Custosa

Actively Hiring

Software & Ai Systems Intern

NA, India

Internship

Role Overview

We are seeking a Software & AI Systems Intern to work directly alongside the founder to architect, build, and ship the core Custosa runtime and developer experience.

About Custosa

Custosa builds core infrastructure, developer SDKs, and AI integrations, focusing on low latency policy evaluation services and developer integrations that sit between AI applications and sensitive data sources.

Key Responsibilities

Design and ship low latency policy evaluation services, SDKs, and developer integrations
Take ideas from initial architecture through backend implementation, developer dashboard UI, and production deployment
Build integrations, MCP servers, and middleware hooks for LLM frameworks and agentic workflows
Test edge cases, debug real world failure modes, and keep the runtime fast and reliable

Requirements & Eligibility

Product first mindset with passion for understanding product problems
Experience building personal projects and tinkering outside of class assignments
Strong fundamentals in at least one stack such as TypeScript, Node.js, Python, Rust, or Go
Ability to figure out unfamiliar APIs or infrastructure on the fly

Interview Process

Zero LeetCode or DSA puzzles. The conversation focuses on projects worked on, ideas cared about, and how you think through building products from scratch.

Required Skills & Tech

TypeScriptNode.jsPythonRustGoAILLMSDK