Alex Peachey
Staff Software Engineer at In Light Syrup LLC
Bothell, Washington, United States
Summary
👤
Senior🎓
Top SchoolAlex Peachey is a staff software engineer and seasoned technology leader with 14+ years of experience building and mentoring engineering teams across startups and product companies. He combines hands-on expertise in Elixir/Erlang, Ruby, and JavaScript with proven architectural leadership—rewriting core services in Elixir to cut costs tenfold and shipping multiple major products. Alex has scaled engineering organizations (hiring and coaching up to 16 engineers and managers), driven cloud automation with Terraform/GCP, and led cross-functional product development using iterative, story-driven processes. He’s also an active contributor to the Ruby ecosystem, improving file upload tooling in notable repos like refile/refile. Based in Bothell, WA, he blends entrepreneurial instincts (founder/CEO of Threadbias and current indie author) with deep systems experience, making him equally comfortable in code, architecture, and people leadership. Colleagues value his hands-on mentorship style—pair programming and code review are core to how he grows teams.
14 years of coding experience
28 years of employment as a software developer
MBA Entrepreneurship + Information Technology, MBA Entrepreneurship + Information Technology at UW Foster School of BusinessBS Computer Science, BS Computer Science at Western Washington University
Stackoverflow
4,636reputation
197kreached
95answers
0questions
redis
top-5%
ruby
top-5%
ruby-on-rails
top-5%
Github Skills (13)
rails10
file-upload10
ruby-on-rails10
ruby10
redis9
rspec9
nethttp6
associations6
sequel6
activerecord6
has-many-through6
validation6
rubygems6
Programming languages (6)
Github contributions (5)
refile/refile
Dec 2014 - Dec 2014
Ruby file uploads, take 3
Role in this project:
Backend Developer
Backend DeveloperContributions:5 commits in 1 day
Contributions summary:Alex contributed to the `refile/refile` repository, which focuses on file uploads in Ruby. The commits primarily involve enhancing the `attachment_helper` for generating URLs, incorporating host options, and refining the attachment URL generation logic. The changes included adding a new host option, and refactoring expectations for better maintainability. These changes improved the file upload functionality within the Ruby on Rails application, and its configuration.
file-uploadruby
versus-systems/json_rpc_toolkit
Mar 2019 - Aug 2021
An Elixir library implementing a transport-agnostic implementation of JSON-RPC 2.0
Contributions:1 review, 18 commits, 3 PRs in 2 years 5 months
elixirjson-rpc
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