Lead Cloud Applications & AI Integration Engineer

Diego Leon

Lead software engineer and cloud applications architect with 10+ years building production systems across .NET 10, ASP.NET Core, APIs, event-driven architecture, cloud infrastructure, and enterprise integrations. Strong leadership record modernizing legacy platforms into scalable services, mentoring engineering teams, and delivering AI/LLM-powered products with RAG, tool/function calling, OCR, evidence retrieval, and production-oriented monitoring and cost controls.

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  • North Bay Village, FL, USA
  • Hybrid / Remote | Contract-ready
  • Spanish · English
Diego Leon
Diego Leon
10+
Years building production cloud and enterprise systems
AI/LLM
RAG, agents, OCR, and evidence-grounded product delivery
Lead
Legacy modernization, team mentoring, and architecture ownership
.NET 10
ASP.NET Core, Blazor, APIs, and event-driven integrations at scale

Experience

2024-09 — Present
NinjaGig
Remote / USA

Lead .NET Software Engineer · Online Recruitment / ATS SaaS

Online applicant tracking, job posting, resume management, scoring, and hiring workflows.

  • Lead migration from legacy MVC to Blazor Server, evolving a monolithic ATS into a modern service-oriented architecture with .NET 10 / ASP.NET Core APIs.
  • Design, develop, and operate multi-tier web applications across Azure and AWS for job posting, applicant tracking, HR document automation, and secure business modules.
  • Build and extend NinjaGig AI Suite for resume processing, scoring, and candidate-job matching with skill/experience extraction and recruiter-facing fit ranking.
  • Architect backend services and integrations for payments, job feeds, transactional email, optimized SQL, secure data models, CI/CD, zero-downtime deployments, PCI validation, and incident response.
.NETBlazorAzureAWSAIATS
2026-01 — Present
SMP Pharmacy Solutions
Hybrid / Remote

Contract Software Developer II · Healthcare / Pharmacy Technology

Healthcare and pharmacy application development, integration support, and production troubleshooting.

  • Deliver contract development and application support using .NET 10/C#, SQL, Blazor/Razor, APIs, and cloud-connected architecture.
  • Design, test, document, and enhance internal frontend/backend applications with API integrations and complex SQL queries/stored procedures.
  • Collaborate with QA, Infrastructure, CIO/Business Operations, and agile stakeholders on cloud/microservices improvements, code reviews, and secure performance fixes.
.NETBlazorHealthcareSQL
2023-05 — 2024-09
AAPC
Remote / USA

Senior Software Developer · Healthcare Education, Certification & Revenue Cycle

Healthcare education, certification, and revenue cycle technology.

  • Built scalable web, mobile, and cloud-connected applications using .NET 8/.NET 6, Blazor, Razor, .NET MAUI, Azure B2C, and Azure DevOps pipelines.
  • Led Xamarin-to-.NET MAUI migration and coordinated a small engineering team, improving mobile architecture and cross-platform maintainability.
.NETMAUIAzureHealthcare
2022-10 — 2023-03
EnKnack / RideGoNow
Remote / USA

Senior Software Developer · Mobility / Ride-Dispatch Platform

Real-time ride-dispatch and mobility operations platform.

  • Designed real-time, event-driven ride operations using .NET, EF Core, RabbitMQ, SignalR/WebSockets, Blazor, and .NET MAUI.
  • Built cross-platform driver/operator experiences, reusable Blazor components, queue-based communication, and live location workflows.
.NETRabbitMQSignalRMAUI
— Present
Tech For People Global Corp
Remote

Founder & AI / Cloud Applications Architect · AI, Agentic API Gateway & LegalTech Portfolio

AI product portfolio spanning Tech For People, TechForAGI, and Lex OS with agent-native gateways and legal-tech systems.

  • Architected Lex OS, an AI-powered legal operating system for case analysis, jurisprudence exploration, OCR document intake, evidence panels, and per-case workspaces.
  • Built TechForAGI Gateway for autonomous AI systems to discover services, request quotes, process tasks, and receive structured machine-readable responses.
  • Designed Super RAG architecture combining semantic retrieval, vector indexes, SQL/graph sources, retrieval audits, prompt orchestration, and evidence grounding.
  • Directed AI product decisions on LLM prompts, tool/function calling, OCR workflows, source attribution, usage metering, latency/cost tracking, and API monetization.
AIRAGLegalTechGateway
2022-08 — 2023-03
CH2 Solutions - FrontSteps
Remote / USA

Senior Software Developer · HOA / Community Management SaaS

Cloud-hosted HOA and community management SaaS applications.

