# Pallavi Bhatnagar > Engineering at Meta Location: San Francisco Bay Area, United States Profile: https://flows.cv/pallavi ## Work Experience ### Software Engineer, WhatsApp Business Messaging @ Meta Jan 2026 – Present | San Francisco Bay Area ### Software Engineer, Amazon Rufus @ Amazon Jan 2022 – Jan 2026 | San Francisco Bay Area Building large-scale, low-latency distributed systems powered by ML handling billions of requests per day to improve Rufus’ discoverability and answerability. • Evolved Related Question pills into shared platform adopted by Pricing, Sponsored and Multi-modal teams, boosting high-intent customer interactions by 10% and materially improving discoverability across integrated Rufus surfaces • End-to-end development and launch of real-time, context-aware autocomplete suggestions in Amazon Search Bar using LLMs boosting customer engagement by 25% • Architected highly available, sub 30ms backend serving millions of suggestions per minute with >99.99% uptime • Developed modular suggestion generation pipeline integrated with LLM, optimizing for relevance, ranking, user intent and keyword coverage • Delivered Find deals for me feature surfacing personalized deals experience in Rufus layer lifting customer engagement by 10% • Built scalable API integrating with Amazon's Deals infrastructure serving real-time eligibility and inventory data • Designed dynamic query selection engine blending rule-based filters with LLM-driven intent parsing to boost accuracy and contextual relevance of deal results • Engineered multi-armed bandit system integrated with customer feedback loop to optimize inference-driven UI decisions improving engagement across shopping surfaces by 15% • Partner cross-functionally and conduct A/B tests to improve customer experience and measure business impact • Instrument services with end-to-end observability and real-time metrics to support safe launches and quick incident response to minimize customer impact • Mentor peers, lead technical design and code reviews, and contribute to raising the bar through operational excellence at scale. Eg.,streamlined the load testing framework for high-velocity events reducing engineering effort by 50% Tech Stack: Java, Python, Scala, Typescript, Spring Framework, DynamoDB, OpenSearch, Sagemaker, Git, AWS technologies ### Senior Software Engineer @ Fidelity Investments Jan 2020 – Jan 2022 Nexus was Fidelity's one-stop application for trading, financial products and client account management. As a part of Nexus team, the work involved development and support of new functionality required by the business, and development required for the maintenance of existing code. At Fidelity I led and took ownership of our product features, hence below were some accomplishments from recent years at Fidelity: • Fidelity Tax Smart Investing • The Trading Platform The team followed an Agile software delivery mechanism and had a core responsibility to support the ongoing functions of the financial institution including fraud prevention. The role required working in a full stack developer capacity and in a full project life cycle development mode. Core Responsibilities: • Redesigned & built the application software from ground-up using Angular based platform and REST API based microservices • Contributed towards definition and estimation of systems and completed their design specifications • Verified the product's designs are scalable, efficient, effective and met corporate application quality standards • Created unit and end-to-end test suites for product features using Jasmine and Protractor framework • Conducted research into emerging technologies to improve business experience • Supported and enhanced the functionalities of the application to keep up with current business demands • Mentored and guided peers through software projects Tech Stack: Java, Angular, RESTful web services, Typescript, Jasmine, Protractor, SOAP, Unix platform, IBM RTC ### Software Engineer @ Fidelity Investments Jan 2017 – Jan 2019 ### Operations Program Manager Student @ BlackBerry Jan 2016 – Jan 2016 | Mississauga, Canada Area As a part of Product Security Response team, the area of focus was tools and reports development, information analysis and management of logistical data related to external conference engagements. The task revolved around solution architecture and design with extensive involvement into requirements and stakeholder management. Core Responsibilities: • Developed Conference Management System to provide a tool for conference engagement within BlackBerry product security and the newer acquisition Encription Ltd., UK • Performed product release readiness analysis on BlackBerry’s expansive portfolio of products • Created reports on security vulnerabilities within the issue management system (JIRA) • Analyzed team documentation and complete team wiki development • Customization of existing system and information transfer (from spreadsheets, wikis etc.) • Performed issue closure review on a pool of diverse Handheld products and Enterprise services • Tracked and recorded BlackBerry mentions over the vast internet from security and business perspective Tech Stack: .Net 4.5, C# 6, ASP.Net, Javascript, AJAX, SQL Server 2014, IIS 7, Entity Framework 6 ### Software Engineer @ HCL Technologies Jan 2012 – Jan 2014 | Noida Area, India Client: Electric & Musical Industries Ltd., London, UK (EMI Music) Gained comprehensive experience working in two projects simultaneously in the areas of Software Requirement Gathering, Analysis, Designing, Coding, Reviewing, Debugging, Implementation, Testing, Administration, Maintenance and Enhancement. Completed company level ITSM-Associate-Program Certification and was responsible for Service Management for EMI. Extensively involved in project management activities such as preparing reports, documentation, cut-over plans for activities, coordinating with geographically distributed teams, etc. Contributed in risk analysis during change requests and service interruptions. Handled project information and knowledge through Global Document Repository (GDR) based on SharePoint. Being an on-call team member provided 24x7 support for global EMI applications. Project: EMI Hub: Single Sign-On portal for EMI applications Technology used: ADFS, C# .Net (3.5,4.0), SQL Server 2005, ADO.Net, IIS 6.0, TFS • Involved in complete SDLC process • Developed N-tier Internet applications involving OOPS Concept and Designing Methodologies • Created setup for the project and implementation of application on QA server and production server • Direct interaction with the overseas clients • Involved in application deployment on the web • Performed change management for the code on staging and production environments Project: Integration Services: Message integration service to EMI global applications Technology used: BizTalk Server 2009, C# .Net 3.5, SQL Server 2005, TFS • Involved in data analysis and transfer to support B2B • Independently built and configured BizTalk Server 2009 on Windows Server 2008 R2 • Deployed MSI DLLs in client server using MS Build and NAnt on change requests • BizTalk admin related tasks • Supported maintenance of large scale BizTalk and SQL severs • Troubleshooting of live environment during change request and downtime ## Education ### Master of Science - MS in Computer Science Georgia Institute of Technology Jan 2020 – Jan 2023 ### Post Graduate Certificate in Information Technology Project Management Seneca Polytechnic Jan 2015 – Jan 2016 ### Post Graduate Certificate in Enterprise Sofware Development Humber College Jan 2014 – Jan 2015 ### Postgraduate Diploma in Computer Science Indira Gandhi National Open University Jan 2012 – Jan 2013 ### Bachelor's Degree in Computer Science Delhi University Jan 2009 – Jan 2012 ## Contact & Social - LinkedIn: https://linkedin.com/in/pallavibhatnagar05 --- Source: https://flows.cv/pallavi JSON Resume: https://flows.cv/pallavi/resume.json Last updated: 2026-03-22