About
Frederick Widjaja previously worked as a software engineer at Facebook, contributing to products including Blood Donations and Messenger Rooms. He studied computer science and statistics at Harvard College and is now building Whiz, a fintech platform for teenagers in Indonesia.
Founder at WhizYC W22
Intro paths
YC
Frederick went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran Whiz's batch and knows the company first-hand. YC profile ↗
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In turn, Frederick can intro founders to Whiz's investors below.
Whiz's investors · 1
Co-founders at Whiz
DS
Dominic SumarliFounder
AL
Agnes LieFounder
Experience
- Applied LabsFounding Engineercurrent2025 — presentNew York, New York, United States
- Whiz (YC W22)Co-Founder, CTO2022 — 2024Jakarta, Indonesia
- FacebookSenior Software Engineer2017 — 2021San Francisco Bay Area
- FacebookSoftware Engineer2016San Francisco Bay Area
- GoogleSoftware Engineer2015San Francisco Bay Area
- SquareSoftware Engineer2014San Francisco Bay Area
Education
- Harvard UniversityBachelor of Arts - BA, Computer Science and Statistics
- Jakarta Intercultural SchoolHigh School Diploma
Skills & more
React.jsReact NativeGraphQLAmazon Web Services (AWS)Redux.jsJavaScriptC (Programming Language)C++JavaPython (Programming Language)PHPSQL
+6 more
RDatabasesFull-Stack DevelopmentAndroid DevelopmentMachine LearningOCamlLanguages Chinese · English · Indonesian
From Frederick's professional profile.
Same school
Also attended Harvard University1,231
Alfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalGRyan IsonoDeal Partner at Felicis Ventures
+ 1,225 more
Also attended Jakarta Intercultural School12
Christal NgAssociate at Golden Gate VenturesRaunaq NanwaniVice President at Openspace VenturesNimesh ModakInvestor at BURNT ISLAND VENTURESRishi TapariaCo-founder and General Partner at Garuda VenturesDinesh GanesanPrincipal at ArcTern VenturesJohn YoonHealthtech Startup Advisor at Verge HealthTech Fund
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+ 6 more
Shared employers
Also worked at Facebook322
Peter ThielCo-founder & Partner at Founders FundChamath PalihapitiyaFounder & CEO of Social CapitalJim BreyerFounder & CEO of Breyer CapitalDavid SzeAdvisory Partner at GreylockKen ChenaultInvestment Team at General CatalystIsabelle StyslingerSenior Associate, Rise of the Rest at Revolution
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+ 316 more
Also worked at Google1,078
Ron ConwayFounder of SV AngelBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundJess LeePartner and Chief Product Officer at Sequoia CapitalTomasz TunguzFounder & General Partner at Theory VenturesHunter WalkCo-founder & Partner at HomebrewAydin SenkutFounder & Managing Partner at Felicis
+ 1,072 more
Also worked at Square63
Keith RaboisManaging Director at Khosla VenturesDelian AsparouhovPartner at Founders Fund and co-founder of VardaClay RobbinsForward Deployed Partner at Slow VenturesSaket SrivastavaInvestor at Foundation CapitalJustin LiuVice President at Sapphire VenturesAnne FoorInvestor at Khosla Ventures
+ 57 more