Building secure distributed systems, cloud-native platforms, fintech infrastructure, developer tooling, and scalable mobile applications.
Senior Software Engineer specializing in distributed systems, cloud-native infrastructure, secure platform architecture, and fintech systems.
Experience designing and operating Kubernetes platforms, authentication systems, CI/CD pipelines, developer tooling, and cross-platform mobile applications across fintech and blockchain environments.
Strong focus on security, operational resilience, observability, scalability, and long-term maintainability.
- FinTech platform modernization
- Zero Trust & secure architecture patterns
- Kubernetes & GitOps automation
- Identity verification / KYC systems
- Blockchain identity & wallet infrastructure
- Uno Platform & cross-platform mobile development
- Self-hosted infrastructure & homelab engineering
| Category | Technologies |
|---|---|
| Frontend | React, Next.js, TypeScript, TailwindCSS |
| Backend | .NET / ASP.NET Core, Go, Node.js, Python |
| Mobile | Uno Platform, Flutter, React Native |
| Architecture | Clean Architecture, DDD, CQRS, Event-Driven Systems |
| Cloud & DevOps | Azure, Kubernetes, Docker, ArgoCD, Helm, Helmfile, Azure DevOps, GitHub Actions |
| Data | SQL Server, PostgreSQL, MongoDB, Redis |
| Security & Identity | Keycloak, OAuth2/OIDC, Passkeys, WebAuthn, HMAC-secured integrations |
| Messaging & Eventing | Azure Service Bus, Kafka, RabbitMQ |
| Observability | Prometheus, Grafana, OpenTelemetry |
Architected secure Kubernetes-based infrastructure and CI/CD pipelines for financial services APIs, introducing GitOps workflows, security hardening, and modern cloud-native deployment patterns.
Key contributions:
- Designed AKS infrastructure architecture
- Implemented Azure DevOps + ArgoCD GitOps workflows
- Defined secure integration patterns using HMAC signatures
- Introduced modern authentication and authorization standards
- Led migration planning toward compliance-oriented infrastructure
Designed and built a secure authentication platform using passkeys and blockchain wallet provisioning, enabling secure asset access and decentralized identity workflows.
Key contributions:
- Built account and authentication APIs
- Implemented passkey-based authentication flows
- Automated blockchain wallet creation workflows
- Designed secure authorization patterns for user assets
- Delivered ahead of schedule while maintaining production stability
Led the migration of the Developer Console to a new security architecture using the Accounts API. Redesigned and maintained the platform frontend using React and Next.js, integrated on-chain payments, and developed dynamic configuration tooling for Login with DIMO integrations.
Key contributions:
- Reworked authentication architecture
- Built frontend platform tooling in Next.js
- Integrated blockchain payment workflows
- Improved developer onboarding experience
- Maintained platform reliability and extensibility
Built and maintained cross-platform mobile applications and backend integrations for workforce management and gig-economy operations focused on the U.S. Independent Hispanic Market.
Key contributions:
- Mobile application development
- Backend API integrations
- CI/CD and deployment workflows
- Production issue resolution and operational support
- App Store and Play Store release management
- Kubernetes clusters with Longhorn & MetalLB
- GitOps-driven deployments
- Internal DNS & ingress automation
- Self-hosted Forgejo
- Internal TLS using cert-manager & Let's Encrypt
- Hybrid Docker + Kubernetes environments
- Observability and monitoring stacks
- Cloudflare-integrated infrastructure
- Linux & Hyprland customization
- Homelab engineering
- Mechanical keyboards
- Computer hardware & infrastructure experimentation
- Personal site: https://asfiroth.net/
- LinkedIn: https://www.linkedin.com/in/edwardtostring/?locale=en-US