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Engineering

Showing 1 - 12 of 19 Posts
Engineering11 min read

Building Fullscript Assist, Part 2: Keeping the Context Small

See how we treat the context window as a budget in Fullscript Assist: on-demand skills, isolated sub-agents, and auditable compaction.

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Software7 min read

Scaling Shopify's maintenance_tasks (Part 3): Observability and Governance for the Gem

See how Fullscript added durable logs, threaded Slack alerts, metrics, and self-cleaning governance around Shopify's maintenance_tasks gem.

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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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Engineering10 min read

Using an LLM as a Test Compiler

End-to-end tests are usually expensive to maintain or too flaky to trust. We treated an LLM as a compiler to get tests that are neither.

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Engineering6 min read

Feature-Flagging a Major Design System Upgrade

Shipping a major mobile redesign without stopping releases: adapters, build flags, and parallel design systems.

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Engineering5 min read

Teaching Our Merge Requests to Teach Back

How to improve AI code reviews: turn merge requests into learning tools with context, patterns, and engineering decisions.

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Illustration of a central GSD hub connected to department icons, representing AI-driven automation across teams, with a faint “19,000” in the background indicating hours saved.
Technology14 min read

Team GSD - Year 1 Reflection: Unlocking Operational Velocity

Team GSD scaled AI and automation across real workflows, improving operational velocity across multiple departments. Here’s how they did it.

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Engineering6 min read

Developing a Modern Search Stack: Personalization, Making Search Results Feel Less Generic

we described how we added a vector model to our search stack, which gave us the power of hybrid search - balancing lexical and semantic matching

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Technology17 min read

Local-First Dev Environments at (Medium) Scale

How Fullscript replaced K8s-heavy local- and cloud-based dev environments with local Docker Compose and never looked back.

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Engineering5 min read

Embedding AI in Fullscript Engineering

How Fullscript engineered AI into its monolith, boosting developer velocity without rewriting the architecture.

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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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Technology9 min read

So We Built Our Own Agentic Developer…and then the CEO shipped a feature

Lessons learned from building Nitro, Fullscript's autonomous background agent.

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