Robert Schupp
Denver
Summary
Senior software engineer with 12+ years of experience designing and operating high-availability, low-latency systems in regulated, high-throughput environments. Strong background in concurrent processing and event-driven backend systems.
Overview
12
12
years of professional experience
Work History
Principal Engineer, BizOps
Mastercard Worldwide Inc.
O’Fallon
11.2023 - Current
- Provided architectural guidance and risk assessment for new applications and major platform changes serving as technical gateway for 60+ development teams across the Decision Management Division.
- Delivered technical presentations to engineering leadership and cross-functional stakeholders on architecture decisions, risk mitigation strategies, and platform evolution.
- Served as technical advisor for AI-driven incident management initiatives.
- Led program-wide migration of SSH automation from Digital.ai XLR to Ansible Automation Platform for the world’s largest GemFire grid processing 150,000+ transactions per second, enabling zero-downtime transitions.
- Acted as primary platform escalation point and lead-on-call for high-severity incidents, ensuring 99.9%+ availability across distributed systems.
- Drove production readiness standards across scalability, failure handling, security, and operational resilience.
Lead Software Engineer, Transaction Processing
Mastercard Worldwide Inc.
O’Fallon
11.2020 - 11.2023
- Architected and delivered a real-time transaction processing channel generating $14M in first-year revenue, built on a low-latency Java processor integrated with MQ and a Spring Boot/Kafka ingestion service publishing shared state into GemFire.
- Designed a reusable ultra-low-latency duplicate-detection component supporting composite keys in concurrent, grid-backed execution paths.
- Acted as technical lead for a cross-functional delivery team, providing day-to-day guidance, code reviews, and architectural direction.
- Partnered with product owners and stakeholders to translate business requirements into scalable, maintainable technical solutions.
- Restructured core Java transaction-processing codebases, reducing build times by 98%, increasing build reliability, and improving developer ownership and confidence.
- Established engineering standards and best practices around unit and integration testing, code quality, and deployment workflows.
Senior Software Engineer, Client Integrations
TSP Consulting
Mount Laurel
01.2018 - 11.2020
- Built and delivered a cloud-native mortgage integration platform (React, Node.js, PostgreSQL, AWS) for multiple financial institutions, replacing legacy MuleSoft-based integrations.
- Led technical engagements with direct client (Blend) and their banking customers, coordinating integration strategies and requirement gathering across legacy loan origination systems.
- Developed React frontend for integration manager, supporting real-time client migrations and multi-party technical coordination.
- Managed client relationships and API integrations for financial institutions, serving as primary technical point of contact for implementation and troubleshooting.
- Designed and implemented MuleSoft integrations and migration pathways for production banking systems.
Co-Founder
Strux Inc.
St. Louis
05.2016 - 01.2018
- Consulted directly with client executives (including President of 60M-revenue construction company) to architect custom training solutions, define requirements, and translate business needs into technical designs.
- Built and delivered native mobile applications (iOS/Swift, Android/Java) and full-stack web platform (Angular, Node.js, PostgreSQL) deployed in AWS.
- Owned end-to-end product design, full-stack development (frontend and backend), and client delivery for multiple client engagements.
- Led all frontend development including native mobile applications and modern web frameworks, delivering solutions across iOS, Android, and web platforms.
- Managed pre-sales activities, requirement gathering, technical proposals, and client relationship management from initial consultation through delivery.
Senior Software Engineer, Transaction Processing
Mastercard Worldwide Inc.
O’Fallon
06.2014 - 05.2016
- Co-developed a patented fraud-detection notification system (US10657537B2), integrated into Mastercard's core security and transaction-processing architecture.
- Contributed to backend development and system integration for real-time transaction processing systems handling global payment volumes.
Education
Master of Arts - Econometrics
University of Missouri
St. LouisBachelor of Science - Economics
University of Missouri
Columbia, St. LouisSkills
- Platform Architecture
- Backend Systems
- Distributed Processing
- Reliability Engineering
- Cloud & Automation
- Production Readiness
- Engineering Leadership
- AI/ML Integration
- Client Engagement
- React
- Angular
- React Native
- Nextjs
- Typsescript
- Swift
- Java (Android)
- Java
- Spring Boot
- Nodejs
- Express
- Python
- FastApi
- LangChain
- LangGraph
- OpenAI API
- Pgvector
- Multi-Agent Systems
- Postgresql
- Oracle
- SQL
- Kafka
- MQ
- WebSockets
- AWS
- Docker
- Jenkins
- CI/CD Automation
- Microservices
- Event-Driven Systems
- REST APIs
- Real-Time Processing
- System Integration
Websites
Projects
BloodChess, 3D Chess Combat Game (Unity), Built a Unity-based 3D chess game with animated combat, AI-driven opponents, and custom gameplay systems in C#. Instrument Results, Full-stack system for tracking instrument runs and processing measurement results., Java / Spring Boot service with PostgreSQL, REST APIs, OpenAPI (Swagger), async processing, Angular UI for run creation, measurement submission, and status visibility, Defined run states with event-backed transitions, Dockerized local stack; Testcontainers-based integration tests, One-command Docker setup for quickly running the full system end-to-end, https://github.com/a2345sooted/instrument-results-local-demo, https://github.com/a2345sooted/instrument-results-service, https://github.com/a2345sooted/instrument-results-ui
Personal Information
Title: Solutions Architect & Technical Consultant
Technical Stack
React, Angular, React Native, Nextjs, Typsescript, Swift, Java (Android), Java, Spring Boot, Node.js, Express, Python, FastApi, LangChain, LangGraph, OpenAI API, pgvector, Multi-Agent Systems, Postgresql, Oracle, SQL, Kafka, MQ, WebSockets, AWS, Docker, Jenkins, CI/CD Automation, Microservices, Event-Driven Systems, REST APIs, Real-Time Processing, System Integration
Timeline
Principal Engineer, BizOps
Mastercard Worldwide Inc.
11.2023 - Current
Lead Software Engineer, Transaction Processing
Mastercard Worldwide Inc.
11.2020 - 11.2023
Senior Software Engineer, Client Integrations
TSP Consulting
01.2018 - 11.2020
Co-Founder
Strux Inc.
05.2016 - 01.2018
Senior Software Engineer, Transaction Processing
Mastercard Worldwide Inc.
06.2014 - 05.2016
Master of Arts - Econometrics
University of Missouri
Bachelor of Science - Economics
University of Missouri