Javier Martín
Ingeniero De Software Superior at dLocal
Coín, Andalusia, Spain
Summary
👤
Senior🎓
Top SchoolJavier Martín is a senior software engineer with 11 years designing and operating high-throughput, low-latency backend systems across payments and mobility platforms. He specializes in microservices, cloud-native deployment, and performance tuning, having migrated critical services to Kubernetes/ArgoCD and reduced deployment and query latencies significantly. Javier blends hands-on coding in Java, Kotlin, Go, PHP and JavaScript with strong observability and CI/CD practices, and has tangible wins like shrinking MongoDB index storage by 40% and boosting application performance by up to 70%. Based in Andalusia, he currently builds fraud-detection microservices at dLocal that integrate ML models for real-time decisions, balancing reliability, resilience, and scalability. A pragmatic tinkerer, he also automates infrastructure and created multiple maintenance tools and end-to-end testing systems to keep distributed platforms stable at scale.
11 years of coding experience
17 years of employment as a software developer
Ingeniero Técnico Telecomunicaciones, Ingeniero Técnico Telecomunicaciones at Universidad de Málaga
Spanish, English, Japanese, German, Portuguese, p'urépecha
Stackoverflow
13reputation
554reached
0answers
1question
Github Skills (103)
spring-security10
java10
spring-boot10
spring10
springframework10
sec9
twitter9
telegram-bot9
aurora9
publish9
banking9
gradle-plugin8
database-management8
telegram8
kotlin8
Programming languages (10)
Github contributions (5)
Mundo-Dolphins/mundo-dolphins.github.io
Dec 2024 - Apr 2025
Contributions:241 PRs, 161 pushes, 134 branches in 3 months
n26/psd2-tpp-docs
Jan 2022 - Nov 2022
N26 Open Banking Documentation for TPPs
Contributions:26 reviews, 9 commits, 44 PRs in 10 months
n26open-bankingsecbankingopen-banking-team
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.