Maxim G.

Mobile developer

Outsourcing
Senior
Chisinau, MOLDOVA
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My experience

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Pentalog01.06.2018 - 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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Pentalog01.02.2015 - 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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Provider of IoT solutions for the automotive industry01.08.2017 - 01.04.2018

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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Pentalog01.06.2017 - 01.07.2017

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 Specialist01.06.2016 - 01.06.2017

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 advertising01.02.2014 - 01.01.2015

iOS Developer.
  • Specifications analysis.
  • Application development according to requirements.
  • Client communication.
  • Tasks estimation.
  • Preparation of the delivery packages.
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Ecotravel01.09.2013 - 01.01.2014

Team Leader and Developer.
  • Development of the iOS project.
  • Management of the iOS and web development teams.
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Ecotravel01.05.2013 - 01.08.2013

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 designer01.12.2012 - 01.05.2013

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 Provider01.09.2012 - 01.11.2012

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 designer01.04.2012 - 01.08.2012

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)01.12.2011 - 01.04.2012

    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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    Easyflyer01.07.2011 - 01.12.2011

    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.
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    Leader in online real estate01.05.2011 - 01.11.2011

    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 Tech01.05.2011 - 01.07.2011

    Participation in an extensive training on iPhone.
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    Dekart01.01.2009 - 01.05.2011

    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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    Popshore01.06.2006 - 01.01.2009

    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 Group01.06.2005 - 01.09.2005

    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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    ProSoftLabs01.08.2004 - 01.05.2005

    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.
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    Plus Computers Group01.10.2003 - 01.06.2004

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

    Networks and systems

    Linux, MacOS, Solaris, UNIX, Windows

    Languages

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

    Web technologies

    Flux, Redux, REST, SOAP

    DBMS

    SQLite, Microsoft ft SQL Server 2000 Enterprise, MySQL

    Analysis methods and tools

    BDD (Behat), MS Visio

    Development Environment

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

    Protocols

    MIDI, TCP/IP

    Software testing

    ESLint

    Mobility

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

    Miscellaneous

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

    Multimedia

    OpenGL

    My education and trainings

    React Native Self-training2017

    Swift 3.0 Training.2017

    Cybersecurity Training.2017

    "Pentalog Foundations" Training: PM role; Adapting the Pentalog Quality Management System (QMS) to a project; Estimation; Work Breakdown Structure (WBS) and Planning; Commitments, Constraints and Scope Management; Change Management, Traceability and Coverage; Typical Project Risks; Risk Management.2013

    "Fundamentals of JAVA" Training.2013

    "PM Tools" Training: PQP Light; Starting a new project.2013

    ʺQuality Deploymentʺ Training. 2012

    Android Self-training.2012

    ʺQuality Deploymentʺ Training. 2011

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