities.

  • In charge of code writing.

  • Maintenance of iPhone projects.

  • Bug fixing.
  • More

    Leader in online real estateMay 2011 - November 2011

    Engineer - Developer within a team developing an iPhone application for the real estate sector. The application allows the customization of functionalities of the real estate agencies.

  • Development of the Graphical User Interface of the application.

  • Development of the web service communication module of the application.

  • Carrying out tests.

  • Participation in the project estimations.

  • Team size: 2 persons.
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    Pentalog High TechMay 2011 - July 2011

    Participation in an extensive training on iPhone.
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    DekartJanuary 2009 - May 2011

    System Developer.

  • Design and development of the security log on for MS Windows Vista / 7 OS based on biometry and Smart Card services.

  • Design and development of the authentications mechanism.

  • Integration of the biometric API and Smart Card API.

  • Development of the ODBC plug-ins for the database management.

  • Development of LDAP plug-ins for the centralized management tool.



  • Development of SOLARIS cryptographic driver for Zastava VPN solution.

  • Development of the cryptographic plugin for Zastava VPN software under SOLARIS 9 OS on SPARC machines and Windows 2000 OS.

  • Integration of the cryptographic libraries into Elvis SDK.



  • Responsible for developing the internal PBX.

  • Design of the dial-plan and call rules of PBX.

  • Deployment and configuration of the Asterisk server.

  • Configuration and setup of Open Source SIP clients for office employers XPro, Articulation (Palm OS).
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    PopshoreJune 2006 - January 2009

    System Engineer.

    Participation in the development of several projects:

    - Voice messaging service for Popfax customers.
    • Design and development of the voice message storage system.
    • Integration of the Eicon Diva API using Diva PRI E1/T1 boards and Diva BRI DSP boards.
    • Development of the voice message robot for voice message processing service.
    • Development of a voice processing dial plan and plug-in for Asterisk PBX.
    • Development of the Spandsp library used for Asterisk PBX with Digium E1/T1 boards.

    - Deployment and integration of T38 based fax servers for Popfax.
    • Design of the migration plan and specifications.
    • Deployment and adaptation of Callweaver PBX on existing fax servers.
    • Management of the interconnection with T38 gateways (NetConnect RO).
    • Redesign of the dial plans and reroute DID.
    • Testing of DID and maintenance of the T38 Fax servers.

    - Web page for PDA which allows Popfax users to use service from PDA devices.
    • Design and development of the web page using existing smarty templates from the main web page.
    • Design of the algorithm for the PDA detection.

    - Mail2SMS service for Popfax users, which allows clients sending SMS by mail.
    • Design of SMTP API for system integrators and simple customers.
    • Design and development of Java Daemon for parsing and processing emails.
    • Daemon deployment on servers in redundant hi availability mode.
    • Development of plug-ins for Nagious monitoring system.
    • Design and development of future options for B2B clients.

    - Mail2Fax service improvements, by adding a security certificate authentication system.
    • Design and development of a certificate storage system.
    • Design of the SMTP API for clients.
    • Carrying out research in Open Source libraries and project.
    • Testing and maintenance of the online service.

    - CDR billing project.
    • Development and improvement of a billing system for PopFax.
    • Analysis of the existing billing CDR format and error identification in current implementation.
    • Design of a new format of CDR.

    - Implementation of monitoring tools for the Popfax platform.
    • Development of monitoring plug-ins for Nagious and Cacti, collect statistics info.
    • In charge of monitoring the project.

    - MySQL database administration.
    • Research for redundant architecture.
    • Ensuring the migration to INODB engine and to MySQL cluster.
    • Testing and maintenance of DB servers.

    - Asterisk & Digium project.
    • Carrying out research in the use of DSP soft for the fax receiving and sending using Digium PBX E1/T1 boards.
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    Plus Computers GroupJune 2005 - September 2005

    Database and Network Administrator.
    Database and network administration.

  • Design of a database for internal data storage.

  • Design and development of network connections between existing hosts.

  • Maintenance and backup of the existing infrastructure.
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    ProSoftLabsAugust 2004 - May 2005

    Developer.
    Development
    of an accounting application for registering and process orders.

  • Design and development of an automation backup tool for the database.
  • Development of new features to the  applications.
  • More

    Plus Computers GroupOctober 2003 - June 2004

    Developer.

  • Design of applications for storing and processing internal data.

  • Development of various tools for report and statistics generation.
  • My stack

    Spoken languages

    GERMAN: Average
    FRENCH: Advanced
    ENGLISH: Advanced
    RUSSIAN: Native speaker
    ROMANIAN: Advanced

    Environment of Development

    CircleCI, Eclipse, Visual Studio, SUN Studio 10, XCode, GIT

    Protocols

    TCP/IP, MIDI

    DBMS

    Microsoft ft SQL Server 2000 Enterprise, MySQL, SQLite

    Software Testing

    ESLint

    Miscellaneous

    Continuous Integration, PayBox SDK, BASS SDK, zPlane SDK, DIVA API

    Mobility

    Android, iOS, iOS SDK, React Native, Android SDK

    Web Technologies

    Redux, Flux, SOAP, REST

    Development Methods

    TDD

    Languages

    Objective-C, C/C++, C#, JAVA, Swift, JavaScript, PHP

    Analysis Methods and Tools

    BDD (Behat), MS Visio

    Multimedia

    OpenGL

    Networks and Systems

    Linux, Windows, Solaris, MacOS, UNIX

    My education and trainings

    Bachelor's Degree in Radioelectronics and Telecommunications, Faculty of Radioelectronics and Telecommunications - Technical University of Moldova.2003 - 2007