Christopher Vistal

Open to remote roles & contracts

Software engineer. I build production platforms end to end, from system design and data modeling to APIs, deployment and security.

Tandag, Surigao del Sur, PH · UTC+8 · 5+ years

Experience

2024 – Present

Case management platform · law firm

Designed and shipped the platform solo in about 4 months; up to 10 attorneys and staff use it daily with role-based access control, and the firm's spreadsheet workflow is retired.
Built billing, document automation from versioned templates, and email notifications via AWS SES.
Added a client portal with attorney messaging and an audit trail of every view, edit and download.

Laravel · Vue · Inertia · MySQL · AWS (EC2, RDS, S3, SES) · Read more →

Multi-campus data hub · state university

Built a Google Drive-style file and submissions platform with ONLYOFFICE for in-browser document collaboration, now live for faculty across all 4 campuses.
Wrote Go sidecars for resumable tus uploads that survive exam-week traffic on flaky campus networks, ClamAV virus scanning with quarantine, and X.509 PDF signing.

Laravel · Go · Vue · MySQL · S3 · ClamAV · ONLYOFFICE · Live site · Read more →

2021 – 2024

Built a records platform for 500+ civil-servant files and a tourism analytics dashboard, replacing paper and Excel.
Cut reporting response times by ~60% through query optimization.
Built an offline AI transcriber for the provincial board, so confidential audio never leaves the machine.
Automated payroll deductions, tax reporting and SMS alerts, and built an Android app and uptime monitor, turning half-day tasks into one click.
Introduced Git, code review and CI/CD; mentored 3 engineers.

Laravel · Vue · MySQL · SQL Server · Python · Android

Jul – Aug 2018

Built a faculty evaluation web app where students rate their instructors' teaching; used by 3,000+ students.
Added Python sentiment analysis on written feedback, giving administrators data for strategic planning and decision-making.

Raycast-style file launcher for Linux. Indexes 200K+ files in ~5s with sub-millisecond search.

Go · GTK3 · fsnotify · open source

Terminal GitHub manager: search, multi-select and bulk-delete repos with vim-style keys.

Go · Bubbletea · GitHub API · open source

Languages: PHP, Go, TypeScript, JavaScript, Python, SQL, Java, C#
Frameworks: Laravel, Vue.js, Inertia.js, Tailwind CSS, Node.js / Express, REST APIs
Data: MySQL, SQL Server, S3, queues
Infra: AWS (EC2, S3, RDS, SES), Docker, Nginx, Cloudflare, ClamAV, Linux, CI/CD, RBAC
Testing: PHPUnit, Pest
AI / ML: Whisper, CTranslate2, on-device inference, NLP

BS Computer Science, Surigao del Sur State University (now NEMSU) 2015 – 2019