Hubert Witkowski's Work | ContraWork by Hubert Witkowski

Hubert Witkowski

Hubert Witkowski

HubSpot & Customer.io | Marketing Automation Expert | CRM

$5k+: Earned

2x: Hired

10: Followers

Warsaw, Poland

Work Services About

Warsaw, Poland

Cover image for CRM and Sales System Revamp for Bitlux

CRM and Sales System Revamp for Bitlux

Cover image for Lifecycle Marketing Implementation for EQULS

Lifecycle Marketing Implementation for EQULS

Cover image for Outbound Engine Development for Upshift

Outbound Engine Development for Upshift

Marketing Technology Stack Consultation & Implementation

B2B & B2C Lead Generation & Funnel Optimization

HubSpot CRM & Marketing Automation: Full Setup, Customization

Join 50k+ companies and 1M+ independents

For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Hackathons Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

Contact

Contact support

For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Hackathons Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

© 2025 Contra.Work Inc