Alexandre Marcos
Estratégia Educacional
Buenos Aires,B
7
years of professional experience
Senior Software Engineer with over 7 years of experience in developing scalable, high-availability systems. My career has evolved from an software engineer, data engineer to technical leadership roles, building deep proficiency in diverse stacks including Go, Python, Java, and Vue.js.
A specialist in performance optimization and operational efficiency, I have a proven track record of delivering critical results, such as drastically reducing checkout response times from 30s to sub-1s and achieving a 38% reduction in AWS infrastructure costs. Beyond technical expertise, I act as a strategic bridge between product and engineering teams, leading high-level technical discussions and mentoring developers.
Work History
Software Engineer
1 Year 6 Months- Rewrote the main courses search page increasing the page speed
- Architecting high-throughput Go microservices and low-latency integrations for a large-scale education platform
- Leading the development and maintenance of Vue.js applications, ensuring best integration with complex backend infrastructures
- Maintaining Python services and data-processing scripts to optimize internal workflows and backend operations
- Driving reliability improvements through the implementation of automated testing, rigorous code quality standards, and CI/CD best practices
Tech Leader
3 Months- Acted as the primary technical interface between product owners and engineering teams, while mentoring developers in Java and Go, distributed systems, and backend design practices.
Software Engineer
2 Years 2 Months- Contributed to a new AWS infrastructure migration, resulting in a 38% reduction in operating costs.
- Successfully planned and executed the decomposition of a legacy monolith into a microservices architecture.
- Rebuilt AWS Lambda workloads and centralized logging in Elasticsearch to accelerate debugging. Redesigned New Relic dashboards and alerts to improve operational signal quality and reduce false positives.
Software Engineer
7 Months- Critical Performance Optimization: Rebuilt the "Big Brother Brasil" checkout flow, drastically reducing response times from 30 seconds to under 1 second.
- System Rewrite Leadership: Owned the full end-to-end delivery of the new checkout flow. rewriting and led technical discussions for delivery planning.
Software Engineer
1 YearSoftware Engineer
1 Year 8 Months- Partnered directly with clients in on-site meetings to gather requirements and ensure technical solutions were perfectly aligned with business needs.
- Implemented the first automated test coverage suite for a legacy Java application, significantly improving system reliability and maintenance standards.
- Implemented to a legacy project a CI/CD pipeline.
- Developed and delivered backend features across diverse technology stacks, including Java, Python, and C#.
Education
- Systems Analyst, Software development
Skills
Go (Programming Language)
Javascript
Java
Python
Amazon Web Services (AWS)
Microservices
SQL
Performance optimization
Languages
English
Native or Bilingual
Timeline
Software Engineer
Estratégia Educacional
01.2025 - CurrentRead More
Tech Leader
Bemobi
10.2024 - 01.2025Read More
Software Engineer
Bemobi
08.2022 - 10.2024Read More
Software Engineer
Accenture
01.2022 - 08.2022Read More
Software Engineer
Concrete Solutions
12.2020 - 12.2021Read More
Software Engineer
Radix Engineering and Software
04.2019 - 12.2020Read More
Infnet Institute
from Systems Analyst, Software development
Read More