Strategic Controller: ERP Migration & Global Tax

Co-Source Solutions; New York (NY); On-site; USD 180,000 - 260,000; Full time

Job summary

Co-Source Solutions, a NYC-based AI-native software development firm, seeks its first Controller to build the financial infrastructure from the ground up. You will migrate to a multi-entity ERP, establish ASC 606 revenue recognition, and bring accounting in-house to support rapid domestic and international growth.

You'll partner with founders and the CFO, oversee tax across states and Canada, implement Avalara, and drive internal controls and month-end close in a fast-paced startup environment.

Qualifications

• Active CPA with 8+ years accounting experience, starting in public accounting and including 3+ years as Controller or Assistant Controller.
• Experience implementing ERP systems end-to-end, ideally NetSuite, with multi-entity workflows.
• Deep knowledge of sales/use tax, international compliance, and tax automation tools.
• Ability to build internal controls and prepare GAAP financial statements and audits.

Responsibilities

• Architect end-to-end finance infrastructure and lead ERP migration from QuickBooks to NetSuite.
• Partner with product/engineering to design billing, tax, and compliance workflows.
• Manage multi-state nexus, Avalara implementation, and international tax compliance.
• Transition month-end close, AP/AR, 1099s, and internal reporting to in-house team.
• Own GAAP reporting, ASC 606 revenue recognition, and audit readiness for board and partners.

Skills

CPA certification

Public accounting background

Controller or Assistant Controller

ERP implementation

AP/AR management

Taxability & compliance

Education

CPA certification or equivalent

Tools

NetSuite ERP

Avalara tax automation

Job description

Co-Source Solutions, a NYC-based AI-native software development firm, seeks its first Controller to build the financial infrastructure from the ground up. You will migrate to a multi-entity ERP, establish ASC 606 revenue recognition, and bring accounting in-house to support rapid domestic and international growth.

You'll partner with founders and the CFO, oversee tax across states and Canada, implement Avalara, and drive internal controls and month-end close in a fast-paced startup environment.