# Tony Jiang

![Tony Jiang](/resources/cognition/portraits/tony-jiang.webp)

![Tony Jiang 2](/resources/cognition/portraits/tony-jiang.webp)
![Tony Jiang 3](/resources/cognition/portraits/tony-jiang.webp)

Founding Engineer at Cognition (Devin, Windsurf); ex-Nuro TLM; Yale ICPC captain  
Cognition  
San Francisco Bay Area

## At Cognition

- Role: Founding Engineer (Engineering)
- Joined: Nov 2023
- How they joined: Directly
- Before Cognition: 👀, 🤫
- Overlapped before Cognition with other Cognition people at: Nuro; Quora; Google; Yale University (https://www.autumn.ai/resources/cognition/worked-together)

## Identity
- LinkedIn: https://www.linkedin.com/in/jiangtony
- X: @xTonyJiang
- GitHub: https://github.com/xtonyjiang
- Website: https://www.tonyjiang.me/

## Notes
- Posted on X: "one of my first interactions with @ScottWu46 was +1ing him and the "hot IOI chick" to my senior prom.

who knew that would eventually lead to us working together at @cognition 10 years later :') https://t.co/gGw9SncjBO" (https://x.com/xTonyJiang/status/2054022548443295760, https://t.co/gGw9SncjBO)
- On the Devin launch day he wrote on LinkedIn: "Insanely pumped to finally unveil what we've been working on! It's been a pleasure to hack with this crew. We're hiring!" (https://www.linkedin.com/posts/jiangtony_insanely-pumped-to-finally-unveil-what-weve-activity-7173362046833508353-cJms)
- Tony Jiang works with Scott Wu at Cognition, which they reached about 10 years after their first interactions. Source text: "who knew that would eventually lead to us working together at @cognition 10 years later :')" (https://x.com/xTonyJiang/status/2054022548443295760)
- One of Tony Jiang's first interactions with Scott Wu was +1ing him and the "hot IOI chick" to his senior prom. Source text: "one of my first interactions with @ScottWu46 was +1ing him and the "hot IOI chick" to my senior prom" (https://x.com/xTonyJiang/status/2054022548443295760)
- His 2022-2024 GitHub forks (Uniswap V3 docs, hardhat, opensea-js, nftx-protocol-v2, circom_tester, solana-keys) line up with the LinkedIn stint listed only as eye/shush emojis (Jul 2022 to Nov 2023). (https://github.com/xtonyjiang?tab=repositories)
- Tony Jiang was Team Captain of the Yale University ACM-ICPC Team from 2015 onward. Source text: "Yale University ACM-ICPC Team 2015 – Present ◦ Team Captain" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)

