Italo Aguiar do Nascimento Paulino

Software Engineer | C# .NET | Cloud | HPC

HPC Fintech Microservices Cloud Migration

Software Engineer with 4+ years building high performance scalable systems for financial markets and cloud platforms. Proven expertise in C# .NET Core, microservices architecture, and distributed systems with a track record of delivering critical applications.

italo1aguiar.principal@gmail.com | +33 6 20 81 94 30 | Paris, France

Professional Summary

Software Engineer with 4+ years building high performance scalable systems for financial markets and cloud platforms. Proven expertise in C#.NET Core, microservices architecture, and distributed systems with a track record of delivering critical applications.

Key Achievements

  • • 10x growth in transaction processing at XP Inc - scaled institutional trading platform from 500 to 5,000+ daily derivative transactions while maintaining sub-second latency
  • • IBM to ArmoniK migration - leading critical HPC transformation at Crédit Agricole CIB, migrating pricing operations from legacy IBM Symphony to cloud-native ArmoniK platform
  • • Open-Source Contributions - active contributor to ArmoniK project, developing enterprise-grade distributed computing solutions used by major financial institutions

Core Expertise

  • • Cloud migration & architecture (AWS, Azure)
  • • High-Performance Computing (HPC)
  • • Event-driven microservices, design patterns

Technical Skills

Core Languages

C# .NET
SQL
Golang

Cloud & DevOps

AWS (EC2, S3, Lambda, RDS, SQS, CloudFormation)
Azure
Kubernetes, Docker, Terraform, CI/CD

Architecture / Design Patterns

Microservices
Event-Driven Designs
Design Patterns
REST APIs, gRPC, DDD, CQRS, HPC

Data & Messaging

PostgreSQL, SQL Server, MongoDB
Redis, Apache Kafka, RabbitMQ
AWS SQS

Monitoring

Prometheus
Grafana

Professional Experience

Software Engineer - Pricing Global Markets

Crédit Agricole CIB

Aug 2024 - Present
  • • Foward deployment Engineer working on a HPC migration from IBM Symphony to ArmoniK platform for global markets pricing systems
  • • Technical liaison between CACIB and Aneo, managing cross-organizational communication
  • • Production debugging expert resolving complex distributed systems issues.
C#.NET Core AWS Kubernetes Docker HPC Financial Markets Distributed Systems

Software Engineer - HPC/Cloud

Aneo

Apr 2024 - Present
  • • Open-source development contributing to ArmoniK, a high-throughput compute grid for financial institutions
  • • SDK modernization developing user-friendly SDKs and APIs for ArmoniK platform adoption
  • • Cloud architecture designing scalable distributed computing solutions for enterprise workloads
C#.NET Core Kubernetes Docker gRPC Microservices Cloud Computing

Software Engineer

TotalEnergies Digital Factory

Nov 2023 - Apr 2024
  • • Cloud migration orchestrating Azure-to-AWS migration for EV charging SaaS platform
  • • DevOps implementation creating automated testing and deployment pipelines
C# ASP.NET Core PostgreSQL Terraform AWS Azure Microservices

Software Engineer III - Global Markets

XP Inc.

Oct 2021 - Oct 2023
  • • Product ownership end-to-end development of institutional transaction processing system
  • • Scalability achievement 10x growth in daily operations (500→5,000+ transactions) with 70% efficiency gain
  • • Architecture leadership managing 20+ microservices serving 100,000+ active clients
  • • Real-time processing implementing event-driven architecture using Apache Kafka
C# ASP.NET Core Apache Kafka RabbitMQ SQL Server MongoDB Azure

Education

Master of Engineering (MEng)

Data Analysis & Signal Processing

École Centrale de Nantes | 2019-2023

Eiffel Excellence Scholarship Laureate

Coursework:

  • • Statistics
  • • Machine Learning
  • • Optimization

Bachelor of Computer Engineering

Universidade Federal do Ceará | 2016-2023

Cum Laude - Double Degree Program

Coursework:

  • • Software Engineering
  • • Data Structures
  • • Algorithms
  • • Design Patterns

Get In Touch

Contact Information

italo1aguiar.principal@gmail.com
linkedin.com/in/italo1aguiar
github
+33 6 20 81 94 30
Paris, France

Languages & Leadership

Portuguese Native
English Professional C1 - Duolingo Certificate
French Professional C1 - TFI

Leadership & Availability

Technical mentoring
Open to software engineer opportunities at innovative technology companies starting in 2026