Esther Villars
Co-founder, CTO & Compliance Officer at BananaCrystal
Redondo Beach, California, United States
Summary
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SeniorEsther Villars is a hands-on technology leader and co-founder with over a decade of product and engineering experience, currently serving as CTO and Compliance Officer at BananaCrystal while also co-leading FlatPyramid. She combines deep full-stack development and architecture experience from startups to enterprise teams—shaping 3D marketplace platforms, consumer web properties, and enterprise learning systems—while maintaining a strong focus on compliance and operational rigor. Esther’s background spans roles from R&D engineering at Procter & Gamble to leading engineering teams at Hallmark Labs and ExecOnline, giving her a unique blend of research-driven problem solving and scaled delivery. Based in Redondo Beach, she pairs entrepreneurial grit with practical, auditable implementations that bridge product, security, and regulatory needs.
11 years of coding experience
15 years of employment as a software developer
Spanish
Stackoverflow
16reputation
0reached
2answers
0questions
Github Skills (12)
amazon-web-services8
spree6
ruby-on-rails6
wordpress5
woocommerce5
gateway4
parallel-processing3
aws-lambda2
thread-safety2
lambda2
nvm1
solidity1
Programming languages (6)
Github contributions (5)
BananaCrystal/bananacrystal-payment-gateway
Nov 2022 - Jan 2023
Woocommerce Payment Plugin to Accept Payments with BananaCrystal
Contributions:8 releases, 21 reviews, 15 commits in 2 months
woocommercegatewaypaymentswordpress
esthervillars/spree_address_book
Mar 2015 - Apr 2015
Contributions:2 PRs, 7 pushes, 2 branches in 13 days
addressspreeaddress-book
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