Victor Mendoza

Senior Software Engineer with 4+ years of experience in Java 17/21 and Spring Boot 3.x, specializing in microservices and financial systems. Expert in REST APIs, Kubernetes, and Kafka. Proven leader in applying SOLID principles and Hexagonal Architecture to high-impact enterprise solutions.

Tech Leader / Senior Software Engineer at Tech Mahindra (2021-12 – Present)

Development of key functionalities for PSE (Colombia) and Wire Payments (Mexico & USA) systems – banking sector.

• Designed and developed backend services using Java 17/21 and Spring Boot 3.x on an enterprise microservices architecture.
• Designed and consumed REST APIs for communication between cross-border financial payment systems.
• Implemented service security mechanisms: digital certificate management, keystores, and sensitive property configuration via Spring @ConfigurationProperties.
• Configured and managed messaging flows with Apache Kafka for asynchronous transaction processing.
• Managed deployments and service lifecycle on Kubernetes, ensuring production availability and scalability.
• Handled production traceability and incident troubleshooting using Dynatrace and Splunk.
• Led technical decisions within the team and actively participated in release management processes.
• Supported the QA team in end-to-end testing execution.
• Resolved critical security production incidents affecting financial transactions, ensuring business continuity and customer trust.
• Championed SOLID principles and clean code practices, raising the team's development standards.
• Built deep expertise in large-scale microservices architectures within the banking sector, improving scalability and maintainability.

Tech Leader – DSP & Cloud Platforms (INE / SellOut / TMS) at Grupo Tecno (2021-03 – 2021-12)

Real-time broadcast spot detection system for the National Electoral Institute (INE); SellOut system and Transportation Management System (TMS).

• Led the implementation of a real-time Digital Signal Processing (DSP) system.
• Designed cloud-based architectures on AWS and implemented key functionalities for SellOut and TMS platforms.
• Developed a route optimization solution and a scalable CI/CD infrastructure on AWS.
• Designed and implemented a Python algorithm for validation, cleansing, and integrity of MP3 audio files.
• Led database normalization and optimization efforts (MySQL, SQL Server).
• Deployed the DSP system nationwide across all 32 states of Mexico for the INE, achieving an 80% improvement in correctly processed files.
• Established a production deployment pipeline with integrated automated testing, increasing release reliability.

Master's Degree in Music Technology – UNAM

Bachelor's Degree in Music Composition – Escuela Superior de Música