SUMIHARAPRODUCTIONS

About Sumihara 事業概要

One person.
Direct responsibility.

I'm Matthew Toro. I run Sumihara Productions, a software and security practice built around direct work with the person who hires me.

Business profile

Business name 屋号
Sumihara Productions
Owner 代表
Matthew Toro
Business type 事業形態
Sole proprietorship
Team 体制
No staff. You work directly with me.

Working together

A direct line to
the work.

I handle the technical work and the conversation about it. When you explain a problem, you are talking to the person who will investigate it and make the changes.

My background combines application development with the infrastructure and security work around it. I can build a feature, trace a broken integration, or review how an application handles access.

We agree on the scope before work starts. Dynamic penetration testing requires written authorization and a defined testing boundary.

Read the testing requirements

I work in English and Spanish.

Experience

Background

My contract employment is separate from Sumihara's customer engagements.

View the portfolio

  1. 2026–present

    Cossette Productions LLC

    Full Stack Engineering / E-Commerce App Developer · Contract

    Built a custom e-commerce storefront and backend, with CMS and API integrations for purchasing and order management.

  2. April–July 2026

    DeltaClaims.AI

    DevSecOps Engineer I · Contract

    Worked on cloud security and SOC 2 readiness, led penetration testing, and built an internal operations portal. Promoted to DevSecOps Engineer I after two months.

  3. 2023–2025

    Freelance technical consulting

    IT support and system administration across Windows, Linux and macOS. Built and managed virtualized servers supporting communities of 24 to 60 users, with scripting and network hardening.

Study & qualifications

Education and
credentials

Broward College

Bachelor of Applied Science in Information Technology, Cybersecurity & Ethical Hacking. Associate of Arts and Associate of Science in Networking Systems Technology and Cybersecurity.

Certifications

  • CISSP · (ISC)²
  • Certified Ethical Hacker (CEH) · EC-Council
  • CCNA · Cisco
  • Cloud Practitioner · AWS
  • A+, Network+, Security+, Linux+, Cloud+, CySA+ and Secure Infrastructure & IT Operations Specialist (CSIS) · CompTIA

Technical practice

Tools I work with

Applications
TypeScript, JavaScript, Python, React, Next.js, Node.js, SQL and MongoDB.
Security
Burp Suite, Nmap, Nessus, OpenVAS and Kali Linux. Vulnerability management, access controls and system hardening.
Cloud & endpoints
Azure, AWS, Entra ID, Intune, Windows Autopilot and Microsoft Defender.
Infrastructure
Linux, Windows Server, Cisco networking, VMware, Proxmox, Hyper-V and KVM.

Start with a conversation.

Custom projects, full-time roles and longer-term contracts are welcome.

Discuss a project or role