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David gunalan

@davidgunalan

QuickBooks Online support and ERP implementation specialist who delivered an Elate ERP rollout for a UAE trading company.

India
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At Peniel Technology LLC, I implemented and supported QuickBooks Online and Desktop for UK and US customers, along with Tally Prime/ERP9. My work covered company setup, chart of accounts, invoicing, and customer training.

I delivered an Elate ERP implementation for a UAE trading company, covering Accounting, Inventory, Payroll, and Administration from requirements gathering through go-live support.

I supported customers through more than 40 daily inbound and outbound calls, as well as remote and video sessions. I maintained a 60% customer retention rate and trained customers on bank feeds, reconciliation, and reporting.

Across my roles, I’ve also deployed Odoo, Zoho CRM, and Frappe ERP, migrated data from legacy systems, and supported POS, billing, and IT infrastructure. At Oasys Cybernetics, I led IT operations for a regional office covering 11 showrooms and 5 departments.

Experience

Work history, roles, and key accomplishments

PL

CRM/ERP Implementation & Support Specialist

Peniel Technology LLC

Jun 2024 - Jul 2026 (2 years 1 month)

Implemented, sold, and supported Intuit QuickBooks Online and Desktop (UK and US editions) and Tally Prime/ERP9/Cloud for business clients, covering company setup, chart of accounts, ledger and voucher configuration, and invoicing. Provided end-to-end implementation and support, including training, data migration, and post-go-live troubleshooting.

ST

IT Sales & Business Development

Scalino Technologies

Feb 2023 - Nov 2023 (9 months)

Sold SaaS-based solutions spanning web design, website maintenance, and mobile application services. Partnered with marketing and development teams on presales activities, preparing cost estimates for qualified opportunities.

Bharti Airtel logoBA

B2B Corporate & Emerging Business Sales (Accounts Manager)

Bharti Airtel

May 2021 - Jul 2022 (1 year 2 months)

Managed a portfolio of 50+ corporate accounts, conducting on-site visits to identify business requirements and maintain long-term relationships. Resolved billing and connectivity queries while maintaining accurate service records, ensuring client retention and satisfaction.

OL

Regional Office (RO) Engineer – IT Support & Implementation

Oasys Cybernetics Pvt. Ltd.

May 2019 - Jul 2020 (1 year 2 months)

Led IT operations for the regional office of a Government of Tamil Nadu textile project, covering 11 showrooms and 5 departments, including the product warehouse and distribution warehouse. Acted as team leader for 9 support members and owned POS machines and billing/ERP software across all showrooms.

Education

Degrees, certifications, and relevant coursework

CI

Cisco

CCNA International Certification, Networking

CCNA International Certification from Cisco, completed in 2013.

EI

Everonn Institute

CCNA (Cisco Certified Networking Associate), Networking

CCNA (Cisco Certified Networking Associate) certification from Everonn Institute, completed in 2012.

EI

Everonn Institute

MCITP (Microsoft Certified IT Professional), Information Technology

MCITP (Microsoft Certified IT Professional) certification from Everonn Institute, completed in 2012.

YC

Yadava College

Bachelor of Computer Application, Computer Application

Bachelor of Computer Application (BCA) degree from Yadava College, Madurai, completed in 2011.

SI

SSI Aptech Institute

ASP.NET, Web Development

ASP.NET certification from SSI Aptech Institute, completed in 2011.

RS

Railway Mixed Hr. Sec. School

Higher Secondary, General Studies

Higher Secondary education from Railway Mixed Hr. Sec. School, Madurai, completed in 2008.

Tech stack

Software and tools used professionally

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