logicmason
Mark Wilbur, Taipei - Senior Elixir/Phoenix Engineer for async-friendly codebase diagnostics, backend rescue, scraping & data pipelines
Hi everyone,
I’m available immediately for short-term Elixir/Phoenix contract work, especially technical debt remediation, production debugging, data pipeline work, and feature delivery in existing codebases.
You may know me as the creator of Alchemist Camp, where I produced 200+ Elixir screencasts and tutorials. My strongest fit is dropping into complex or messy production systems, understanding them quickly, and shipping clean, maintainable improvements with minimal hand-holding.
I’m also offering short diagnostic engagements for teams that are not ready to commit to a longer contract yet.
Typical format:
- 90-minute architecture/debugging call, or
- 10–20 hours reviewing the codebase, logs, tickets, and deployment setup
- written findings and prioritized action plan
- initial fixes where possible
- option to continue hourly or as a short-term contract
A few relevant highlights:
- Director of Engineering at Homepie: evaluated the team/codebase, removed 100K+ lines of technical debt, and built scraping/listing infrastructure that supported national expansion
- Sole architect of A1X’s initial distributed crypto trading platform
- Early full-stack engineer at Verbling (YC11): worked across the web stack, growth engineering, ad optimization, and the v1 of a multi-armed bandit system
- Long background in Elixir/Phoenix, Ruby/Rails, JavaScript, Postgres, marketplaces, data munging, scraping, and backend architecture. Experience with Phoenix LiveView on the frontend involving complex, multi-step forms with embedded schemas.
Logistics:
I’m based in Taipei, Taiwan. I’m on a Taiwan Gold Card with open work permission, and I’m a US citizen with a US bank account, so I can sign standard W-9 / 1099 contracts. I work very well asynchronously and can often use the time zone difference productively: clearing tickets, investigating issues, reviewing code, and pushing fixes while US teams are offline, with scheduled overlap for handoffs and decisions.
Best fit:
- Elixir/Phoenix applications
- legacy-code cleanup
- production bugs
- Postgres/data issues
- scraping or ETL-style pipelines
- marketplace applications
- feature delivery in existing systems
- AI/RAG integration where the hard part is backend/data reliability rather than prompts
Links:
- GitHub: logicmason (Mark Wilbur) · GitHub
- Email: [on resume]( Mark Wilbur 2026 - Google Docs )
- Alchemist Camp: https://alchemist.camp
If you know a team that could use senior Elixir/backend help this month, I’d appreciate an intro.
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