Technical lead and Senior Staff Software Engineer with 20+ years building cloud infrastructure, network architecture, reliability systems, and agentic developer tooling.https://sekoudoumbouya.com/en-ushttps://sekoudoumbouya.com/blog/jev-still-has-to-earn-its-place/https://sekoudoumbouya.com/blog/jev-still-has-to-earn-its-place/A promising decision engine meets the harder test: whether it removes enough real work to deserve a place in an AI workflow.Sat, 26 Sep 2026 21:25:03 GMTai-infrastructureevaluationagent-systemsdecision-systemshttps://sekoudoumbouya.com/blog/swift15-made-my-5090-feel-fast/https://sekoudoumbouya.com/blog/swift15-made-my-5090-feel-fast/From Huihui and ThinkingCap to Swift-1.5: the recipe changes, benchmarks, and everyday experience behind my latest RTX 5090 setup.Sat, 26 Sep 2026 00:00:00 GMTlocal-llmai-infrastructurertx-5090model-servingagentshttps://sekoudoumbouya.com/blog/two-agents-one-gateway/https://sekoudoumbouya.com/blog/two-agents-one-gateway/My wife and friends could not test my experiments without installing an app. Five days, two coding agents, and one gateway later, they could. The build, told from the friction forward.Sun, 20 Sep 2026 00:00:00 GMTai-infrastructureagentsarchitectureplatform-engineeringsecurityhttps://sekoudoumbouya.com/blog/qwen38-one-model-four-configurations/https://sekoudoumbouya.com/blog/qwen38-one-model-four-configurations/I ran official Qwen3.8 27B BF16 and FP8 side by side, then changed one serving knob at a time. The fastest result was not the whole story.Fri, 14 Aug 2026 00:00:00 GMTai-infrastructurelocal-llmqwenbenchmarkingself-hostinghttps://sekoudoumbouya.com/blog/what-wins-in-a-benchmark-is-not-what-you-ship/https://sekoudoumbouya.com/blog/what-wins-in-a-benchmark-is-not-what-you-ship/The best long-context profile I measured passed every synthetic gate and crashed twice under real traffic. Here is why promotion has to be a guarded transaction, not a config edit.Tue, 04 Aug 2026 00:00:00 GMTai-infrastructurelocal-llmagentsplatform-engineeringreliabilityhttps://sekoudoumbouya.com/blog/deepseek-0731-and-my-ai-system-upgrade/https://sekoudoumbouya.com/blog/deepseek-0731-and-my-ai-system-upgrade/Why I added a second RTX PRO 6000, upgraded my CPU, and then watched DeepSeek 0731 land on the exact card I just bought.Mon, 03 Aug 2026 00:00:00 GMTai-infrastructurelocal-llmdeepseekhardwareself-hostinghttps://sekoudoumbouya.com/blog/the-task-is-not-the-unit-of-work/https://sekoudoumbouya.com/blog/the-task-is-not-the-unit-of-work/A 41-task graph ran for 41 hours, produced 115 reviews, and merged nothing. Then I pivoted mid-flight to milestones, and the same session shipped five PRs in half the time.Sat, 11 Jul 2026 00:00:00 GMTai-infrastructureagentsorchestrationanvilplatform-engineeringhttps://sekoudoumbouya.com/blog/anvil-serving-local-where-its-proven/https://sekoudoumbouya.com/blog/anvil-serving-local-where-its-proven/anvil-serving routes coding-agent work to local models only where measured quality has earned it, verifies local output, and escalates up the tier ladder the moment verification fails.Thu, 02 Jul 2026 00:00:00 GMTai-infrastructurelocal-llmllm-routingagentsopen-sourcehttps://sekoudoumbouya.com/blog/the-model-name-is-just-a-string/https://sekoudoumbouya.com/blog/the-model-name-is-just-a-string/How wiring two mismatched GPUs into my coding harnesses turned into intent-based routing, and why the measurement, not the transport, became the product.Thu, 02 Jul 2026 00:00:00 GMTai-infrastructurelocal-llmagentsroutingevalshttps://sekoudoumbouya.com/blog/a-billion-tokens-forty-six-million-real/https://sekoudoumbouya.com/blog/a-billion-tokens-forty-six-million-real/Two days of autonomous agents shipped a release and moved a billion tokens. Only about five percent was generated work. That five percent is the number that sizes a local box.Sat, 27 Jun 2026 00:00:00 GMTai-infrastructurelocal-llmagentsarchitectureplatform-engineeringhttps://sekoudoumbouya.com/blog/owning-my-own-substrate/https://sekoudoumbouya.com/blog/owning-my-own-substrate/Why I built a dual-GPU workstation and stood up local model serving, and why owning the durable layer is the bet I am most glad I made.Sat, 27 Jun 2026 00:00:00 GMTai-infrastructurelocal-llmagentsarchitectureplatform-engineeringhttps://sekoudoumbouya.com/blog/report-in-the-morning/https://sekoudoumbouya.com/blog/report-in-the-morning/I handed an agent a goal and one sentence, then slept. 