Mia Collymore Abbas

Software Engineer II | Full-Stack Developer | Interactive Data Visualization Specialist

About Me

Mia Collymore Abbas

Hello! I'm Mia, a Software Engineer II at Mastercard's Technology, Strategy, & Transformation team in New York City. With over 2 years of professional experience, I specialize in interactive data visualization and full-stack development, creating intuitive dashboards and data-driven interfaces.

I'm passionate about translating complex data into meaningful visual stories and have expertise in building scalable solutions following industry best practices. My background in both Computer Science and Psychological Brain Sciences gives me a unique perspective on creating human-centered technologies.

Originally from the San Francisco Bay Area, I enjoy problem-solving and thrive in collaborative work environments. In my leisure time, I engage with puzzles and read scholarly articles.

Technical Skills

Visualization Tools

React d3.js Next.js p5.js MapBox Splunk Domo Leaflet

Programming Languages

TypeScript JavaScript Java Python SQL

Frontend Development

React HTML5 CSS3/SASS

Backend Development

Node.js Spring Boot REST APIs GraphQL

Software Frameworks

Spring Boot SDLC Agile Methodologies Sonar Checkmarx

Other Skills

Git/GitHub CI/CD Unit Testing System Design

Featured Projects

Cyber & Intelligence Dashboard

Cyber & Intelligence Dashboard

Designed a dynamic dashboard with complex data interactions for the cyber team to replace their outdated tool. Received Mastercard's Wayfarer award for exceptional project work.

React d3.js REST APIs Spring Boot
US Revolutionary Buildings Map

US Revolutionary Buildings Interactive Map

Created an interactive and dynamic map of US Revolutionary buildings using modern JavaScript mapping libraries during my time as a GeoSpatial Engineer at Washington University.

JavaScript Leaflet MapBox Data Visualization
Technology Business Management UI

Technology Business Management UI

Owned and enhanced the Technology Business Management's UI dashboard at Mastercard, improving testing coverage from 87.3% to 96.2% and implementing security-focused code patterns.

React TypeScript Unit Testing Security Compliance
View All Projects

Professional Experience

Software Engineer II

Mastercard

February 2025 - Present

Leading team of three UI engineers to enhance dashboard functionality following fullstack industry best practices. Designing and implementing a comprehensive system to standardize engineering processes across teams, creating technical documentation templates and automated workflows that reduced onboarding time by 40% and improved cross-team collaboration.

Software Engineer I

Mastercard

August 2023 - February 2025

Owned the Technology Business Management's UI dashboard, improving testing coverage from 87.3% to 96.2%. Designed a modular component library to standardize visualization patterns across the application, improving development velocity and UI consistency. Implemented security-focused code patterns to address Checkmarx, BlackDuck, and SonarQube compliance requirements, achieving 0 critical vulnerabilities.

Cyber & Intelligence FullStack Engineer

Mastercard (Project)

October 2023 - January 2025

Received Mastercard's Wayfarer award for exceptional project work, becoming the first early-career employee to earn this distinction. Designed a dynamic dashboard with complex data interactions for the cyber team to replace their outdated tool.

GeoSpatial Engineer

Washington University in St. Louis

May 2023 - August 2023

Created an interactive and dynamic map of US Revolutionary buildings using new JavaScript mapping libraries.

Head TA of CSE 457 (Introduction to Visualization)

Washington University in St. Louis

August 2022 - January 2023

Created visualization assignments and studios using the d3.js library for data manipulation. Led a CS course focused on data visualization that utilizes d3.js.

Corporate Security Intern

Mastercard

May 2022 - August 2022

Streamlined communications process for CRQ Turnover between Business Operations and Physical Access Engineering.

Business Operations Intern

Mastercard

June 2021 - August 2021

Designed and developed Splunk monitoring and alerting, utilizing Splunk Programming Language, for operational dashboards and alerts. Enabled 99.99999% uptime for critical customer-facing spring boot java APIs running in Pivotal Cloud Foundry.

Education

Bachelor of Science in Computer Science

Washington University in St. Louis

2019 - December 2022

  • Double Major: Psychological Brain Sciences
  • Minor: Human-Computer Interaction

High School Diploma

The College Preparatory School

2015 - 2019

Certifications

Introduction to Career Skills in Software Development

React: State Management

Using Python for Automation

Python for Data Visualization

Advanced Python: Practical Database Examples