0x21 Labs is a boutique software studio specializing in building high-performance applications, intelligent data systems, and scalable cloud-native platforms for forward-thinking businesses.
We're a team of product-minded engineers who believe great software is invisible — it just works.
Founded in 2021 as BTX Technology, we rebranded to 0x21 Labs in 2023 to better reflect our engineering-first DNA. The "0x21" represents the hexadecimal exclamation mark — our commitment to building software that makes people say "wow." Today we serve clients from startups to listed enterprises across APAC.
We don't do cookie-cutter. Every engagement starts with deep discovery — understanding your users, your constraints, and your ambitions. Then we architect solutions that are lean enough to ship fast but robust enough to scale. No bloat, no over-engineering, just clean code that solves real problems.
To democratize access to world-class software engineering. We believe every ambitious company deserves a technical partner that combines Silicon Valley-grade engineering with local market understanding and timezone-friendly collaboration.
To become APAC's go-to software innovation studio — the team that founders and CTOs call when they need something built right the first time. We're building a reputation one exceptional product at a time.
Full-spectrum software development — from concept to production and beyond
Full-cycle product development from ideation to launch. We build web apps, mobile platforms, SaaS products, and internal tools with modern stacks and clean architecture.
Build intelligent features into your products — recommendation engines, NLP chatbots, document processing, predictive models, and LLM-powered workflows.
Design and build applications born for the cloud. Containerized microservices, serverless functions, event-driven architectures on AWS, Azure, or GCP.
Build scalable data infrastructure — ETL pipelines, streaming architectures, data lakes, analytics dashboards, and real-time reporting systems.
Design robust APIs, build third-party integrations, connect disparate systems, and create unified data layers that make your tech ecosystem work as one.
Migrate legacy systems to modern architectures. Re-platform monoliths, upgrade frameworks, improve performance, and unlock new capabilities without starting over.
A few examples of what we've built for our clients
Built a real-time multi-currency wallet system supporting 12 currencies with instant P2P transfers, merchant payments, and compliance-ready transaction monitoring.
Developed an intelligent document processing system that extracts, classifies, and structures medical records using NLP, reducing manual data entry time by 75%.
Architected a high-performance headless commerce platform handling 10K+ concurrent users with personalized recommendations, real-time inventory sync, and multi-region deployment.
Small team, big impact — every member is a senior-level practitioner
Ex-Grab senior engineer. 11 years building distributed systems at scale. Obsessed with clean architecture and developer experience.
Former product lead at a Series B startup. Bridges user needs and technical execution. Ships fast without sacrificing quality.
PhD in Applied ML from NUS. Built production AI systems serving millions. Specializes in NLP and recommendation systems.
AWS Solutions Architect Professional. Designs infrastructure that auto-scales gracefully and costs less than you'd expect.