Vikash Srivastava Email & Phone Number

Dublin, Ie

Dublin, County Dublin, Ireland

Bangalore Urban, Karnataka, India

Built end-to-end carrier grade audio communication system which handles more than 10 million calls per day using opensource tools like FreeSWITCH, Kamailio, Opensips etc.The system is designed to offer 99.99% uptime, fault-tolerant and is horizontally scalable up to the AWS limit.Driving tech roadmaps, estimating, planning, and executing sprints, reviewing deliverables, and applying best practises throughout the development process are some of my primary responsibilities.Also translating business requirements into technical specs, Defining and designing the architecture with diverse alternatives, turning architectural choices available to poc, and benchmarking it.Following are some of my major contributions:1. Built a highly available and scalable WebRTC based communication system capable of handling millions of calls.2. Support for real time speech recognition, transcription, Machine/Voicemail detection, real time audio streaming etc.3. System compliance for STIR/SHAKEN, SOC2, GDPR regulations.4. Designed a conferencing solution capable of handling large audio conferences.5. Re-Architectured complete stack to achieve 99.99% uptime, highly scalable system.6. Improved the audio quality in calls by 50% (based upon average MOS score).7. Reduced cost by 40% by efficient utilisation of resources.Some of tools used for maintenance and monitoring of the system:1. Monitoring - sensu, grafana2. Logging - Kibana, Scalyr, Newrelic3. Cloud Platform - AWS4. CI/CD - CircleCI, Jenkins5. Container - Dockers, ECS6. Automated Deployment - Chef, OpsWorks, Packer7. Infrastructure Orchestration - Terraform

Bengaluru Area, India

Bengaluru Area, India

Noida Area, India

Part of a twenty-person team that is in charge of developing SIP endpoints. I gained experience in the networking and telecommunications fields while working on this project. I've worked on SIP, RTP, IPSec, 802.1x, L2TP, and other network/communication protocols.My key responsibilities are:Requirement gathering, analysis and implementation.Project documentations: FSD, HLD, LLD and knowledge base documents.Maintaining project workflow using JIRA, WBRT etc.Fixing bugs in the application. Delivering project training and knowledge transfer.Involved in interaction with client, requirement gathering, task estimation etc. Responsible for development of new features and maintenance of existing features.Design and implementation of VPN feature in NEC’s IP Deskphone from scratch.Implementation of Call Manager, Configuration Manager, XML server, GUI and Program Downloader (using Curl) in NEC’s IP Deskphone.Design and implementation of Certificate Management (Public Key Infrastructure) for HTTPS, SIP-TLS, 802.1X EAP-TLS and VPN. Setting up different build environments like Ubuntu and Window servers (like DHCP, DNS, SNTP, Radius (EAP-TLS), IIS etc.)Setting up different VPN environments using Cisco ISR, Netgear, HP and D-Link switches.

Noida

Noida, Uttar Pradesh, India

- Incubated as an Innovative Startup by the Karnataka state government in India.- Created a user-friendly product from the ground up and grew the company from zero to 25,000 customers.- Hands-on experience with technology development, financial analysis, budgeting, and management.- Selected and hired a self-motivated technical team, and encouraged them to be hardworking and customer-focused, allowing them to work with little day-to-day supervision.- Conducting extensive market and competitor research to evaluate company performance and develop a strategy.- Incubated by Bengaluru's NASSCOM 10000 startups.

Renukut Area, India

Hindalco Industries Ltd is a subsidiary of the Aditya Birla Group and one of India's largest aluminum producers. I began as an intern in the organization's IT department, where I learned about organisational culture, work ethics, and practical applications of computer networks and databases. Application development and network management are among my responsibilities.

B.Tech, Computer Science, A

Intermediate, Mathematics And Computer Science, A