Onboarding Manager

Posted 7 Days Ago
Be an Early Applicant
Belgrade, Grad Beograd, Centralna Srbija
In-Office
Junior
Payments • Financial Services
The Role
As an Onboarding Manager, you'll lead the integration and configuration processes for merchants, ensuring a smooth onboarding experience while closely collaborating with various teams to enhance the process and documentation.
Summary Generated by Built In
About Unlimit
 
Unlimit is the global fintech powerhouse behind the world’s largest proprietary payments infrastructure.
Founded in 2009, Unlimit operates across 17 global offices with 700+ experts, seamlessly integrating 1,000+ payment methods into a single platform. From London to São Paulo, we empower businesses to scale across borders with a unified suite of financial tools — including payment processing, alternative payment methods, multicurrency business accounts, card issuing, banking-as-a-service, and crypto on- and off-ramps.
Our mission is to break down financial barriers and enable seamless money movement across borders. We give forward-thinking businesses the tools to accept, send, and manage payments effortlessly, wherever they operate.


You are a technical, customer-facing specialist responsible for guiding merchants through integration, configuration, testing, and go-live. You partner closely with Sales and Product to deliver a smooth, predictable onboarding journey and you coordinate with Engineering, Risk/Compliance, and Operations to remove blockers quickly. You own the onboarding operating model: documentation, training, governance, and a high-quality handover into steady-state support.

What you’ll work on:

  • Client onboarding and enablement
  • Lead end-to-end onboarding from kickoff through go-live and early-life support.
  • Align requirements, success criteria, timelines, and expectations across merchant and internal teams.
  • Deliver onboarding training and product walk-throughs.
  • Maintain and improve onboarding materials (implementation guides, checklists, FAQs, go-live playbooks, release notes).

  • Integration delivery and troubleshooting
  • Own technical delivery including configuration, testing, pilot execution, and go-live readiness.
  • Provide hands-on guidance for REST API integration, callbacks/webhooks, and recommended patterns.
  • Reproduce and isolate issues, document findings, and coordinate fixes with Engineering.
  • Run diagnostics using Splunk, Grafana, and Postman, propose workarounds, and verify fixes before merchant retesting.
  • Validate operational readiness (credentials, environments, error handling, reconciliation expectations, support handover).

  • Access management and secure configuration
  • Configure and verify access and credentials in line with security and compliance requirements.
  • Configure merchant setup (BINs, auth flows, fees/pricing, limits, environment-specific settings) and coordinate approvals.
  • Keep configuration, access status, and onboarding approvals up to date in Salesforce, Jira, and Confluence.

  • Cross-functional coordination and scaling
  • Run regular onboarding check-ins, track owners and blockers, and provide clear progress and risk updates.
  • Capture merchant feedback and translate recurring friction into backlog items and process improvements.
  • Maintain a central tracker of onboarding stages (signed, onboarding, testing, ready, live, hypercare) and improve playbooks to increase throughput.

Required experience and skills:

  • 2+ years in regulated payments/fintech (bank, PSP, acquirer, gateway, card processor).
  • Proven merchant or partner onboarding for API-based products, with strong stakeholder management.
  • Hands-on REST APIs and webhooks, testing approaches, and go-live readiness.
  • Experience with microservices, integrations, and cloud-native architectures (AWS preferred).
  • Strong understanding of PSP/card processing lifecycles and ability to explain clearly to mixed audiences.
  • Working knowledge of Java, Python, or JavaScript to read code, debug integration behaviour, and collaborate with Engineering.
  • Strong technical writing for customer-facing documentation with reproducible steps.
  • Strong troubleshooting skills and ability to produce clear, actionable findings.
  • Comfortable with Jira, Confluence, Salesforce, and ticketing/case tools (Intercom, Zendesk, Salesforce Service Cloud).
  • AI literacy to improve documentation, enablement, and operational efficiency in a compliant way.
  • Excellent English (C2), strong communication through chat and calls

Join Unlimit Team now!

Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.

Top Skills

AWS
Confluence
Grafana
Intercom
Java
JavaScript
JIRA
Postman
Python
Rest Api
Salesforce
Salesforce Service Cloud
Splunk
Zendesk
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The Company
HQ: London
436 Employees
Year Founded: 2009

What We Do

From London to Singapore and from San Francisco to São Paulo, we help businesses enter new markets, explore new industries, and reach new milestones. We are driven by a deep-seated determination to be the best possible partner for our customers – giving you the support you need to capitalize on a world that’s changing at breakneck speed.

Our mission is to provide innovators with a convenient and simple financial interface that enables payments to flow freely and invisibly across borders. We offer a wide range of services, including payment gateway, card acquiring, business accounts, card issuing, alternative payment methods, and more.

That’s the reason why we are called Unlimit: we provide unlimited growth opportunities for our customers, freeing them from the payment constraints.

Unlimit - Borderless Payments

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