ISAAC "IKE" CASTILLO JR.
PROFESSIONAL PROFILE
Workflow tools developer and Atlassian specialist known for building high-impact internal systems that streamline operations, cut costs, and scale with the business. I specialize in turning manual chaos into intuitive, scriptable, self-sustaining automation platforms — while designing user experiences that reduce friction and boost clarity. I don't just build tools — I build systems that improve themselves.
CORE SKILLS
Atlassian & Dev Platforms
- Jira (Software, Service Mgmt, Assets), Confluence (Data Center), ScriptRunner
- Groovy, HTML, CSS, JavaScript, TypeScript, Python, GitHub, GitLab, Jenkins
- Jira API, REST endpoints, User Macros, Comala, Insight, ConfiForms, Automation
Workflow & Systems Expertise
- Custom Jira workflows, permission schemes, screen schemes, automation
- License auditing, plugin deprecation, system scaling & self-service tooling
- Document Management Platforms, Smart Jira Portals, Internal AI Assistants
UI/UX Design
- Front-end prototyping using Figma, Tailwind, Webflow, CSS systems
- Developer-ready interfaces that prioritize clarity, hierarchy, and trust
- Accessible systems thinking with a focus on non-technical users
WORK EXPERIENCE
ATLASSIAN ADMINISTRATOR
Samsung Austin Semiconductor – Austin, TX
2019 – Present
- Administered Jira Software, JSM, and Confluence for over 8,000 users, supporting both internal and contractor teams.
- Designed and implemented a full SOP system across Confluence, Jira Service Management, Comala workflows, and Assets; reduced stakeholder touchpoints by 81% and saved $162K+ annually.
- Developed 150+ Groovy scripts (listeners, behaviors, fragments) using ScriptRunner to replace third-party plugins and automate complex workflows.
- Built enterprise Spotfire dashboards for live production metrics, passdowns, and tool visibility — several directly requested by Samsung HQ and company leadership.
- Selected to create data visualizations used in executive briefings, including reports presented to the company president.
- Led the creation of a full internal documentation ecosystem using Confluence, receiving a Director's Award for centralized tool indexing across tool types, recipes, and job roles.
PROCESS TECHNICIAN / EQUIPMENT TECHNICIAN
Samsung Austin Semiconductor – Austin, TX
2017 – 2019
- Promoted after 1 year due to standout contributions in automation and documentation.
- Designed and implemented 50+ workflow and documentation optimizations in SharePoint to modernize internal operations.
- Introduced Spotfire usage for passdowns and data visualization across key manufacturing teams.
- Consistently led innovation initiatives, even while in junior roles, becoming known as a team mentor and go-to technical resource.
MAJOR PROJECTS
Document Management Platform
8K+ users | $150K/year saved
Built a full-stack SOP workflow using Jira + Confluence + ScriptRunner + Comala. Dynamic approvals, asset routing, and compliance-ready. Currently under review for global rollout (20K+ users).
AI-Powered Atlassian Assistant
Private LLM | Jira + Confluence Indexing
Created a secure, on-prem AI agent that answers Confluence questions, assists in inline editing, writes JQL, and generates Jira issue comments. No cloud dependencies — full compliance.
Smart Jira Service Portal
AI-Enhanced | Enterprise-Scale
Developed an intelligent request intake system that routes users to the correct service form, launches automations, and scales without team growth. Currently in site-wide rollout phase.
EDUCATION
BACHELOR OF SCIENCE – COMPUTER SCIENCE (IN PROGRESS)
Expected Completion: 2027
ADDITIONAL HIGHLIGHTS
- Selected to represent the Atlassian team in site-level strategy sessions.
- Frequently collaborates with engineering leaders on cross-platform tooling strategy.
- Trusted to reverse engineer legacy apps and deliver clean replacements in Jira.
- Passionate about the future of AI-enhanced workflows and data-driven decision making.
- Regularly works evenings or off-hours to solve high-priority issues — self-driven by curiosity and accountability.
- Values scalable documentation and support tools that benefit all users, not just admins.