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Malt Strategy
Lorena Sordo PatoLS

Lorena Sordo Pato

Senior Backend Developer | API-First Microservices

€400/day
Avilés, ES
8-15 years
Java 17
Spring boot
RxJava
Docker
OpenAPI

Average response time: 1 hour

About Lorena

Senior Backend Engineer with 10+ years of experience building scalable, secure systems in Java, Spring Boot, and microservices. I’ve led multicultural teams delivering fintech and open banking platforms with strong focus on performance, reliability, and clean architecture. Passionate about reactive programming, TDD, and cloud technologies, I help companies build robust, maintainable backends that power real business impact.
E-commerce
Public Sector
Retail (Small Business)
Banking and Financial Services

  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Freelance
    Senior Backend Developer | API-First Microservices
    January 2024 - Today (2 years and 5 months)
    • Designed and deployed reactive microservices supporting high-concurrency workloads and low-latency APIs.
    • Partnered with clients to define technical roadmaps aligned with product goals.
    Open API Microservices Docker PostgreSQL Spring boot
  • EVO Payments, Inc.
    Senior Developer | Tech Lead
    E-COMMERCE
    May 2019 - June 2023 (4 years and 1 month)
    • Led a multicultural team developing fault-tolerant payment gateways for lottery systems, optimizing responsiveness, performance, and security.
    • Implemented distributed service architecture and enhanced transactional reliability across multiple payment providers.
    • Collaborated with analytics and business teams to improve operational visibility and customer repayment success rates.
    • Introduced monitoring metrics and observability practices to improve incident response and uptime.
    Cross-functional Team Leadership Fullstack E-commerce CI/CD OpenShift
  • Global Payments Inc.
    Full Stack Senior Developer | Tech Lead
    E-COMMERCE
    June 2023 - February 2024 (8 months)
    • Directed backend modernization initiatives, leading to measurable improvements in system scalability and maintainability.
    • Enforced code review and testing standards to ensure high-quality, production-ready code.
    • Enhanced observability and logging for real-time issue detection and root-cause analysis.
    Security Java 11 Oracle CI/CD TDD
Check out Lorena's experience

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Education

  • PhD
    Universidad de Oviedo, Universidad de Cádiz.
    2007
    PhD
  • Bachelor Degree
    Universidade de Vigo
    2001

Certifications

  • Java EE Sun Certification
    United Latino Students Association
    2009
    Java EE Java SAAS Object-Oriented Programming (OOP) Domain Driven Design

Skill set

Problem solver
Adaptability
Continuous Improvement
Attention to detail
Analytical Thinking

Categories