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Zacariah Heim

Senior Software Engineer | AI Agent Expert | Tech Inventor & Innovator

Portugal

Twitter / XDiscord: DaOfficialWizard
๐ŸŸกLurking

Highly accomplished Full-Stack Software Engineer, Senior Platform Engineer, and AI Agent Expert with 9 years of experience and a strong foundation in Systems and Embedded engineering. Former CTO of a deep-tech IoT startup for 6 years, securing 150% R&D funding increase and 3 patents in energy storage technology. Open to consultancy or full-time roles.

Work Preferences

Salary

EUR 75,000 โ€“ 250,000

Skills

Go (Golang)10/10
AI/ML & LLM Agents9/10
Full-Stack Development9/10
DevOps & CI/CD9/10
C++9/10
Embedded Systems (9/10)TypeScript/JavaScript (8/10)Cloud Platforms (AWS/Azure/GCP) (8/10)Docker & Kubernetes (8/10)Langchain/CrewAI/DSPy (8/10)Linux Kernel & Systems Programming (8/10)Node.js (8/10)ROS2 & Robotics (8/10)Rust (8/10)Terraform/Ansible/IaC (8/10)Python (8/10)React/Vue/Svelte/Angular (8/10)OpenCV/YOLO/Computer Vision (7/10)PostgreSQL/MongoDB/Redis (7/10)Flutter/React Native/Tauri (7/10)

Work Experience

Senior Platform Engineer

Nordic Sky Propulsion

Jan 2026 โ€” Present

Highly technical cross-disciplinary role covering server-side infrastructure design (Proxmox, Traefik, HAProxy, Fortinet, GitHub runners), CI/CD, binary repo management (Proget, Pulp), and more. Managed and optimized CI/CD pipelines across multiple projects and tech stacks, migrated legacy package stacks with 1000+ active packages, implemented custom battery pack firmware, and owned full e2e platform scope for UAV and ground-based systems.

Full Stack Engineer, Contractor

Gitpod GmbH

Sept 2025 โ€” Dec 2025

Improved existing AI Coding Agent Harness. Implemented a feature saving >โ‚ฌ150k/year in token usage costs. Designed and landed a production-grade context engineering strategy, led R&D into agentic context management systems, and implemented an evaluation and benchmark harness for the agent.

Lead Technical Specialist, Full Stack Engineer

Emissium Labs LDA

Aug 2025 โ€” Dec 2025

Scaled internal prototypes and ML models to production readiness. Implemented CI/CD and DevOps practices with GitHub Actions and Docker Compose. Designed and landed key backend services including gRPC APIs, REST APIs, DBs, and microservices. Implemented GPU infrastructure for ML workloads and integrated Authentik, Coolify, and other best practices.

Full Stack Engineer, Embedded Firmware Engineer, Contractor

Nordic Sky Propulsion

Jun 2025 โ€” Dec 2025

Designed, fabricated, and implemented a Jet Engine Control Unit (ECU) at firmware, software, and control levels using embedded Linux, C++, Rust, and Golang. Owned the project end-to-end, worked with PCB and mechanical design specialists, developed advanced flight algorithms and control flow state machines, and implemented security and compliance requirements.

Lead Technical Specialist, CTO, Co-Founder

Prometheon Technologies Bvba

Dec 2019 โ€” Jan 2025

Led innovative deep-tech IoT startup specializing in electrochemical engineering, embedded systems, software engineering, DevOps, and project management. Secured 150% increase in R&D funding. Invented and led development of advanced Proton Batteries with 3 patents. Hired and managed a team of 6 engineers. Designed company infrastructure, virtual data rooms, and real-time battery management cloud infrastructure. Reduced system downtime by 20%.

Head Of Research And Development

CYRES Bvba

Jul 2017 โ€” Dec 2019

Added technological consultancy to Cyres portfolio for R&D departments. Directly led to onboarding of 3 new clients through technical insights into market trends. Developed novel solutions saving 5 companies over โ‚ฌ50,000 each in technical debt.