I am a passionate backend software engineer with 4+ years at Nubank, one of Latin America's largest fintechs. I design and build distributed backend services that scale to millions of users, focusing on DRY, maintainable code and robust architecture built around microservices. I thrive in fast-paced environments and enjoy collaborating with product, design, and engineering teams to deliver reliable features. I'm eager to expand my data engineering skills and contribute to building rights management systems that democratize access to music technology. I continuously apply lessons from production incidents to improve resilience and system design, and I value clarity, maintainability, and strong cross-functional partnerships.

Ana Carolina Santos

I am a passionate backend software engineer with 4+ years at Nubank, one of Latin America's largest fintechs. I design and build distributed backend services that scale to millions of users, focusing on DRY, maintainable code and robust architecture built around microservices. I thrive in fast-paced environments and enjoy collaborating with product, design, and engineering teams to deliver reliable features. I'm eager to expand my data engineering skills and contribute to building rights management systems that democratize access to music technology. I continuously apply lessons from production incidents to improve resilience and system design, and I value clarity, maintainability, and strong cross-functional partnerships.

Available to hire

I am a passionate backend software engineer with 4+ years at Nubank, one of Latin America’s largest fintechs. I design and build distributed backend services that scale to millions of users, focusing on DRY, maintainable code and robust architecture built around microservices. I thrive in fast-paced environments and enjoy collaborating with product, design, and engineering teams to deliver reliable features.

I’m eager to expand my data engineering skills and contribute to building rights management systems that democratize access to music technology. I continuously apply lessons from production incidents to improve resilience and system design, and I value clarity, maintainability, and strong cross-functional partnerships.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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Language

Portuguese
Fluent
Spanish; Castilian
Advanced
English
Advanced
Italian
Intermediate

Work Experience

Senior Backend Software Engineer at Nubank
March 1, 2024 - Present
Design and build distributed backend services serving millions of active users. Proactively identify and prioritize technical debt reduction initiatives, improving system maintainability. Apply learnings from production incidents to build more resilient features and improve system architecture.
Associate Software Engineer at Nubank
April 1, 2022 - March 31, 2024
Developed backend features operations including payments, transfers, and account management. Built and maintained microservices handling millions of daily transactions with strict latency requirements. Collaborated with cross-functional teams including Financial Engineering and Content Platform teams. Supported incident resolution in excellent response time and implemented automation to prevent recurring issues.
Automation Technician at Tronox
May 1, 2019 - July 31, 2020
Implemented control systems for industrial automation, developing system thinking and reliability. Built measurement and monitoring solutions for critical infrastructure (pressure, temperature, flow control). Ensured compliance with safety and quality standards through rigorous testing and validation. Developed energy-efficient solutions reducing operational costs by 25% across multiple production facilities.

Education

Bachelor's Degree in Analysis and Development of Systems at Institute Descomplica, Brazil
January 1, 2023 - January 1, 2027
Automation Technician at Federal Institute of Bahia (IFBA), Brazil
January 1, 2013 - January 1, 2017
Software Development Bootcamp at Cubos Academy
January 1, 2021 - May 4, 2026

Qualifications

Software Development Bootcamp Certification
January 1, 2021 - May 4, 2026
Automation Technician Certification
January 11, 2030 - May 4, 2026

Industry Experience

Software & Internet, Financial Services, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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