Software Engineering / QA
I build clear, reliable software with purpose.
I am Johannes Carofilis, a Software Engineer and QA professional. I build web and mobile products, validate quality, and lead technology initiatives from Manabi, Ecuador.
Ecuador / RemoteAvailable to collaborate
PROFILE // READOUT
Operational summary
10
Systems registered
3RD
OpenAI Buildathon
B2+
Working English
Portfolio
Selected work
Three projects that summarize my approach to product, quality, and artificial intelligence.
PRJ.BIL // QA Analyst
Billease
QA analysis across web, mobile, AI, and responsive experiences, validating critical flows and cross-platform stability.
QAWebMobileIA
PRJ.LUP // Web / Mobile QA
Lupio Pet
Functional and experience validation for a web and mobile product across iOS and Android.
QAWebiOSAndroid
Profile
What I bring
01
Full-stack development with React, Next.js, Python, PostgreSQL, MongoDB, and Supabase.
02
Manual QA, test case design, and automation.
03
Experience with web, mobile, and educational products.
04
Agile and Scrum experience, technical leadership, mentoring, and community building.
Toolbox
Core stack
Languages
CORE_01PythonJavaScriptTypeScript
Frontend
CORE_02ReactNext.jsResponsive UI
Backend and data
CORE_03NestJSPostgreSQLMongoDBSupabase
Quality
CORE_04Manual TestingTest Case DesignAutomationPostman
Delivery and agile methods
CORE_05DockerVercelAgile / Scrum