Daniel L. Brasher
Durham,NC
Summary
Engineer and systems architect with 10+ years of experience designing and operating scalable backend systems, distributed services, and cloud infrastructure. Extensive experience building production systems in Go, troubleshooting complex runtime issues, and improving performance and reliability under load. Focused on building simple, maintainable systems that scale cleanly and are easy to operate.
Overview
2027
2027
years of professional experience
Work History
Software Engineering AI Trainer
DataAnnotation.tech
Global
08.2025 - Current
- Trained AI models to address specific business objectives and automation challenges in technical programming and OpSec environments via prompt engineering.
- Designed adversarial and edge-case training datasets to stress-test model behavior in programming and security workflows.
Lead Developer
PROTECT3D
Durham, NC
03.2023 - 08.2025
- Rearchitected the application and backend in Go, introducing a new service architecture and data model that enabled horizontal scaling and reduced memory usage under load by >99%.
- Designed and deployed services to support real-time communication between mobile clients and support engineers.
- Diagnosed and resolved application performance and stability issues across the mobile and backend stack, reducing runtime memory usage by 80%, application size by 97%, and crash incidents by 98%.
- Worked across the full application stack to deploy and operate production services, troubleshoot system issues, and improve overall platform reliability and performance.
Lead Developer / Technical Lead
TOLEMAEUS
Global
12.2016 - 03.2023
- Architected and led development of distributed backend services supporting real-time mobile applications and high-concurrency workloads.
- Designed scalable event-driven systems using WebSockets and Redis to enable real-time messaging and state synchronization across users.
- Built backend APIs and data systems supporting geospatial workloads, media processing, and large-scale user interaction.
- Developed authentication and authorization systems including granular RBAC controls for secure access to application services and infrastructure.
- Diagnosed and resolved complex production issues across application and infrastructure layers, improving system reliability and operational stability.
- Led engineering architecture and development across backend services, mobile clients, and supporting infrastructure.
Lead Developer / Technical Lead
MAKANAK
Global
07.2014 - 12.2016
- Built and operated a geospatial business directory platform aggregating large datasets of business and location data across Saudi Arabia and the UAE.
- Designed and implemented a passwordless SMS authentication system using Redis-backed session coordination and WebSocket-based login flows.
- Diagnosed and resolved production issues across application and data systems to maintain platform reliability and performance.
Lead Developer
DEALZON
- Built an analytics platform providing real-time visibility into affiliate revenue, clickthrough rates, and other operational metrics through interactive dashboards and searchable datasets.
- Developed internal automation tools to aggregate, parse, and distribute deal data across partner systems, significantly improving operational efficiency and reducing manual workload.
Education
Mechanical Engineering
Duke University
Durham, NC01-2011
Skills
- Languages: Go, Python, JavaScript, TypeScript
- Infrastructure & Devops: Linux, Docker, Kubernetes, CI/CD
- Databases: PostgreSQL, CockroachDB, MySQL, MongoDB, Redis
- Security & Identity: SSH, PKI, RBAC, OAuth, 2FA
- Cloud Services: AWS, GCP
Timeline
Software Engineering AI Trainer
DataAnnotation.tech
08.2025 - Current
Lead Developer
PROTECT3D
03.2023 - 08.2025
Lead Developer / Technical Lead
TOLEMAEUS
12.2016 - 03.2023
Lead Developer / Technical Lead
MAKANAK
07.2014 - 12.2016
Lead Developer
DEALZON
Mechanical Engineering
Duke University