Boby Santoso Freedantius

Engineering Leader • Senior Full-Stack Engineer • Staff Software Engineer


Summary

Engineering Leader & Senior Full-Stack Engineer shipping scalable systems across backend, frontend, DevOps, and AI. As CTO, led remote engineering teams to architect and deliver multi-tenant platforms with AI orchestration, real-time messaging, job queues, and enterprise onboarding. Specialized in building production-ready AI agents, designing distributed systems, and driving end-to-end product delivery from technical architecture to cloud deployment.


Core Skills
Leadership & Management

Led engineering teams through sprint planning and delivery

Designed technical architecture and made critical system decisions

Managed remote teams across multiple time zones

Shaped product strategy and roadmaps aligned with business goals

Backend Engineering

Node.js, Express.js, Bun

TypeScript, Prisma, Drizzle, PostgreSQL, MySQL, MongoDB

Redis, RabbitMQ, BullMQ queues

REST APIs, WebSockets, system design

Frontend Engineering

React, Next.js

Material UI, Tailwind, Framer Motion, GSAP, Shadcn

SEO, performance

AI & Automation

LLM Orchestration, LangChain, custom agents

Assistants API, WhatsApp automation (Baileys)

RAG pipelines, email categorization, workflows

DevOps & Cloud

Linux (Ubuntu), Docker, Traefik, Caddy, Portainer

DigitalOcean, AWS EC2, AWS S3, Cloudflare

CI/CD with GitHub Actions


Work Experience
CTO / Lead Full-Stack Engineer

ENBOQ (RiddleStory)Netherlands (Remote)

2021Present

Led engineering team of 4 across full-stack development, delivering AI-powered enterprise onboarding platform.

Architected Journey Builder with multi-step orchestration agents, daily missions system, XP gamification engine, and enterprise workflows.

Designed and deployed multi-environment Docker infrastructure orchestrating Redis, RabbitMQ, Postgres, and Next.js with automated deployment pipelines.

Built AI system with intent classification, confirmation gates, multi-step agent flows, and seamless Teams/WhatsApp integrations for automated customer interactions.

Senior Frontend Engineer

Flip.idRemote

20222023

Delivered Accept Payment system enabling seamless transaction processing for users.

Optimized landing page performance: improved GTmetrix score from 40 to 90, reducing load times and boosting conversion.

Drove TypeScript migration across entire codebase, improving code quality and developer velocity.

Frontend and Tech Lead Frontend

Niceday NederlandBandung, Indonesia

20182022

Led frontend team of 4 engineers, coordinating feature delivery and code reviews.

Built and maintained therapist management portal enabling practitioners to track client progress and manage sessions.


Key Projects
AI Agent Orchestration Workflow

Engineered custom LLM orchestration system featuring intent classification, confirmation gates, multi-step agent flows, persistent DB-backed memory, RAG document retrieval, and automated tool execution for complex workflows.

WhatsApp Automation Platform (Baileys + Redis)

Built production-grade multi-device WhatsApp automation platform with Baileys integration, event normalization layer, Redis pub/sub message routing, intelligent auto-reconnect, and AI-powered conversational workflows.

Emergency ER Referral Triage System

Developed Emergency Room triage system with AI-powered patient analysis, automated priority scoring, and intelligent referral routing to optimize emergency care delivery.


Education

Bachelor of Computer Science (2018)Bina Nusantara University