Hi, I'm

Marcello Balboa

Software Engineer at Capital One

Building scalable systems and elegant solutions. Specializing in AWS-native architectures, data processing pipelines, and platform engineering.

Career Journey

World Bank

2015

Genworth

2016

Genworth

2017

Cisco

2018

Bank of America

2019-2021

Capsule

2021-2022

Capital One

2022-Present

About

Building systems that scale

Results-driven software engineer with a passion for designing elegant, scalable systems that solve complex business challenges. Currently specializing in platform delivery and large-scale data processing at Capital One, where I architect AWS-native solutions that process millions of records while maintaining exceptional reliability and performance.

Learn more about me

Languages

Go, Python, Java, TypeScript/JavaScript ...

Cloud & Data

AWS Lambda, Step Functions, EventBridge, DynamoDB ...

Data Processing

PySpark, Pandas

Infrastructure & Tooling

Docker, Kubernetes, Git, CI/CD

Experience

Where I've worked

Capital One

Software Engineer

2022-Present

Led cross-org delivery of production-ready certificate of deposit (CD) statement generation on Prometheus Financial Core (PFC); executed 300+ end-to-end validation runs and drove defect triage across ingestion, enrichment, composition, and delivery to ensure launch readiness.

Capsule

Software Engineer

2021-2022

Engineered and maintained a doctor/provider-facing web application, delivering a digitized front-office experience for medical practices. Contributed to scalability and resiliency initiatives including load testing and automated intake reprocessing to improve throughput and reliability.

Bank of America

Software Engineer

2019-2021

Software Engineer in the Global Banks and Markets line of business responsible for full-stack development of our internal trading application Booking Tool which served as the primary means for creating and maintaining OTC and listed positions. Orchestrated efficient large-scale software deployments, including testing features and correcting code. Other responsibilities include production support with our traders, marketers, and middle office personnel.

Cisco Systems

Security Solutions Engineer

May 2018-August 2018

Developed internal web and mobile applications to help with the automation of switch configurations. Focused on implementing products from Cisco's security portfolio such as ISE and TrustSec at an enterprise level. Monitored and collected all technical information and designed appropriate workflow for customers to meet their expectations.

Let's build something together

I'm always interested in hearing about new projects and opportunities. Whether you have a question or just want to say hi, feel free to reach out.