As developper Senior Full Stack, I was responsible for the development of the front-end and back-end of the application on billing and time entry modules.
Mission Summary
1. Migration of the Time Entry Application
Objective: Migrate the interim workers' time entry system from Coldfusion to TypeScript using React.
Achievements: Complete redesign of the user interface for an enhanced user experience, integration of new features in TypeScript, improved performance, and maintainability of the code.
2. Migration of the Payroll Calculation Algorithm
Objective: Migrate the payroll calculation algorithm for interim workers from Coldfusion to TypeScript.
Achievements: Rewrote the algorithm in TypeScript for both front-end and back-end use, optimized calculations for increased performance, and conducted thorough verification of result accuracy.
3. Hourly Data Import from an External System
Objective: Enable the import of interim workers' hours from an external system into the Directskills application.
Achievements: Developed robust and secure import batches, automated the import process to reduce manual errors, and ensured data integrity through transactional insertion.
4. Interim Workers' Billing System
Objective: Implement a billing system with grouping filters for hours worked (by analytical visibility, agency, period, etc.).
Achievements: Developed periodic or on-demand billing batches with various targeting criteria processing multiple SQL tables, optimized queries and processing, and utilized caching.
Training and Mentoring
Continuous Team Training:
Responsibilities: Training new team members as they are recruited.
Achievements: Initially worked alone on time entry and payroll calculation tasks, then trained and supported a new team member both technically and functionally. Subsequently, I also mentored two other new team members.
Leadership: Conducted daily meetings, shared technical and functional knowledge, resolved blockers, and guided developers in task estimation.