Work Experience
Position: Software Engineer (July 2007 - Present)
Company: Meridium Technologies Pvt Ltd
- Built Voice Logger for prisons in Jharkhand to help them contain the issue of illegal mobile phones inside prisons. Developed the solution with Asterisk, AGI, PHP, Bootstrap and MySQL
- Developed Call Broadcasting, ACD and IVR solutions for clients with Asterisk, AGI, PHP and MySQL
- Developed custom features, reports, did bug fixing and improvisation of Dialmantra on-premises dialer capable of handling inbound/outbound calls through SIP trunks and PSTN/PRI Lines
- Integrated APIs like Amadeus and HotelsPro and payment gateways/APIs like Authorize.net, E-xact and Stripe with websites and custom CRMs developed to streamline businesses
- Deployed solutions and worked on cloud platforms including AWS, GCP, DigitalOcean, Vultr etc.
- Integrated various hardware with Asterisk including FXO/FXS gateways, IP Phones, PRI Cards and USB Cards
- Integration, debugging and troubleshooting of Asterisk with different SIP trunk providers
- Experience of working on platforms like didww.com, tollfreeforwarding.com, Twilio and 8x8
- Developed many websites and CRMs with PHP, Bootstrap, MySQL etc
- Customization and troubleshooting of VICIDIAL for clients
Position: Senior Software Engineer(Jan 2021 – Dec 2023)
Company: Collaberus Technologies Pvt Ltd
- Led the team for design and development of the Dialmantra Cloud platform (dialmantra.in), a multi-tenant CCaaS product for web/Android/iOS. Developed with Asterisk, WebRTC, Django, React.JS, React Native and PostgreSQL
- Led the team to design and build Amotus (amotus.online), a screen sharing application for desktop, Android and iOS platforms using electron.js, React Native, Node.js, WebRTC and PostgreSQL
- Deployed solutions on cloud platforms like Vultr, GCP, DigitalOcean
Position: Junior Software Engineer(March 2006 – July 2007)
Company: Quadrant Infotech India Pvt Ltd
- Developed different websites for the company and its subsidiaries with HTML/CSS/PHP
- Contributed to the in-house web-based solution to manage the business using .net and MS-SQL. Developed custom AJAX modules for the web applications to support desktop applications in VB.net
