Tanvir Hossain.

May 2019 - Present

• ▹Project Management:
  • •Gathering information from the internal stakeholders, made a structured document of requirements for the software vendors.
  • •Analyzed requirements with software vendors and helped them to create SRS (software requirement specifications).
  • •Managed software tests face-to-face, reported bugs and managed solutions to the bugs. After successful UAT made available in live operations.
• ▹Web Development:
  • •Developed some web-based and Android app-based software according to needs of the company.
  • •Built some automated scripts to get information management from the system for the internal stockholders through SMS and Microsoft Teams (messaging app).
• ▹Support:
  • •Managed troubleshooting for the Linux and Windows-based servers and applications.
  • •Made backup and restored (if needed) databases.
  • •Provided support to the sales support team and installation support team for daily operations.

April 2017 - Mar 2019

• ▹Project Management:
  • •Understand requirements from the client, make SRS with the team and finalize from the customer.
  • •Distribute development work to the team members, follow up and make sure of completion within the timeline.
  • •Test the software by the test team and deliver it to the customer.
  • •After successful UAT made available on air.
  ▹Support:
  • •Troubleshoot and fix customer issues.
  • •Linux-based server maintenance and database management.

Feb 2015 - Sep 2017

• ▹Development & Support:
  • •Developed inhouse application software with Laravel.
  • •Responsible for all kinds of payments through the payment gateway.
  • •Execute and deliver promotional campaign offers to customers.
  • •Create web-based customer service.
  • •Ensure notification system (e.g. SMS..) to customers after delivery of service Create or update scheduled job-based PHP script.

Nov 2011 - Jan 2015

• ▹Activities:
  • •Responsible for all kinds of payments through the payment gateway.
  • •Responsible for all kinds of user service-related applications like bonus or offer user services, change of user status etc.
  • •Create or update cronjob-based PHP script.
  • •Create or update web-based applications.
  • •Successfully completed as a team member for the billing migration project.
  • •Monitoring, analyzing, and 2nd level troubleshooting of WiMAX infrastructure operating on Huawei devices which are Huawei ASN Gateway WASN9770, Huawei Quidway Router NE40E-8, NE40E-X3, Huawei Quidway Switches S9303, S5328, S3328, Huawei WiMAX BSS node such as DBS3900 (APM30, APM30H, APM200).

Aug 2008 - Nov 2011

• ▹First & Second Level Support for Utimaco System:
  • •GSM & CDMA MSC implementation, troubleshoot & maintenance with LI interface.
  • •Upgrade GSM & CDMA MSC with LI.
  • •Sun Server maintenance.
  • •Sun database backup/restore on/from tape drive.
  • •24/7 support based on customer request.
  • •Inform third level (R & D) for repetitive fault and install patch (solution) accordingly.
• ▹First Level Support for Trovicor System:
  • •Monitor and troubleshoot SS7 to ISDN PRI converter.
  • •NTP server and client maintenance.
  • •Firewall setup for IP connectivity with GSM & CDMA Network Element.
  • •Windows 2003 & Fedora Linux Server maintenance.
  • •Microsoft SQL database 2003 server and SAN storage management.

Nov 2006 - Jul 2008

• ▹Activities:
  • •Monitor ISP server and client Network.
  • •Configure DNS, DHCP, Proxy, mail, ftp & web server.
  • •Providing support based on customer request.