Humberto “Bert” Bello
Software Engineering | Architecture | Hyperscalers | Applied AI | Solopreneur
20+ years delivering customer-facing digital experiences, integration, security and enterprise-scale modernization.
15+ years leading global engineering teams as Engineering Manager and Engineering Director with end-to-end delivery accountability.
Hands-on AI architect and engineer — agentic AI systems, RAG pipelines, LLM integration and cloud-native engineering (AWS, GCP, Azure).
Track Record
Selected Experience
A curated view of high-impact engagements across enterprise transformation, AI, and platform engineering.
Fortune 100 - Fintech
Engineering Scaling & Governance
Scaled engineering teams from 8 to 20 across 3 countries; ran 34 sprints and 3 PI Plannings. Led product roadmap and governance partnering with Architecture, InfoSec, and Engineering stakeholders.
Fortune 100 - Medical Device Company
API Security for Surgical Devices
Implemented API management and produced security guardrails for microservices controlling surgical devices.
Fortune 500 - Retail & Financial
RAG Engine for Contract Management
Built a RAG engine for Leasing Contract Management productivity. Produced a serverless version for AWS. Implemented Claude Skills for TDD workflow and a EventStorming facilitator agent.
Fortune 500 - Largest Wireless MVNO in USA
Mobile Wireless Platform Modernization
Modernized, rebuilt, and standardized the middleware and portal for Mobile Wireless service provisioning, scaling from 6M to 19M subscribers across 8 brands.
Fortune 500 - Fintech
Real-Time Payment Network
Provided solution architecture and design for event processing requirements for a real-time payment network, integrating with OpenBanking Customer APIs.
Fifth Third Bank
Mobile Banking Wallet
Technical leader — designed and implemented integration and service layer to support personal Banking Mobile Wallet for 2.4 million monthly mobile banking users.
Expertise
Professional Skills
Two decades of hands-on experience as an AI architect, engineering director, and solopreneur — spanning agentic AI, RAG engineering, cloud, security, and global team leadership.
AI & Emerging Tech
- Generative AI & Agentic Patterns
- RAG Engines (LangChain, Azure OpenAI, Bedrock)
- LLM Integration & Prompt Engineering
- Event-Driven Architectures
- Claude Code & Skills: Sonnet, Qwen, Opus
- Co-Pilot, Junie
- Huggingface, Unsloth Studio
Cloud & Infrastructure
- AWS (Lambda, Bedrock, OpenSearch, S3, ECS)
- GCP & Azure (OpenAI, Zilliz)
- Kubernetes, Istio, Apigee
- Serverless & Microservices
Engineering & Architecture
- Solution & Enterprise Architecture
- Engineering Management: DevSecOps, DORA, XP, SCRUM, SAFe
- API Management & Design
- Legacy Platform Modernization
- Spring Boot, Kafka, React, Python
- Java, NodeJS, Kotlin, Scala
- Oracle, DynamoDB, MongoDB, PostgreSQL, Redis
- Databricks, Kafka, Cassandra, Apache Camel, Apache NiFi
Security & Compliance
- GDPR
- HIPAA
- SOX
- SOC
- Security Guardrails
- InfoSec Governance
Leadership & Delivery
- 15+ Years Global Team Leadership
- Agile / SAFe PI Planning
- End-to-End Delivery Accountability
- Stakeholder & Roadmap Management
Digital Experiences
- Customer-Facing Digital Products
- Mobile & Web Platform Engineering
- UI/UX Standards & Implementation
- Integration Architecture
Portfolio
Selected Clients & Employers
A track record built with industry leaders across financial services, healthcare, telecom, and beyond.
Equifax
Financial Services
Fifth Third Bank
Banking
FISERV
Fintech
Verizon / MVNO
Telecom
J&J — Medical Devices
HealthTech
Dollar General
Retail & Supply Chain
Let's Build Something Remarkable
Authorized to work in the United States without sponsorship. Open to AI architect, engineering director, and consulting engagements — including fractional and solopreneur roles.