Chaviara Bianca Leoni

Delivered end-to-end Full Stack solutions for external clients. Designed and integrated dynamic front-end components with complex relational databases, ensuring high data integrity and optimized transfer speeds. Developed and integrated robust REST APIs and middleware components, prioritizing application security, authentication protocols, and efficient data flow between services.

Python-Focused Developer at Vodafone - Panafone

Python application development translating complex business requirements into efficient technical workflows. Data engineering & analysis (Pandas, JSON & OOP): develop automated ETL scripts for data manipulation, cleaning, and statistical analysis. Process automation: automate reporting and scheduled jobs; Data integration: Python connectors to Oracle SQL; Dashboards: data dashboards with Power BI and Looker; Relational database design & optimization in Oracle SQL.

Software Engineer (SQL) at Ambience Services

Design and write SQL queries for data retrieval, updates, and deletions. Support data migration projects, ensuring data integrity, validation, and consistency across systems. Assist in SQL performance tuning (indexes, execution plans, query refactoring). Use Python scripts for basic data processing, validation checks, and automation of repetitive SQL tasks.

Power BI Analyst at Ambience Services

Design dashboards in Microsoft Power BI and build business intelligence reports according to business needs. Identify opportunities for improvements in Power BI reports. Troubleshooting and resolving issues in Power BI reports.

Project Manager at Memorandum

Creating, sending, and following up on reports. Negotiating with external vendors to secure advantageous terms. Ensure that all projects are delivered on-time, within scope and within budget. Developing project scopes and objectives, involving all relevant stakeholders and ensuring technical feasibility.

Logistics Associate (6 months contract) at Fitnet

Planning and managing transportation and customer services. Negotiating with suppliers, manufacturers, retailers and consumers. Resolve any arising problems or complaints.

Tennis Supervisor at Anoixis Tennis Club

Deliver an excellent customer service experience to members and program participants. Assist in the interviewing, hiring, supervising & training of tennis attendants. Managed and mentored a team of tennis instructors to ensure high-quality coaching standards. Oversaw court usage, safety protocols, and facility maintenance to provide a safe and enjoyable environment.

Tennis Instructor at Anoixis Tennis Club

Designed and conducted individual and group tennis lessons for players of various ages and skill levels. Prepared players for local tennis tournaments and competitive events. Organized and supervised practice sessions, drills, and match play.