Arun Devaraj Email & Phone Number

Herndon, Va, Us

Implemented a highly scalable, serverless RAG architecture in the AWS cloud to support natural language Q &A on contract documents.Lead GenAI POCs to use LLMs to automatically field data for content processing. This system is now operational in production resulting in cost savings.Trained an RNN(LSTM) using a encoder/decoder architecture to translate natural language questions to a formatted template which could be used to generate ElasticSearch/SQL queries.Researched and conceptualized GovWin's first ML product - SmartFit, a scoring system for matching relevant opportunities to customers based on their past contracting experience and positioning with respect to competition. Implemented SmartFit model training and scoring in the AWS cloud as a scalable, event driven, serverless pipeline using containers.Built a brand-new user authorization system based on Oauth 2.0 and OpenID Connect for our Content management app using Identity Server.Lead the design, architecture and migration planning of a legacy WPF based Content Processing Application to ReactJS with fully automated unit tests and integration tests.I played a leadership role in the successful software and data integration after Onvia's merger with Deltek. Here are some key initiatives I drove:• Lead the data integration efforts from Onvia's side by building a brand-new data pipeline. • Achieved application integration with the migration of Onvia's data feeds product to operate on top of GovWin's search and database platform ensuring 100% customer satisfaction (the hardest part!). • Implemented service integration by extending Onvia's data tagging/classification system to support GovWin data types.

Seattle, Wa, Us

Leading Big data, search and analytics initiatives in Onvia. Exploring Hive, Spark, Storm, Kafka and leading the initiative for consolidating various data sources into a single warehouse. Familiar with Hortonworks as well as Cloudera distributions.Rebuilding our core web platform with micro frontends on ReactJS , .Net core microservices and containers(Docker). Explored Docker Swarm and Kubernetes.Working on our public cloud migration initiative. Exposure to both Azure and AWS clouds.Lead the effort in building the exchange product for Onvia as a single page app on KnockoutJS and .Net core microservices.Lead engineer in the successful migration of our core content database from a relational store to MongoDb. The new system has superior scalability, performance and ability to capture highly variable data at a much lower total cost of ownership.Lead engineer in the successful migration of our legacy search engine to ElasticSearch resulting in a highly scalable and performant search platform at a lower cost. Heavily leverage ElasticSearch's full text search and aggregation capabilities.Setup our CI/CD pipeline with Git source control(VSTS), TeamCity and Octopus deploymentIn the past, worked on Onvia's content data warehouse - star schema as well as tabular, various data services and lead data normalization efforts for the Onvia's first analytics product - Vendor Center. Also worked with data scientists on data mining and big data technologies for Onvia's lead scoring initiative.

Bangalore, Karnataka, In

Onvia-Worked on data normalization and standardization using fuzzy matching and grouping techniques.Created a data warehouse with star schema for analytic reporting.Built a reporting infrastructure with a report model for business users to define their own reports.Worked on building a website which showcases US federal government stimulus spending (recovery.org).Ancestry.Com/TGN-Built a rich internet application which displays complex family relationships spanning several generations with ability to perform edits.Worked on a toolbar plugin for Internet Explorer and Firefox which allows users to harvest interesting content from the web and save it to their personal shoebox.Worked on an image editing & browsing tool, with features to browse, customize and purchase high resolution images.Eagle Investments-In an UX consulting role, proposed a design based on MVC/MVVM patterns for replacing monolithic user interfaces found in Eagle's financial portfolio management solutions.Zillow-Worked on Postings, Make Me Move, Zillow API.Data analysis on NavteQ geometry data for Schools.ETL processes for school and property data.PassAlong Networks (Tennessee Pacific)-Worked on their music ecommerce platform and globalization.Worked on data ingestion from various music labels.

Houston, Texas, Us

Worked as a software developer and data analyst on the team working on synchronizing marketing data warehouses of HP and Compaq computer after their global merger.Data warehouse & OLAP cube development for HP’s Enterprise Portfolio RepositoryResponsible for monitoring and resolving data issues in ETL tasks between Compaq's channel partner data warehouses.Automated several manual monitoring tasks and provided rich visualizations for complex processes.

M.S, Software Systems

B.E, Electrical & Electronics