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.

Get in touch LinkedInEmail
  • North Bay Village, FL, USA
  • Hybrid / Remote | Contract-ready
Diego Leon
Diego Leon
10+
Years building production cloud and enterprise systems
AWS / Azure
Production applications, CI/CD, and scalable service architecture
AI / LLM
RAG pipelines, agents, OCR, and evidence-grounded products
Lead Engineer
Legacy modernization, team mentoring, and production ownership

Experience

2026-01 — Present
SMP Pharmacy Solutions

Contract Software Developer II

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

  • Deliver contract development and application support for a healthcare/pharmacy environment using the Microsoft technology stack, .NET 10/C#, SQL, Blazor/Razor, APIs, and cloud-connected architecture.
  • Design, test, document, and enhance internal frontend/backend applications while supporting API integrations, complex SQL queries/stored procedures, and Tier 2/3 production troubleshooting.
  • Collaborate with QA, Infrastructure, CIO/Business Operations, and agile stakeholders on cloud/microservices-oriented improvements, support procedures, code reviews, sprint planning, and secure/performance-minded fixes.
  • Develop Systems Integrating AI, LLMs, Advanced RAG Systems, Graph DBs, Vector DBs and Manage of Embeddings Systems
HealthcarePharmacy.NET 10BlazorSQLAPIs
2024-09 — Present
NinjaGig
Remote / USA

Lead .NET Software Engineer

Online applicant tracking, job posting, resume management, scoring, and hiring workflows for an ATS SaaS platform (ninjagig.com).

  • Lead migration from legacy MVC to Blazor Server, evolving a monolithic applicant-tracking platform 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, supporting job posting workflows, applicant tracking, HR document automation, and secure business modules.
  • Build and extend NinjaGig AI Suite, an AI-powered resume processing, scoring, and candidate-job matching product that parses applicant documents, extracts skills/experience signals, and ranks candidate fit against job requirements.
  • Apply AI-native engineering workflows with Cursor, OpenAI Codex, Claude Code, and GitHub Copilot to accelerate refactoring, test generation, code review preparation, documentation, and delivery of ATS/AI features.
ATSSaaSAzureAWSBlazorAI.NET 10
2023-05 — 2024-09
AAPC
Remote / USA

Senior Software Developer

Healthcare education, certification, and revenue cycle technology (aapc.com).

  • 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.
Healthcare.NET MAUIBlazorAzure
2022-10 — 2023-03
EnKnack / RideGoNow
Remote / USA

Senior Software Developer

Mobility and ride-dispatch platform operations.

  • 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 patterns, and live location workflows.
MobilityRabbitMQSignalRBlazor.NET MAUI
— Present
Tech For People Global Corp / TechForAGI / Lex OS
Remote

Founder & AI / Cloud Applications Architect

AI, agentic API gateway, and LegalTech portfolio spanning Tech For People (techforpeople.org), Tech For AGI (techforagi.com), and Lex OS AI Alpha (gateorbit.com/v2).

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

Senior Software Developer

HOA and community management SaaS (frontsteps.com).

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

Senior / Mid Software Developer

CX, contact center AI, and cloud communications (nice.com).

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

CEO & Founder

HealthTech / GovTech COVID-19 telehealth platform.

  • Led a 125-person technology, health, and marketing team to deliver COVID-19 symptom reporting, WhatsApp teleconsultation, web workflows, Twilio WebRTC video consultations, microservices, and event-driven .NET solutions.
HealthTechGovTechTelehealthMicroservices
2018 — 2021
Banco de Credito BCP
Bolivia

Manager, Server Applications & IT Infrastructure / Azure DevOps Manager / Sr. Backend Developer

Banking and financial services (bcp.com.bo).

  • 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.
BankingAzure DevOpsTerraformSQL Server
2015 — 2017
Banco Solidario S.A. (BancoSol)
Bolivia

Jr. Full Stack Software Developer

Microfinance banking and financial services (bancosol.com.bo).

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

Selected work

Lex OS

AI-powered legal operating system

Legal operating system for 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 autonomous AI systems to discover services, request quotes, process tasks, and receive structured machine-readable responses.

AI AgentsAPI GatewayMicroservices

Super RAG Architecture

Semantic retrieval with evidence grounding for legal AI

Combines semantic retrieval, legal-atom/verified-holding concepts, vector indexes, SQL/graph sources, retrieval audits, prompt orchestration, and evidence grounding.

RAGVector SearchLLMLegal

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.

ATSAIOCRScoring

Capabilities

Cloud & DevOps

AWSAzureCloudflareAzure DevOpsCI/CDDockerTerraformGitMonitoringBackup/recoverySSL/TLSPCI operationsEC2S3RDS/DynamoDBLambda/API GatewaySQS/SNS/EventBridgeCloudFront

Engineering

C#.NET 10.NET 8ASP.NET CoreMVCBlazorRazorEntity FrameworkSQL ServerJavaScript/TypeScriptNode.jsPythonRESTGraphQL conceptsSOAP/WCFRabbitMQKafkaSignalR/WebSockets

AI / Data & Developer Productivity

LLM applicationsAI agentsRAGPrompt designTool/function callingOCRVector searchEmbeddingsRetrieval evaluationSource attributionCursorOpenAI CodexClaude CodeGitHub Copilot

Integration & Architecture

REST APIsEvent-driven messagingRabbitMQQueue workflowsPayment systemsJob feedsTransactional emailEnterprise connectivityLegacy modernizationMonolith-to-services planning

Education

  • Universidad Salesiana de Bolivia — Associate Degree in Software Programming
  • Universidad Tecnológica Boliviana — Bachelor's Degree Program in Computer Science 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 & active participant in South Florida tech ecosystem activities
  • Tech For People Community — Founder, developer mentorship and AI/product initiatives

Get in touch

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