Edson Lima
CTO at Null Bug
Paraná, Brazil
Summary
👤
Senior🎓
Top SchoolEdson Lima is a senior software engineer and consultant with 27 years in software engineering and 15 years focused on financial systems, specializing in credit modeling, BACEN compliance, and core banking migrations for credit cooperatives. As founder of Coopera.dev and senior engineer at Uniprime Central Nacional, he blends pragmatic consultancy with a refusal of needless bureaucracy, favoring clear conversations and long-term partnerships. He has led technical teams from CTO roles to architecture squads, modernizing legacy systems and executing complex database migrations across major cooperative banking platforms. Based in Paraná, Brazil, Edson pairs deep domain knowledge of cooperative finance with hands-on architecture and implementation skills, making him a go-to for projects requiring both regulatory rigor and practical delivery. An understated differentiator is his emphasis on light, human-centered collaboration as the seed for high-quality software.
15 years of coding experience
23 years of employment as a software developer
Federal University of Technology – Paraná
English
Github Skills (65)
databases9
multi-tenant9
rails9
citus9
activerecord8
ruby8
postgresql8
java8
rspec7
sql7
database7
wsl27
sqlite7
db26
testing6
Programming languages (6)
Github contributions (5)
edsonlima/pHash
Dec 2021 - Mar 2025
pHash - the open source perceptual hash library
Contributions:5 pushes in 3 years 3 months
cryptographyphashhashperceptual
edsonlima/activerecord-multi-tenant
Jan 2021 - Mar 2022
Rails/ActiveRecord support for distributed multi-tenant databases like Postgres+Citus
Contributions:2 PRs, 5 pushes in 1 year 2 months
tenantrailscitusrubydatabases
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