
Coloring Page Daily
Free daily printable coloring pages and digital mobile coloring canvas for kids and adults, with automated creative workflows.
With 10 years of engineering experience across companies like Traveloka, Airy, and Cosmart, I build my own software products and partner with founders as a product engineer and fractional CTO — spanning applied AI, consumer web & mobile, and operational systems.

A daily digital and printable coloring page business with thousands of active users.
Beyond conventional development, I partner with founders and business operators across the entire lifecycle: scoping MVPs, directing product architecture, deploying applied AI workflows, and scaling engineering teams.
Turning business goals into clear technical requirements, scoping MVPs, and identifying where generative AI and automation create genuine operational leverage.
End-to-end engineering of customer web platforms, mobile apps, LLM agent workflows, and automated back-office tools that scale reliably.
Mentoring developers, vetting technical hires, and embedding modern AI tooling, testing standards, and CI/CD pipelines into team workflows.
A comprehensive engineering breadth spanning consumer web products, mobile platforms, enterprise operations, cloud data systems, and hardware.
Customer-facing products, portals, and custom SaaS from first wireframe to production.
High-performance iOS and Android apps sharing unified APIs and backends with your web products.
ERP systems, inventory management, quotation engines, and back-office tools that replace manual spreadsheets.
LLM agents and automated data pipelines wired directly into daily operational workflows.
High-throughput data pipelines, cloud deployments, and resilient backend systems built for scale.
Custom microcontrollers, embedded firmware, and physical-to-digital hardware products.
Explore recent projects across web platforms, mobile apps, ERP and operations systems, and AI workflows.

Free daily printable coloring pages and digital mobile coloring canvas for kids and adults, with automated creative workflows.

Branded dynamic QR codes: change where a code points after it is printed, track every scan, and generate codes through an API.

A traditional retail business where I run everything technical: the company website, internal ERP, a customer dashboard for enterprise customers, the data platform and IT hardware.

Membership e-commerce platform for bulk buying with high-scale catalog, multi-tier pricing, and synchronized mobile and web applications.

A newly launched gold retailer going digital. I build and run their website and the online store that comes next.

An architectural metal fabricator for facades, screens and custom metalwork. I built their public website and am building the internal ERP that will run their quotations, orders and purchasing.
An early-stage AI company building autonomous multi-agent pipelines and developer intelligence infrastructure.
A next-generation financial platform providing institutional liquidity, automated clearing, and real-time settlement.

A research platform for US stocks: real-time data, price forecasts, screeners, portfolio tracking and curated picks.
Logistics and fulfilment for Indonesian SMEs. I consult on their operations systems, data platform and external integrations.

Small, fast tools for everyday developer work, available on the web and over MCP. An IDE extension and a CLI are planned.

A mobile app for budgeting and tracking spending, built to make personal financial awareness simple and frictionless.

A hardware and design studio making custom fighting-game hitboxes on the RP2040 and bespoke gaming accessories.

My software studio: focused proprietary products and targeted client applications built with high engineering craft.
A digital directory and support initiative that helped 200+ Indonesian small businesses transition online during pandemic lockdowns.
A comprehensive history of proprietary products, client software systems, and full-time engineering leadership.
Enter the passcode-protected project code you received to review milestones, inspect quotations, and test private deliverables.
Tell me about your product, operational bottleneck, or team needs. I'll come back with a technical perspective and roadmap.