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$40 USD / hour
Flag of BANGLADESH
pabna, bangladesh
$40 USD / hour
It's currently 1:32 AM here
Joined January 5, 2017
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Atiyar R.

@atiyar

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$40 USD / hour
Flag of BANGLADESH
pabna, bangladesh
$40 USD / hour
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Software Engineer - .NET Core / Angular / Ionic

I'm here to help you solve your problem with my experience/expertise, and of course, to earn my bread and butter along the process. I've been coding for last 9+ years - from building shiny new things, to finding/fixing those heinous bugs, to identifying critical performance bottlenecks. At my job I worked on US-based client's projects, mostly enterprise applications, in collaboration with offshore teams. Recently, I've decided to start working as a full-time freelance developer (for, you know, that "freedom" thing). I've worked with various technologies in the past to build Desktop and Web applications. Nowadays I'm focused mostly on Angular, Ionic and ASP.NET Core.
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Portfolio

4640110
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
4640108
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
4640102
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service
4640110
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
A complete security solution, from simple Prox card validation to DVR video surveillance to Central Station monitoring, with real-time UI for event monitoring and security control facility on Desktop and Intranet client. Features: - Designed in service-oriented architecture to scale from a standalone application to a geographically separated multi-client system with distributed back-end - Developed in modular approach using plugin architecture. - Entire communication system was implemented with Publish-Subscribe pattern and IPC messaging My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were – - partial re-implementation and fixing of the messaging system to properly update UI and notify other clients - asynchronous processing of large data over remote services and update client with proper progress notification - fixing broken modules - performance tuning through modifying database triggers and stored procedures
An Enterprise-class Access Control Solution
4640108
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
A software application for configuring and controlling wireless door locks. Features: - Wired/wireless communication with proprietary gateway devices over TCP, with custom packets formatted for the device’s firmware according to client’s proprietary protocol specification and used as the TCP payload - USB device to perform the role of multiple gateway devices, loading the configuration data, one at a time. - Implemented using MVVM pattern with lots of UI customization. My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - integrating USB gateway to the system - data migration from legacy VB version - bulk insert to database with stored procedure under Entity Framework - overall performance tuning
Security Control System for Wireless Door Locks
4640102
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service
An initiative to provide quality medical service to the people in remote, rural areas in the country. Features: - Doctors would register with the system to attend and follow up their patients from anywhere in the country with the help of a remote assistant - Online patients serial/queue management - Patients medical history management - A remote webcam facility to take any snapshot necessary for the doctor. - PDF generation for the prescription - A remote service to print the prescription immediately on the patient’s end My contribution: As part of the team I had to work on the overall application. The parts done exclusively by me were - - the webcam feature - the PDF generation and printing feature
A Web Application to provide Telemedicine Service

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Experience

Software Engineer

Adaptive Enterprise Limited
Oct 2011 - Dec 2015 (4 years, 2 months)
Worked in collaboration with US-team on implementing multiple large-scale security system solutions for a US-based Security Product Manufacturer and its Subsidiaries.

Software Engineer

Exling LLC
Feb 2011 - Sep 2011 (7 months, 1 day)
Worked on implementing a web application to support a telemedicine service in the country.

Software Engineer

CryptoDART
Oct 2010 - Jan 2011 (3 months, 1 day)
Worked on implementing the in-house custom CMS solution for this startup.

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Top Skills

.NET
ASP.NET
AngularJS
Google Firebase
.NET Core

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