  • Supported cloud-hosted web and desktop applications with .NET 6/.NET Framework 4.8, Azure infrastructure, agile delivery, and production troubleshooting.
.NETAzureSaaS
2022-04 — 2022-08
NICE inContact
Remote / USA

Senior / Mid Software Developer · CX / Contact Center AI & Cloud Communications

Enterprise contact center and cloud communications software.

  • Delivered enterprise web and desktop applications using C#, ASP.NET, MVC, .NET Core, Entity Framework, SQL Server, RESTful APIs, and Scrum practices.
.NETContact CenterSQL Server
2019 — 2021
Sammy Bot / Tercer Elemento S.R.L.
Bolivia

CEO & Founder · HealthTech / GovTech COVID-19 Telehealth Platform

COVID-19 symptom reporting, WhatsApp teleconsultation, and telehealth delivery at national scale.

  • Led a 125-person technology, health, and marketing team delivering symptom reporting, WhatsApp teleconsultation, web workflows, Twilio WebRTC video, microservices, and event-driven .NET solutions.
HealthTechTelehealth.NET
2018 — 2021
Banco de Credito BCP
Bolivia

Manager, Server Applications & IT Infrastructure / Azure DevOps Manager / Sr. Backend Developer · Banking & Financial Services

Nationwide banking application infrastructure, DevOps, and backend API delivery.

  • Managed nationwide application infrastructure, production environments, DevOps culture, Azure Boards/Pipelines/Repos/Tests, Git, Terraform, VMware, SQL Server, IIS, Windows Server, Azure Cloud, and backend banking APIs.
AzureDevOpsBankingTerraform
2015 — 2017
Banco Solidario S.A. (BancoSol)
Bolivia

Jr. Full Stack Software Developer · Microfinance Banking & Financial Services

Microfinance banking applications, APIs, and customer support platforms.

  • Built and integrated banking applications, APIs, SQL Server workflows, customer support platforms, SignalR, sockets, WebSockets, REST/SOAP services, and .NET web/desktop solutions.
.NETBankingSignalRSQL Server

Selected work

Lex OS

AI-powered legal operating system

Case analysis, jurisprudence exploration, OCR-enabled document intake, evidence panels, per-case workspaces, and administrative controls.

AILegalTechOCRRAG

TechForAGI Gateway

Agent-native API gateway for autonomous AI systems

Enables AI systems to discover services, request quotes, process tasks, and receive structured machine-readable responses.

AIAPI GatewayAgents

NinjaGig AI Suite

AI resume processing and candidate-job matching

Parses applicant documents, extracts skills and experience signals, and ranks candidate fit against job requirements for recruiter workflows.

AIATSRAG

Tech For People

AI portfolio and community initiatives

Founder-led AI and product portfolio with developer mentorship and community engagement.

AICommunity

Capabilities

Cloud & DevOps

AWSAzureCloudflareAzure DevOpsCI/CDDockerTerraformGitmonitoringbackup/recoverySSL/TLSPCI operationsEC2S3RDSLambdaAPI GatewaySQSSNSEventBridgeCloudFrontserverlesscontainers

Engineering

C#.NET 10.NET 8ASP.NET CoreMVCBlazorRazorEntity FrameworkSQL ServerJavaScriptTypeScriptNode.jsPythonRESTGraphQLSOAPWCFRabbitMQKafkaSignalRWebSockets

AI / Data & Developer Productivity

LLM applicationsAI agentsRAGprompt designtool/function callingOCRvector searchembeddingsretrieval evaluationsource attributionCursorOpenAI CodexClaude CodeGitHub Copilot

Integration & Architecture

REST APIsevent-driven messagingqueue workflowspayment systemsjob feedstransactional emailenterprise connectivitylegacy modernizationmicroservices

Education

  • Universidad Salesiana de Bolivia — Associate Degree in Software Programming Software Programming
  • Universidad Tecnológica Boliviana — Bachelor's Degree Program in Computer Science (academic program) Computer Science

Certifications

  • Microsoft Azure Architect Technologies (AZ-303) — ITColombia / Microsoft
  • Microservices Architecture with Docker Container — Lite Thinking

Communities

  • ASPIRE Leaders Program — Domain Leader, Technology & AI
  • South Florida Tech Hub — Official Member
  • Tech For People Community — Founder, developer mentorship and AI/product initiatives

Get in touch

mail@diegoleon.me (305) 796-2129 LinkedInEmail
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