# Chad Koslovsky
Business applications, from workflow to production
Milliken, Colorado · chad@koslovsky.xyz

## Target role
Senior Software Engineer | LendingTree

## Profile
I build business applications and stay responsible for the systems behind them. My work connects customer workflows with data and service boundaries, informed by years of hands-on production support.

## Curated capabilities
- TypeScript / React / HTML & CSS
- SQL / PostgreSQL / data modeling
- API design / third-party integrations
- AI-assisted workflows / agent tooling
- Application support / release & recovery

## Relevant experience
### Founder / Product Engineer / Systems Lead · Technomancy IT LLC
Present
- Lead a referral-based technical practice, carrying client needs through application design, delivery and ongoing support.
- Build tenant-aware shared services and authenticated APIs; delivered access-controlled connectors and automation across client business tools.

### Product Engineering and IT (Long-Term Contract) · NuPrice | Client engagement within Technomancy IT
2019-2021
- Built and operated a client reseller application connecting marketplace and competitor data to user-defined repricing rules, monitoring and analytics.
- Owned accounts, subscriptions, billing, embedded support and technical operations. The engagement began alongside FRII; the product was acquired.

### Senior Systems Engineer / Datacenter Architect · Front Range Internet Inc.
2015-2020
- Ran the NOC and handled production escalations, with lead engineering responsibility through the company transition.
- Migrated workloads from Hyper-V and VMware ESXi to Docker and Kubernetes, upgraded server and firewall infrastructure, and led SOC 1 and SOC 2 audits.

### Systems / Software Engineer · Office Evolution
2014-2015
- Built centralized applications joining CRM, onboarding, provisioning and service operations across locations.
- Turned cross-department handoffs into explicit workflows and worked with the CEO and CIO on the systems supporting the business.

### Network & Systems Engineer · PlumChoice / Everon
2012-2014
- Engineered and supported managed-service client networks and endpoints, communicating directly with business owners and end users.
- Built diagnostic and support tooling around recurring problems, using monitoring and on-call response to investigate and recover client systems.

### Infrastructure and Systems Focal · IBM
2010-2012
- Supported shared enterprise infrastructure across application teams and customer environments.
- Automated audit and backup workflows and coordinated changes, incidents and escalations with application, infrastructure, vendor and business stakeholders.

---

## Product & Engineering Work
### ProofMark | Document-signing workflows · Completed client engineering contribution
Contribution completed
- Completed client engineering on a signing workflow connecting React interfaces, typed APIs and PostgreSQL records with PDF fields, recipient routing, audit history and webhooks.
- Kept security-sensitive state and fallback paths explicit across signing and verification, bringing the document, signer and evidence record into one connected product workflow.

### Kerf | Compiler and UI architecture · Owner-built framework and distinct UI toolkit
Early development
- Building Kerf, an early-development TypeScript/TSX framework with its own compiler, full-stack routing, authentication and data architecture, alongside its UI tools.
- The working preview shows direct page updates and actionable diagnostics for coding agents. The public npm scaffold provides an entry point to the framework; Kerf is a separate runtime from React.

### Technomancy | Client-operations platform · Founder-built product for the technical practice
In development
- Built a TypeScript/Next.js and PostgreSQL operating layer joining support tickets, companies, contracts, billing and infrastructure context behind tenant-aware services.
- Built deployment tooling that records image identity, applies migrations and checks service health, plus restore-verification tooling for a disposable database, supporting investigation and ongoing application ownership.

## Links
- View my interactive resume and work: https://lendingtree.koslovsky.xyz
- LinkedIn: https://www.linkedin.com/in/chadkoslovsky
- GitHub: https://github.com/Ravonus
- Kerf framework preview: https://kerfjs.netlify.app/
- Kerf npm scaffold: https://www.npmjs.com/package/create-kerf
- ProofMark product website: https://proofmark.net/
- Technomancy platform overview: https://technomancy.it/#platform