Architecting NexusPay: Scaling Real-Time Telemetry and Transaction Engines to 50k TPS
Deep dive into event-driven stream processing, sub-50ms cryptographic tokenization, and multi-region disaster recovery for enterprise payment rails.
Software Engineer, Technology Leader & Founder of Exquisite Software
30+ years of hands-on software engineering—building high-scale cloud platforms, leading multi-disciplinary product teams, driving real-time telemetry, and empowering communities through STEM initiatives.
From early Visual Basic 6 coding during the AOL era to founding Exquisite Software in 2007, establishing the Exquisite Foundation, and driving customer- & community-centric engineering.
Discovered software development at age 8 in the early AOL era. Built desktop applications and tools in Visual Basic 6 (VB6), establishing a lifelong foundation in systems logic and software architecture.
Graduated High School early and entered the University of Advancing Technology (UAT) at age 17, advancing into computer science, software engineering design, and enterprise application building.
Founded Exquisite Software in 2007, leading cross-functional teams across custom software architecture, cloud solutions, and technical marketing strategy—delivering high-impact systems for clients ranging from startups to enterprise organizations.
Founded the Exquisite Foundation, dedicated to community aid, STEM empowerment initiatives, and customer-centric engineering. Building technology focused on long-term user trust, accessibility, and community empowerment.
Full-Stack TypeScript, React, Nuxt 3, Node.js APIs, Python, and high-scale distributed systems. Specializing in legacy modernization (VB6 -> Cloud).
End-to-end telemetry and metric pipelines. Deep integration with GA4 APIs, Google Search Console, Datadog APM, and real-time executive dashboards.
Production LLM workflows via OpenRouter API, structured JSON Schema prompt engineering, RAG pipelines, and autonomous agent orchestration.
30+ years of Agile/Scrum delivery leadership, sprint velocity optimization, technical roadmapping, and cross-functional engineering mentorship.
Building resilient, fault-tolerant infrastructure designed to withstand high transaction spikes, eliminate double-spend risks, and maintain active-active global synchronization.
Designing multi-region data replication engines with deterministic conflict resolution to eliminate single points of failure across global datacenters.
Implementing mathematical zero-loss ledgers guaranteeing linearizable state updates for high-throughput payment rails and financial balance engines.
Strangling legacy Node.js/Python monoliths into event-driven Go/Rust microservices while operating under continuous 24/7 production traffic.
Partnering with CEOs, VPs of Engineering, and Board Directors to guide core architecture decisions, platform modernizations, and technical due diligence.
Stepping in during hypergrowth or turnaround phases to realign engineering teams, establish technical roadmaps, and rebuild core backend infrastructure.
Rigorous evaluation of mission-critical systems to identify single-points-of-failure, scalability bottlenecks, and data loss risks before they hit production.
Evaluating target codebases, infrastructure unit economics, technical debt risk, and IP integrity for private equity and venture capital firms.
A selection of real-world custom software engineering projects built and delivered across SaaS, PropTech, AI/automation, and threat intelligence.
Designed and built an enterprise property management ecosystem managing over $1.2B in real estate assets. Streamlined lease processing, tenant communications, and maintenance workflows to reduce vacancy turnaround times by 45%.
Peer-to-peer culinary marketplace app with real-time GPS order tracking, automated split payments, and driver dispatch logistics.
Browser-native geometry parser analyzing DXF files in milliseconds to compute material yield, machine cut times, and instant cost quotes.
Physical threat intelligence & case registry platform facilitating digital evidence linking and multi-agency coordination.
Automated AI content generation engine scaling client production velocity by 10x and accelerating growth to $36K MRR in 6 months.
Tactical playbooks on cloud architecture, distributed systems scalability, fintech telemetry, and interim executive leadership.
Deep dive into event-driven stream processing, sub-50ms cryptographic tokenization, and multi-region disaster recovery for enterprise payment rails.
A tactical blueprint for entering high-growth tech companies, stabilizing fragile deployments, and establishing engineering rigor without grinding velocity to a halt.
How modern engineering organizations eliminate open firewalls, fragile VPNs, and server fleet maintenance through Workers, Tunnels, and D1.
Whether you need an Interim CTO, fractional architecture advisory, legacy system review, or technical due diligence, Stephan responds within 24–48 business hours.
Select an available 30-minute date & time slot directly on Stephan's executive calendar.
Currently accepting Q3/Q4 Fractional CTO retainers and enterprise system architecture reviews. Active non-disclosure agreements (NDAs) executed prior to code reviews.