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I'm a senior backend software engineer with 15+ years building and modernizing SaaS systems in the PHP/Laravel ecosystem for enterprise, eCommerce, governance, healthcare, and education. I thrive as a hands-on senior individual contributor and enjoy mentoring teammates through pairing, code reviews, and architecture discussions. I actively contribute to the Laravel framework and PHP internals, and I’m exploring pragmatic AI-augmented development to improve productivity, testing, and software quality while delivering reliable, maintainable solutions for customers.…I'm a senior backend software engineer with 15+ years building and modernizing SaaS systems in the PHP/Laravel ecosystem for enterprise, eCommerce, governance, healthcare, and education. I thrive as a hands-on senior individual contributor and enjoy mentoring teammates through pairing, code reviews, and architecture discussions. I actively contribute to the Laravel framework and PHP internals, and I’m exploring pragmatic AI-augmented development to improve productivity, testing, and software quality while delivering reliable, maintainable solutions for customers.

Yitz Will Roth

Full Stack Developer, Back-End Developer, Web Developer, +2

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I'm a senior backend software engineer with 15+ years building and modernizing SaaS systems in the PHP/Laravel ecosystem for enterprise, eCommerce, governance, healthcare, and education. I thrive as a hands-on senior individual contributor and enjoy mentoring teammates through pairing, code reviews, and architecture discussions. I actively contribute to the Laravel framework and PHP internals, and I’m exploring pragmatic AI-augmented development to improve productivity, testing, and software quality while delivering reliable, maintainable solutions for customers.…I'm a senior backend software engineer with 15+ years building and modernizing SaaS systems in the PHP/Laravel ecosystem for enterprise, eCommerce, governance, healthcare, and education. I thrive as a hands-on senior individual contributor and enjoy mentoring teammates through pairing, code reviews, and architecture discussions. I actively contribute to the Laravel framework and PHP internals, and I’m exploring pragmatic AI-augmented development to improve productivity, testing, and software quality while delivering reliable, maintainable solutions for customers.

Available to hire

I’m a senior backend software engineer with 15+ years building and modernizing SaaS systems in the PHP/Laravel ecosystem for enterprise, eCommerce, governance, healthcare, and education. I thrive as a hands-on senior individual contributor and enjoy mentoring teammates through pairing, code reviews, and architecture discussions.

I actively contribute to the Laravel framework and PHP internals, and I’m exploring pragmatic AI-augmented development to improve productivity, testing, and software quality while delivering reliable, maintainable solutions for customers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Software Team Lead at Insomnia Cookies

February 1, 2023 - September 1, 2025

Led a full-stack modernization of the eCommerce platform (PHP 7.4→8.3, Laravel 8→11, MySQL 5.7→9.1) with static analysis, eliminating 20k+ lines of dead code and increasing type coverage from 20% to 55%. Architected a modular monolith (DDD, event-driven, API-first) with phased production rollout across customer, fulfillment, and in-store modules. Built a real-time delivery optimization engine considering geographic traffic, regional call volume, store staffing, 90-minute windows, and pending walk-in orders to select providers and estimate fulfillment times. Co-implemented AI tools leveraging RAG and MCP for store demand prediction and market evaluation. Enabled AI-assisted test generation and code review workflows, increasing unit test coverage from 35% to 60% and achieving 100% coverage of core workflows. Leveled up direct reports through pairing on complex features while acting as primary code reviewer and quality gate; partnered with product and engineering leadership to own i

Lead Software Engineer at ScholarPath

February 1, 2020 - February 1, 2023

Primary backend engineer on a government-compliant student pathway-matching system. Designed integration architecture with a common abstraction layer and thin adapters for PowerSchool, Infinite Campus, and Clever, expanding enterprise sales and enriching student data. Led third-party audit remediation with 100% acceptance ahead of schedule. Replaced manual CSV onboarding with a unified automated import service and built an OpenAPI-compliant REST API enabling automated data synchronization. Directed a stack upgrade (PHP 8.0→8.2, Laravel 8→10), performed a full dependency audit, and remediated 400+ issues in six weeks. Trained the team in unit testing, boosting coverage from under 10% to 45% within 60 days and gating all new code at 90%+ minimum coverage.

Lead Software Engineer at Parking Mobility / Thrive Technologies

January 1, 2018 - February 1, 2020

Spearheaded two concurrent projects: a legacy eGovernance app and a greenfield HIPAA-compliant healthcare billing platform on GCP. Served as sole architect for HIPAA-compliant design, data, and deployment, guiding deployment to six disability services agencies. Authored a custom PHP EDI X12 parser for automated claims processing and built an automated revenue recovery system, reclaiming $600K+ in previously rejected claims (92% success). Drove AWS→GCP migration, cutting monthly costs by 43%, and led PCI DSS readiness with remediation to certification.

Principal Engineer, API & Integrations at PhoneBurner

August 1, 2015 - January 1, 2018

Led API & integrations on a large-scale automation SaaS platform. Designed and launched a self-serve public REST API with provisioning, authentication, rate limiting, sandbox, and OpenAPI-driven development. Implemented specification-driven development enabling multi-language SDKs and robust documentation. Built a webhook/event system and versioning strategy ensuring backward compatibility across long-lived client integrations. Expanded CRM integrations from 2 to 6 platforms, including deep Salesforce integration, opening new enterprise sales channels.

Engineering Practice Manager at Grovo / Cornerstone On-Demand

June 1, 2014 - August 1, 2015

Founded the test engineering department and established quality as a discipline with dedicated ownership. Designed a structured code review process with gating standards achieving 100% PR review coverage. Delivered software craftsmanship workshops and mentoring while partnering with DevOps to define automated code quality metrics and gates in the CI pipeline, driving improvements in deployment frequency, defect rates, and cycle time.

Engineering Manager at LTC Ally

January 1, 2012 - June 1, 2014

Led an 8-person engineering team building back-office and line-of-business applications (PHP, Symfony, MySQL) for a long-term care financial services company. Defined architectural direction, technical standards, and delivery processes; interfaced directly with C-suite on key engineering initiatives.

Founding Engineer at FuelX / IgniteVideo

February 1, 2010 - January 1, 2012

Sole architect and primary engineer on a greenfield web and mobile video platform for a real-estate technology startup. Designed the end-to-end system architecture and translated founder vision into a shipped product that secured follow-on investment.

Software Consultant at Provantage Technology Solutions, Inc.

December 1, 2005 - February 1, 2010

Freelance software consultant focusing on architecture and backend development for line-of-business, back-office, governance, and healthcare applications for agency and direct-client engagements.