# Serubii LLC

> US-based engineering consultancy (Serubii LLC, a US limited liability company) led by Selby Baidjnath. Hands-on architecture and delivery for systems where mistakes are expensive: production systems, applied AI and inference, zero-downtime migrations, and multi-language SDKs. Solo, or with a small team of senior engineers. Based in Miami and Paramaribo, working remotely worldwide.

## Contact
- Website: https://serubii.co
- Email: selby@serubii.co
- Book a call: https://calendar.app.google/9vWsyp85euEqGMVq7
- LinkedIn: https://www.linkedin.com/company/serubii/
- GitHub: https://github.com/Serubii

## Track record
- 10+ years shipping production software; 6+ years leading engineering teams.
- 2 startup exits; systems reaching 100k+ users.
- [Augtal](https://serubii.com/archive/augtal): CTO of an AI recruiting platform, first commit to acquisition. Quantized inference, Kubernetes, security operations, and the engineering team.
- [Plasma](https://www.plasma.org/): Led and built cryptographic SDKs ported from Scala to five languages with exact parity; owned the mobile wallet product.
- IT Partner: Migrated logistics apps used across major European ports from Windows Mobile to Flutter with zero downtime.

## Practice areas
- 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.

## Related
- [Selby Baidjnath](https://serubii.com): founder's engineering profile, work history, and writing.
- [Borderless](https://borderlessnv.com): Suriname-based studio for software, business process automation, and AI workflows, also founded by Selby Baidjnath.

## Full LLM Context
- [llms-full.txt](https://serubii.co/llms-full.txt): this summary plus the full page content in Markdown.