David Bello
Results-driven IT professional with 3+ years' experience in backend development and data analysis. Skilled in building RESTful APIs and implementing data solutions using .Net, React, Python, and SQL. Proven ability to develop scalable, secure, and maintainable code to support business growth.
Work Experience
PRIMO
Feb 2022 - March 2023
Backend Developer
- Developed and maintained a RESTful API using .Net, and SQL Server to integrate data from 3 outsourced trucking services and logistic partners into the internal platform for improving data-driven decision-making.
- Developed a RESTful API in .Net and a React-based frontend for real-time tracking of partner logistics and truck availability, reducing Sales team’s query time by 20%, and increasing response rate for client inquiries.
- Collaborated closely with React developers team to integrate APIs, improving data consistency about shipments, and delivery status information across internal dashboards.
MiraNetwork
Aug 2020 - Jan 2022
Data Analyst
- Designed and developed 3 ETL pipelines using Python and Pandas to ingest web development projects' information into SQL Server, saving 12 hours per week.
- Optimised SQL Server queries by including clustered indexes and enhancing subqueries and joins, reducing query time by 30%.
- Developed 2 dashboards for using Power BI and SQL Server to track project progress and recommend process improvements, resulting in a 10% increase in developer productivity.
Proteccion
Jan 2020 - Jul 2020
Jr. Data Analyst
- Developed and maintained Power BI Dashboards that tracked the KPIs for the voluntary contribution superannuation fund for over 10 000 clients.
- Automated accounts payable and receivable reporting using SQL Server and Power BI, decreasing manual Excel data entry by 20% and improving data accuracy for finance operations.
- Investigated and documented best practices for data management for the data governance framework for the company.
Skills
.Net
C#
React
Next.js
SQL
SQL Server
PostgreSQL
Python
