Image of Vishal Biswas

Skills

Vue.js5 yrs
NodeJS4 yrs
AWS4 yrs
React2 yrs
Python2 yrs

Projects

Geofactor

2022 - Present

geofactor.com
ReactPythonVue.jsNodeJSMongoDBMySQLAWS EC2AWS S3AWS SESAWS CloudWatchNext.jsLaravel
  • Up to 600k data points visualized on a map with instant demographic filtering.
  • Migrated UI + Functionality from Vue to React.
  • Stateless NodeJS microservice to isolate interaction with 3rd-party service providers.
  • OAuth2 SSO as an identity provider for white-labelling.
  • Diverse campaign management flow including Predictive Modelling, Digital Ads and Postcards.
  • Crafted a beautiful and cohesive tracking / analytical dashboard.
  • Boosted PageSpeed using Wordpress for reusable landing page templates.

Custom Solution: Print Optimizer

2023

NodeJSMongoDBAWS LambdaAWS EC2AWS S3
  • 100k Letter PDFs processed daily using OCR for reading address and overlaying barcodes.
  • 1,000+ parallel execution units of print sub-processes using MongoDB as master store.
  • Scaled up NodeJS microservices for each sub-processing step using AWS Lambda.
  • Strict SLA adherence, incident postmortems on Atlassian Confluence and resolution support.

EDDMStore

2020 - 2022

Vue.jsNodeJSPythonFlaskMongoDBMySQLAWS EC2AWS S3
  • Canva-like design studio with personalized content for each recipient.
  • NodeJS microservice to serve 200k+ EDDM routes optimally cached in MongoDB.
  • NodeJS based Design to PDF automation microservice (puppeteer) for printing.
  • Flask microservice to transform user customized design to a print ready format for 10k+ recipients.
  • IndexedDB based custom state management to restore draft campaigns in milliseconds.
  • Extended mapbox with a custom-made polygon / geofence drawing plugin.
  • Adobe InDesign plugin to convert design templates into Web compatible format.

Talking Rhino

NodeJSAWS LambdaAWS EC2AWS S3AWS RDSAndroidJavaKotlinLaravel LumenAngular
  • Designed a story/learning app for Amazon Alexa and Google Home using NodeJS and AWS Lambda.
  • Devised an advanced recognition algorithm to assess the child's spoken words for pronunciation accuracy.
  • Integrated with Firebase to send targeted marketing and bulk scheduled notifications to users on Android and iOS.
  • Complied with Google and Amazon's policies regarding apps for kids.

White-labelled Investment Platform

2019 - 2020

AngularAWS RekognitionAngular MaterialNativeScript
  • Goal based investment app white-labelled by 5+ globally renowned banks.
  • Online camera e-KYC using AWS Rekognition confidence scores.
  • Modularize monolithic app into compartments for role and white-label based activations.
  • HTML-to-PDF report generation using wkhtmltopdf.
  • Created a Progressive Web App (PWA) with Angular Material for a native-like app experience.
  • Mentored junior developers and conducted code review discussions.

PICKL

2018 - 2019

pickl.pro
Vue.jsLaravel
  • Role-based UI feature activation (Brand, Admin, Superadmin).
  • Comprehensive analytics dashboard with metrics on revenue and engagement.
  • Impersonation - admins can perform any action on behalf of a brand.
  • Subscription and transaction systems powered by Stripe.

Alumni Alliances

AngularAndroidJavaAWS EC2AWS S3AWS CloudFront
  • Developed a custom CRM for comprehensive user and resource management on the main site.
  • Enhanced SEO performance by leveraging Angular Universal to perform Server-Side Rendering on posts and user profiles.
  • Optimized marketing workflow with Conversion Tracking and solving Email Deliverability issues.
  • Established a Display Ads mechanism enabling 3rd party sellers to effectively market their products.

Experience

Volga Infotech

Web Developer

2018 - Present

Education

BCA

YCMOU

2017