
Ian S
Fullstack software developer
Skills

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Portfolio
Werkervaring
Founder
WorldStone Technologies • ZZP
Sep 2025 - Present • 11 mos
Founder and lead developer building production-grade web and app projects focused on interactive systems, mapping, and AI-assisted tools. I design and develop full-stack applications using React, TypeScript, Node.js, PostgreSQL, and cloud infrastructure. Projects include interactive dashboards, data-driven tools, and map-based applications using technologies like Three.js, real-time data flows, and AI-powered features such as chat assistants. Responsible for system architecture, backend APIs, frontend interfaces, and deployment workflows. Focused on turning complex ideas into user-friendly software through rapid prototyping and AI-accelerated development.
Technical Co-founder
EServ • Fulltime
Aug 2021 - Dec 2025 • 4 yrs 4 mos
Technical co-founder and lead developer for a multi-year SaaS platform serving field service and operations teams. I designed and built core systems across the full stack using React, Node.js, PostgreSQL, and AWS, including authentication, role-based access, real-time data flows, and third-party integrations. Led architecture decisions, performance improvements, and feature development while supporting live customers and evolving product requirements. Regularly worked across frontend, backend, infrastructure, and database layers to ship reliable features and resolve production issues quickly. Also implemented automation, internal tools, and AI-assisted workflows to improve team efficiency and accelerate product iteration. Supported live production customers, handled real-world operational edge cases, and maintained uptime while continuously shipping new features.
Software Engineer
Bellevue University • Fulltime
Nov 2018 - Nov 2019 • 1 yr
Worked on internal enterprise systems supporting university operations, including PeopleSoft and related administrative platforms. Developed and maintained integrations, internal tools, and custom web applications using PHP and other technologies. Assisted with data workflows and system connections involving platforms like Salesforce and MuleSoft. Focused on reliability, maintainability, and improving processes for staff-facing systems in a large organizational environment.