Lightning Joyce

AI-oriented full-stack engineer · Remote software engineer

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lightning@gltlab.net · github.com/lightning-joyce · linkedin.com/in/lightning-joyce · gltlab.net
Summary

Product-minded full-stack engineer focused on reliable delivery across AI SaaS, web systems, iOS products, and legacy PHP/WordPress modernization. I work in English and Chinese and bring a mix of architecture, implementation, debugging, product judgment, and operational follow-through.

Selected evidence
  • Built BankScanPro, a production AI SaaS for bank statement conversion, on Next.js, Cloudflare Workers, D1, R2, Queues, Stripe, and LLM validation pipelines.
  • Improved WordPress search performance by 200% and raised mobile PageSpeed from 60 to 100 for Business Bliss.
  • Built Miaodao across iOS and WeChat Mini Program; the iOS side reached approximately 57.5K downloads, 13.5K App Store subscription units, and $23.9K gross App Store sales.
  • Former Intel QAT engineer with Tencent frontend experience.

Experience

Pure Insight Technology Ltd

Founder and Product Engineer

2026 to Present
  • Building BankScanPro, an AI bank statement converter for accountants, bookkeepers, lenders, and finance teams.
  • Implemented a production stack with Next.js 15, React 19, Cloudflare Workers, D1, R2, KV, Queues, Drizzle, Auth.js, Stripe, Resend, and Lark webhooks.
  • Designed AI document-processing architecture with PDF extraction, structural fingerprinting, cached parser specs, LLM-generated JSON, deterministic interpretation, balance validation, review queues, and model evaluation.
  • Built monetization, analytics, SEO, and growth infrastructure including subscriptions, pay-per-use, Stripe webhooks, multi-currency pricing, programmatic landing pages, dynamic sitemap, JSON-LD, and product analytics snapshots.
  • Publishing a portfolio of focused iOS utilities under Pure Insight while BankScanPro remains the main SaaS product.

Business Bliss Consultants FZE

Full-Stack Developer · Part-time · Remote

Aug 2024 to Present
  • Modernizing legacy PHP, WordPress, order, portal, email, and infrastructure surfaces for a UK-based remote team.
  • Developed frontend work for a new order system and contributed across universal order form, client portal, researcher portal, and shared WTK/vendor libraries.
  • Helped migrate an old custom CMS with direct MySQL access into WordPress-backed content, custom themes, custom plugins, and API wrapper layers.
  • Improved WordPress search performance by 200% and raised mobile PageSpeed from 60 to 100 on production-facing pages.
  • Shipped production fixes across staff notifications, message flows, responsive behavior, email templates, report downloads, access control, Nginx proxy configuration, and Docker-based development environments.

Mengtu Technology Company Limited

Founder

Jul 2020 to Sep 2024
  • Founded and ran an independent software company, shipping iOS apps, WeChat Mini Program products, Electron apps, and web applications.
  • Built Miaodao, a time-sensitive consumer alert product across iOS and WeChat Mini Program for users in China.
  • The iOS side reached approximately 57.5K App Store downloads, 13.5K App Store subscription units, $23.9K gross subscription sales, and $20.1K developer proceeds.
  • Integrated Apple auto-renewable subscriptions with five approved plans, SMS notification delivery, city-based alert configuration, App Store metadata, ASO, privacy policy, terms, and subscription lifecycle handling.
  • Grew the product through ASO, social media, referral campaigns, and time-sensitive market demand before regulatory shifts changed the market.

Intel Corporation

Software Engineer, QAT · Intern to full-time

Sep 2018 to Jan 2020
  • Worked on Intel Quick Assist Technology, a hardware acceleration platform for cryptography and compression.
  • Optimized and tested QAT NGINX performance and built Python automation for VDO performance benchmarking.
  • Researched OpenVINO and TensorFlow compatibility and produced internal technical reports.

Tencent MIG

Front-End Intern

2017
  • Built frontend pages and components for the Yingyongbao open platform, including developer backend surfaces, game management pages, and a Tanabata mini-game.