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patrickswedish/README.md
Patrick Ribbsaeter — Principal Systems Consultant & Founder



Principal Systems Architect & Technical Founder · Production Applications · Distributed Systems · Heavy-Context AI

Systems. Intelligence. Product. Business.

Building and deploying across distributed systems, AI infrastructure, compilers and runtimes, concurrency, low-latency software, agentic systems, and production engineering.

AI-accelerated execution. Human-directed judgment.


Patrick Ribbsaeter    Ribbsaeter Systems    LinkedIn

Operating profile

A cross-disciplinary founder, principal consultant, and systems engineer operating at the intersection of systems engineering, AI, product, and business.

Strong in unfamiliar systems: tracing execution behavior to the actual failure mode, identifying the architectural invariant, directing heavy-context AI orchestration and automation, validating edge cases, and shipping the smallest durable correction with deterministic regression coverage.

AI functions as part of the engineering system — accelerating research, codebase exploration, implementation, testing, orchestration, and deployment while keeping architecture, tradeoffs, review interpretation, and final decisions human-directed.

The commercial foundation spans technology, computer retail, fashion, e-commerce, websites, media, marketing, branding, sales, and digital products. Engineering is approached from an operator's perspective: software as infrastructure for building, operating, automating, and scaling real businesses.

Industry is not the constraint. The same systems and AI capabilities apply across technology, financial services and banking, healthcare, real estate, retail, commerce, media, and other complex operating environments.


What gets built

Systems engineering

Distributed systems, backend architecture, concurrency, memory ownership, low-latency runtimes, compiler/runtime behavior, performance, reliability, and production debugging.

DISTRIBUTED SYSTEMS RUNTIMES COMPILERS CONCURRENCY PERFORMANCE

Hardware engineering & diagnostics lab

Component-level board diagnostics, trinocular stereomicroscope SMD micro-soldering, shorted power rail tracing (FLIR thermal imaging), multi-GPU liquid-cooled compute rigs, and physical computer retail & repair operations servicing thousands of consumer and enterprise client machines.

HARDWARE LAB MICRO-SOLDERING SMD REWORK CUSTOM RIGS COMPUTER SHOP FOUNDER

Consumer mobile apps & web platforms

Native iOS (Swift), Android (Kotlin), cross-platform React Native and Flutter mobile applications, and high-performance, resilient Next.js/React web platforms. Built for fluid gesture fidelity, offline-first reliability, sub-100ms response, and conversion-optimized commercial execution across banking, healthcare, retail, real estate, and B2B SaaS.

MOBILE APPS (iOS/ANDROID) REACT NATIVE FLUTTER NEXT.JS WEB PLATFORMS CROSS-INDUSTRY

Agentic systems

Production AI agents, tool-using workflows, orchestration, MCP integrations, model/API integration, human-directed execution, evaluation, retrieval, and automation.

AGENTS MCP ORCHESTRATION AUTOMATION TOOL USE

Product systems

Architecture, APIs, SaaS products, internal platforms, deployment, observability, analytics, billing, and operational workflows — including ZeroSlop™ by Ribbsaeter Systems, the sovereign pre-flight pull request invariant airlock featuring a 12-Shield Deterministic CWE Security Engine (CWE-89, CWE-798, CWE-639 IDOR, CWE-78/CWE-94, CWE-502, CWE-918, CWE-426 CI Pwn Requests, CWE-829 AI Slopsquatting, CWE-400, and CVE-2021-42574 Trojan Source / Adversarial Prompt-Injection Immunity), Single In-Place PR Verdict Card, and Zero-Click Cross-Layer Blast Radius directly inside GitHub Actions without external SaaS dashboard bloat (Enterprise Zero-Retention Security Brief →).


ZeroSlop Airlock: SOVEREIGN · 12/12 CWE



ZeroSlop™ by Ribbsaeter Systems — Autonomous CI Pull Request Invariant Gatekeeper & Diff Minimization Engine on GitHub Marketplace



Install ZeroSlop on GitHub Marketplace    ZeroSlop Engine Repository    Ribbsaeter Systems ZeroSlop Portal    Official ZeroSlop Launch Press Release

PRODUCT SYSTEMS 12-SHIELD CWE AIRLOCK ZERO-CLICK BLAST RADIUS APIs SAAS CLOUD

Business building

Founder-led product strategy, business development, sales, positioning, branding, marketing, digital commerce, and go-to-market execution.

FOUNDER PRODUCT GTM SALES BUSINESS


Selected upstream engineering

Substantive contributions to established production codebases, working within existing architecture, repository conventions, explicit invariants, review feedback, and regression requirements.

