Matheus Costa Vieira

São Paulo - SP - Brazil

Phone: +55 41 9 88024599

Email: matheus.costa.vieira@gmail.com

LinkedIn: LinkedIn Profile

Professional Summary

Senior Software Engineer with 16+ years of experience in designing, developing, and maintaining scalable and high-performance systems. Strong expertise in .NET ecosystem, cloud solutions on Azure, front-end frameworks, and software architecture best practices. Proven track record in leading technical teams, creating reusable libraries, optimizing CI/CD pipelines, and delivering user-centric solutions with automated testing and observability in mind.

Professional Experiences

Senior Software Engineer

End2End Systems - - Actual

Main responsibilities and achievements:

  • Designed and delivered cloud-native systems on Azure (.NET, Functions, Event Grid), driving clients' digital transformation.
  • Reduced system response times from 5 minutes to under 3 seconds, improving customer satisfaction and operational efficiency.
  • Migrated monolithic systems to microservices, increasing scalability by 70% and improving fault tolerance.
  • Automated CI/CD pipelines, reducing deployment time by 60% and eliminating manual errors.
  • Led technical workshops and mentoring, elevating clients’ engineering maturity and DevOps practices.

Senior Software Engineer

Dell Computadores do Brasil LTDA - -

Main responsibilities and achievements:

  • Architected and developed a global address system supporting multiple countries with 24/7 availability, handling thousands of daily requests across internal systems.
  • Led the complete rewrite of a 10+ year legacy system, implementing flexible architecture using SOLID principles to support multi-country operations without impacting existing functionality.
  • Designed reusable NuGet packages for rule engines and microservices integration, reducing code duplication by 40% and enabling rapid deployment of country-specific business rules.
  • Implemented hybrid data architecture using Oracle + Elasticsearch, achieving optimized caching strategies and sub-200ms response times for address validation services.
  • Successfully migrated applications from private cloud to Kubernetes, improving scalability and resilience while establishing CI/CD practices and comprehensive monitoring with ELK Stack.

Senior Software Engineer

GFT Brasil - -

Main responsibilities and achievements:

  • Migrated critical batch ingestion pipelines to event-driven microservices, boosting throughput by 50%.
  • Achieved 85%+ automated test coverage, drastically reducing bugs in production.
  • Improved frontend performance and UX by optimizing AngularJS clients integrated with .NET APIs.

Senior Software Engineer

Avenue Code - -

Main responsibilities and achievements:

  • Improved API response times by 30%, enhancing the scalability of large-scale integration platforms.
  • Implemented secure authentication with JWT and Azure Active Directory, increasing platform security and compliance.
  • Designed and implemented integration patterns between microservices, ensuring reliability, scalability, and consistency across distributed systems.

Senior Software Engineer

Wipro Limited - -

Main responsibilities and achievements:

  • Architected APIs supporting millions of daily transactions, improving credit card refund processes' reliability.
  • Enhanced system resiliency with robust error handling and scaling patterns in Java and .NET environments.
  • Designed integration flows between microservices, enabling seamless communication, data consistency, and fault tolerance across distributed systems.

Education

Embedded Systems and Internet of Things - UP - Universidade Positivo ( - )

Software Engineer And Systems Architecture - UNESA - Universidade Estácio de Sá ( - )

Bachelor in Information Systems - UP - Universidade Positivo ( - )

Languages

Portuguese: Native

English: Advanced

Spanish: Intermediate

German: Intermediate

Certifications & Courses

DOJO Toolkit 1.9 Fundamentals, User Interface Concepts & Architecture - SitePen ( - )

Information Architecture - Aldeia Coworking ( - )

HTML5 Overview Workshop Course - Aldeia Coworking ( - )

Developing Web Applications With MS VS 2010 - TechResult IT Solutions ( - )

Core Competencies

  • Backend Development: .NET 8, .NET Core, Entity Framework Core, C#, Java, VB.NET, Python, COBOL, Delphi
  • Frontend Development: AngularJS, ReactJS, VueJS, KnockoutJS, JavaScript, HTML5, CSS3, Bootstrap
  • Cloud & DevOps: Azure (Functions, Durable Functions, Event Grid, SQL Databases, Blob Storage, Active Directory, AI Search), CI/CD (GitHub Actions, Azure Pipelines)
  • Databases: SQL Server, Oracle, MongoDB, Elasticsearch
  • Messaging & Caching: RabbitMQ, Redis
  • Testing & Quality: Unit Testing, Automated Testing, Design Patterns, SOLID Principles, GRASP
  • Observability: Serilog, ELK Stack, Application Insights
  • Version Control: Git, GitLab, TFS, SVN