23.7 hours of unattended runtime later, Anvil v0.3.0 was on PyPI. Here is what it woke me for, and what it shouldn't have.Wed, 24 Jun 2026 00:00:00 GMTai-infrastructureagentsautonomyarchitectureopen-sourcehttps://sekoudoumbouya.com/blog/status-is-downstream-of-proof/https://sekoudoumbouya.com/blog/status-is-downstream-of-proof/An agent reported a test it never wrote. That gap is the whole reason Anvil exists, now open source as anvil-state on PyPI. Here is the architecture, and the one part still unsolved.Wed, 24 Jun 2026 00:00:00 GMTai-infrastructureagentsarchitectureplatform-engineeringopen-sourcehttps://sekoudoumbouya.com/blog/only-the-ledger-survived/https://sekoudoumbouya.com/blog/only-the-ledger-survived/I ported a nine-agent crew from one harness to another. The orchestration had to be rebuilt. The ledger moved untouched. That gap is the whole product.Sun, 21 Jun 2026 00:00:00 GMTai-infrastructureagentsarchitectureplatform-engineeringopen-sourcehttps://sekoudoumbouya.com/blog/usable-context/https://sekoudoumbouya.com/blog/usable-context/A single 5090 could run three local agents. It just couldn't give them room to work. The story of the VRAM wall, the three ways out I priced, and the upgrade I actually made.Sun, 21 Jun 2026 00:00:00 GMTai-infrastructurelocal-llmagentshardwaregpuhttps://sekoudoumbouya.com/blog/volume-local-stakes-cloud/https://sekoudoumbouya.com/blog/volume-local-stakes-cloud/The question that routes an agent task is not which model is best. It is what the task can afford to get wrong. How I pinned a nine-agent crew across a cloud frontier tier and a local GPU.Sun, 21 Jun 2026 00:00:00 GMTai-infrastructureagentslocal-llmarchitectureplatform-engineeringhttps://sekoudoumbouya.com/blog/i-bought-a-gpu-to-run-my-own-agents/https://sekoudoumbouya.com/blog/i-bought-a-gpu-to-run-my-own-agents/Maxing my AI plans and fighting rate limits, I split the spend across providers, bought a local GPU for overflow, and designed a pull queue for my agents. Then I red-teamed the plan.Sat, 20 Jun 2026 00:00:00 GMTai-infrastructureagentslocal-llmarchitectureplatform-engineeringhttps://sekoudoumbouya.com/blog/field-guide-to-the-spec-driven-wave/https://sekoudoumbouya.com/blog/field-guide-to-the-spec-driven-wave/Spec Kit, Kiro, Tessl, task-master, BMAD, Agent OS, OpenSpec: seven projects, twelve months, one idea. A field guide to who's building what, and why they converged. Part 2.Tue, 16 Jun 2026 00:00:00 GMTai-infrastructureagentsarchitecturespec-driven-developmentopen-sourcehttps://sekoudoumbouya.com/blog/spec-driven-development-older-than-the-hype/https://sekoudoumbouya.com/blog/spec-driven-development-older-than-the-hype/Spec-driven development feels like a 2025 invention. It isn't: it's literate programming, MDA, TLA+, BDD, and Terraform's desired state in a hoodie. Part 1 of a series.Tue, 16 Jun 2026 00:00:00 GMTai-infrastructureagentsarchitecturespec-driven-developmentplatform-engineeringhttps://sekoudoumbouya.com/blog/where-the-spec-driven-wave-breaks/https://sekoudoumbouya.com/blog/where-the-spec-driven-wave-breaks/Every spec-driven tool stops at the same place: a great document handed to an agent, and trust. The layer they skip (durable state, leases, evidence) is the hard part. Part 3.Tue, 16 Jun 2026 00:00:00 GMTai-infrastructureagentsarchitecturedurabilityspec-driven-developmenthttps://sekoudoumbouya.com/blog/fakoli-state-the-anvil/https://sekoudoumbouya.com/blog/fakoli-state-the-anvil/I had an agent system audit my agent system against the field. The verdict: the orchestration is being commoditized. The moat is the boring, durable state layer.Wed, 10 Jun 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codearchitecturehttps://sekoudoumbouya.com/blog/reading-other-peoples-bug-trackers/https://sekoudoumbouya.com/blog/reading-other-peoples-bug-trackers/I mined four hundred GitHub issues from the tools next to mine. The field's pain validated the bets — and Anthropic shipping agent teams natively confirmed the biggest one.Wed, 10 Jun 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codestrategyhttps://sekoudoumbouya.com/blog/the-fakoli-style/https://sekoudoumbouya.com/blog/the-fakoli-style/Three plugins, four invariants, one principle. What I built isn't a toolkit — it's an operating model for serious development with AI coding agents.Fri, 01 May 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codeworkflowhttps://sekoudoumbouya.com/blog/building-fakoli-state/https://sekoudoumbouya.com/blog/building-fakoli-state/A local-first project-state layer in SQLite, with claims that have heartbeats and evidence captured by hooks. Here's how