Paul Walter

Data Enrichment & Outbound Systems Engineer

Freelancer.com • Freiberufler

May 2026 - May 2026 • 0 mos

Built scalable outbound infrastructure combining Apollo.io for prospecting and Clay for multi-source data enrichment (LinkedIn, company websites, and tech stacks). Automated the flow of verified, high-intent leads into client CRM platforms (HubSpot and Zoho) via Webhooks and native integrations. Developed automated personalized messaging triggers based on lead enrichment data, significantly improving cold outreach response rates. Maintained strict database deduplication rules to ensure clean, actionable CRM data.

B2B Lead Generation & CRM Automation Specialist

Fiverr • Freiberufler

May 2026 - May 2026 • 0 mos

Designed and executed end-to-end B2B lead generation campaigns by leveraging Apollo.io and Clay for hyper-targeted data enrichment. Built automated workflows to instantly sync qualified leads into HubSpot CRM, eliminating manual data entry. Created custom deal pipelines, lead scoring systems, and automated email sequences that increased sales team efficiency. Optimized data hygiene and mapped custom properties to ensure accurate revenue tracking and reporting.

CRM Architect & Marketing Automation Expert

Upwork • Freiberufler

Mar 2026 - Apr 2026 • 1 mo

Architected advanced CRM setups and marketing automation funnels using Zoho CRM and ActiveCampaign to maximize customer lifetime value. Integrated lead capture forms with CRM modules to ensure seamless lead routing and instant auto-responders. Developed complex automation workflows, including behavioral triggers, lead nurturing sequences, and conditional split automations. Built custom dashboards to track key performance indicators (KPIs) like conversion rates and email open rates.