# Nicolas Rodriguez > Senior Software Engineer @ ONE Location: New York, New York, United States Profile: https://flows.cv/nicolasrodriguez ## Work Experience ### Senior Software Engineer @ OnePay Jan 2023 – Present | New York, New York, United States - Rearchitected central components of event-sourced framework responsible for handling 15B Kafka messages daily, resulting in an 80% decrease in consumer lag and 95% CPU / memory usage reduction. - Seamlessly migrated 500+ real-time consumers between frameworks w/o delays, errors, or data loss. - Redesigned retry mechanism backing 800+ Kafka consumers using DynamoDB as an intermediate store, improving retry delivery time and compute efficiency, reducing CPU / memory usage by 93%. - Introduced additional platform features: exponential backoff, DLQ, deeper monitoring + observability - Developed a scalable pattern for building self-service tooling for devs to interact with the platform utilizing Lambdas. - Discovered and resolved multi-year old bug in core libraries, bringing platform-sourced error rate closer to 0%. - Added batch processing to custom data aggregation tooling, lowering write volume by 1000x during high load periods. ### Founding Senior Software Engineer @ Soho Jan 2022 – Jan 2023 | New York, NY - Acquired by Sound.xyz - Built self-healing data ingestion system to process, enrich, and index millions of blockchain transactions and async events per day using AWS SQS and Lambda. - Designed and implemented paginated home feed architecture that scaled to support dozens of unique content types, as well as natively supported caching for expensive modules. This surface comprises 25% of all time spent in the app. - Refactored bottomsheets across the app, preventing background rendering and app slowdowns of 15+ seconds for older mobile phones. - Managed Postgres database quality and health, optimizing queries, indexes, and connection pooling via PGBouncer. - Extended app for release on Android, reaching feature parity with iOS app. - Developed recurring async process for tracking arbitrary NFT portfolios and calculating total value, including users with 10k+ items. - Refactored core data structure to support multiple currencies and new user onboards without mass deletions and re-ingestion. Successfully completed mass migration of 50M+ rows. - Implemented Datadog monitoring to track success rate of async tasks and notification sends which helped identify system outages and bring success rates close to 100%. - Led 3 other engineers in effort to audit client-side logging before public app store release. ### Software Engineer @ Instagram Jan 2020 – Jan 2022 | New York, New York, United States - Owned E2E implementation of personalized Shop and Product feed units which received 20M+ daily impressions and became one of the largest GMV drivers on Instagram. - Became tech lead for resulting workstream - led 3 other engineers, developing specs for various UI optimization experiments for them to implement. - Managed collaboration between 6 ML and product teams running experiments on our surface. - Designed and implemented various experiments to maximize ads budget and promotion utilization, resulting in further GMV growth. - Expanded feature to Stories surface, delegating client implementation to partner teams, adding 10M+ impressions daily to recommended Shops and Products. - Extended Shopping Notification System by building data pipelines and backend to support notifying users of relevant new sales and discounts, increasing on-platform GMV. - Presented tech talk on experimentation process and implementation to 20+ SWE and DS in IG Shopping pillar. - Managed intern who built Shopping Notifications with topline impact to buyers. Intern later converted to full-time. ### Software Engineering Intern @ Facebook Jan 2019 – Jan 2019 | Greater New York City Area - Developed new Facebook Stories feature full-stack, from backend data model design to iOS client-side - Extended new Objective-C framework for easier client-side development in the future - Delegated tasks to full-time engineers to develop Android client-side for new feature ### Software Engineering Intern @ Facebook Jan 2018 – Jan 2018 | Greater Seattle Area - Corrected service to better detect employee status changes and reduce unnecessary alerts - Extended service to automatically transfer data pipelines as well as tables after employee status changes - Created new asynchronous Python 3 service to notify employees of unsecured data pipelines ### Software Engineering Intern @ Impact Labs Inc. Jan 2018 – Jan 2018 | San Francisco Bay Area - Improved portfolio creation algorithms to handle and include international companies - Expanded database by researching and scoring companies across several causes and issues ### Software Engineering Intern @ Facebook Jan 2017 – Jan 2017 | Menlo Park, CA - Learned iOS app development using Swift via Codepath’s 3-week programming course - Collaborated with team members and manager to build iOS app from the ground up within 5 weeks - Utilized Parse and mongoDB to develop server backend for mobile app - Showcased completed project to fellow interns and full time employees across multiple offices ### Undergraduate Researcher for KamLAND-Zen @ MIT Department of Nuclear Science and Engineering Jan 2017 – Jan 2017 | Cambridge, MA - Simulated reactions to generate neutrino-less double beta decay events - Analyzed simulations to filter out background energies using a neural network ### Quality Assurance and Research Intern @ EyeVerify Jan 2016 – Jan 2016 | Kansas City, Missouri Area - Improved facial recognition algorithm through annotation of 6,000+ images - Developed biometric anti-spoof methods using internal sensors of mobile phones - Presented to corporate executives to showcase benefits of EyePrintID ### Telecommunications Intern @ Black & Veatch Jan 2015 – Jan 2016 | Overland Park, KS - Worked closely with professional engineers on project to replace antennas on cell towers across the US - Responsible for editing and reviewing CAD drawings of cell phone tower sites in various metro areas ### Cashier @ Cosentino's Price Chopper Jan 2014 – Jan 2015 | Olathe, KS ### Engineering Intern @ Professional Engineers, Inc. Jan 2014 – Jan 2014 | Olathe, KS - Edited CAD drawings, printed and bound them for client presentations - Designed safety labels to be utilized at telecommunications campus for machinery ## Education ### Bachelor of Science (B.Sc.) in Mathematics and Computer Science Massachusetts Institute of Technology Jan 2016 – Jan 2020 ### High School Olathe Northwest High School Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/nicolas-rodriguez-40a7bb126 --- Source: https://flows.cv/nicolasrodriguez JSON Resume: https://flows.cv/nicolasrodriguez/resume.json Last updated: 2026-03-22