Wekan helps companies grow by modernizing their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies. I engage with Finance, Insurance, Healthcare and other E-Commerce companies that use MongoDB. I understand the problem and analyse their current setup. I come up with recommendations for performance tuning, cost optimisation, database security, deployment strategies, etc.

I worked as a senior architect at Logistimo - involving full stack web application development using Java, Spring, AngularJS and MySQL. I build Android applications using Android SDK and React-native.Owned development of web applications utilizing AngularJS, Java, Spring Framework, and MySQL, enhancing business processes and user experienceOwned mobile applications development using Android SDK and React native ensuring high performance and reliabilityEngineered Python-based utilities to identify and rectify data inconsistencies within customer databases, significantly improving data integrity and operational efficiencyLeveraged AWS cloud services like EC2, S3, Kubernates and Argo-CD for streamlined deployment of projects across development, staging, and production environments, achieving optimal deployment workflows.

I work with startups and help them incubate their idea and convert into a prototype that can be demonstrated to VCs for funding. I also work with education institutes teaching full stack development using java and python programming, big data and machine learning, mysql and Mongo DB, react JS and angular, dJango and fllask. Levenstein distance Algorithm was used recently to find closely matching strings. I offered training in Python, Pentaho, Java to interested candidates.I'm working on a Android app for boutique management.

Integrations with vendors using REST and SOAP APIs was my responsibility. Kafka was used as a persistent queue. Usage of Pentaho Data Integration tool reduced maintenance cycles significantly. Pentaho Server was used for cleansing data. Uploading third-party logs into HDFS, running Map Reduce jobs and loading data into Vertica. Test automation scripting.

Providing vacation rentals all over the globe is our business. We help vacation travellers to find cheap rental spaces for vacation in private homes. At the same time make sure their security is not compromised by validating their KYC using API’s. Integrating payment gateways, vacation rental channel partners, data and website security are current responsibilities. Design, development, testing and deployment to production are major responsibilities. Data was collected wherever possible by parsing websites and other formats like XML, JSON. CSV. etc. Apache Spark was used to analyse data through Map Reduce jobs. Classification of the users using python machine learning libraries.Used Python Flask to build HeyBnb Admin screens for backend operations. Used Numpy, other Python ML tools to identify prospective users. Used Python OpenCV tool to validate KYC documents.

I started the technology division ground up to launch heypillow.com. This is a one-stop real estate site allowing public to post housing ads, signing up for interior home decoration, mortgage planning, agent lead management, etc using Yii2 Framework i.e. LAMP stack. Monitoring real estate trends using smart crawlers in python and constantly improvising to detect trends, assigning tasks and monitoring, bug tracking, vendor management, team management, hiring tech staff, are main responsibilities. AWS was used to make deployment extremely simple. Security measures to avoid hacks, cross-site scripting, SQL-Injection, DDOS attacks, Data Security etc are implemented to make the site secure. Reports using Big Data Analytics using Amazon Red Shift were implemented for data crunching and report generation. Site and database performance management to load website in less than 2 seconds is everyday challenging task. Data was collected from third-party property data providers in various formats that was integrated into our database. Scraping was used to extract basic data information.I also managed heyspoon.com - a food domain portal built using Node JS and MySQL. API's are built to support search requests from the UI. Standard CRUD, search optimization, chat, payment, table booking, ratings, socializing, internationalization, etc are some of the standard features that need to be developed and monitored. Used Word Press and Drupal to manage the content for HeySpoon.

Owned Listing Pipeline module and delivered content for ad campaigns. This is a multi-threaded application built in Java. Image processing, performance tuning and content deployment were some of the major responsibilities. Scheduled jobs to load terabyte data from flat files into mysql db using Pentaho. Java, Mysql, distributed processing, User behavior analysis, report generation from big data using Hive and Pig and Tableau.

Designed a rule-based ‘Web Crawler’ and a search engine using python, Django, Mysql and XML. Designed and implemented security framework for gaming domain. Designed and implemented payment gateway framework for gamers to recharge their gaming pleasure through 3rd party cards like Itzcash, Sify, Reliance, etc.

Designed and implemented enhancements to ‘Pricing Module’ and strategies for extracting stock prices from vendors to pricing database. Designed and developed a price DWH to forecast movement of stock prices over a period of time.

Designed Oracle Database to store large volumes of unstructured content and XML metadata for Oracle ECI using Java/J2EE technologies. Designed and developed interfaces between Oracle ECI and other Content Management Systems like Documentum, Open CMS, Filenet and Microsoft Sharepoint.

Heterogeneous RDBMS Replicator using Java/JDBC and Integrating dataflow between Data Stage, Data Junction and Informatica.

Jan 2001 - Jul 2002 Onsite Manager, Lakeview Technology, Burlington, MA, USA Heterogeneous RDBMS Replicator using ‘C’ for Lakeview Technologies (now part of Vision Solutions)Jul 1998 - Sep 2000 Onsite Manager, Toshiba Logistics, Japan.Successfully redesigned ”Enterprise Logistics Software” enabling terabyte data storage and processing. Designed and developed a DWH to aggregate data into cubes and marts for reporting and forecasting.Jul 1997 - Jul 1998 Project Manager, Daiwa SecuritiesDesigned and implemented pre-aggregation of stock data for reporting purposes using PLSQL

Developed a Hospital Management System for NEC using C and VB.

Aggregating and forecasting marketing and sales data from flat files with custom UI using ‘C’ programs. Instructor for Autocad and C programming at Cadd Station.

Automation of Digital and Analog Hardware Testing using Schlumberger’s ATE 720