Jhon Steven Orjuela Naranjo

Jhon Steven Orjuela Naranjo

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Desarrollador Backend Senior | Java · Spring Boot · Microservicios | Fintech y Banca | Kafka · IBM MQ · AWS · Docker · Kubernetes
Bogotá, Bogota, Colombia
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Starting at USD3k/month
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Résumé

Jobs verified_user 0% verified
  • B
    Senior Backend Developer
    BANCO DE OCCIDENTE S.A.
    Jan 2022 - Current (4 years 6 months)
    • Architected the bank's Credit Card Tokenization API integrated with Google Pay and Apple Wallet, proposing key architectural decisions adopted by the team reducing fraud incidents by 60% and cutting payment processing time by 40% across 50,000+ active cardholders. • Core contributor to Colombia's Bre-B instant payment system (analogous to Brazil's PIX and India's UPI), enabling real-time interbank transfers compliant with national regulatory standards. • Designed Java 17 and Spring Boot microservices integrated with IBM App Connect Enterprise 12 and DataPower Gateway, sustaining 99.9% uptime across the bank's transaction processing platform. • Built event-driven workflows with Apache Kafka and IBM MQ, enabling reliable asynchronous commun
  • V
    Freelance Backend Developer
    Various Clients
    Jan 2020 - Dec 2022 (3 years)
    • Delivered Java Spring Boot solutions for fintech clients, including payment reconciliation engines and financial reporting APIs handling high-volume transaction data. • Designed RESTful API architectures with Spring Security and JWT authentication for client-facing financial capplications serving thousands of end users. • Implemented CI/CD pipelines and automated test suites, reducing client delivery timelines by 30%.
Education verified_user 0% verified
  • Oracle
    Oracle Cloud Infrastructure Foundations Associate
    Oracle
    Dec 2025
  • Microsoft
    Microsoft Certified: Azure Fundamentals
    Microsoft
    Dec 2025
  • Amazon Web Services
    AWS Cloud Practitioner
    Amazon Web Services
    Dec 2025
  • I
    ICAgle Professional
    International Consortium for Agile
    Oct 2023 - Dec 2023 (3 months)
  • American School Way
    Professional Business English
    American School Way
    Jan 2023 - Current (3 years 6 months)
  • C
    Software Engineering (Coursework Completed)
    CORPORACION UNIVERSITARIA REPUBLICANA DE COLOMBIA
    Jan 2018 - Dec 2022 (5 years)
Awards verified_user 0% verified
  • Banco de Occidente
    Celebremos nuestras victorias recognition
    Banco de Occidente
    Dec 2025