Partner Technical Solution Engineer - Connectivité, IA & API (H/F)

The role

You will act as the technical expert for integration partners, supporting them from pre-sales to production launch. You will design integration architectures, troubleshoot technical issues, and represent partner needs to Product and Tech teams.

What you will do

• Act as a technical expert in pre-sales opportunities
• Co-lead demos and technical workshops with partners and Sales Account Executives
• Design integration architectures using API, connectors, SFTP or EBICS
• Respond to security and architecture questionnaires
• Troubleshoot API errors, e-invoicing rejections and connector configuration issues
• Coordinate with Support, Product and Engineering teams for incident resolution
• Train partners' technical and functional teams on API, AI modules and e-invoicing
• Manage beta programs and soft launches with champion partners
• Create and maintain integration guides, FAQs, use cases and recordings
• Communicate structured and prioritized requirements to Product teams

Required qualifications

• 5+ years of experience in technical pre-sales, integration consulting or Solutions Engineering
• Strong command of REST APIs: OAuth2, token-based authentication, webhooks, Postman, and JSON/XML payloads
• Solid understanding of accounting and finance: journal entries, account matching, VAT, cost accounting and bank reconciliation
• Excellent written and verbal communication skills
• Ability to explain complex technical concepts to non-technical stakeholders
• Autonomy, agility and strong prioritization skills
• Fluent French
• Professional working proficiency in English

Nice to have

• Scripting skills
• Knowledge of e-invoicing (Factur-X, UBL, CII, PA/PDP, PPF/directory, e-reporting)
• Familiarity with the Sage, Cegid, EBP or mid-market ERP ecosystem
• Experience in a channel or indirect (pre) sales model with integrators or resellers
• Experience launching a product with a group of beta customers or partners
• Use of AI tools (Claude, Dust, MCP)
• Knowledge of Datadog, Github, Postman, Zapier, Maker, or Lovable

Benefits

• Mutuelle (Alan Blue and Alan Mind)
• Tickets restaurants (Carte Swile)
• 6 to 12 additional RTT days
• Monthly budget for remote work or coworking
• Access to offices near Saint Lazare in Paris
• BSPCE envelope
• Access to 8000 gyms in France and 300 wellness activities via Gymlib
• Mac computer
• Tech Days every 3 months for remote employees
• Annual company seminar

About the company

Pennylane is a fast-growing FinTech in France aiming to become the preferred financial management software for European SMEs. The company provides accounting and financial management solutions for entrepreneurs and accounting firms.