Chris Dosé

Staff Software Engineer

Software Engineer with over 17 years of experience developing web applications, back-end APIs and software systems using Elixir & Phoenix, Ruby on Rails, and Node.js.

• chris.dose@pm.me
• (985) 502-6163
• Seattle, WA
• github.com/doughsay
• linkedin.com/in/chris-dose

Personal Open Source Projects & Talks

 

• Introducing Plox - ElixirConf US 2024 talk where I introduce and talk about the server-side rendered SVG graphing library I wrote, Plox.
• Ambry - A self-hosted audiobook streaming server with an accompanying mobile app. The server is built using Phoenix LiveView, Tailwind CSS and PostgreSQL. The mobile app is built using React Native.
• nerves-keyboard - A project created with several colleagues to build an open source / open hardware mechanical keyboard running Elixir using Nerves.
• Elixir MIX Podcast featuring me as guest speaker where I discuss nerves-keyboard, my other open source projects, and my experiences using Elixir at Peek.
• ElixirConf 2019 Lightning Talk in which I discuss EctoDiff and why I built it.

Work Experience

2022 – Present

Staff Software Engineer @ GridPoint (Remote - Seattle, WA)

1. Elixir
2. Phoenix
3. LiveView
4. PostgreSQL
5. TimescaleDB

Projects & Responsibilities

• Working on the core platform that ingests and processes real-time telemetry data from GridPoint’s IoT devices (powered by Elixir & Nerves).
• Optimizing the platform’s PostgreSQL + TimescaleDB database for querying of large time-series datasets.
• Acting as a mentor to junior engineers on the team through pair-programming and thorough code reviews.
• Building real-time graphing components for the platform using SVG and LiveView.
• Gave a talk on Plox, the server-side rendered SVG graphing component library at ElixirConf in August 2024.

Open Source

• plox - Server-side rendered SVG graphing components for Phoenix and LiveView

2022 – 2022

Staff Software Engineer @ Blitz (Remote - Seattle, WA)

1. Elixir
2. Phoenix
3. PostgreSQL

Projects & Responsibilities

• Worked on Blitz Pro subscriptions.
• Built a new payment integration for subscriptions with PayPal.
• Implemented continuous integration tests for the Stripe payments integration.

2021 – 2022

SDE III @ PagerDuty (Remote - Seattle, WA)

1. Elixir
2. Phoenix
3. Ruby on Rails
4. Kafka
5. Docker

Projects & Responsibilities

• Maintained and extended various Elixir services relating to incident response.
• Identified, planned and executed on software upgrades needed to run Elixir services on Apple M1 hardware.
• Worked with the team to fix bugs in escalation policies.
• Collaborated with teammates on a new feature that allowed cancellation of responder requests on incidents.

2014 – 2021

Senior Software Engineer @ Peek (San Francisco, CA - Seattle, WA)

1. Elixir
2. Phoenix
3. Ruby on Rails
4. Node.js
5. MongoDB
6. PostgreSQL
7. RabbitMQ
8. Docker & Docker Compose

Projects & Responsibilities

• Explored various roles and technologies that helped to solve a diverse set of problems for the tours and activities space.
• Solved real-time tour and rentals availability based on complex resource constraint configurations.
• Built a robust e-commerce platform with credit card processing, split payments, and complex order management features.
• Created a docker-compose based local development environment that all engineers in the company used.
• Spearheaded the transition from legacy Ruby services to Elixir & Phoenix.
• Initiated, maintained, and significantly contributed to Peek’s open source projects at a new GitHub organization “peek-travel”.

Open Source

• cocktail - Elixir date recurrence library based on iCalendar events
• ecto_diff - Generates a data structure describing the difference between two ecto structs
• excal - NIF bindings to libical providing iCalendar RRULE expansion
• lurch - A simple Ruby JSON API client

2012 – 2014

Web Developer @ Immense Networks (Baton Rouge, LA)

1. Node.js
2. MongoDB
3. GitLab
4. Socket.io
5. CoffeeScript
6. Knockout.js
7. Ruby on Rails
8. MySQL
9. Magento
10. WordPress

Projects & Responsibilities

• Created eCommerce websites for clients using the Magento platform.
• Developed several web applications using Ruby­ on ­Rails for clients.
• Established a new workflow and platform for developing web applications using a complete Node.JS + MongoDB stack.
• Used and maintained a self hosted GitLab instance to organize all code, track issues and bugs, and perform code reviews.

Open Source

• immybox - An autocomplete-like jQuery plugin

2011 – 2012

IT Application Programmer II @ Governor’s Office of Homeland Security and Emergency Preparedness (GOHSEP) (Baton Rouge, LA)

1. Google Earth Enterprise
2. Google Fusion Tables
3. KML
4. PHP
5. JavaScript
6. MySQL
7. PhoneGap

Projects & Responsibilities

• Rebuilt and maintained Virtual Louisiana, GOHSEP’s private Google Earth Enterprise globe.
• Created an internal use web application for publishing new content onto Virtual Louisiana.
• Replaced the GOHSEP website with updated architecture, utilizing more efficient, modern programming techniques.
• Developed iPad web applications as well as other small software projects for the agency.

Open Source

• sungem - Fast, lightweight web application framework in PHP

2008 – 2011

Senior Web Applications Developer @ SCI Research (Baton Rouge, LA)

1. PHP
2. JavaScript
3. MySQL
4. Node.js
5. JQuery

Projects & Responsibilities

• Recruited and managed a small, motivated team of programmers and designers in developing a web application devoted to building and administering online studies and web surveys. (Features of the software included respondent database management, mass mailing, interactive reporting, and an engaging visual aesthetic.)
• Administered the company’s many Linux, UNIX, and Windows based servers including: Apache web servers, DNS servers, MySQL database servers, and an Exchange 2007 mail server.

Education

2004 – 2008

Computer Science @ Louisiana State University (Baton Rouge, LA)

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