/ Ideas & expertise

What we learned
building the impossible

Case studies, engineering deep-dives, and hard-earned lessons from AI call centers, million-user platforms, and tourism ecosystems.

/ All articles

Strategy

Small Teams, Impossible Projects: Our Operating Model

How a lean team shipped 100+ projects in 5 years — from AI call centers to million-user platforms. The frameworks that make it work.

7 min read
2025
Product

Building AI Voice Agents That Sound Human

73% of callers couldn't tell the difference. The engineering behind natural-sounding AI that handles multi-agent workflows, transfers, and booking.

8 min read
2025
Engineering

We Built a PCI-Compliant Tourism Platform That Processed $1M+ — Here's How

In-house encryption, event-driven cloud architecture, multi-provider hotel integrations, and custom messaging — the engineering behind a travel ecosystem serving 200+ active advisors with error rates below 0.1%.

14 min read
2025
Open Source

Zero to 150K ops/sec: Building Zero Router

The story behind our open-source TypeScript router that outperforms Hono and Fastify in real-world benchmarks.

15 min read
2024
Case Study

400K SMS in Under 10 Minutes: The Infrastructure Behind $4MM ARR

How we built the SMS infrastructure that powered a healthcare marketing platform serving major US enterprise clients — with Golang, AWS SQS, and DynamoDB. July 2021-2023.

12 min read
2023
Engineering

We Engineered a Personal Shopper Product for a $14B Commerce Platform

Full serverless on AWS. Event-driven with SQS and EventBridge. Managed video with AWS Chime. DynamoDB. WhatsApp integration. 16 countries. We built the engineering behind a personal shopping product for one of the world's largest B2B commerce platforms.

25 min read
2022

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