Neil Arnie L.

Math and STEM content writer, licensed Electronics Engineer, and Senior Lead for mathematics content at Mathspace, an Australian EdTech platform. Top Rated with 100% Job Success. I deliver content that is mathematically correct, curriculum-aligned, and ready to publish, using AI to work faster and checking every output by hand. WHAT I CAN DO FOR YOU 📐 Math & STEM curriculum content: lessons, worksheets, question banks, assessments, and step-by-step worked solutions, from K-12 to college level, aligned to your curriculum or standards. 🔎 Content review & QA: accuracy checks, syllabus alignment, age-appropriate wording, and finding errors in AI-generated math. ✍️ Technical & B2B SEO writing: researched, keyword-targeted blogs and articles for SaaS, cybersecurity, networking, software, and healthcare companies. 🤖 AI content workflows: prompts and review steps that help your team produce more with ChatGPT, Claude, Gemini, or Grok without losing accuracy. WHY CLIENTS HIRE ME - 8+ years at Mathspace, promoted from content writer to Senior Lead. I write and review curriculum-aligned questions and solutions, and review senior secondary textbook content against syllabus outcomes. - Former math content developer for Course Hero, writing and peer-reviewing assessment items to strict specifications. - An engineer's eye for accuracy: PRC-licensed Electronics Engineer with 4.5 years as a Senior Network Engineer at Smart Communications. - Human-checked AI: I use AI to draft and check faster, then verify every number, step, and claim myself. - Tools: ChatGPT, Claude and Claude Code, Gemini and AI Studio, Grok, LaTeX, KaTeX, GeoGebra, Desmos, JSXGraph, HTML, Google Workspace, and MS Office. "Neil is easily one of the best freelancers I've worked with on Upwork." (5-star client, 2+ year engagement) HOW I WORK I communicate clearly across time zones, deliver on time, and handle urgent requests quickly. I've worked closely with both Australian and US teams. Message me with your topic, grade level or audience, and deadline. I'll reply with a plan and a sample of how I'd approach it.