# Chad Koslovsky
Senior Product Engineer, Cresta Labs · product engineering for trusted APIs
Loveland, Colorado · chad@koslovsky.xyz

## Target
Senior Product Engineer, Cresta Labs at Cresta · United States

## Profile
I design and ship product systems where permissions, data boundaries, and developer experience have to work together. I bring full-stack implementation, API and workflow judgment, and first-hand ownership of the production details that make infrastructure usable and trustworthy.

## Relevant strengths
- Applied AI and automation
- Full-stack product engineering
- Technical leadership and collaboration
- Platform engineering and operations
- Data systems and reliability

## Relevant experience
- **Applied AI inside real products:** Builds AI into product workflows through retrieval, structured outputs, classification, natural-language interfaces, orchestration, evaluation, and human review while keeping architecture and product judgment explicit.
- **End-to-end product platform:** Designed and built a Next.js, TypeScript, PostgreSQL, and containerized platform spanning CRM, support, scheduling, meetings, billing, analytics, infrastructure telemetry, and AI-assisted workflows.
- **Founder-led product delivery:** Earned Upwork's Top Rated badge and ranked among its top 10% of freelancers before building a referral-based practice. Usually served as the only engineer or lead engineer, helping teams ship products and fundraising systems used in raises totaling millions of dollars and managing smart contracts that held millions in value.
- **Acquired Amazon reseller SaaS:** Designed, built, and operated an Amazon reseller SaaS product with marketplace ingestion, repricing automation, analytics, account workflows, and support built directly into the application.

## Focus for this application
The relevant thread is building high-leverage primitives that make complex systems easier for other developers and customers to use correctly.

## Links
- Resume: https://chad.koslovsky.xyz/resume/chad-koslovsky-resume.pdf
- LinkedIn: https://www.linkedin.com/in/chadkoslovsky
- GitHub: https://github.com/Ravonus