Project Domain & Stack Architectural Invariant & Engineering Focus Upstream Work
LLVM Compiler · C++ X86 SelectionDAG non-power-of-two vector integer division vectorization and target lowering Merged
PR #215076
Meta Velox Query Engine · C++20 TopNRowNumber in-memory rank ordering correctness and partition stream execution parity Merged
PR #18529
Tokio Async Runtime · Rust Current-thread paused time wake tracking and zero-syscall timer queue preservation Merged
PR #8595
DuckDB Database · C++ PIVOT IN list zero-argument row() expression preservation and null dereference guard Merged
PR #26443
Apache DataFusion Query Engine · Rust Execution-layer schema conformance across in-memory physical execution and aggregation Merged
PR #24394
Microsoft Pyright Type Checker · TS Inherited asymmetric descriptor detection and type inference across effective MRO hierarchy Merged
PR #11605
Hugging Face Diffusers GenAI · Python InpaintProcessor 3-tuple return contract preservation when mask tensor input is None Merged
PR #14481
Valkey Datastore · C99 Cluster key-slot resolution and client-side cache validation for arbitrary key commands Merged
PR #4424
eBay NuRaft Consensus · C++17 Rejection of concurrent snapshot sync requests during asynchronous finalization race window Merged
PR #663
Microsoft TypeSpec API Compiler · TS Playground state synchronization and deterministic compiler regression suite coverage Merged
PR #11660
Microsoft Agent Governance Agent Safety · Python Fail-closed approval-chain invariant enforcement for zero-required-stage configurations Merged
PR #3448
Microsoft Agent Governance Agent Safety · Python Policy fixture schema validation rejecting test definitions missing explicit expectations Merged
PR #3442
Bushido Han Agent Tooling · Rust Windows project-path normalization compatibility with Claude Code workspace slug rules Merged
PR #105
ClickHouse OLAP Engine · C++20 Bounds validation on parallel replicas legacy query plan limit enforcement pipeline 174/176 Green
PR #114954
SGLang LLM Runtime · CUDA Mid-turn inline system message in-place attachment preserving RadixAttention prefix cache 98 Green
PR #42533
Cloudflare Workers SDK Edge Runtime · TS Raw TCP socket streaming and backpressure handling for rejected WebSocket upgrades 54/54 Green
PR #15205
Apache DataFusion Query Engine · Rust PushDownFilter clippy mutable key type allow annotations for logical Expr hash sets 43/43 Green
PR #26189
Apache DataFusion Query Engine · Rust Safe downcast to FixedSizeBinaryArray in CASE literal vectorized lookup evaluation table 43/43 Green
PR #26096
Apache DataFusion Query Engine · Rust Sort-merge semi, anti, and mark join key equality routing via JoinKeyComparator 42/42 Green
PR #26006
Anthropic MCP SDK Agent Protocol · TS Stream resumption support for SSE event identifiers containing underscore delimiter tokens 14/14 Green
PR #2567
LLVM Compiler · C++ X86 CodeGen preserve XMM register liveness across VZEROUPPER and check register clobbers 12/12 Green
PR #218873
Redpanda Streaming · C++20 RPC transport memory semaphore unit retention across queued outbound request entries 9/9 Green
PR #31594
OpenAI Triton GPU Compiler · C++ Nanobind static build free-threaded Python PEP 703 GIL module slot declaration Checks Green
PR #12221
vLLM LLM Serving · Python Empty and non-mapping YAML configuration validation preventing unhandled CLI startup crash Checks Green
PR #60319
Ledger Ragger Secure Element · Py Hardware wallet firmware project discovery across linked git worktrees and submodules 7/7 Green
PR #291
AWS Firecracker MicroVM · Rust Resolved clippy infallible destructuring match on TimerFd in optimized release builds 3/3 Green
PR #6262
Meta TorchTune LLM Training · Py Mistral and Gemma end-token generation stopping control and tokenizer parity 3/3 Green
PR #2977
Bun JS Runtime · Zig Node.js Buffer per-encoding methods receiver type conformance in JavaScriptCore bindings 2/2 Green
PR #44571
Ethereum go-ethereum Execution · Go Bound leveldb/pebble database batch memory size during filtermaps log index rollback Checks Green
PR #35586
Paradigm Reth Execution · Rust Transaction pool live iterator candidate demotion when earlier transactions are reinserted Mergeable
PR #27707
Supabase Supavisor Pooler · Elixir PostgreSQL query cancellation key synchronization across pooled backend connection reuse Checks Green
PR #1149
Web3.py Ethereum SDK · Py Async socket teardown lifecycle synchronization and deterministic future test harness Tests Green
PR #3872
Vercel Next.js Web Framework · TS Segment-cache client navigation recovery with full-page fallback guard on stale prefetches 3/3 Green
PR #97815

Additional upstream work spans Meta Pyrefly, Google ADK, OpenAI Python, Ethereum go-ethereum, Bitcoin Core, iCalendar, Vercel AI SDK, Claude Agent SDK ecosystems, Docker, JAX, Cloudflare Workers, Solana Web3.js, and other production systems.

Independent upstream engineering. Contributions do not imply employment, partnership, endorsement, or client relationships with the organizations listed above.


Engineering method

Symptom
  → execution behavior
  → architectural invariant
  → root cause
  → minimal durable correction
  → deterministic validation

The objective is not maximum code output. It is the smallest correct change that fits the system.


Operating model

Technical depth is paired with founder-level commercial context: understanding what should be built, why it matters, how it reaches users, how it creates value, and how to execute without unnecessary complexity.

Private systems architecture, client advisory, and commercial engagements operate under strict institutional confidentiality.

Open to selective projects, founder collaborations, and technically ambitious companies with real budgets, clear decision-making, and urgency to execute — particularly where the problem is difficult and there is no artificial ceiling on scope or industry.


Design · Ship · Verify · Compound



Profile Visitors



Less talking. More building.

Personal Website · Ribbsaeter Systems · LinkedIn

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