Arnour Sabino
Summary
Engineering Manager with a strong foundation in software engineering, system design, and distributed architectures, built over years of leading complex technical initiatives across product, platform, and data-intensive environments.
Throughout my career, I have operated at the intersection of technology, people, and product, aligning technical direction with business goals, enabling reliable delivery, and fostering environments where teams can perform at a high level.
I bring extensive experience working with cross-functional stakeholders, defining technical direction, managing trade-offs, and evolving critical systems while maintaining high standards of quality, scalability, and resilience.
With a background as a Staff Engineer, I combine technical depth with a strong focus on team effectiveness, execution, and long-term sustainability.
Overview
12
12
years of professional experience
3
3
years of post-secondary education
Work History
Engineering Manager
SumUp
São Paulo, SP
11.2025 - Current
- Lead a cross-functional engineering team responsible for systems supporting critical operational and financial workflows
- Own team execution and technical direction, ensuring alignment between product goals, architectural decisions, and delivery timelines
- Partner closely with Product, Design, and Engineering to manage dependencies, prioritize initiatives, and drive outcomes
- Maintain active involvement in architectural discussions, leveraging strong technical background to guide decisions and ensure platform sustainability
Key Contributions
- Led the evolution of systems managing card reader rentals and operational data
- Improved reliability and observability across integrations related to billing, closing, and internal platforms
- Supported engineers’ growth through coaching, design reviews, and delivery planning
- Fostered a culture of ownership, clear communication, and continuous improvement
Staff Software Engineer
SumUp
São Paulo - SP
11.2024 - 11.2025
- Acted as technical lead within the team, balancing hands-on development with responsibility for architectural decisions and technical alignment
- Worked closely with product and business stakeholders to translate requirements into scalable and reliable solutions
- Supported delivery organization, prioritization, and execution to ensure predictable outcomes
Technical Contributions
- Designed and implemented systems for managing card reader rentals, centralizing operational and financial data
- Led integrations across internal platforms involving billing, closing, and operational routines
- Drove architectural improvements to reduce complexity and improve system maintainability
- Served as technical reference for the team, supporting decision-making and mentoring engineers
Founding Software Engineer
Tako
São Paulo - SP
03.2023 - 03.2024
- Contributed to building a product from concept to production, combining hands-on development with scope definition and execution alignment
- Collaborated with product, legal, and business stakeholders to ensure regulatory compliance and technical sustainability
Key Contributions
- Helped define product and technical direction in an early-stage environment
- Translated regulatory and business constraints into clear technical requirements
- Designed and implemented cloud-native solutions using AWS (Lambda, DynamoDB)
- Supported delivery by coordinating work and unblocking progress
Staff Software Engineer
Carta
Rio de Janeiro - RJ
06.2021 - 01.2023
- Operated as a senior technical leader with cross-team scope, balancing hands-on development with responsibility for technical direction and alignment
- Worked closely with product and business partners to formalize requirements and define sustainable solutions
Key Contributions
- Led technical design and development of a centralized support hub integrating internal and third-party tools
- Defined service boundaries, APIs, and architectural standards
- Contributed hands-on using Python, Django, TypeScript, and Kubernetes
- Supported legacy system migrations to improve quality and maintainability
- Mentored engineers and strengthened technical consistency across teams
Staff Software Engineer
Jusbrasil
Salvador - BA
09.2019 - 05.2021
- Worked in a Growth-focused environment where engineering decisions directly influenced product strategy
- Played a generalist role connecting engineering, product, and data
Key Contributions
- Developed components of an A/B testing and experimentation platform
- Built event collection and data processing pipelines using Kafka, Scala, and Python
- Contributed to data platform architecture decisions
- Supported data migrations and reliability improvements
Senior Software Engineer
Globo.com
Rio de Janeiro - RJ
08.2017 - 08.2019
- Maintained A/B testing platform at Globo.com as software developer, creating services and tools.
- Developed visualizations and processed captured data to enhance platform functionality.
- Implemented data processing pipelines for machine learning models as data engineer.
- Leveraged technologies including Scala, Python, Go Lang, and Apache Spark for project execution.
- Employed Big Query, Kafka, Hadoop, PostgreSQL, Airflow, and Azkaban for data management.
Software Engineer
B2W
Rio de Janeiro - RJ
04.2014 - 07.2017
- Engineered promotions engine to replace monolithic components and improve service efficiency.
- Developed coupon service for targeted discounts in marketing campaigns.
- Led development of services determining applicable discounts based on customer browsing context.
- Contributed to OKR discussion groups to shape strategic practices for global adoption.
- Utilized technologies including Java, Closure, Spring Boot, MongoDB, Apache Spark, and AWS Cloud architecture.
Education
MBA - Information Technology Management
Instituto Infnet
Rio De Janeiro 01.2026 - Current
Master of Science - Experimental Software Engineering
Pontifícia Universidade Católica
Rio De Janeiro03-2022
Associate Degree in Systems Analysis And Development - Information Technology
Instituto Infnet
Rio De Janeiro 10.2016 - 10.2019
Skills
- System design
- Software development
- Golang
- Python
- Java
- SQL and NoSQL
- Kafka
- Microservices
Timeline
MBA - Information Technology Management
Instituto Infnet
01.2026 - Current
Engineering Manager
SumUp
11.2025 - Current
Staff Software Engineer
SumUp
11.2024 - 11.2025
Founding Software Engineer
Tako
03.2023 - 03.2024
Staff Software Engineer
Carta
06.2021 - 01.2023
Staff Software Engineer
Jusbrasil
09.2019 - 05.2021
Senior Software Engineer
Globo.com
08.2017 - 08.2019
Associate Degree in Systems Analysis And Development - Information Technology
Instituto Infnet
10.2016 - 10.2019
Software Engineer
B2W
04.2014 - 07.2017
Master of Science - Experimental Software Engineering
Pontifícia Universidade Católica