- Tony Jiang was a USA Physics Olympiad Semifinalist in 2014. Source text: "USA Physics Olympiad Semifinalist 2014" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a USA Biology Olympiad Semifinalist in 2014. Source text: "USA Biology Olympiad Semifinalist 2014" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang reached the Gold Division of the USA Computing Olympiad (USACO) in 2013. Source text: "USA Computing Olympiad (USACO) – Gold Division 2013 ◦ Highest honor of the competition at the time" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang earned Honors Distinction (Top 150) in the U.S. National Chemistry Olympiad in 2013 and 2014. Source text: "U.S. National Chemistry Olympiad - Honors Distinction (Top 150) 2013 & 2014" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang qualified for the USA Junior Mathematical Olympiad (USAJMO) in 2011. Source text: "USA Junior Mathematical Olympiad (USAJMO) Qualifier 2011" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Owns the GNOVA repo on GitHub (Python, 32 stars), the code for 'A principled framework to estimate annotation-stratified genetic covariance', matching the 2017 American Journal of Human Genetics paper on his resume co-authored with Qiongshi Lu and Hongyu Zhao's Yale group. (https://github.com/xtonyjiang/GNOVA)
- Owns the Independent-eQTLs repo, described as his 'Summer 2014 project for my work in the Montgomery Lab at the Stanford School of Medicine', which identifies the lab behind his 2014 Stanford research internship. (https://github.com/xtonyjiang/Independent-eQTLs)
- Public headline says "Human Software Engineer @ Cognition". (https://www.linkedin.com/in/jiangtony)
- Reposted Cognition's Devin GA announcement (Dec 2024) and SWE-1.5 launch (Oct 2025), and posted "MORE COGNITION" on 2025-11-19 and "one app to rule them all" on 2026-06-02 around Devin Desktop/Windsurf consolidation. (https://x.com/xTonyJiang/status/2061919153230168378)
- Tony Jiang was expected to earn a B.S. in Computer Science & Mathematics from Yale University in May 2018. Source text: "B.S., Computer Science & Mathematics May 2018 (Expected)" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Data Science Intern at Quora from May 2017 to August 2017. Source text: "Data Science Intern" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang co-authored a 2017 paper in The American Journal of Human Genetics on estimating annotation-stratified genetic covariance using GWAS summary statistics. Source text: "A powerful approach to estimating annotation-stratified genetic covariance using GWAS summary statistics. The American Journal of Human Genetics, 101(6), 939-964." (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was on the Yale University Climbing Team from 2017 onward. Source text: "Yale University Climbing Team 2017–Present" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Data Science Intern at Quora in Mountain View, CA from May 2017 to August 2017. Source text: "Data Science Intern ... May. 2017 – Aug. 2017" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- At Quora, Tony Jiang improved the machine learning algorithms for answer ranking in feed. Source text: "Improved the machine learning algorithms for answer ranking in feed." (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang co-authored a 2017 paper in The American Journal of Human Genetics on estimating annotation-stratified genetic covariance using GWAS summary statistics, with co-authors including Lu Q., Li B., Ou D., Erlendsdottir M., Powles R., Hu Y., Chang D., Jin C., Dai W., He Q., Liu Z., Mukherjee S., Crane P., and Zhao H. Source text: "Lu Q., Li B., Ou D., Erlendsdottir M., Powles R., Jiang T., Hu Y., Chang D., Jin C., Dai W., He Q., Liu Z., Mukherjee S., Crane P., Zhao H. (2017). A powerful approach to estimating annotation-stratif" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Software Engineering Intern at Addepar from May 2016 to August 2016. Source text: "Software Engineering Intern May. 2016 – Aug. 2016" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Software Engineering Intern at Addepar in New York City, NY from May 2016 to August 2016. Source text: "Software Engineering Intern May. 2016 – Aug. 2016" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- At Addepar, Tony Jiang reduced computational load on the testing cluster by over 60% and made tests up to 5x faster. Source text: "Reduced computational load on testing cluster by over 60% and made tests up to 5x faster." (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Software Engineering Intern at Google from May 2015 to August 2015. Source text: "Software Engineering Intern May. 2015 – Aug. 2015" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was Director of Web Development for the Yale Daily News from 2015 onward. Source text: "Yale Daily News 2015 – Present ◦ Director of Web Development" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was a Software Engineering Intern at Google in Cambridge, MA from May 2015 to August 2015. Source text: "Software Engineering Intern May. 2015 – Aug. 2015" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- At Google, Tony Jiang worked individually on the whole stack of google.com/flights adding new user-facing features. Source text: "Worked individually on the whole stack of google.com/flights adding new user-facing features." (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang was on the Yale University Ballroom Dance Team in 2014. Source text: "Yale University Ballroom Dance Team 2014" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang took Multivariable Calculus, Differential Equations, & Linear Algebra at West Valley College & De Anza College with a GPA of 4.0. Source text: "Multivariable Calculus, Differential Equations, & Linear Algebra — GPA: 4.0" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Tony Jiang took Multivariable Calculus, Differential Equations, & Linear Algebra at West Valley College & De Anza College with a GPA of 4.0 in December 2013. Source text: "Multivariable Calculus, Differential Equations, & Linear Algebra — GPA: 4.0 Dec. 2013" (http://www.tonyjiang.me/Resume_TonyJiang.pdf)
- Posted on X: "light work" (https://x.com/xTonyJiang/status/2095386462305095894)
- Posted on X: "proud to be making our customers more secure 🙂" (https://x.com/xTonyJiang/status/2067695707528827310)
- Posted on X: "one app to rule them all 🤝" (https://x.com/xTonyJiang/status/2061919153230168378)
- Posted on X: "MORE COGNITION" (https://x.com/xTonyJiang/status/1991019202140872783)
- Posted on X: "this is like some pear ai type shit 😂" (https://x.com/xTonyJiang/status/1990904296817504767)
- Posted on X: "🏃💨" (https://x.com/xTonyJiang/status/1983669369231307262)
- Posted on X: "🌊" (https://x.com/xTonyJiang/status/1956084552272896474)
- Posted on X: "BASED" (https://x.com/xTonyJiang/status/1948438320058695709)
- Previous roles include 👀 at 🤫; Tech Lead Manager at Nuro; Tech Lead at Nuro; Software Engineer at Nuro; Data Science Intern at Quora; Software Engineering Intern at Addepar; Software Engineering Intern at Google; Research Intern at Stanford University School of Medicine. (https://www.linkedin.com/in/jiangtony)
- Reposted on X: "RT @cognition: Today we’re releasing SWE-1.5, our fast agent model.

It achieves near-SOTA coding performance while setting a new standard…" (https://x.com/xTonyJiang/status/1983669253787283758)
- Reposted on X: "RT @rchoudhury997: Excited to release our new preprint - we introduce Adaptive Patch Transformers (APT), a method to speed up vision transf…" (https://x.com/xTonyJiang/status/1981462297433559084)
- Reposted on X: "RT @ScottWu46: GPT-4.5 has been awesome to work with. On our agentic coding benchmarks it already shows massive improvements over o1 and 4o…" (https://x.com/xTonyJiang/status/1895212168683102601)
- Reposted on X: "RT @cognition_labs: Did you know that the average PR waits 100+ hours to get reviewed?

