Build IOS apps.Projects:1) Bondle: Bondle is the choice platform for secure, lasting conversations between multiple parties.Core modules: Conversations, Tasks, My Drive, DocumentsWebsite: https://itunes.apple.com/us/app/apple-store/id1212766369?mt=82) Eiscrm: The world's simplest CRM and lead management solution, built for the mobile Executive who needs to manage client relationships on the move!Core modules: Funnel, Leads, Opportunities, Contacts, TasksWebsite: https://itunes.apple.com/us/app/eiscrm/id1068185541?mt=8Technologies used:- IOS: Swift 3, ReactiveSwift, MVVM architecture, Objective-C, fully offline data sync- Backend: Parse (using https://www.sashido.io/), Spring Boot

Develop various features for the company's Business Intelligent system.Website: https://einsights.com/Technologies used: - Frontend: AngularJS- Backend: Java 8, Spring Boot, Spring MVC, Spring Rest Template, Apache Shiro, Google Guava, etc.

Manage various projects of customers from German, Japan, Australia. Main responsibilities include:- Build project's planning documents: Schedule, resource plan, quality plan, defect prevention plan, configuration plan, etc- Define and deliver clear written and verbal communications in all documentation and interactions- Manage expectations of all key stake holders of project. Ensure customer get what they want and team deliver what they can do- Provide guidance and leadership to all team members- Build positive and effective relationships with stake holders, peer and thoughout the organization- Build friendly working atmosphere among team members, encourage people to share and contribute ideas to the success of the project- Provide insight abour potential risks and issues. Initiate resolution and follow up with agreed actions until risks and issues are closed- Work closely with QA officer to ensure project's health are transparent and fully understand by all stake holders via report, metrics, KPIs, etc.Interesting topics:- Work with both Water Fall and Agile/Scrum models- Work with with many clients from Asia, Europe, US, Australia is interesting and challenging due to differences in working style and culture.

Work with various Java/PHP projects using Spring, Hibernate frameworks and Oracle, MySQL, PostgreSQL databases for both desktop based and Web based applications. As a senior developer and technical leader, my responsibilities include:- Support pre-sale activities like building technical proposals for Java based requests from customer- Study customer's requirement, write functional design, detailed design documents- Propose, design, build technical solutions for projects. Build base code structure so others can start working- Manage technical activities within project like coding, unit testing, code review- Setup test environment, deployment scripts, CI environment (Jenkin, Sonar, Nexus), SVN server, Git server, etc.Interesting topics:- Javamail/GnuPG: One of the most challenging task during this period is building a Java based email solution which allows users fetch emails via POP3/IMAP and send emails with support for GnuPG encrypting, signing. Javamail doesn't provide support for encryption/signature so I needed to customize Javamail's output to include encrypt/signature data correctly. There were quite many format details which needs to be care of, especially for email with attachments.- PHP Dependency Injection: in 2008 when PHP project started, there was no PHP frameworks similar to Spring for Java so I built a small framework which used Service Locator pattern as base framework for my project. There were many things can/should be improved in that framework, but in general it did it job in helping us to decouple layers of the application.Technologies used:- Spring, Hibernate, JSF, Apache Axis, SmartGWT, PHP, etc.- Tomcat, Apache- SOAP, RESTful web services- Javamail integrates with GnuPG for encryption/signature- Database: Oracle, MySQL, PostgreSQL- Platform: Windows, Linux

Freelance developer in free time, create Web based and Mobile applications.My apps for Blackberry 10:https://appworld.blackberry.com/webstore/vendor/75963Backend for management of users and their subscription for Spreadsheet Auditor:https://www.spreadsheetauditor.com/Interesting topics:- Get started with client side MVC frameworks, tried with AngularJS and ReactJS and now focus on AngularJS. Not yet use any of them for real project but would love to do that in near future.Technologies used:- JavaEE/Strut2, Android SDK, Blackberry 10 SDK, AngularJS, ReactJS, golang, PHP/Joomla, Docker- Database: MongoDB, MySQL- Platform: Linux, Mac OSX

Work as a C developer in customer's team. Main responsibilities include:- Study requirement- Coding- Unit testingInteresting topics:- First time working in Linux environment, learnt lots of things: emacs, GCC, GDB, cscope, using different Linux distros for work.- Design application using Agent/Worker, Controller model: Agent/Worker for real work, Controller for controlling of Agents. Communication was done in plain SocketTechnologies used:- C on Linux (Debian Sarge)- Platform: Debian Sarge