Raja Sekhar Thammineni

Leading the GenAI fleet analytics initiative end to end — owning the natural language to SQL system that lets business users query data without SQL knowledge.

Designed the pipeline to translate user questions into accurate SQL queries against fleet data.

Helping business stakeholders analyze fleet metrics and trends independently.

The upload messaging feature for ZIP and XML files made file submission ~75% faster, helping users save time and reduce mistakes.

Built a web-based XML playground (React, Node.js) for client-side message validation, allowing users to validate XML payloads without sending to the stream.

Implemented schema- and rule-based validation (XSD/XPath) with real-time error highlighting and actionable messages, speeding client troubleshooting.

Developed an 'Acknowledged Errors' page to mark recurring business/schema errors, suppress duplicate alerts, and reduce operational noise.

Integrated acknowledgements with monitoring and error-tracking systems, added audit logs and role-based access for SPOC workflows.

Implemented SSO to streamline authentication, cutting login-related support tickets by ~60% and reducing average user sign-in time.

Delivered a meeting transcript feature that halved recap time and improved accessibility and information sharing for users.

Built a live AI tutor interface that accelerated learning outcomes and reduced repeated questions through personalized, real-time guidance.

Built a reusable front-end component library and abstractions to reduce duplicate work and accelerate feature delivery.

Collaborated with backend engineers and product owners to decompose complex UI/UX flows into prioritized, testable tasks for on-time delivery.

Led design and code reviews to enforce best practices and improve code quality, maintainability, and team consistency.

Mentored junior engineers through code walkthroughs and pair programming, raising team productivity and code ownership.

Optimized rendering and network performance by identifying bottlenecks, reducing page load times by up to 30%.

Designed and implemented responsive, accessible UI components that deliver a consistent experience across desktop, tablet, and mobile.

Audited data handling flows and implemented fixes to improve reliability, reduce errors, and streamline client-side data operations.

Delivered bug fixes and feature enhancements for a Hybris eStore upgrade, improving stability and release velocity.

Designed and implemented an enhanced checkout flow (guest & registered), increasing checkout completion by 20% and user satisfaction by 15%.

Resolved 50% more front-end issues during stabilization versus the prior release, reducing post-release incidents and support load.

Owned end-to-end development of an ‘Add to Cart’ sticky button, improving responsiveness and user engagement across devices.

Built advanced functionality for a volume table (sorting, selection, cart management), improving data manipulation efficiency by 50% and smoothing interactions by 85%.

Integrated a React frontend into a Jupyter extension, delivering full compatibility and end-to-end functionality.

Implemented CI pipelines and automation, reducing integration failures by ~40% and speeding release cycles.

Delivered an S3 access POC that validated reliable programmatic storage workflows for extension features.

Owned full-stack implementation using Fastify and React, developing and reviewing backend and frontend integrations.

Achieved 90% cross-platform compatibility in all delivered stories using React and React Native.

Achieved 100% code safety through consistent and regular code updates to Git.

Guided colleagues and took charge of mentoring them technically on their tasks, addressing any impediments.

Took the initiative to create a project from scratch, owning setup through delivery.

Demonstrated expertise in creating components with high reusability, resulting in 50% component reuse across project.

Ensured smooth communication and data exchange between frontend and backend systems in 70% of the project.

Guided a team of 3 colleagues and took charge of mentoring them technically on their tasks, addressing any impediments.

Achieved 80% ownership in resolving technical issues that obstruct team progress.

Developed, maintained, and shipped production code for Pfizer websites across the globe using HTML, CSS, Javascript and ReactJS

Analyze designs and PSD's and identify gaps and queries, suggest improvements to design, develop and implement the finalized functionalities.

Have worked for a well known pharmaceutical client websites as a front end support team member.

Code the front-end of websites using Drupal and Canvas as a back-end.

Worked in geographically distributed projects, managed tasks across time zones and managed on time deliveries.

Work along with the team to identify and resolve issues, ensure coding standards are met and best practices are being followed.

Solve technical issues that are an impediment for the requirement, review their code and suggest changes if required.