Aromal S

- Led the migration of IBM watsonx.data from a single-tenant to a multi-tenant database architecture, resulting in ~98% infrastructure cost savings while improving scalability and operational efficiency. - Enhanced performance of Milvus-based hybrid vector search in IBM watsonx.data, achieving up to 80% reduction in query response time for large-scale analytics and GenAI Lakehouse workloads. - Acted as on-call Subject Matter Expert (SME) for watsonx.data, resolving high-severity production issues and delivering fixes for enterprise customers including Adobe, Scuderia Ferrari, Ernst & Young (E&Y), and others. - Collaborated with security architects to review and strengthen FIPS and FedRAMP compliance across 3+ core internal components, ensuring alignment with IBM enterprise and regulatory security standards. - Contributed to platform reliability by improving incident response, root cause analysis, and long-term preventive fixes for customer-facing issues. - Worked cross-functionally with engineering, security, and product teams to translate complex customer and compliance requirements into scalable, production-ready solutions.

- Backend engineer for IBM watsonx.data™, a cloud-native data lakehouse platform designed to scale AI workloads and support data unification, curation, and preparation for GenAI and analytics use cases. - Worked closely with senior architects and core platform engineers to integrate Apache Spark (IBM Analytics Engine) natively into watsonx.data™, enabling distributed compute, large-scale data processing, and advanced analytics workflows. - Implemented BYOJ (Bring Your Own Jar) capability in watsonx.data™, enabling seamless integration with external databases such as SAP HANA by supporting user-provided custom JDBC drivers across multiple Presto engine instances. - Actively monitored and remediated critical CVEs across platform components, delivering security fixes for vulnerabilities identified via open-source dependency scans, static code analysis, and container image security tooling. - Designed and developed REST APIs to integrate query and execution engines including Presto, Apache Spark, Db2, Netezza, and Milvus with watsonx.data™, improving interoperability and end-to-end data processing efficiency. - Re-architected the data ingestion module to improve Parquet file handling, resolving 15+ high-impact defects, extending compatibility across Parquet versions, and enabling high-throughput bulk ingestion for large datasets. - Built a Go-based SDK for watsonx.data™, simplifying programmatic access, improving developer onboarding, and enabling automation of data management workflows. - Authored and maintained OpenAPI-compliant API specifications using Swagger, publishing official documentation to IBM’s documentation platform for external and internal consumers. - Performed deep root cause analysis on production issues and delivered optimized fixes for custom database and engine connectors to ensure stable integration with watsonx.data™.

◇ Contributed to the development of an internal project under 𝗞𝗲𝗿𝗮𝗹𝗮 𝗣𝗼𝗹𝗶𝗰𝗲 𝗖𝗕𝗖𝗜𝗗 𝗦𝗽𝗲𝗰𝗶𝗮𝗹 𝗕𝗿𝗮𝗻𝗰𝗵

◇ Integrated a new AI-powered TTS engine for news reading, resulting in improved performance and user engagement ◇ Built dynamic and responsive web applications for B2B products using Next.js & Tailwind CSS ◇ Developed in app game for FIFA World Cup 2022 prediction contest ◇ Created data visualisations and presentations to communicate insights to stakeholders and drive data-driven decision-making ◇ Wrote complex SQL queries for Analytics of K-Ads, an advertising platform with an audience of over 1 crore ◇ Developed automated reports and dashboards to provide insights into advertising performance, audience engagement, and user behaviour ◇ Worked on database design and management, including schema creation, indexing, and query optimisation, using technologies such as MySQL

◇ Worked on Rails backend of Katha : first audible news app in Malayalam having 200K+ downloads ◇ API development with Ruby On Rails & MySQL ◇ Used Redis for database caching ◇ Designed and implemented mailer services utilising AWS SES & Rails ◇ Enhanced user experience of admin panel application using ActiveAdmin gem. ◇ Developed and maintained 60+ Web Scrapers in Ruby with Nokogiri & Open-URI ◇ Utilizied Sidekiq in Rails to implement background job processing, resulting in improved performance and scalability of the application and ensuring timely completion of critical tasks ◇ Paraphrasing with Quillbot and Azure Cognitive Neural Machine Translator ◇ Speech Synthesis using Google Cloud SSML ◇ Web designing with React.js following MobileFirst Approach

◇ Managing the official website of College Of Engineering Chengannur ◇ Optimized SEO Performance of the website from zero appearance in search results to #1. ◇ Successfully configured networks and access points for IHRD THARANG - 2023 national level tech fest, ensuring seamless connectivity and high-speed internet access. ◇ Developed and maintained the tech fest website, providing an intuitive and user-friendly platform for all information and updates related to the event.

◇ Worked on production scale applications following agile methodology of development, completing sprints on Jira. ◇ Collecting feedbacks from clients, improving and implementing new changes. ◇ Development and testing of Serverless APIs using Python and JavaScript templates in AWS Cloud Lambda. ◇ Maintaining version control using BitBucket. ◇ Designing and development of dynamic webpages using React.js & Tailwind CSS. ◇ Database design using MySQL in AWS Cloud RDS, and MongoDB Atlas.

◇ Developed dynamic and browser-compatible web and server-side applications using MongoDB, Express.js, React.js, and Node.js. ◇ Collaborated with product team members and designers to implement new feature developments. ◇ Contributed to the development of commercial websites. ◇ Participated in an internal hackathon and contributed to 'PlayMyPlaylist', a real-time PWA music guessing game that allows users to stream and play their playlists along with a group of friends.

- Collected and consolidated data for the study on effectiveness of homeopathic immunity booster vaccine distributed during COVID-19 scenario.

- Managed the outreach activity of the forum, handling of social media accounts, actively participated in the publicity, management and organizing of student skill development programmes.