John Sackeycv ↓

AI Engineer · Agentic Security · Accra

I build agents. I also break them. AI engineering & offensive security for agentic systems.

6+ years experience · 10+ projects shipped · Open to remote

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I build production AI agents,automation, and backends.Then I red-team them —finding the cracks first.AI engineering meetsagentic security.Leading AI infra,remote & worldwide.I love linux.

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Languages
PythonJavaScript (Node.js)TypeScriptBashJavaRustGoPHP
Frontend
Next.jsReactHTML/CSS
AI / ML
LLM APIsAnthropic ClaudeLocal AIComputer VisionAI AgentsRAGRLHFAgentic Security
Backend
REST APIsAutomationMicroservicesArchitecture
Tooling
GitDockerCI/CDOpenClawCustom tooling
Robotics
ArduinoLEGO MindstormsEmbedded SystemsPiKVM

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buildopen sourceactive

Proteus

Many agents. One gateway. Open source stateless, model-agnostic agent gateway — one OpenAI-compatible endpoint serves any number of file-defined agents. git@github.com:hijacker-mills/proteus.git

hijacker-mills/proteus
python · fastapi · litellm · pgvector · sse
build / breakopen sourceactive

Ward

Coding-agent harness enforced by the kernel — built in-house to control all harnesses together, unify security, share context between harnesses, and change models directly on the same context. Landlock + seccomp-bpf.

ward
rust · landlock · seccomp · harness
buildlive

PiCUA AI

World's first physical computer-use AI agent — PiKVM-compatible. Main project. Live at www.picua.ai

www.picua.ai
python · pikvm · computer-use
buildopen sourceactive

ViU

Video Understanding — turns a video into evidence an agent can understand. TransNetV2 shot detection + CLIP embedding + Deepgram/Whisper transcript aligned to frames. git@github.com:hijacker-mills/ViU.git

hijacker-mills/ViU
python · opencv · clip · video
build / breakopen sourceactive

pw-control

The most powerful browser-use CLI for agents. Lets LLMs and AI agents maneuver the internet efficiently — including drag-and-drop.

hijacker-mills/pw-control
playwright · agents · cli
buildlive

IntelliQ AI

AI study platform for student productivity. AI-enhanced learning assistance and intelligent educational workflows focused on student outcomes.

ai-intelliq.com
next.js · llm apis · rag
contributionopen sourceactive

OpenClaw Code

Contribution — Desktop IDE that gives OpenClaw a visual interface. git@github.com:damoahdominic/occ.git

damoahdominic/occ
typescript · llm · developer tooling
view full case studies →

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Lead — Agentic Security● active

Golem Security (https://www.usegolem.ai) · 300mil.com

  • Lead Agentic Security under 300mil at https://www.usegolem.ai — own the security model for agent systems and computer-use infrastructure.
  • Build offensive and defensive agent workflows; harden autonomous pipelines against prompt injection, tool abuse, and unsafe autonomy.
  • Ship evaluation harnesses and audit tooling that gate production agent releases.
Feb 2026 — Aug 2026

Lead Software / AI Engineerclosed

WithGiga · 300mil.com — Retired

  • Led AI infrastructure and physical computer-use agent work (computer-use only), compatible with PiKVM hardware — live at https://www.picua.ai.
  • Built backend services, automation pipelines, and developer tooling for AI-assisted machine interaction.
  • Shipped scalable backends and production tooling with distributed teams focused on real-world deployability.
Aug 2025 — Jan 2026

Lead — Agentic Security Teamclosed

WithGiga · 300mil.com — Retired (computer-use only)

  • Led computer-use focused security research across AI infrastructure and computer-use agents.
Feb 2025 — Jan 2026

Software / AI Engineer

Human in the Loop (HITL) · 300mil.com

  • Developed human-feedback-driven AI systems and analytical admin tooling for AI workflow oversight.
  • Assisted with AI pipeline optimization, evaluation frameworks, and quality testing.
Dec 2025 — Feb 2026

Lead Software / AI Engineerclosed

EasyACP · 300mil.com — Retired

  • Led engineering and built custom WooCommerce plugins and backend architecture for agentic commerce on the Agentic Commerce Protocol — checkout bridging, HPOS compatibility, webhook handling, and product matching.
  • Oversaw AI-assisted workflows for EasyACP, CheckoutL.ink, and Product Feed (ACP Spec).
Nov 2025 — Jan 2026

Software Engineer

JTech Innovations Gh — Freelance

  • Developed and maintained full-stack web applications for multiple international clients.
  • Built robust backend APIs and automation systems using Python, Go and Node.js.
  • Improved application performance, code quality, and deployment workflows.
May 2023 — Jun 2025

Robotics Instructor

Inovtech STEM Center

  • Taught robotics and embedded systems using Arduino and LEGO Mindstorms to secondary-level students.
  • Guided students through hands-on engineering and programming projects.
  • Contributed to STEM curriculum development and improvement.
Nov 2024 — Mar 2025

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2026
Webby Award — People's Voice Winner

Best Responsible AI Implementation · Human in the Loop (HITL)

2024

2nd Place — Robotics Competition

AIRTAD 2024

2022–24

Best IT Student — Three consecutive years

Labone Senior High School

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BSc Computing Science — Artificial Intelligence & Machine Learning

Valley View University, Ghana

Jan 2025 — Aug 2028 (In Progress)

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Open to remote roles in AI engineering and agentic security. Hiring, building a team, or just want to compare notes? Let's talk.

ø from Accra to the world