Dan Corin
Studied at Washington University in St. Louis
Works at wvlen
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About Dan
I'm a software engineer who has spent my career building at Uber, Chime, and Square. I've been writing software with coding agents since mid-2023, before most people had heard the term, and for the past two years I've built software exclusively using them. The work that changed my trajectory happened at Square, where I started teaching non-technical contributors to build software with AI tools. I watched people who had never written a line of code, and never expected to, take an idea from their own work and turn it into something real that solved their problem. That experience convinced me the barrier between understanding a problem and building it could be bridged, and that most people just haven't been shown the way through. Today I run wvlen, where I coach professionals and teams learning to build with AI. I help you figure out where these tools fit in your work, then build with you until you're confident to do it independently.
Why do I coach?
The most rewarding thing I did at Square was the first time I helped a non-technical colleague, someone who had spent years describing what they needed and waiting for an engineer to build it, realize they could build what they needed themselves. Once I saw that shift happen, it became hard for me to go back to building just by myself. For my entire career there has been a wall between the people who understood a problem and the people who could build the solution. Most of the work I did as a software engineer was in service of bridging that gap. With coding agents, there's been a reshuffling of roles when it comes to building software. There are now many cases where you can go from idea to solution without any help from a traditional software engineer. I measure success by how quickly you stop needing me. You bring deep knowledge of your own work that I could never match. My job is to hand you a capability that lasts, then see where you take it.
Work Experience
Founder
wvlen
April 2024 - Present
Building with people and teams to make AI work for them: https://wvlen.llc
Staff Software Engineer
Square
September 2022 - May 2026
Disputes & Risk Infrastructure • Worked one-on-one for an hour+ with more than 10 technical and non-technical peers to teach effective use of coding agent tools across domains including frontend and backend software engineering, personal tool development, production design, brand design, and animation. • Productionized inference pipeline to evaluate if additional information was needed from a seller according to policy to win a dispute, achieving 90% precision on evals, improving upon an ops-driven review process by reducing cost and increasing throughput. • Hosted 50 weekly, hour+ hack sessions pushing the limits of agent coding tools, building software live using spec-driven development and long-running agent loops that ran autonomously until validation criteria passed. • Co-hosted weekly company-wide AI working group, socializing best practices and giving engineers a platform to present their work with AI and language model tools to a broader audience, regularly attended by 50+ engineers • Established first-in-kind cross-business-unit Kafka integration in Ruby, enabling more than 1,000 microservices to consume previously inaccessible streamed data. • Built and deployed internal router and dashboard enabling low-friction prompting, experimentation, and prototyping across different LLMs and providers, lowering the barrier to learning and empowering the experimentation that led to the disputes document intelligence work. • Built and delivered menu text extraction tool for Spanish-language menus, creating a first-pass automation for a previously manual process. • Piloted structured data extraction from dispute evidence documents submitted by sellers, achieving 90% accuracy across 11 fields with LLMs, used to aid in constructing processor responses for challenged transactions. Java, Amazon Dynamodb and +9 skills
Senior Software Engineer
Chime
June 2020 - September 2022
• Member Support Experience Ruby, Amazon SQS and +3 skills
Senior Software Engineer
Uber
May 2016 - June 2020
• Micromobility third party platform (6 mo) • New mobility core platform: building the backend rental lifecycle, vehicle search and city operations product configuration (1 yr) • Vehicle solutions money (6 mo) • Vehicle solutions driver experience (1 yr) • Xchange Leasing engineering (1 yr) Python, Go (Programming Language) and +7 skills
R&D Engineer
Accenture
July 2015 - April 2016
Build demos and prototypes using open source projects used to pitch projects to clients
Technology Architecture Senior Analyst
Accenture
August 2014 - July 2015
Develop Python automation tooling to integrate APIs supporting millions of requests daily reducing development and QA time by hundreds of hours per month
Education
Washington University in St. Louis
Bachelor of Arts (B.A.), Physics, Computer Science
Activities and societies: Crew, Academic Mentor in Physics, Upsilon Pi Epsilon, Sigma Pi Sigma
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