Open to selected projects
AnthonyTlei
I turn real operational problems into software that is clear to use, safe to change, and built to run.
I work across product decisions, system design, implementation, and deployment—from owner-operated business platforms to private financial systems and developer tooling.
01
Work
Selected work
All work →Four projects that show the range of the work: two systems used in real life, and two focused packages built to close concrete integration gaps.
Rimba Atelier
A bilingual storefront and operating dashboard that took a local leather atelier online without making a developer the bottleneck.
- Status
- In production
- Access
- Public product · Private source
- Coverage
- Production site · Architecture · Data model · Workflow
Mizan
A private multi-currency household finance system built around an immutable ledger, explicit planning, and explainable balances.
- Status
- In production
- Access
- Private product · Public overview
- Coverage
- Architecture · Data model · Data flow · Worker design · Failure design · Workflow · Screenshots
langchain-codex-oauth
A LangChain and LangGraph adapter that bridged local ChatGPT OAuth, streaming responses, and tool calls into a familiar chat-model interface.
- Status
- Retired
- Access
- Public details
- Coverage
- Public source · Package · Documentation · Reproducible harness
GraphSQL
An experimental SQLAlchemy dialect that lets SQL-first tools query a GraphQL API and receive tabular results.
- Status
- Prototype
- Access
- Public details
- Coverage
- Public source · Documentation · Screenshots · Reproducible harness · Prototype
02
Help
How I can help
Product systems
Turn an operational workflow into a coherent product: the decisions, interface, content model, permissions, and owner tools required to run it.
Data and platform foundations
Design the model beneath the interface—state, invariants, authorization, automation, failure handling, and the evidence needed to trust it.
Integrations and developer tooling
Build the adapter, package, or protocol bridge when useful systems do not quite speak the same language.
Delivery and hardening
Carry the work through migrations, deployment, observability, backups, rollback, documentation, and the last operational details.
03
Now
Currently
04
Who
Background
I’m a product-minded engineer who likes owning the full path from an unclear problem to a working system. I can move between workflow, interface, data model, infrastructure, and the details that make software dependable after launch.
The work is intentionally varied, but not random: each project starts with a real constraint and ends with something operable, explainable, and documented.
05
Talk
Have a product, system, or difficult technical problem to work through?
Tell me what you are trying to change, what is getting in the way, and what a useful outcome would look like. I’m happy to start with the problem before we talk about a solution.