it was built and which trade-offs I'm still living with.Fri, 24 Apr 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codearchitectureworkflowhttps://sekoudoumbouya.com/blog/state-is-the-product/https://sekoudoumbouya.com/blog/state-is-the-product/Workflow orchestration alone won't save you. The thing that breaks first when you run real multi-agent work is the state — and almost nobody is building that layer.Sun, 19 Apr 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codeworkflowhttps://sekoudoumbouya.com/blog/baara-building-the-engine/https://sekoudoumbouya.com/blog/baara-building-the-engine/A 10-package monorepo, 27 MCP tools, checkpoint-based durability, and three sandbox types. The full blueprint for Baara Next.Sun, 05 Apr 2026 00:00:00 GMTai-infrastructureopen-sourceagent-sdkarchitecturetypescripthttps://sekoudoumbouya.com/blog/baara-intent-should-be-durable/https://sekoudoumbouya.com/blog/baara-intent-should-be-durable/Agent SDKs give you tools and reasoning. They don't give you queues, checkpoints, or crash recovery. That gap is where your intent dies.Sun, 05 Apr 2026 00:00:00 GMTai-infrastructureopen-sourceagent-sdkarchitecturedurabilityhttps://sekoudoumbouya.com/blog/intent-driven-agentic-flow/https://sekoudoumbouya.com/blog/intent-driven-agentic-flow/How I went from managing AI agent context windows by hand to building an orchestration system that lets me describe what I want and walk away.Sat, 04 Apr 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codeworkflowhttps://sekoudoumbouya.com/blog/fakoli-crew-agent-archetypes/https://sekoudoumbouya.com/blog/fakoli-crew-agent-archetypes/What I learned building specialized agent archetypes that coordinate through file ownership, wave execution, and structured handoffs.Wed, 25 Mar 2026 00:00:00 GMTai-infrastructureopen-sourceagentsclaude-codehttps://sekoudoumbouya.com/blog/infrastructure-engineer-to-ai-architect/https://sekoudoumbouya.com/blog/infrastructure-engineer-to-ai-architect/After twenty years building cloud platforms, here's what I've learned about bridging into AI infrastructure, and which skills matter more than you'd expect.Tue, 10 Mar 2026 00:00:00 GMTai-infrastructurecareerplatform-engineeringllmhttps://sekoudoumbouya.com/blog/building-a-personal-ai-gateway/https://sekoudoumbouya.com/blog/building-a-personal-ai-gateway/How a structured competitive analysis of my own code convinced me that a clean-room rewrite was the right call, and what I learned building Nexus.Thu, 05 Mar 2026 00:00:00 GMTai-infrastructurearchitecturetypescriptopen-sourcehttps://sekoudoumbouya.com/blog/documentation-as-infrastructure/https://sekoudoumbouya.com/blog/documentation-as-infrastructure/Why the blueprint document I wrote for our AWS organization might be the highest-leverage thing I shipped that year.Sun, 15 Feb 2026 00:00:00 GMTdocumentationinfrastructureplatform-engineeringleadershiphttps://sekoudoumbouya.com/blog/multiplier-effect-mentorship/https://sekoudoumbouya.com/blog/multiplier-effect-mentorship/The only sustainable scaling strategy is multiplying competent decision-makers. Here's how I think about mentorship as a senior IC.Tue, 20 Jan 2026 00:00:00 GMTmentorshipleadershipengineering-managementcareerhttps://sekoudoumbouya.com/blog/platform-engineering-philosophy/https://sekoudoumbouya.com/blog/platform-engineering-philosophy/Why treating your internal platform like a product changes how infrastructure teams operate, and how golden-path solutions reduce cognitive load.Sat, 15 Nov 2025 00:00:00 GMTplatform-engineeringdeveloper-experienceinfrastructurehttps://sekoudoumbouya.com/blog/transit-gateway-cost-lesson/https://sekoudoumbouya.com/blog/transit-gateway-cost-lesson/Why periodically questioning inherited infrastructure decisions matters, illustrated through an AWS Transit Gateway to VPC peering migration.Sat, 20 Sep 2025 00:00:00 GMTawsnetworkingcost-optimizationarchitecturehttps://sekoudoumbouya.com/blog/player-coach-leadership/https://sekoudoumbouya.com/blog/player-coach-leadership/Why staying hands-on at the principal engineer level creates better outcomes for your team, your architecture, and your credibility.Thu, 10 Jul 2025 00:00:00 GMTleadershipengineering-managementmentorshiphttps://sekoudoumbouya.com/blog/multi-region-architecture-patterns/https://sekoudoumbouya.com/blog/multi-region-architecture-patterns/A taxonomy of region types, spec-driven provisioning, and phased orchestration for predictable multi-region expansion.Thu, 01 May 2025 00:00:00 GMTmulti-regionawsarchitecturedisaster-recovery