Bikash Sen

Experience

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  Zee Interactive Learning Systems Ltd

  Sept 2001 - Jul 2002

  Java Instructor
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  Resource Management & Solutions

  Aug 2002 - Apr 2003

  Web Developer
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  Ontrack Systems Limited

  Nov 2003 - Oct 2004

  Consultant
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  IBM

  Oct 2004 - Aug 2010

  Advisory System Analyst
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  Wipro Ltd.

  Aug 2010 - Feb 2013

  Architect
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  Neev Information Technologies Pvt. Ltd

  Mar 2013 - Oct 2013

  Technical Architect
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  PCS Global Pvt. Ltd – ISO 9001:2008 Certified

  Nov 2013 - Jul 2014

  Technical Consultant
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  Capgemini

  Jul 2014 - Sept 2017

  Solution Architect

  As a Blockchain COE member, identified and implemented Blockchain PoCs to support Pre-Sales and delivery initiatives within Financial Services unit for specific customer demands.  Developed Blockchain PoCs using R3’s Corda and Hyperledger Fabric on Digital Trade Chain and Shared KYC use cases to show case to external customers including demo presentation. Conducted in Blockchain Hackathon and Techfiesta events to increase Blockchain awareness within the organization.  Trained more than 500 participants on Blockchain in different locations in India. Mentored to developed Loyalty program use case on Hyperledger Fabric v1.0 and Hyperledger Composer.As a Big Data Solution Architect, provided end to end high level solution design for live market research data usages analytical solution based on Hadoop and its ecosystems for one of the investment bank and financial services company. Show less

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  Self Employed

  Oct 2017 - Nov 2019

  Freelance Consultant

  Senior IT Architect and Leader in cutting-edge technologies like blockchain, distributed ledger (DLT), containerization and cloud.  Helping startups for building and deploying business Blockchain solutions and container based modern infrastructure setup.  Hands-on expertise on R3 Corda v3.0 and Hyperledger Fabric v1.4.1 with related tools and technologies including Hyperledger Composer and Hyperledger Explorer.  Designed and deployed production scale hybrid deployment of Hyperledger Fabric on a single Kubernetes cluster with AWS and existing data center considering HA, scalability and performance. Developed smart contract using NodeJS and Solidity. Integrated IPFS with Hyperledger Fabric for off-chain document storage. Integrated HSM for generation and storage of cryptographic keys via the PKCS#11 interface. Provided corporate trainings on Hyperledger Fabric, R3 Corda and Kubernetes. Conducted international corporate training on advance Blockchain in Riyadh, Saudi Arabia. Show less

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  SUJOSU Technology

  Dec 2019 - Dec 2020

  Senior Architect

  As a Senior DevOps Engineer, mainly focused on end-to-end design, development and deployment of microservices based architectures which includes automation, containerization and configuration management on cloud as well on-premise.  Designed and implemented container-based production deployments using Docker, Docker Compose, working with Docker images, Docker Hub and private Docker-registry. Managed Docker orchestration and Docker containerization using Kubernetes and Helm. Access control using Kubernetes's RBAC. Built and manage a large deployment of CentOS7 Linux instances systems with Ansible automation. Lead transition from manual configuration and deployment to ‘infrastructure as code’ using Ansible, including design and implementation of playbooks. Setup and maintain AWS site-to-site VPN with customer’s existing data center. Design roles and groups using AWS Identity and Access Management (IAM). Created monitors, alarms and notifications for EC2 hosts using Cloud Watch. Setup, configure and manage cluster monitoring using Prometheus and Grafana, centralize log management using ELK stack, HA load balancers using HAProxy and Keepalived, ingress using NGINX Ingress Controller, service discover using Consul and service deployment using Helm on Kubernetes cluster. Show less