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Ed Rivas

Ed (he/him) is a web developer building fast, accessible sites with Python & PHP.

Ed is passionate about helping clients and colleagues use and master web technologies to solve problems and achieve their goals. An avid Python & Django developer for over 8 years, he’s been recently enjoying PHP & WordPress development as well. Ed participates in spaces built around open source software as a contributor and speaker, and also acts as a mentor and organizer at his local community in El Salvador. He enjoys playing video games, binge-watching a good TV show, and volunteering at his local church.

Open Source

OddContrast

Color contrast checker with Oklch, Oklab, P3, and more

OddContrast is a color format converter, featuring newer color formats like Oklch, Oklab, and the Display P3 color space. It’s also a color contrast checker to help designers meet WCAG 2 accessibility standards.

HTML & CSS Polyfills

Popover, CSS Anchor Positioning, Cascade Layers

Along with our work for the W3C developing specifications for the CSS language, OddBird has started and maintains a number of powerful polyfills for new web platform features including the Popover attribute, CSS Anchor Positioning, and Cascade Layers.

Herman

Automated style guides

Design systems streamline development, communication, and consistency – but often rely on dedicated teams and extended budgets. We wanted a tool that helps create and maintain living style guides & pattern libraries in an agile process, and on a budget. Herman helps you keep your development process simple – and your UX consistent – as you scale over time.

Accoutrement

Integrated design-system management in Sass

OddBird’s Accoutrement tools help keep design tokens meaningful to both humans and machines – opening the door for automation, while improving readability. These tools also integrate with Herman, our automated pattern-library generator.

2024 Posts

  1. Winging It post type

    Streamline Your API Development with FastAPI

    Join us for a dynamic exploration of FastAPI, a modern Python framework for API development.

    see all Winging It posts
  2. Article post type

    Testing FastAPI Applications

    We explore the useful testing capabilities provided by FastAPI and pytest, and how to leverage them to produce a complete and reliable test suite for your application.

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2023

  1. Winging It post type

    Align Designers and Developers with OOUX

    An object map is a place to document information about objects in your digital system, keeping everyone involved on the same page. During our conversation, we walk through examples and discuss the benefits of using object maps.

    see all Winging It posts
  2. Article post type

    SQLAlchemy for Django Developers

    SQLAlchemy is a Python library for interacting with relational databases. It is a popular alternative to Django’s ORM used by frameworks such as FastAPI. In this article we will help curious Django developers write their first queries with SQLAlchemy, and highlight key differences.

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  3. Article post type

    FastAPI Path Operations for Django Developers

    FastAPI path operations are the equivalent of Django views. In this article we explore the differences, advantages, and gotchas of using them from the perspective of a Django developer.

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  4. see all Winging It posts
    Winging It post type

    htmx

    During our conversation, we discuss what htmx is, how it improves user experience, and walk through some examples of common UI patterns using htmx.

  5. Winging It post type

    CSS Cascade Layers

    If you’ve ever found yourself in a specificity war, you’ll understand how important having control over style priority can be. During our conversation, we discussed what CSS Layers are and how you can use them in your project.

    see all Winging It posts
  6. Article post type

    Using Web Platform Tests to Write and Test Polyfills

    Learn how to leverage Web Platform Tests to ensure your polyfills are implementing upcoming browser features correctly, including how to generate a comprehensive report of failing/passing tests on each change.

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  7. Article post type

    Python Web Conference 2023 Recap

    OddBird sponsored Python Web Conference 2023 and sent me to attend. In this article I showcase my favorite talks and activities from this excellent online event, including a list of useful resources for web application security, introductions to new PaaS providers, and a comparison of the most popular Python web…

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2022

  1. see all Article posts
  2. see all Talks & Workshops
  3. Article post type

    Replace Dependabot With a Single Dependency Upgrade Pull Request

    Keeping your project dependencies up to date can become an unwieldy task when Dependabot opens a dozen pull requests every week. We present an alternative approach that uses only one scheduled pull request for all upgrades.

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