About
Who we are and how we operate
We're a small, independent technology studio building middleware for foundation models. We build what we intend to use, publish what we learn, and focus on systems that become more useful over time.
What we build
We build middleware, developer tooling, automation solutions, and applied research that help close the gap between model capability and real-world utility.
Middleware Systems
Systems that connect foundation models to the software, data, and services they need to be useful in practice.
Developer Productivity
Tools and infrastructure that help builders create, test, and maintain AI-native software solutions more efficiently.
Automation Solutions
Practical automation solutions that reduce repetitive work and make existing workflows more reliable and predictable.
Applied Research
Research, benchmarks, and evaluation frameworks that help teams understand, measure, and improve AI systems in practice.
How we operate
These principles guide how we build products, make decisions, communicate, and operate the studio.
- Own what you build
- Ownership creates accountability. We care about maintainability, reliability, and long-term quality because we expect to live with the consequences of our decisions.
- Lean by choice
- Small is a strategic advantage when combined with focus, discipline, and modern tools. We do not grow for the sake of it.
- Builders first
- We build for people creating systems. Every decision starts with whether it helps builders solve real problems more effectively.
- Practical over theoretical
- Useful systems are more valuable than impressive ideas. We build things that work in real environments.
- Say what you mean
- Clear communication matters. We describe what we do, how it works, and what we believe without unnecessary complexity or inflated language.
Who runs this
Fullstacko is operated by its two founding partners. Together they lead product, engineering, AI systems, finance, operations, and compliance.
Renjiv Raman
LinkedInRenjiv leads product strategy, software architecture, engineering, and AI systems development. His work spans product management, full-stack software engineering, AI workflows, data systems, and digital product development.
Aswathi Sagar
LinkedInAswathi leads finance, operations, compliance, and business administration. She is responsible for the operational foundations that allow the studio to function sustainably — financial planning, risk management, and organizational systems.
Interested in our products, research, or the lessons we're learning from operating middleware systems? We'd be happy to hear from you.
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