Ship dependable software under real constraints.
I turn ambiguous problem space into operating systems: sub-second payment surfaces, zero-failure RPC rotation, safe upgrade paths, and calmer release pipelines. Pragmatic first—measure, harden, move.
UK timezone · replies within 48h · currently taking new work
Latest writing
Field notes and deep dives on reliability, context shaping, and shipping with less drama.
-
Context Engineering: Sculpting Attention Surfaces for Real LLM Work
Aug 20, 2025 · 12 minA practitioner's field guide to moving beyond prompt tinkering—architecting token budgets, retrieval granularity, temporal pruning, and adaptive memory so large language models stay on-mission at scale.
-
Practical Temporality (Part II): Repairing Time-Aware Semantic Recommendations
Aug 18, 2025Part II of the 3-part series: turns the Part I diagnosis of temporal resistance into a concrete, minimal rollout plan—time decay, hybrid signals, availability filters, safer fallbacks, metrics, and guardrails.
-
The Ghost's Footprint (Part I): Why Vector Semantics Outlast People
Aug 15, 2025Part I of a 3-part series: a narrative incident report that defines temporal resistance, shows the evidence, and isolates architectural causes before prescribing solutions in Part II.
Selected work
Selected engagements—constraints, choices, and verifiable outcomes.
-
WebAuthn Account Abstraction
Passkeys + deterministic EOA for seamless onboarding and reliable recovery.
<5 s auth flow duration -
AI Slack Agent for Iffy (Gumroad)
Proposed multi-workspace Slack agent with OAuth, encrypted tokens, email-based identity resolution, and tool-gated admin actions (PR not merged due to style differences).
multi tenant workspaces supported -
Anvil Custom RPC Methods UI
First open source contribution: exposed 33+ Anvil custom RPC methods in a safe, configurable UI to speed blockchain test setup. Led to core team position and 2-year tenure.
33+ RPC endpoints methods supported3 days review cycle