US-based engineering consultancy of Selby Baidjnath

When your project can’t afford an engineering mistake.

10+ yrs: shipping production software
6+ yrs: leading engineering teams
2 exits: startups taken to acquisition
100k+: users on systems I’ve shipped

Work

Augtal

CTO

AI recruiting platform, first commit to acquisition. Quantized inference, Kubernetes, security ops, and the engineering team.

TypeScript, Python, Kubernetes, pgvector

Plasma

Engineering lead

Led and built the cryptographic SDKs, ported from Scala to five languages with exact parity. Owned the mobile wallet product.

Rust, TypeScript, Kotlin, Java, Dart, Flutter

IT Partner

Lead developer

Logistics apps used across major European ports, migrated from Windows Mobile to Flutter with zero downtime.

Flutter, C#, Azure, Firebase

Architecture and production systems

Distributed systems, Kubernetes, PostgreSQL, CI/CD

Applied AI and inference

RAG, pgvector, vLLM, llama.cpp, quantization

Zero-downtime migrations

Legacy .NET and mobile, data backfills, cutovers

Multi-language SDKs

Rust, Go, TypeScript, Kotlin, Dart, WebAssembly

Engagements

System rescue

1–4 weeks

Fix a slow, flaky, or failing system.

Delivery sprint

4–12 weeks

Ship a defined, high-risk piece of work.

Fractional CTO

Monthly

Technical leadership without a full-time hire.

Hands-on, solo or with a small team

I still write the code. When the scope calls for it, I bring in a small team of senior engineers. One contract, one contact: me.

Backend, frontend, mobile, ML, DevOps, design, QA.

Ventures

Building products from zero to one, in the USA and Suriname.

Borderless

Suriname based studio that designs and implements software, BPA, and AI workflows that help teams move faster.

borderlessnv.com

Serubii

USA based software engineering and consulting firm that builds custom software for businesses.

Tell me what you’re building.

Book a call selby@serubii.co