Watch how to use Devin’s API to automate PR reviews…" (https://x.com/xTonyJiang/status/1881765057073459291)
- Reposted on X: "RT @cognition_labs: Devin is generally available today!

Just tag Devin to fix frontend bugs, create first-draft PRs for backlog tasks, ma…" (https://x.com/xTonyJiang/status/1866541663772086296)
- Reposted on X: "RT @rchoudhury997: Excited to finally release our NeurIPS 2024 (spotlight) paper! We introduce Run-Length Tokenization (RLT), a simple way…" (https://x.com/xTonyJiang/status/1863342725615251478)
- Reposted on X: "RT @kidcuda69: my final @cognition_labs glazepost.

those folks don't spend all day tweeting, philosophizing, writing cryptic meaningless st…" (https://x.com/xTonyJiang/status/1768026275736650185)
- Reposted on X: "RT @patrickc: These aren't just cherrypicked demos. Devin is, in my experience, very impressive in practice." (https://x.com/xTonyJiang/status/1767604287591395431)
- Reposted on X: "RT @karpathy: # automating software engineering.

In my mind, automating software engineering will look similar to automating driving. E.g.…" (https://x.com/xTonyJiang/status/1767604012029780043)
- Reposted on X: "RT @cognition_labs: Today we're excited to introduce Devin, the first AI software engineer.

Devin is the new state-of-the-art on the SWE-B…" (https://x.com/xTonyJiang/status/1767597767223025986)
- Location is San Francisco Bay Area. (https://www.linkedin.com/in/jiangtony)

## Experience
- Founding Engineer at Cognition (Nov 2023 - Present)
- 👀 at 🤫 (Jul 2022 - Nov 2023)
- Tech Lead Manager at Nuro (Oct 2021 - Jul 2022)
- Tech Lead at Nuro (Dec 2020 - Oct 2021)
- Software Engineer at Nuro (Jul 2018 - Oct 2021)
- Data Science Intern at Quora - Mountain View, California (May 2017 - Aug 2017): Home feed ranking
- Software Engineering Intern at Addepar - New York City (May 2016 - Aug 2016): #FixFinance
- Software Engineering Intern at Google (May 2015 - Aug 2015): Added new user-facing features to google.com/flights with server-side and client-side code in nearly the whole stack. Worked with core abstractions and technologies including MapReduce, Bigtable, and Protocol Buffers.
- Research Intern at Stanford University School of Medicine (Jun 2014 - Aug 2014): Developed a statistical framework and diagnostic toolset in Python and R to discover new relationships between genotype and phenotype by analyzing very large human genetic datasets. Conducted large-scale analysis on the order of hundreds of millions of points of genetic data. More specifically, I tackled the unsolved problem of discovering and quantifying independent expression quantitative trait loci (eQTLs) in the human genome using various machine learning multiple regression algorithms. Delivered 1-hour oral presentation at the end of summer.
- Research Intern at Stanford University School of Medicine (Jun 2013 - Aug 2013): Implemented and analyzed alternative computational methods of inferring allele-specific expression by analyzing human genomic data

## Education
- Yale University - Computer Science and Mathematics - (Jan 2014 - Jan 2018)

## Sources
- https://www.linkedin.com/in/jiangtony
- https://x.com/xTonyJiang
- http://www.tonyjiang.me/Resume_TonyJiang.pdf
- https://github.com/xtonyjiang/Independent-eQTLs
- https://github.com/xtonyjiang/GNOVA
- https://x.com/xTonyJiang/status/2054022548443295760
- https://www.linkedin.com/posts/jiangtony_insanely-pumped-to-finally-unveil-what-weve-activity-7173362046833508353-cJms
- https://www.tonyjiang.me/
- https://api.github.com/users/xtonyjiang
- https://t.co/gGw9SncjBO
- https://github.com/xtonyjiang?tab=repositories
- https://x.com/xTonyJiang/status/2061919153230168378
- https://x.com/xTonyJiang/status/2095386462305095894
- https://x.com/xTonyJiang/status/2067695707528827310
- https://x.com/xTonyJiang/status/1991019202140872783
- https://x.com/xTonyJiang/status/1990904296817504767
- https://x.com/xTonyJiang/status/1983669369231307262
- https://x.com/xTonyJiang/status/1956084552272896474
- https://x.com/xTonyJiang/status/1948438320058695709
- https://x.com/xTonyJiang/status/1983669253787283758
- https://x.com/xTonyJiang/status/1981462297433559084
- https://x.com/xTonyJiang/status/1895212168683102601
- https://x.com/xTonyJiang/status/1881765057073459291
- https://x.com/xTonyJiang/status/1866541663772086296
- https://x.com/xTonyJiang/status/1863342725615251478
- https://x.com/xTonyJiang/status/1768026275736650185
- https://x.com/xTonyJiang/status/1767604287591395431
- https://x.com/xTonyJiang/status/1767604012029780043
- https://x.com/xTonyJiang/status/1767597767223025986


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/tony-jiang · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people