Senior Software Engineer

Matt Black

Freedom Mortgage iOS / Android mobile app – React Native, TypeScript monorepo built with Turbo and Yarn Berry supporting nearly 1 million borrowers across payments, loan servicing, messaging, profile management, and digital engagement experiences. Modernized the mobile platform through a large-scale migration from a legacy application to a redesigned React Native architecture, helping establish mobile as the company's primary digital engagement channel. Built with Material Design 3, React Navigation, React Query, OpenAPI-generated clients, internationalization, and enterprise-grade CI/CD pipelines.

Migrated 938K+ users to the new app; 937K MAU surpassed authenticated web traffic.

Platform Migration & Adoption

Borrower servicing features and payment flows supporting 600K+ one-time payments.

Borrower Servicing Features

Native modules for privacy/session lifecycle plus FullStory analytics with PII masking.

Native Modules & Analytics

CI/CD with automated testing, Sonar, Nexus security checks, and multi-environment deploys.

CI/CD & Collaboration

React Native mortgage app for ~1M borrowers — TypeScript monorepo, Material Design 3, and enterprise CI/CD.

Sr. React Native Developer - Freedom Mortgage

Full-stack mobile application (iOS/Android) combining Bible study with AI-powered business principles, daily devotionals, and financial market insights. Integrated platform for spiritual growth and professional development.

Expo React Native app — NativeWind, Zustand, Apollo, Firebase Auth, RevenueCat, audio, and tests.

Frontend (Mobile App) - React Native, Expo, TypeScript

Node.js GraphQL API on Fastify — PostgreSQL/Prisma, Firebase Admin, Sentry, Vercel.

Backend (GraphQL API) - Node.js, TypeScript, GraphQL Yoga, Fastify

TypeScript import pipelines for Bible content, principles, articles, and related data.

Data Import & Management

GitHub Actions + EAS Build, SOPS/AWS KMS secrets, monitoring, and monorepo tooling.

Infrastructure & DevOps

React Native + GraphQL app combining Bible study, AI business insights, and market news.

Sr. Full Stack Mobile Developer - Business Bible

Comprehensive case management and advocacy platform connecting advocates, coordinators, and mothers to resources and support systems for child welfare. Facilitates structured advocacy programs, tracks progress through curricula, and provides comprehensive reporting and communication tools.

Next.js 14 App Router UI — shadcn/ui, React Query, dynamic forms, multi-role workflows.

Frontend - Next.js 14, React 18, TypeScript

NestJS REST API — Prisma/ZenStack, JWT auth, AWS S3/SES/SNS, Moodle LMS.

Backend - NestJS 10, PostgreSQL, Prisma ORM, ZenStack

Railway hosting/CI/CD, Docker, Turbo monorepo, and multi-environment deploys.

Python ETL migration of 2,200+ moms, 4,600+ children, and 3,900+ service records.

Legacy System Migration & ETL

Case management platform for child-welfare advocacy — Next.js 14, NestJS, PostgreSQL, ZenStack.

Sr. Full Stack Developer - ĒMA (Trellis)

Developed cross-platform mobile and web applications for FIS Digital One Banking using TypeScript, Ionic, and Capacitor. Focused on building responsive core UI components and critical transaction interfaces that work seamlessly across iOS, Android, and web platforms. Created dynamic list views that adapt to different device types and screen sizes, ensuring a consistent user experience across all platforms.

Responsive core UI components and dynamic lists for Digital One Banking.

Digital One Banking App

Cross-platform Digital One Banking UI — TypeScript, Ionic, Capacitor.

Sr. Mobile Developer - FIS

Contributed to the design and architecture of the pickleball.com mobile application, focusing on creating an intuitive user experience for pickleball enthusiasts. Developed the React Native mobile app using TypeScript and JavaScript, implementing deep link handling through React Native and React Navigation to enable seamless navigation and content sharing. Built a robust mobile API layer using AWS AppSync, GraphQL, and Lambda functions to connect the mobile app with existing backend services. Integrated Detox for comprehensive end-to-end automated testing, ensuring high quality and reliability throughout the CI/CD pipeline.

UI/UX architecture, deep links, and Detox end-to-end testing.

React Native Mobile App - TypeScript, JavaScript, react-query

Mobile API layer via GraphQL, AppSync, and Lambdas.

AWS AppSync API - TypeScript, GraphQL

React Native pickleball app — UI/UX, AppSync GraphQL, and Detox E2E.

Sr. Mobile Developer - Pickleball.com

Led agile team to grow the Black Diamond Wealth Portfolio mobile app for iOS and Android. Released and managed hundreds of custom apps through dynamic customization layers and feature flags.

Team lead for custom white-label apps — biometrics, MFA, charts, messaging, and more.

React Native Mobile App - TypeScript, JavaScript, Objective-C, Swift, Java, Kotlin, C++

Web app for managing store apps via AWS, AppCenter, Apple, Google, and BitRise.

Mobile App Management Web Application - TypeScript, React, Redux, Node, Express, GraphQL, GRPC

.NET mobile API/web server; helped move from monolith to microservices.

API Server - C#, .NET, SQL, AWS, Azure

CI/CD and store submission for 1,000s of apps/year, including 233+ BitRise white-labels.

DevOps - Ruby, Groovy, Shell, YAML, Jenkins, BitRise, AWS, Google Cloud Platform (GCP)

Led Black Diamond Wealth Portfolio mobile — hundreds of custom apps, 100,000+ users.

Senior Software Engineer - SS&C Advent

React Native mobile, web, and desktop GIS applications for service technicians, dispatchers, and executives.

Real-time GIS suite for ABC Plumbing — iPad, Electron, admin web, and executive dashboard.

React Native Mobile, Web, & Desktop GIS Applications - TypeScript, Expo, Electron, GCP, Firebase

Client apps for events, pool maintenance, and print matrix — Expo, React Native, GraphQL.

Expo Apps with APIs - Expo, React Native, TypeScript, JavaScript, GraphQL, Ruby on Rails

React Native, web, and desktop GIS apps for technicians and dispatchers.

Software Consultant - Hashrocket

Process automation tools and document validation solutions for Medtronic's Neuroscience Research and Therapy Division.

Real-time web tools for document validation and verification.

Internal Web Application - TypeScript, JavaScript, React, GraphQL, Node, MeteorJS, MongoDB

"DocChecker" Word add-in for researcher document validation — ~$250k/year savings.

Microsoft Word Add-In Application - TypeScript, JavaScript, React, HTML, CSS

Process automation and DocChecker Word add-in saving ~$250k/year.

Software Developer - Medtronic

Oracle billing system upgrade and consultation services.

El Paso Electric billing upgrade: 30,000+ lines of Cobol converted to Java.

Oracle Billing System Upgrade - Cobol, Java, PL/SQL

Right-sized Santee Cooper solutions from code and production-log analysis.

Consultation with Santee Cooper Electric - Cobol, Java

Automated Java docs via Word generation from configurable templates.

Internal Tool Application - JavaScript, HTML, CSS, React, Java

Oracle billing upgrade — 30,000+ lines Cobol→Java — plus consultation and internal tools.