DEV Community

Neyab Ansari
Neyab Ansari

Posted on

I Built a B2B Lead Generation Tool for Freelancers - Here's What I Learned

#startup #ai #saas

The Problem

Freelancers and small agencies spend an exhausting amount of time on client acquisition - finding leads, writing cold emails, tracking responses, and creating proposals. Most tools out there are built for enterprise sales teams, not solo operators.

I decided to build something different: a B2B lead generation tool specifically designed for freelancers and small agencies.

What I Built

After months of building, I launched NexusLead.live - a platform that combines:

  • Smart Lead Scraper - Extract verified emails and phone numbers from Google Maps instantly, filtered by location, niche, and rating
  • AI Email Personalization - Generate personalized cold emails using AI that actually get opened
  • Invisible Email Tracker - Real-time open tracking so you know exactly when to follow up
  • AI Proposal and Invoice Builder - Create professional proposals and Stripe-like invoices in seconds
  • Desktop App (Nexus Connect) - Run WhatsApp campaigns locally from your own IP address, significantly reducing spam flag risk compared to cloud-based bots

The Tech Decisions

One of the biggest technical challenges was the WhatsApp campaign engine. Instead of running everything on cloud servers (which increases flag risk), I built a local desktop runtime that executes campaigns from the user's own hardware and IP address. This mimics genuine human activity and keeps data local.

What I Learned

  1. Start with the pain point, not the tech - I initially wanted to build with the coolest AI models, but the real problem was the workflow fragmentation
  2. Free tier is essential for adoption - A free plan with meaningful features was the best way to get early users
  3. Local-first architecture builds trust - Privacy-conscious freelancers prefer tools that don't send their data to the cloud

Try It Out

I'd love feedback from the DEV community! The free plan gives you 60 leads and 50 emails per month to test it out.

Check it out: nexuslead.live

Would appreciate any thoughts on the approach, feature set, or anything I might be missing!

Top comments (0)