SUMMARY:

• Senior technical architect with strong background in both Confidential and open source technology
• Hands on development on all tiers as well as design and requirement gathering for full software development life cycle.
• Successful track record as a team lead and delivered highly scalable and maintainable enterprise solutions using software design patterns

TECHNICAL SKILLS:

• Architect in design and implement E2E applications:
• Follow design patterns and reactive manifesto in real world scenarios
• Emphasize on building maintainable and testable SaaS and SOA applications.
• Using microservice, enterprise service bus, message queue, NoSQL, real - time data analytics pipeline to build high-throughput, fault-tolerant solutions.
• Lead in Cloud Computation:
• Build globally scalable and reliable solutions on top of AWS and Windows Azure, proficient in redundancy design, auto-scale, monitoring and instrumentation in cloud environment. Skilled in trouble-shooting issues found in production environment using tools such as CloudWatch, Splunk and MDS.
• Automated cloud resource management and infrastructure setup using CloudFormation, Ansible and ARM. Familiar with scripting languages (bash, python and PowerShell) and container/orchestration tools.
• DevOps practice with CI/CD tools such as Jenkins, Team City, VSTS, Octopus, Release Management and Desired State Configuration (DSC).
• Lead in Web Development:
• Familiar with JavaScript frameworks such as AngularJS, ReactJS, TypeScript, Knockout and jQuery. Proficient using webpack, bower, gulp, npm, jasmine and protractor to build/test frond end web.
• Expert using ASP.net MVC/WebForm to build web applications.
• Skilled in REST API development using WebAPI, WCF, swagger, etc.
• Proficient in SharePoint Development and Administration in 2007, 2010, 2013 and Office 365. Familiar with Apps model and migration.
• Lead in Data Analytics, Business Intelligence and Big Data
• Proficient in BI development with SSAS/SSIS/SSRS, MDX and Power BI, fluent in TSQL and PLSQL, expert in relational schema design, performance tuning and query analysis. Skilled in data governance practice such as MDM and data lineage management.
• Senior level development with text mining, familiar with concepts and technologies used for natural language processing, semantic search, and machine learning, understand statistic language R, cognitive toolkit (bot framework, speech, image & vision) and functional programming using Scala.
• Big data administration and development including Hadoop ecosystem (HDFS, Hive,, Spark) and NoSQL DBs (Mongo, Dynamo, Cassandra, Redis). Hands-on experience with Azure Data Lake, Data Factory and Cortana Intelligence Suite to gain deep insights of high volume data in near real time.

PROFESSIONAL EXPERIENCE:

Confidential, Redmond, WA

Senior SDE

• Designed and implemented flighting to allow features rapidly rolled out to production for experimentation.
• Implemented high-throughput data pipeline to collect events and logs from several big data stores.
• Migrate legacy health product (implemented using WCF and SQL server) to be REST and cloud ready using open source technology.

Confidential, Rockville, MD

Senior Solution Architect

• Migrated a finance solution built on top of SharePoint 2010 to Office 365, including implementing DevOps practice, migrating 10+ cloud services and workflows,
• Built SPA-based web frontend using AngularJS, and OAuth for multitenant authentication and authorization.
• Implemented big data analytic pipeline on stock exchange transaction data using AWS EMR and Redshift.

Confidential, Arlington, VA

Lead Software Engineer

• Developed SaaS solution (WCF and REST API) to manage transactions/registrations on all drivers/vehicles in US & Canada.
• Lead in developing a product to automate SOA design, development and testing based on schema and business rules.
• Architected and implemented auto-scalable framework to perform real-time streaming data analytics using TPL and Hadoop with 10 TB/hour throughput.
• Used d3.js and AngularJS to implement reusable widget for high density diagram.

Confidential, Bethesda, MD

Principal Software Engineer

• Built ETL product to synchronize >100 GB of OLTP data from Oracle to OLAP store in SQL server (within 2 hours every day).
• Created customizable web dashboard (drag-drop) using Silverlight. Built rich interaction on dashboard that allows users to drill down data with ease.
• Implemented abstraction layer for data providers that support relational, dimensional and NoSQL db.
• Built data visualization designer that allows users to play with their own data using different widgets on the web.

Confidential, Fairfax, VA

Technical Lead

• Built web site (ASP MVC) and SharePoint dashboard to help FAA manage pilot certification and compliance around the globe.
• Implemented performance dashboard using Confidential BI stack (SSIS, SSAS, SSRS) for Time Warner Cable.

Confidential, Rockville, MD

Technical Lead

• Using .NET technology and text mining algorithms, built SOA solution that helps portfolio management and decision making by integrating world-wide publications, grants, education and patents.
• Used algorithms from NLP, machine learning to improve text mining performance and person/place deduplication accuracy.

Confidential, Rochester, MN

Senior Software Engineer

• Built a platform to analyze proteomics and microarray data using C++, Java, ASP.net and Linux cluster.

Confidential, Baltimore, MD

Software Engineer

• Built LIMS (Lab Information Management System), Workflow and EMR (Electronic Medical Record) using J2EE and DotNetNuke.