Lead Implementation Consultant – Card Payments

• Lead implementation projects as the Implementation Lead
• Facilitate functional and technical scoping workshops to understand client requirements
• Support clients in building proficiency on the platform
• Work with the Product team to prioritize and resolve functional gaps
• Draft and own functional and integration specifications
• Coordinate technical topics with Technology teams
• Drive support for client test phases, including configuration, connectivity and test execution
• Oversee defect triage and coordinate issue resolution
• Act as the primary client contact and escalation point for sensitive functional matters
• Identify deviations from the standard and scope change requests
• Support data and transaction flow migrations
• Ensure handover to Customer Success teams
• Advocate for the client with Product and Technology teams
• Coordinate projects with Customer Delivery Managers
• Document best practices and develop delivery templates and guides
• Continuously improve the operational efficiency of the Professional Services offering

Requirements

• Master’s degree (or equivalent) in Engineering, Computer Science or a related field
• Fluent French (C2)
• Professional working proficiency in English (B2–C1)
• More than 6 years’ experience in consulting, integration or implementation of ERP/SaaS projects in the financial or banking sector
• Proven experience on client-side implementation projects, including testing, integration and user acceptance testing (UAT)
• Essential experience in at least one card payments domain: issuance, acquiring or disputes/chargebacks
• Strong understanding of the transaction lifecycle in at least one domain
• Solid understanding of payment schemes: Visa, CB (Cartes Bancaires), Mastercard and Wero
• Understanding of authorization flows, settlement and the dispute lifecycle
• Good knowledge of REST APIs and JSON and XML formats
• Ability to read and challenge functional and technical specifications
• Understanding of file-based flows and secure transfer protocols, including SFTP
• Familiarity with testing tools, in particular Postman
• Experience setting up test environments and configuration
• Ability to lead workshops, explain concepts, structure discussions and provide reassurance
• Stakeholder management on complex accounts
• Ability to clearly present risks and trade-offs with options
• Ability to mentor and upskill junior consultants
• Ability to operate in an Agile, fast-paced and highly transforming environment
• Rigour, autonomy, a collaborative mindset, transparency and a proactive approach

Core Competencies

Demonstrates expertise in leading ERP/SaaS implementation projects, with a strong focus on client engagement, functional specifications, and integration testing. Proficient in payment schemes and transaction lifecycles, with the ability to mentor teams and improve operational efficiency.

Highest-signal resume keywords

• ERP/SaaS Implementation
• Client-Side Project Management
• Card Payments Domain Expertise
• Fluent French (C2)
• REST APIs and JSON Knowledge

ATS Optimization Keywords

Hard Skills

• Implementation Lead
• Functional Specifications
• Integration Testing
• Transaction Lifecycle Understanding
• Payment Schemes Knowledge
• Authorization Flows
• File-Based Flows
• Testing Tools (Postman)
• Configuration Setup
• Agile Methodology

Soft Skills

• Stakeholder Management
• Workshop Facilitation
• Mentoring Junior Consultants
• Collaborative Mindset
• Proactive Approach

Certifications & Qualifications

• Master’s Degree in Engineering or Computer Science

Industry Keywords

• Financial Sector
• Banking Sector
• Card Issuance
• Acquiring
• Disputes/Chargebacks

Tools & Technologies

• SFTP
• JSON
• XML
• REST APIs