Middle Technical Support Merchant Onboarding Specialist

At Geniusee, we help businesses thrive through technology partnerships and strengthen the engineering community by sharing knowledge and creating opportunities 🙌
We live by our values: Continuous Growth, Team Synergy, Taking Responsibility, Conscious Openness, and Result-Driven Mindset. Here, you’ll find a safe, inclusive, and supportive environment where your voice is heard, and feedback is welcome 🤗
Whether you want to work from home or from our offices in Kyiv / Lviv / Warsaw with stable electricity and Wi-Fi, we’ve got you covered.
Join us and make an impact 💜

About the project:
The project is a profitable and established fintech company operating in the high-risk payments industry with a proven product-market fit and a growing customer base. As the company scales, it is expanding its merchant onboarding and integration capabilities to improve onboarding speed and customer experience. As a Technical Support & Merchant Onboarding Specialist, you will help merchants successfully integrate and go live by coordinating onboarding activities, providing technical guidance, and collaborating closely with internal teams.

Requirements:
 

• 2+ years of experience in Technical Support, Merchant Onboarding, Customer Success or Technical Account Management
• Strong understanding of payment gateway / PSP onboarding processes
• Experience guiding customers through:
  • Sandbox & production account setup
  • API documentation and integration flows
  • Webhook configuration and troubleshooting
  • Apple Pay / Google Pay setup
  • Wallet and settlement configuration
  • KYC / KYB onboarding processes
• Ability to identify onboarding blockers and proactively drive resolution
• Experience managing multiple onboarding flows and product configurations
• Strong stakeholder management and cross-functional collaboration skills
• Excellent communication skills with both technical and non-technical audiences
• Experience working with Jira, ClickUp, CRM, or ticketing systems
• Strong analytical and problem-solving skills

Responsibilities:
 

• Proactively drive merchant onboarding processes from kickoff to go-live
• Act as the primary point of contact for merchants throughout onboarding
• Coordinate onboarding timelines, milestones, and weekly check-ins
• Guide merchants through onboarding activities including:
  • Sandbox & production account setup
  • API documentation walkthroughs
  • Webhook configuration and validation
  • URL whitelisting
  • Apple Pay & Google Pay setup
  • Wallet and settlement configuration
  • Payment method validation
  • KYC / KYB processes
• Track onboarding progress and validate onboarding-related tasks across Jira, ClickUp, or similar tools
• Identify blockers, coordinate with internal teams, and proactively drive resolution
• Maintain onboarding consistency across multiple merchant and product configurations
• Validate onboarding readiness and coordinate go-live activities
• Contribute to onboarding process improvements and documentation standardization

Nice to have:
 

• Experience with Stripe, SumUp, Adyen, Checkout.com, Worldpay, or similar payment platforms
• Experience in fintech, payments, or SaaS environments
• Experience with onboarding documentation and process standardization
• Experience reviewing API requests, webhooks, and integration flows
• Experience working in Support + Implementation hybrid roles
• SQL or basic log analysis skills would be a plus

What will you get:
Career growth & projects
• Competitive salary based on your skills and experience, and a benefits package.
• Regular performance appraisals to support your career development.
• Professional development support: online courses, certifications, and study compensation (including English courses).
• A modern tech stack across challenging, long-term projects.

Health & well-being
• Paid vacation (18 working days) and sick leave (15 days).
• VIP medical insurance or sports coverage.

Work environment & flexibility
• Remote work from anywhere in the world or in one of our offices in Kyiv, Lviv, or Warsaw.
• Coworking compensation.
• Necessary equipment to perform your work.

Culture & community
• A collaborative and open culture where contributions are recognized.
• Regular corporate online & offline activities.
• Geniusee Charity Fund, making a difference beyond tech.