Omar Sanchez

Senior Software Engineer

Justworks

Oct 2023 - Current (3 years 1 month)

• Agentic AI systems and interfaces — Architected and shipped IntOps Copilot, an AI powered internal operations assistant built on the Mastra agent framework (Typescript) and GPT-5, integrating 25+ tools across EOR, Juro, Jira, Zendesk, and Notion to automate employee data lookup, profile updates, and payroll validation workflows, reducing manual ops overhead for the International Customer Success team.
• International Onboarding Platform — Owned and evolved end-to-end employee onboarding flows across 20+ countries, supporting international expansion while ensuring compliance with local labor, tax, and payroll regulations. Leveraged a server-driven UI approach to enable scalable, configurable onboarding experiences as new countries and

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Software Engineer

Via Work

Jun 2019 - Oct 2023 (4 years 5 months)

• Employer of Record (EOR) Systems — Designed and built core Employer of Record infrastructure from the ground up, enabling compliant hiring, contracting, and payroll operations across 20+ countries and unlocking international expansion for global customers.
• Payroll & Payments — Built and owned a contractor payment engine integrating Wise APIs, supporting reliable multi-currency payouts for international contractors and reducing payment failures and manual reconciliation.
• Ownership — Acted as a primary owner for critical payroll and payment workflows, supporting high-volume production runs and collaborating closely with product and operations teams.

Fullstack Engineer

Bquate

Jan 2019 - Jun 2019 (6 months)

• Music Distribution Platform — Redesigned a DDEX ingestion system to support plug-and-play integrations with digital music stores, improving scalability and reducing effort required to onboard new platforms.

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Software Engineer

Mobintum

Dec 2015 - Dec 2018 (3 years 1 month)

• B2B SaaS Systems — Developed backend APIs for sales force automation tools, optimizing route planning, order workflows, and operational reporting for enterprise customers.

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CTO

Geek Education

Jan 2015 - Nov 2015 (11 months)

• Startup Leadership — Led development of a two-sided marketplace for educators, owning architecture, feature development, and payment integrations in an early-stage startup environment.

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