c
coldtogoldsg

Joshua Lim

@coldtogoldsg

Product Designer and Automation Specialist in Singapore

Singapore
English, Chinese
About me
Singapore-based product designer and automation specialist building done-for-you systems for businesses that want to move faster. I design SaaS interfaces, build Make.com automation workflows, and create AI-powered WhatsApp lead systems for real estate agents and SMEs. Services: lead capture automation, CRM setup, WhatsApp API, UI/UX design, responsive web design, and AI-assisted product development. Tested systems. Real results. No templates.... Read more

Skills

c
coldtogoldsg
Joshua Lim
Offline • 

See my services

Automations & Agents
I will build a real estate lead automation system
From$350 / projectMore details

Portfolio

Work experience

Self_Employed

Independent Product Designer and Automation Specialist

Self Employed • Freelance

Nov 2025 - Present • 8 mos

Built and deployed lead automation systems for Singapore real estate agents using Make.com, WhatsApp API, OpenAI, and Airtable. Designed SaaS product interfaces, responsive websites, and AI-assisted workflows for SMEs across fitness, F&B, lifestyle, and service industries. ✅ Built Cold to Gold — a full real estate lead automation system with instant WhatsApp responses, 24hr follow-up, Calendly booking confirmation, and Airtable CRM pipeline ✅ Reduced lead response time from hours to under 60 seconds using Make.com and Twilio WhatsApp API ✅ Designed and delivered production-ready websites and SaaS interfaces for clients across multiple industries ✅ Integrated OpenAI GPT-4o-mini to generate personalised WhatsApp messages from live lead data automatically ✅ Built scalable no-code automation workflows handling lead capture, CRM logging, agent alerts, and follow-up sequences