Roméo Gatsono

Senior SQL Server / T-SQL developer and database specialist with 25+ years of experience designing, building and maintaining business applications. Sole architect and developer of an HR and payroll platform, with expertise in complex database-driven business systems.

Advanced skills in relational data modeling, stored procedures, functions, triggers, complex queries and query optimization, complemented by extensive JavaScript/VB6 development and Java/Spring Boot REST API experience.

Delivered solutions across banking, payroll, HR and public-sector environments, including end-to-end system design, configurable approval workflows, client deployments and user training.

Canadian permanent residence approved – No employer sponsorship required.

Available for in-person interviews in Toronto from December 1, 2026.

SQL/VB6 Developer at SEBIA (2026-09 – Present)

Contributing to the migration of a legacy medical application toward a new C# application.

• Working with PostgreSQL and VB6 in the legacy application environment, with some C# code for WebSocket communication with the new C# web application.

PL/SQL Developer at NIBELIS (2026-03 – 2026-08)

Maintained the company’s main payroll SaaS application, resolving production tickets, defects and implementing functional enhancements.

• Worked with Oracle PL/SQL, SQL Developer, HTML and JavaScript.

Developer at MICROPOLE (2024-10 – 2026-02)

Maintained three internal HR and client-billing applications (SICOM, SIGALE and SAF), handling production support, bug fixes and enhancements.

• Worked with VB6, PHP and Oracle; participated in an environment preparing new Java/Angular projects.

Developer at INFO DECISION / CEGAPE (2022-12 – 2024-10)

• Maintained INDELINE, an unemployment-benefits application serving 500+ clients, using Java (JSP/Hibernate/Struts2) and MariaDB.
• Maintained GALPE, an unemployment-benefits application serving 300+ clients, using VB6 and SQL Server; delivered regulatory changes, bug fixes, functional enhancements and customer support.

Manager RAN Planning & Optimization at MTN CONGO (2006-11 – 2022-12)

Responsible for GSM radio network planning, including radio design, site rollout, technology deployments and radio feature optimization, as well as network service quality. During this period, manager of cabinet Hi-Soft Technologies Brazzaville, with following main projects done:

• ISIS: web application for human resources management and payroll, for University Marien Ngouabi and Inspection Generale des Finances, under JavaScript/VBScript and SQL Server (2021). See Selected Technical achievements.
• Bridge Inspection v2: update of application of inventory and technical control of bridges for AGEROUTE (Côte d’Ivoire), 2018, under JavaScript/VBScript and SQL Server.
• Badge Management: database application for editing and printing of badges, for ANAC (Congo), under C#/SQL Server (2017).
• Pay Record Book Management: database application for archiving and monitoring payroll information for military staff, for Ministry of Defense (Congo), 2013/2014, under VB6/SQL Server.

Team Leader Commitments at CERGI BANKING SERVICES (2002-03 – 2004-09)

Lead development of credit, guarantees and mortgage modules for the IBIS banking software deployed across several West African banking institutions

• Redesigned and delivered credit-management functionality using VB6 and SQL Server, including on-site deployment, user training and production launch.
• Designed mortgage-guarantee functionality from customer specifications using VB6 and SQL Server, followed by deployment, training and production launch.

Software Development Manager at HI-SOFT TECHNOLOGIES (1998 – 2002)

Managed custom software development and delivered more than a dozen database applications for client-specific business needs.

• Bridge Inspection v1: database application for inventory and technical inspection of bridges, for AGEROUTE (Côte d’Ivoire), under VB6/SQL Server (2005).
• Central Purchasing Agency: database application for stock management: sales, inventory, tracking, customers and suppliers, Côte d’Ivoire, under VB6/SQL Server (2004).
• Media Planning: database application for management of media planning for advertising, for NELSON MC CANN Côte d’Ivoire, under VB6/SQL Server (2004).
• UCC Third-party detention: database application for procurement and export of cafe and cocoa, for the trading company UCC Commodities, under VB6/SQL Server (2001).

Software Development Manager at HI-SOFT TECHNOLOGIES (2004-11 – 2006-11)

Managed custom software development and delivered more than a dozen database applications for client-specific business needs.

• Bridge Inspection v1: database application for inventory and technical inspection of bridges, for AGEROUTE (Côte d’Ivoire), under VB6/SQL Server (2005).
• Central Purchasing Agency: database application for stock management: sales, inventory, tracking, customers and suppliers, Côte d’Ivoire, under VB6/SQL Server (2004).
• Media Planning: database application for management of media planning for advertising, for NELSON MC CANN Côte d’Ivoire, under VB6/SQL Server (2004).
• UCC Third-party detention: database application for procurement and export of cafe and cocoa, for the trading company UCC Commodities, under VB6/SQL Server (2001).

Bachelor’s degree in web development – CNAM, France

Two-year post-secondary diploma in Software Development and Testing – CNAM, France