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Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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lenerson/README.md

Lenerson Velho Nunes

Founder & CEO at Lepton Tech Solutions
Architecture & Engineering
Caxias do Sul · RS · Brazil

Website LinkedIn Instagram X

.NET C# Vue TypeScript Node.js Flutter Java

Azure Docker NGINX GitHub Actions SonarQube SQL Server PostgreSQL

I build software for companies that have outgrown their systems.

At Lepton Tech Solutions I lead architecture and engineering for custom software and digital transformation projects, mostly for the B2B market, where the real problem is rarely "write more code" and usually "the process, the data and the architecture stopped fitting the business."

I spend my time between three things: designing systems that keep evolving years after they go live, migrating legacy codebases without stopping the business, and turning applied AI into something that actually ships instead of staying in a slide deck.

What I'm working on

  • Lepton Maturity Index — a parametrizable digital maturity diagnostic (8 dimensions, CMMI-style scoring) that turns an assessment into a prioritized technology roadmap.
  • AI-assisted engineering workflows — agentic tooling in the day-to-day of a consultancy: large-scale code audits, repository migrations, guardrails and hooks around what the agent is allowed to touch.
  • Platform & delivery — CI/CD, quality gates and infrastructure that let a small team ship like a large one.

How I work

Architecture — DDD, CQRS, modular monoliths over premature microservices, strangler fig for legacy migration, API gateways when they earn their place.

Quality — TDD where the business rules are dense, tests as executable specification, static analysis as a gate and not a report.

Delivery — pipelines that are simple to operate, infrastructure a team can run without a hero.

Bias — technology chosen for the outcome it has to deliver, not for fashion or habit; explicit boundaries, and decisions written down.

Reference repositories

Small, focused examples of the patterns I use in production work:

Repo What it shows
CqrsMediatREntityFrameworkDapper CQRS + DDD with MediatR, EF Core for writes and Dapper for reads
CqrsDDDWithMediatR The minimal version — CQRS and DDD without the persistence split
ApiGatewayWithOcelot API Gateway pattern with Ocelot

Building at @lepton-tech · Open to conversations about architecture, legacy modernization and applied AI.

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  1. CqrsMediatREntityFrameworkDapper CqrsMediatREntityFrameworkDapper Public

    Simple application example with use of architecture pattern CQRS, approach DDD, library MediatR, Entity Framework Core ORM and Dapper.

    C# 6 3

  2. CqrsDDDWithMediatR CqrsDDDWithMediatR Public

    Simple application example with use of architecture pattern CQRS, approach DDD and library MediatR.

    C# 5

  3. flutter_time flutter_time Public

    Plugin to handle and get time info.

    Dart 2

  4. plugins plugins Public

    Forked from flutter-team-archive/plugins

    Plugins for Flutter, including FlutterFire, maintained by the Flutter team

    Dart

  5. ApiGatewayWithOcelot ApiGatewayWithOcelot Public

    An example of simple implementation of the API Gateway pattern using Ocelot

    C#

  6. LazyCache LazyCache Public

    Forked from alastairtree/LazyCache

    An easy to use thread safe generics based in memory caching service with a simple developer friendly API for c#

    C#