CheckDomain
2024A free public API for checking whether a domain is blocked by Indonesia's Trust+ list. It grew from 2–5M to ~500M requests a month before I closed it to the public.
Laurensius Jeffrey (Jeff)
Protocol Engineer & Founder, Skiddle Labs · Bangkok, Thailand
jeff@skiddle.id skiddle.id GitHub Bluesky
Founder of Skiddle Labs and protocol engineer with a DevOps background, who codes end‑to‑end: building platforms, automating delivery and operations, and running networks across cloud and self‑hosted. Passionate about AI, and outside of work I’m a licensed private pilot (PPL, 2026).
7+ years in infrastructure open to consulting · services
since 2020
helping clients through Skiddle ID, now part of Skiddle Labs
3 years
as co-founder and DevOps engineer at Aerialite, a security startup
60%
less deployment time after automating Aerialite’s releases
~500M
requests a month served by my free CheckDomain API
Experience
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Skiddle Labs Pte. Ltd.
2020 – Present
My own company for personal projects and long-term clients. Skiddle ID is part of Skiddle Labs.
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Founder & CEO
2020 – Present- Run my personal projects and long-term client work under one company, including the Skiddle ID brand
- Developed and maintained web applications using multiple frameworks and technologies
- Supported infrastructure, including server management, backups and deployment
- Managed cloud and virtualisation platforms such as AWS, Cloudflare and Proxmox
- Coordinated and supported client projects from start to finish
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Client engagement
Protocol Engineer contract
Q3 2026 – Presentfor an undisclosed client · via Skiddle Labs
- Protocol engineering on contract, delivered by me and my Skiddle Labs team
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Aerialite
2022 – Present
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Advisory Board Member
2025 – Present- Moved to the advisory board; no longer involved in day-to-day operations
- Advising on the company’s ISO 9001 and ISO 27001 certification
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Co-Founder & DevOps Engineer
2022 – 2025- Built and maintained CI/CD pipelines for multiple applications
- Managed infrastructure using Infrastructure as Code (IaC)
- Implemented monitoring and logging
- Automated deployments, cutting deployment time by 60%
- Supported the company’s ISO 9001 and ISO 27001 certification work
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Undisclosed Company
2019 – 2020
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Infra Engineer
2019 – 2020- Implemented LDAP integration for user authentication
- Configured mobile device management (MDM) for company devices
- Automated backups and reduced backup time
- Set up and maintained company infrastructure
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Skills
Languages
TypeScriptGoPHPRustJavaScriptPython
DevOps & infrastructure
DockerKubernetesProxmoxUnraidTrueNASCI/CDMonitoring
Frameworks & tools
Vue.jsReact.jsAstroNode.jsGitLinux
Interests
AviationMachine LearningOpen SourceSelf-hosting
Selected projects
all projects →Shortlink
2025A URL shortener on Cloudflare Workers and Turso. It runs skiddle.link, including the DomainChecker tool.
Blocklist
2024Keeps a public copy of the Kominfo blocklist fresh, automatically, every hour.
Education
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Master's Degree in Artificial Intelligence and Machine Learning
Chulalongkorn University · 2024 – Present
Continuing advanced studies in AI and ML with focus on deep learning, neural networks, and practical AI applications in industry.
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Bachelor's Degree in Artificial Intelligence and Machine Learning
Chulalongkorn University · 2021 – 2024
Focused on machine learning algorithms, data science, and AI applications. Graduated with GPA 4.0.
Certifications
- Private Pilot License (PPL) 2026
- AWS Certified Machine Learning - Specialty 2024
- CompTIA Security+ 2023
- Microsoft Certified: DevOps Engineer Expert 2022
- Microsoft Certified: Azure Fundamentals 2022
- AWS Certified Developer-Associate 2021
- AWS Certified Solutions Architect-Associate 2021
- Cisco Certified Internetwork Expert (CCIE) 2021
- Cisco Certified Security Professional (CCSP) 2020
- Cisco Certified Network Associate (CCNA) 2020
Want to work together?
Roles, consulting or a quick question: email is the fastest way to reach me.