Jose Valecillos
Staff Software Engineer at Delivery Hero
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJose Valecillos is a Staff Software Engineer based in Berlin with over 12 years of experience building and leading backend teams that operate at million-user scale. He is fluent in Go, PHP, Python and Java, and has designed payment platforms and migrations from monoliths to Kubernetes-based microservices while optimizing databases and SQL for high-throughput finance workloads. At HelloFresh he led onboarding of engineering teams, defined technical roadmaps, and architected a resilient tokenization and recurring-payments platform; he now applies that expertise at Delivery Hero. Jose combines hands-on implementation of CI/CD, Terraform/Ansible infrastructure as code, and cloud-native patterns with pragmatic product-minded decisions around monetization and third-party payment integrations. An active open-source contributor, he improved Braintree’s Go client (including Apple Pay BIN support and XML marshaling fixes), demonstrating attention to compatibility and test coverage. He thrives in autonomous agile teams where technical craft delivers measurable business impact.
12 years of coding experience
12 years of employment as a software developer
Computer Engineer Computer Science, Computer Engineer Computer Science at Universidad Centro Occidental 'Lisandro Alvarado'
English, Spanish, German
Stackoverflow
11reputation
46reached
2answers
0questions
Github Skills (8)
xml10
go10
payment-processing10
testing9
apple-pay9
yii6
php6
rest6
Programming languages (11)
Github contributions (5)
braintree-go/braintree-go
Jul 2018 - Nov 2018
A Go client library for Braintree
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 5 PRs, 15 comments in 3 months
Contributions summary:Jose primarily contributed to the Go client library for Braintree, focusing on transaction processing and client token generation. They added features such as `StoreInVaultOnSuccess` and the `BIN` field for Apple Pay integration. The user also implemented new options and fields within the client token generation process, expanding the functionality to align with the official Braintree SDKs. Furthermore, they addressed code issues by fixing XML marshaling for Go 1.7 and adding tests for XML serialization.
golangclient-librarygo-clientadyenpayment-processing
jvalecillos/vscode-gpg
Mar 2018 - Jan 2020
VSCode GPG Extension
Contributions:13 releases, 37 commits, 9 PRs in 1 year 11 months
gpgvscodevscode-extensiontheiavscode-plugin
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