Senior Technical Business Integration Manager; Finance - Melville, NY

Senior Technical Business Integration Manager (Finance) - Melville, NY Who We Are

Accommodations Plus International (API) is a technology and services company focused on driving innovation across the travel and transportation industry. We partner with organizations in the airline, cruise, and rail sectors to deliver solutions that improve layover operations, enhance customer experience, and support long-term growth.

Our mission is to make layovers simpler and more efficient for crew members—and we bring that to life through deep industry expertise and a practical, results‑driven approach.

Today, API’s platform powers over 18 million crew room nights each year for 100+ airlines and travel operators worldwide. Our Global Reach ensures that airline crews are rested, transported, and connected so global aviation runs on time.

At API, we’re building a culture rooted in succeeding and thriving together. It’s a place where people are encouraged to take ownership, develop their skills, and contribute to work that matters.

If you’re looking to grow your career in a company that values steady progress, real impact, and long‑term development, we’d like to meet you!

This role is responsible for gathering and documenting accounting business rules to support implementation of the API eInvoice product within client environments. It includes supporting the Implementation project team with fact‑finding, client data (GL, cost and BU codes), process flows, and detailed requirements tied to ERP systems such as Oracle, SAP, Microsoft Dynamics, Sage, and Net Suite. These requirements inform product configuration and, at times, new feature development.

The role is key to delivering financial operations, billing, and eInvoicing solutions across enterprise environments, bridging clients, finance, technology, and delivery teams to ensure successful implementation.

The ideal candidate has experience in accounting or AP/AR, ERP systems, and client‑facing implementations across the project lifecycle.

• Delivers project milestones and client deliverables on time through effective planning, prioritization, and risk management across complex implementations.
• Conducts strong discovery to deliver accurate, complete requirements
• Demonstrates strong, clear communication across clients and internal teams to ensure alignment

• Lead requirements gathering sessions with clients and internal stakeholders to capture business, accounting, billing, and invoicing needs.
• Define, analyze, and document business and functional requirements related to accounting systems and eInvoicing platforms.
• Ensure requirements accurately reflect contractual terms, billing rules, and financial controls.
• Maintain clear requirements traceability throughout design, build, test, and deployment phases.
• Apply practical knowledge of accounts payable/receivable processes, invoicing cycles, and accounting methodologies.
• Validate that system configurations align with contractual billing rules and financial governance requirements.
• Conduct audits and detailed reviews of invoices to ensure accuracy, compliance, and adherence to contractual agreements.
• Analyze reservations, supporting documentation, and invoice calculations using tools such as Excel.
• Support implementation and integration of ERP and accounting systems in enterprise environments, including Oracle, SAP, Microsoft Dynamics, Sage, Net Suite.
• Collaborate with technical teams to ensure accurate data flow between ERP, eInvoicing, and billing platforms.
• Participate in API‑based eInvoicing product demonstrations for clients where required.
• Apply understanding of the Software Development Lifecycle (SDLC) and exposure to Agile/Scrum methodologies.
• Attend and contribute to project meetings and delivery checkpoints.
• Execute assigned tasks in line with project schedules and proactively report risks, issues, or delays.
• Operate comfortably in a client‑facing role, engaging with airline, rail, hospitality, or large corporate partners.
• Manage vendor interactions related to invoicing, reconciliation, and payments.
• Maintain strong, professional relationships while balancing…