Professional Objective
Lead technical architecture decisions, mentor junior developers, design scalable microservices, optimize system performance, and drive DevOps best practices in high-availability environments.
Key Focus Areas
System design & architecture • Team leadership & mentoring • Performance optimization • Security implementation • Infrastructure management
Professional Experience
Go and PHP Backend Developer
@ Rolando’s Solutions SP. Z O.O.
May 2021 – Present
- Developed backend systems for insurance transaction management using PHP and MySQL.
- Built microservices for secure tokenization of sensitive bank data compliant with PCI standards.
- Implemented ISO 8583 protocol in Go using gRPC and Protocol Buffers for financial messaging.
- Integrated with banks’ APIs and developed POS API for voucher systems using AWS SMS/MMS.
- Supported insurance partners with technical solutions and real-time data processing.
Senior Software Engineer
@ Limango SP. Z O.O.
Jul 2024 – Jul 2025
- Collaborated on scalable microservices using Golang and PHP, improving system performance by 40%.
- Managed Kubernetes clusters and implemented CI/CD pipelines for automated deployments.
- Developed Next.js applications with server-side rendering and backend API integration.
- Supported migration from monolith to microservices; participated in code reviews and architecture planning.
Senior Software Engineer
@ ACINI Sp. z O.O.
Dec 2021 – Jan 2023
- Worked as Application Engineer in the US Life Insurance sector.
- Fixed critical bugs in legacy PHP systems based on customer reports.
- Converted business requirements into technical features using Scrum methodology.
- Designed an open architecture for a Life Insurance Quote system with external API integrations.
Go and PHP Backend Developer
@ Global Primex Europe SP. z o.o – Online Payments
Oct 2014 – May 2021
- Delivered secure, real-time credit card transaction solutions in a monolithic PHP system.
- Leveraged MySQL for high-performance data storage and retrieval.
- Ensured compliance with data security standards in financial transactions.
Security Specialist
@ University of Information Sciences (Havana, Cuba)
Sep 2011 – Oct 2014
- Monitored network security and performed system scrutiny.
- Developed tools to parse and visualize log data for security analysis.
- Deployed solutions enhancing internal network protection.
PHP Business Developer
@ Xetid (Havana, Cuba) – Software Developer Company
Sep 2009 – Sep 2011
- Implemented features for a Geographic Information System using PHP and PostgreSQL with PostGIS.
Education
Informatic Software Engineer
University of Informatics Sciences, Havana, Cuba
Technical Skills
Golang
PHP
MySQL
PostgreSQL / PostGIS
gRPC
Protocol Buffers
ISO 8583
Microservices
Kubernetes
CI/CD
AWS (SMS/MMS)
Next.js
PCI Compliance
Scrum
System Architecture
Languages
English – Professional proficiency | Spanish – Native | Polish – Beginner