System archive

Backend Development

Ruby on Rails, APIs, and server architecture

Showing 1 - 12 of 14 Posts

Building Fullscript Assist, Part 3: One Writer Per Session

How we guarantee one writer per conversation as Fullscript Assist scales across nodes: a durable lease for ownership, an epoch fence for writes.

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Engineering16 min read

Building Fullscript Assist

How Fullscript rebuilt its clinical AI assistant with Elixir, BEAM processes, and MCP to support 120K+ providers with stateful conversations.

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Engineering6 min read

Developing a Modern Search Stack: Hybrid Search

How we fine-tuned a vector model to create a hybrid search engine that understands the intent of our users' queries.

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Engineering5 min read

Developing a Modern Search Stack: NER & More Precise Search Results

How we developed an NER service to label user queries, dynamically generate our Elasticsearch query, and return more precise search results.

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Software5 min read

Developing a Modern Search Stack: Learning-to-Rank with Metarank

How we used Metarank to quickly build a learning to rank service to improve the NDCG of our search engine.

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Software4 min read

Developing a Modern Search Stack: Optimizing Elasticsearch’s Boost Values

Using Quepid and Optuna to optimize the boost values for your Elasticsearch query and improve your NDCG

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Engineering3 min read

Developing a Modern Search Stack: Search Metrics

Describing search metrics that are important when building and evaluating a search engine (precision, recall, & NDCG)

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Backend Development1 min read

Developing a Modern Search Stack: An Overview

An overview of how Fullscript built a modern search stack to provide more relevant results to its users.

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Backend Development6 min read

How we load data at Fullscript

We’ve built a variety of custom GraphQL loaders to improve performance and provide a great developer experience.

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Backend Development7 min read

Upgrading to Ruby 3 in small steps

Use a test ratchet to fix all the Ruby 3 kwarg errors and stop the bleeding

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Backend Development10 min read

Upgrading Ruby and Rails at Fullscript

With Rails 7 being released at the end of last year, today I want to talk about our process for upgrading to Ruby 2.7 and Rails 6.1, and…

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Backend Development9 min read

Similar Products: Using Elasticsearch to Build a Content-Based Recommendation System

The concept of “similarity” is something that content-based recommendation systems and search engines have in common. Running a full text…

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