Hi, I'm David 👋

I'm a backend engineer who enjoys working with distributed systems. Don't forget to check out my blog.

Skills: Elixir, Erlang, Java, Blockchain, PostgreSQL, Docker, Distributed Systems, Security

Open source contributions

• Add ZkSync EIP712 Serializers in viem - #1388
• ZkSync formatters #1361
• Fix ceil and pow bug #101

Blog posts

• Integrate Firebase phone number validation with your backend - 2018/09/26
• Puppeteer vs WkHtmlToPdf and why I created a new module - 2018/04/27
• CyberSource Payment System — The implementation guide using Elixir - 2018/01/25

Side projects

• Carros Raros Portugal (https://www.carrosraros.pt) | Elixir/Phoenix/LiveView | PostgreSQL

Talks

• CAPTCHA (2016) - Slides
• CarDatabase | Sapo CodeBits (2013) - YouTube