Leonardo-KF Leonardo Keiser Fleck
Fullstack developer
EVIDENCE BASE
44
Repositories
819
Commits
1685
Files analyzed
41
Technologies
343
Evidence
19
Active months
Based on 44 repository passports · 44/44 current
ENGINEERING PROFILE
Frontend93%
Backend47%
Testing63%
DevOps79%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 19/44 repos · 423 files · 11052 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 36/44 repos · 201 files · 488913 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 33/44 repos · 172 files · 6706 LOC
Depth 70 · HIGH
NestJS Core
FRAMEWORK · 5/44 repos · 126 files · 3175 LOC
Depth 74 · HIGH
Python Recurring
LANGUAGE · 3/44 repos · 123 files · 1829 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 18/44 repos · 102 files · 4523 LOC
Depth 74 · HIGH
C# Emerging
LANGUAGE · 1/44 repos · 64 files · 1376 LOC
Depth 70 · HIGH
React Router Core
LIBRARY · 10/44 repos · 58 files · 3123 LOC
Depth 74 · HIGH
ESLint Core
QUALITY · 27/44 repos · 46 files · 208915 LOC
Depth 69 · HIGH
Markdown Core
LANGUAGE · 36/44 repos · 44 files · 889 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 34/44 repos · 34 files · 340 LOC
Depth 80 · HIGH
Express Core
FRAMEWORK · 11/44 repos · 32 files · 724 LOC
Depth 66 · HIGH
MongoDB Core
DATABASE · 6/44 repos · 27 files · 19437 LOC
Depth 93 · HIGH
Prettier Core
QUALITY · 11/44 repos · 24 files · 205258 LOC
Depth 69 · HIGH
Prisma Core
DATABASE · 5/44 repos · 20 files · 740 LOC
Depth 49 · HIGH
Axios Core
LIBRARY · 7/44 repos · 17 files · 997 LOC
Depth 58 · HIGH
Entity Framework Core Emerging
LIBRARY · 1/44 repos · 16 files · 496 LOC
Depth 100 · HIGH
Apache Kafka Recurring
MESSAGE_BROKER · 3/44 repos · 13 files · 91382 LOC
Depth 73 · HIGH
ASP.NET Core Emerging
FRAMEWORK · 1/44 repos · 11 files · 426 LOC
Depth 85 · HIGH
YAML Core
LANGUAGE · 7/44 repos · 9 files · 229 LOC
Depth 70 · HIGH
SQL Core
LANGUAGE · 5/44 repos · 9 files · 201 LOC
Depth 70 · HIGH
PostgreSQL Core
DATABASE · 5/44 repos · 8 files · 137 LOC
Depth 80 · HIGH
Yarn Core
BUILD_TOOL · 8/44 repos · 8 files · 80 LOC
Depth 80 · HIGH
TOML Core
LANGUAGE · 5/44 repos · 7 files · 21 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 6/44 repos · 6 files · 30 LOC
Depth 40 · HIGH
Supertest Core
TESTING · 4/44 repos · 5 files · 100 LOC
Depth 25 · HIGH
Redis Recurring
CACHE · 3/44 repos · 5 files · 90817 LOC
Depth 65 · HIGH
RabbitMQ Recurring
MESSAGE_BROKER · 3/44 repos · 5 files · 90817 LOC
Depth 65 · HIGH
XML Emerging
LANGUAGE · 1/44 repos · 5 files · 764 LOC
Depth 70 · HIGH
Next.js Emerging
FRAMEWORK · 1/44 repos · 4 files · 47 LOC
Depth 69 · HIGH
Pydantic Emerging
LIBRARY · 1/44 repos · 2 files · 72 LOC
Depth 66 · HIGH
FastAPI Emerging
FRAMEWORK · 1/44 repos · 2 files · 72 LOC
Depth 66 · HIGH
C Emerging
LANGUAGE · 1/44 repos · 1 files · 160 LOC
Depth 70 · HIGH
Vitest Emerging
TESTING · 1/44 repos · 1 files · 74 LOC
Depth 33 · HIGH
C++ Emerging
LANGUAGE · 1/44 repos · 1 files · 157 LOC
Depth 70 · HIGH
Hibernate Emerging
LIBRARY · 1/44 repos · 1 files · 13 LOC
Depth 43 · HIGH
Zod Emerging
LIBRARY · 1/44 repos · 1 files · 97 LOC
Depth 58 · HIGH
NuGet Emerging
BUILD_TOOL · 1/44 repos · 1 files · 10 LOC
Depth 80 · HIGH
Dockerfile Emerging
LANGUAGE · 1/44 repos · 1 files · 23 LOC
Depth 70 · HIGH
Jest Recurring
TESTING · 2/44 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/44 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationabsent
Not observed ≠ does not know
PROJECT PORTFOLIO
C012-Especialidades Apache Kafka
C0017-Back2 npm
C017-FS MongoDB
C017-FrontII npm
WA-Backend Express
WA-front npm
C017-ReactTs npm
C015-React ESLint
ACTIVITY & OWNERSHIP
Active months 19
Commits 819
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JSON · JavaScriptHigh ownership
In 30 sec: direction — frontend, core — TypeScript · JSON · JavaScript, 44 repos 2021 — 2023. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJSONJavaScriptNestJSPythonHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 31
Forks 14
Watchers 44
EVERYTHING ABOVE IS TRACEABLE
44 repositories · 819 commits · 1685 files · 343 evidence
Absence of a technology in the passport does not imply lack of experience