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Andria Scarcello

@andriascarcello

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Senior Python Backend Engineer with expertise in scalable systems.

United States

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What I'm looking for

I am looking for a role that challenges my technical skills and fosters innovation, with opportunities for mentorship and collaboration in a dynamic team environment.

As a Senior Python Backend Engineer, I have a proven track record of delivering high-performance solutions that drive business success. At Walmart Global Tech, I led the overhaul of the reward engine, resulting in a 25% increase in customer retention. My experience includes optimizing transaction processing to achieve 99.9% uptime and designing scalable API architectures that support real-time tracking for over 500 clients.

My technical expertise spans a wide range of technologies, including Django, FastAPI, and PostgreSQL. I have successfully implemented advanced caching strategies and event-driven systems, significantly improving API response times and system reliability. I am passionate about mentoring junior developers and fostering a collaborative team environment, which has led to a 20% increase in team productivity.

Experience

Work history, roles, and key accomplishments

Senior Python Backend Engineer

Walmart Global Tech

Jan 2023 - Present (2 years 5 months)

Rebuilt the reward engine using Django, increasing customer retention by 25%, and streamlined transaction processing with Python and Celery, achieving 99.9% uptime. Optimized PostgreSQL performance and designed a scalable API architecture using Django REST Framework, enabling real-time reward tracking for 500+ clients. Led the development of an intelligent fraud detection system and established a

Python Django Celery PostgreSQL Django REST Framework Redis RabbitMQ Docker Gitlab CI Machine Learning

Python Backend Engineer

Aware

Jan 2019 - Present (6 years 5 months)

Developed high-performance RESTful APIs using FastAPI and Django, supporting over 10,000 requests per second with sub-100ms latency. Built a scalable geospatial data solution using GeoDjango and designed cloud-native data pipelines with Python and Apache Airflow. Integrated machine learning models into backend systems, improving recommendation accuracy by 25%.

Python fastAPI Django Apache Airflow Kubernetes Machine Learning RESTful APIs Cloud Services Data Pipelines

Junior Software Engineer

Hamiltek Solutions

Aug 2017 - Present (7 years 10 months)

Developed RESTful APIs using Django, reducing integration time by 30% for client projects, and built microservices with Flask, enabling rapid feature deployment. Designed efficient database schemas, reducing query times by 35%, and developed automated test cases, reducing post-deployment issues by 40%. Contributed to real-time data processing systems using Rust, achieving sub-50ms latency for conc

Django Flask RESTful APIs Microservices Database Optimization Automated Testing Rust Software Development SQL

Education

Degrees, certifications, and relevant coursework

Dension University

Bachelor of Science, Computer Science

Studied Computer Science, gaining foundational knowledge in programming, algorithms, and data structures. Completed coursework relevant to backend engineering principles and software development.