rcalfredson Robert C. Alfredson
EVIDENCE BASE
39
Repositories
2921
Commits
2971
Files analyzed
44
Technologies
168
Evidence
76
Active months
Based on 39 repository passports · 28/39 current
ENGINEERING PROFILE
Frontend50%
Backend82%
Testing53%
DevOps71%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
JSON Core
LANGUAGE · 9/39 repos · 1120 files · 79446 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 14/39 repos · 631 files · 167338 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 8/39 repos · 567 files · 90795 LOC
Depth 70 · HIGH
NumPy Core
LIBRARY · 11/39 repos · 352 files · 134168 LOC
Depth 74 · HIGH
Markdown Core
LANGUAGE · 27/39 repos · 111 files · 16702 LOC
Depth 70 · HIGH
MongoDB Emerging
DATABASE · 1/39 repos · 98 files · 29943 LOC
Depth 100 · HIGH
pytest Core
TESTING · 4/39 repos · 85 files · 11667 LOC
Depth 53 · HIGH
pandas Core
LIBRARY · 4/39 repos · 63 files · 32432 LOC
Depth 81 · HIGH
YAML Core
LANGUAGE · 6/39 repos · 48 files · 3084 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 7/39 repos · 33 files · 25730 LOC
Depth 58 · HIGH
Express Core
FRAMEWORK · 5/39 repos · 33 files · 6443 LOC
Depth 54 · HIGH
Shell Recurring
LANGUAGE · 2/39 repos · 12 files · 2659 LOC
Depth 70 · HIGH
Flask Emerging
FRAMEWORK · 1/39 repos · 5 files · 740 LOC
Depth 74 · HIGH
Java Emerging
LANGUAGE · 1/39 repos · 5 files · 847 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 5/39 repos · 5 files · 50 LOC
Depth 80 · HIGH
TOML Core
LANGUAGE · 5/39 repos · 5 files · 103 LOC
Depth 70 · HIGH
Requests Core
LIBRARY · 4/39 repos · 4 files · 385 LOC
Depth 58 · HIGH
pip Core
BUILD_TOOL · 4/39 repos · 4 files · 40 LOC
Depth 80 · HIGH
ESLint Recurring
QUALITY · 3/39 repos · 4 files · 13987 LOC
Depth 65 · HIGH
React Emerging
FRAMEWORK · 1/39 repos · 4 files · 289 LOC
Depth 70 · HIGH
React Router Emerging
LIBRARY · 1/39 repos · 4 files · 206 LOC
Depth 70 · HIGH
Next.js Emerging
FRAMEWORK · 1/39 repos · 3 files · 1619 LOC
Depth 45 · HIGH
Poetry Recurring
BUILD_TOOL · 3/39 repos · 3 files · 30 LOC
Depth 80 · HIGH
Ruby Recurring
LANGUAGE · 2/39 repos · 3 files · 86 LOC
Depth 70 · HIGH
Werkzeug Emerging
LIBRARY · 1/39 repos · 3 files · 460 LOC
Depth 66 · HIGH
Pipenv Recurring
BUILD_TOOL · 3/39 repos · 3 files · 30 LOC
Depth 80 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/39 repos · 3 files · 2212 LOC
Depth 69 · HIGH
Cargo Recurring
BUILD_TOOL · 2/39 repos · 2 files · 20 LOC
Depth 80 · HIGH
Rust Recurring
LANGUAGE · 2/39 repos · 2 files · 48 LOC
Depth 70 · HIGH
Bundler Recurring
BUILD_TOOL · 2/39 repos · 2 files · 20 LOC
Depth 80 · HIGH
Maven Emerging
BUILD_TOOL · 1/39 repos · 1 files · 10 LOC
Depth 80 · HIGH
SQLAlchemy Emerging
LIBRARY · 1/39 repos · 1 files · 95 LOC
Depth 58 · HIGH
Jinja2 Emerging
LIBRARY · 1/39 repos · 1 files · 87 LOC
Depth 58 · HIGH
Morgan Emerging
OBSERVABILITY · 1/39 repos · 1 files · 30 LOC
Depth 46 · HIGH
Axios Emerging
LIBRARY · 1/39 repos · 1 files · 750 LOC
Depth 54 · HIGH
body-parser Emerging
LIBRARY · 1/39 repos · 1 files · 750 LOC
Depth 54 · HIGH
Redis Emerging
CACHE · 1/39 repos · 1 files · 325 LOC
Depth 65 · HIGH
Vite Emerging
BUILD_TOOL · 1/39 repos · 1 files · 5 LOC
Depth 40 · HIGH
Dockerfile Emerging
LANGUAGE · 1/39 repos · 1 files · 10 LOC
Depth 70 · HIGH
XML Emerging
LANGUAGE · 1/39 repos · 1 files · 93 LOC
Depth 70 · HIGH
python-dotenv Emerging
LIBRARY · 1/39 repos · 0 files · 0 LOC
JSON Web Tokens Emerging
SECURITY · 1/39 repos · 0 files · 0 LOC
AWS SDK Emerging
CLOUD · 1/39 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/39 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
Eggsactly Flask
turtle npm
daily-page MongoDB
nvsl-analysis NumPy
nBLAST4Py Pipenv
flygen-ml NumPy
flywire-connectomics Markdown
tempy-rust Cargo
ACTIVITY & OWNERSHIP
Active months 76
Commits 2921
Owner authored 0%
PRIMARY PROFILE — HR VIEW
BackendJSON · Python · JavaScriptTeam
In 30 sec: direction — backend, core — JSON · Python · JavaScript, 39 repos 2017 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JSONPythonJavaScriptNumPyMarkdownTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 6
Forks 1
Watchers 6
EVERYTHING ABOVE IS TRACEABLE
39 repositories · 2921 commits · 2971 files · 168 evidence
Absence of a technology in the passport does not imply lack of experience