David Balatero Email & Phone Number

South San Francisco, California, Us

New York, Us

- Made PR comment posting feel instant vs. spinning for 4-5 seconds- Massively improved the webapp polish prior to our Aug 2023 public release- Built tutorials and funnels that measurably improved the number of new users that tried stacking- Improved the code rendering performance on the PR page- Improved memory usage of large PRs by 95%, made large PRs much more usable- Led a multi-quarter initiative of frontend quality polish

New York, Ny, Us

I was a participant in the Winter 2, 2023 batch at Recurse Center. I spent my time collaborating with other programmers, learning new skills, and working on programming projects at the edge of my abilities.

South San Francisco, California, Us

- Increased processing on Checkout by hundreds of millions of dollars by scaling the number of supported local payment methods from 3 to over 20 - Created documentation & processes used by 30+ engineers to continue adding new payment methods- Led a team of 4 to design and build custom domain support for Checkout, the top merchant-requested feature of all time - Adopted by thousands of merchants within the first 3 months of release - Enabled adding custom domains to a 2nd Stripe product with 10% of the original effort- Improved company-wide frontend JavaScript compilation times by 20x with a custom distributed build cache, saving thousands of developer hours across hundreds of developers

Seattle, Washington, Us

- Scaled out engineering team from 2 to 10 engineers, enabling sub-teams to focus on the user-facing product, admin tooling, and SEO content marketing- Designed and implemented core reusable abstractions around data collection & form filling, making launching additional product offerings much cheaper - Enabled 10 different product verticals to be built on the same stack- Launched Naturalization product which allowed thousands of immigrants to obtain permanent citizenship- Developed efficient admin tooling that allowed the customer service team to process 80% more green card applications, while reducing paperwork errors by 40%

Seattle, Washington, Us

Joined as the first engineering hire.

San Francisco, Ca, Us

Part of a 4-person software consultancy, primarily working in Ruby/Rails, JavaScript, React/Redux, and Node.js. In addition to software development my responsibilities included client communication, project management, leading technical teams, hiring, service design, research, and advising product strategy. Bootstrapping a product incubator at the same time.

Seattle, Wa, Us

Worked with a single client in the education space the whole time, delivering features/bugfixes as well as mentoring junior devs and interns on my team.

Took time off to intensively study the cello, write new compositions, develop my bands, and record albums.

- Led & mentored an all-remote, 5-person engineering team of junior & senior developers- Bootstrapped and grew the company towards an acquisition by Upwork by leading the core product design, and prioritizing work to drive both revenue and writer satisfaction numbers- Built the platform from the ground-up on top of Amazon Mechanical Turk & a custom web interface- Designed efficient writing and editing UIs with JavaScript to make writers & editors 50% faster- Introduced novel ways for writers to prove domain expertise and earn up to 500% more money on the platform

San Francisco, California, Us

Worked with the frontend team, developing a Rails-based frontend that worked with our internal APIs. Also created internal API libraries for use in other projects, and contributed to open-source.

Mountain View, Ca, Us

Worked on a novel ranking project to quickly detect breaking news stories for Google News. Improved the time to detect breaking news from many hours down to minutes, resulting in the single largest quality improvement of the prior two years.

Mountlake Terrace, Washington, Us

Co-founded and built the original version of the Crystal Commerce software, along with other team members. Used Ruby/Rails/MySQL. Left to finish my degree at UW.

Seattle, Washington, Us

Created and maintained a custom e-commerce site for an online Magic: The Gathering dealer. Created a number of innovative secondary market e-commerce features (which found their way into Crystal Commerce eventually).Used a bare-bones LAMP (linux/apache/php/mysql) setup.