Senior .NET Engineer with 10+ years of experience designing and delivering enterprise-scale applications across financial services, CRM platforms, and high-availability systems. Proven track record leading development teams, building scalable architectures, and improving operational efficiency in complex environments.

Currently focused on building AI-powered applications using .NET and Azure OpenAI, including conversational systems with Blazor frontends and API-driven backends. Strong foundation in SOLID design principles and Agile software development practices.

Technical Skills

Languages: C#, .NET, JavaScript, SQL, Python
Frameworks, CRM & Technologies: ASP.NET Core, Blazor, Web API, Entity Framework, REST APIs, Microsoft Dynamics CRM, Salesforce
AI & Cloud: Azure OpenAI, Prompt Engineering, API Integration, AI Application Development
Databases: SQL Server, Oracle, MySQL
Tools: Visual Studio, Git, Azure, Postman
Concepts: SOLID Principles, Object-Oriented Design, Microservices, System Design, API Architecture, Agile/Scrum

Professional Experience

Independent Software Engineer (AI & CRM-Focused)

2021 – Present

Designed and developed AI-powered applications using .NET, including a conversational chatbot with Blazor frontend and Web API backend.
Integrated Azure OpenAI services to enable dynamic, context-aware conversational interactions.
Implemented contextual response generation using external data sources to enhance relevance and personalization.
Designed and implemented RESTful APIs to support scalable and maintainable application architecture.
Applied prompt engineering techniques to improve response accuracy and system behavior.

Lead Full Stack .NET Developer

Vault Social Clubs Investments LLC — San Antonio, TX | 2018 – 2021

Led design and development of enterprise applications supporting investor relations, portfolio management, and operational workflows.
Designed and implemented an immutable audit logging system using Stratis blockchain and .NET.
Developed and integrated Microsoft Dynamics CRM solutions.
Architected and built RESTful APIs and backend services.

Lead Software Engineer

Alorica Inc — San Antonio, TX | 2015 – 2018

Led development of large-scale Salesforce CRM solutions supporting Fortune 500 clients.
Improved system performance through targeted refactoring, increasing operational throughput by 14%.
Developed APIs, web services, and microservices for enterprise integrations.

Sr. Application Developer / Team Lead

JP Morgan Chase & Co — San Antonio, TX | 2007 – 2015

Led development and maintenance of mission-critical applications supporting 150,000+ users.
Managed a team of 6 developers across multiple enterprise systems.
Designed and built 14+ enterprise applications.

Senior Software Engineer

MiSource Inc / Verizon Wireless Contract — Schertz, TX | 2006 – 2007

Designed and developed solutions for field network operations.
Built applications and ETL processes that reduced operational workload by 12%.

Platform Migration Engineer

Diversified Technology Services Inc / DoD Contractor — San Antonio, TX | 2004 – 2006

Migrated legacy ASP applications to .NET and SQL Server architecture.
Developed a web-based retirement and separation calculator for Air Force personnel.

Projects

AI Chatbot Application

Developed a conversational AI chatbot using Blazor and .NET Web API.
Integrated Azure OpenAI for dynamic, context-aware responses.
Implemented contextual response generation using external data sources.

CRM & AI Integration

Exploring AI-driven conversational interfaces within CRM workflows.
Designing approaches to enhance customer interaction, automation, and data retrieval using AI.

Education & Certifications

Microsoft Certified Professional
Scrum Master — Scrum.org
San Antonio College — AAS Coursework, Programming Track

Oldwen A. Adriano

Senior .NET Engineer (AI & CRM-Focused)