I build the tools that connect systems which were never designed to talk to each other.
Search for blog posts, studies, projects, and pages
Projects
NarsilNarsil is a distributed search engine that runs full-text, vector, hybrid, and geospatial search from one index.
SirannonTurn any SQLite database into a distributed data layer with live queries, offline-first device sync, multi-node replication, and coordinator-backed failover.
ConjoinConjoin is a backend platform of eight independent services behind one SDK, covering AI, auth, messaging, storage, async infrastructure, billing, databases, and compute.Topics
Try retrieval, retention, languages, or seek. Narsil searches every post, project, and documentation page here and returns matches as you type.
958/sec
Narsil answers keyword queries at that rate, against 841 for Elasticsearch. It also ranks the results more accurately than Elasticsearch and OpenSearch on the same benchmark.
5runtimes
The same replicated SQLite layer runs on better-sqlite3, the SQLite built into Node.js, wa-sqlite in the browser, Bun, and Expo. A phone keeps working offline and settles its conflicts with the server on the next sync.
8services
Eight independent backend services answer through one SDK, because the service routing, the multi-region topology, and the cross-service coordination underneath them present the platform as one.
20s → instant
Health coaches waited twenty seconds for each page to load. The page now opens as they ask for it, so the conversation with a young person continues.
40%lower
Redesigning the architecture cut the infrastructure bill by that much.
500+students
The COVID-19 pandemic closed the campus. Its student president kept examinations and teaching running for that many students.
1,800+languages
A reader can study Scripture in their own language, with the same tools available in every one of them. Everything stays free, with no advertising and nothing to buy.
Delali Azumah
What a product can do depends on the layer underneath it.
Understand one subject well enough to fix it yourself, one article a week.
You may have changed the model, rewritten the prompt, and dropped the temperature; your agent, however, still answers wrongly. The fault is one step earlier, in the search that picks the passages your agent answers from. By the end of this study you will be able to measure that step, name what limits it, and prove that a change has repaired it.
3 of 5 articles published
Article 4 arrives Aug 31, 2026
Read the study
What a business earns depends far less on the hours its owner works than on the kind of work that fills them. Across five articles, this study sets out the four levels of value, from doing every job yourself to keeping only the decisions.
2 of 5 articles published
Article 3 arrives Sep 4, 2026
Read the studyThese articles cover engineering, business, community, and faith.
When an AI feature gives wrong or invented answers in production, the fault usually lies in the search that feeds the model. This is how you would measure the quality of that search and find the real cause.
9 min read
Read the articleThe same week of effort returns different amounts of money depending on the kind of work that fills it. This article sets out the four kinds, what a week of each one sells, and what puts a limit on the earnings.
When suffering leaves you without words, Romans 8 traces three groans through creation, human beings, and the Spirit.
Before you swap the model again, find out whether it ever had the answer in front of it. Four numbers describe what your search step returns, and each of them leaves something different out. This article covers all four, along with the marked question set that makes them mean something on your own documents.
A business whose owner does all of the work can only earn what that owner's week is able to produce. This article explains where that ceiling comes from, how to work out how close your business is to it, and what kind of change would move it.
A search box matches your words, your meaning, or a blend of the two. This is how keyword, vector, and hybrid search each work, where each of them fails, and how you would choose between them.
Delali designed and built each of these.
Narsil is a distributed search engine that runs full-text, vector, hybrid, and geospatial search from one index.
Turn any SQLite database into a distributed data layer with live queries, offline-first device sync, multi-node replication, and coordinator-backed failover.
Conjoin is a backend platform of eight independent services behind one SDK, covering AI, auth, messaging, storage, async infrastructure, billing, databases, and compute.