Nalu Concepcion
About
Detail
Founder
San Francisco, California, United States
Résumé
Jobs
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FounderWidget FactoryApr 2025 - Current (1 year 3 months)- FounderIdlerApr 2025 - Current (1 year 3 months)Building RL environments. https://www.ycombinator.com/verify/f6zihytjpstcc1jw
- Software Engineer IIMicrosoftSep 2024 - Apr 2025 (8 months)
- Co-Foundernotsomini momentsMar 2024 - Jun 2025 (1 year 4 months)Threw some fun parties.
- Software EngineerMicrosoftMar 2023 - Sep 2024 (1 year 7 months)Microsoft Cloud & AI division. * Built an agentic recommendation engine to enforce resilient Azure resource deployment and maintenance. * Developed a security-focused .NET SDK and service to enhance Azure quality, reliability, and accessibility.
- AChief Technology OfficerAgcessOct 2022 - Jan 2023 (4 months)
- Software Engineering InternMicrosoftMay 2022 - Aug 2022 (4 months)
- New Markets InternPoshmarkJun 2021 - Aug 2021 (3 months)
- ASenior Software EngineerAgcessMay 2021 - Nov 2022 (1 year 7 months)
- Notable Capital Fellow @ PoshmarkNotable CapitalMay 2021 - Aug 2021 (4 months)Notable Capital is a global venture capital firm that invests in local founders building market leading companies. Notable is sector-focused, investing in social/internet, enterprise tech and smart tech from seed to growth stage from five offices around the world. Notable has $9.2 billion in assets under management across multiple funds.
- Teaching Assistant: Engineering Probability & Statistics (ENGRD 2700)Cornell UniversityFeb 2021 - Jun 2021 (5 months)* Supported over 200 undergraduate students by holding weekly office hours, responding to open-forum discussion questions from students about course material, and conducting weekly recitation sections about basic probability models and statistical analysis methods. * Worked closely with ORIE Professor Frans Schalekamp to provide feedback about students' understanding and assist with upkeep of course material.
- Data Science InternPayMongoJan 2021 - May 2021 (5 months)
- Private Computer Science TeacherSelfemployedAug 2020 - Nov 2025 (5 years 4 months)* Provided 1:1 private lessons for 10+ students in React, TypeScript, data science, algorithms, and foundational programming in Python and Java, adapting lessons to individual skill levels. * Designed and led structured courses that strengthened students' problem-solving abilities and prepared them for technical assessments and competitions. * Mentored students who went on to achieve the Google STEP internship and gain acceptance into top-tier technical universities like UC Berkeley and Carnegie Mellon University.
- Computer Science InstructorKoderonAug 2020 - May 2025 (4 years 10 months)* Created dozens of Python Turtle projects to guide three students of all skill-levels through weekly lessons, in-class projects, and homework * Taught Python and Scratch curriculums to beginner, intermediate, and advanced-level students in weekly private classes
- Computer Science InstructorJuni LearningAug 2020 - Jun 2021 (11 months)
- MUndergraduate Research AssistantM Computer Architecture GroupAug 2019 - Feb 2020 (7 months)
Education
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- Bachelor of Science - BS, Computer Science & Operations Research and Information EngineeringCornell UniversityAug 2019 - Dec 2022 (3 years 5 months)Cum Laude Double major within Cornell’s College of Engineering. Graduated in 3.5 years.
- Phillips AcademyPhillips AcademyJan 2015 - Dec 2019 (5 years)Phillips Academy is a rigorous 4-year boarding preparatory school located in Andover, Massachusetts.
Projects (professional or personal)
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- SSpotify Song Popularity AnalysisMay 2021* Compiled a detailed report with 2 classmates to analyze what features contribute to a song’s popularity, exploring Spotify statistics via Kaggle datasets such as number of streams, date of release, artist(s), album, and the daily Hot 100 ranking from 2017-2018 * Constructed logistic regression models to evaluate correlations between song features and likelihood of ranking in the Top 10 Hits * Visualized geo-heatmaps of songs’ danceability, energy, and happiness levels using Tableau; illustrated how seasonality impacts popularity
- SStochastic SimulationMar 2021* Simulated three million episodes of a store’s fluctuations in inventory/demand levels and profits using a discrete time Markov Chain model * Trained a neural network on the resulting simulation to predict the subsequent day's profits with a final root mean squared error under 0.03
- OOCaml ChessFeb 2021 - Jun 2021 (5 months)* Programmed the backend logic for Chess with 3 modes (multiplayer, singleplayer, puzzle rush) using only functional features of OCaml in collaboration with 3 classmates; led tri-weekly team meetings to evaluate progress, make design decisions, and assign work * Documented and implemented pawn movement, en-passant captures, auto-queen pawn promotion, and puzzle rush game-mode * Wrote over 300 unit tests for aforementioned features and implemented over 75 different puzzles for the puzzle-mode gameplay
- AAlgaeOct 2020* Won the Best Technology Award during Cornell's 2020 Switch the Pitch Hackathon * Created our team’s frontend wireframe and designed a data stack for a sustainable marketplace with four MBA students and two engineers * Taught two MBA students how to discuss the wireframe and user flow, explaining key design decisions and differentiators from competitors
- MMytoMar 2020 - Nov 2020 (9 months)* Developed Redux routing, pagination, authentication, and listing uploading for a mobile e-commerce app using React Native and Firebase * Rallied four other entrepreneurial peers to bring a bright idea to life, delegating weekly business-facing and engineering tasks * Devised a business model, generated user retention funnels and revenue projections, and pitched our creation to Cornell VCs
- LLingua AditumNov 2018 - Mar 2019 (5 months)* Conducted independent research and gathered data on the market for current assistive technologies. * Designed a tactile puzzle-model for the deaf and blind to learn fundamental computer science concepts.
Awards
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- Cum LaudeCornell UniversityDec 2022
- SBest Technology AwardSwitch the Pitch HackathonOct 2020Worked on a team of two other undergraduate Cornell engineering students and four Cornell SC Johnson MBA students to design, prototype, and pitch a platform for a more sustainable marketplace.
- SScholastic Awards Regional Honorable Mention: Personal Essay/MemoirScholastic Art and Writing AwardsJan 2019
- Presidential Scholar NomineeUS Department of EducationJan 2019
- NNational Merit Semifinalist Massachusetts (2018)National Merit Scholarship CorporationSep 2018Granted to the top-scoring PSAT students from each state. Scored in the 99th percentile of all students who took this exam.
- AAbbot Grant RecipientAbbot Grant AssociationMay 2018$10,000 obtained for hosting an annual research symposium and for creating and sustaining a Phillips Academy science olympiad competition team.
- NCWIT Regional Affiliate - MassachusettsNational Center for Women and Information TechnologyDec 2017Awarded to women who demonstrate interest and high achievements in computing, leadership, and academic performance.