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Jonathan Peris

Software Engineer·.NET & Azure

jperis.silva@gmail.comItanhaém, São Paulo, Brazilgithub.com/jonathanperislinkedin.com/in/jonathan-peris

Summary

Software Engineer with 12+ years of experience specializing in .NET and Fintech solutions. Proven track record architecting and delivering high-impact, enterprise-grade software. Expertise centered on the modern .NET ecosystem including .NET Core+, ASP.NET Core, Entity Framework, and MAUI. Deeply committed to engineering excellence with CQRS, DDD, Microservices, Hexagonal Architecture, and Cloud-Native principles. Strong DevOps background with Azure, Docker, and CI/CD pipelines.

Technical Skills

Programming
C#, Rust, Go, Python, TypeScript, JavaScript
Backend
.NET Core+, ASP.NET Core, Entity Framework, MAUI, Blazor
Architecture
CQRS, DDD, Microservices, Hexagonal, Clean Architecture, SAGA Pattern
Cloud & DevOps
Azure, Azure DevOps, Docker, Kubernetes, CI/CD
Databases
SQL Server, PostgreSQL
Frontend
Blazor, React, Next.js, Angular

Experience

Software Engineer·Derivative Path

Jul 2023 — Present

New York, US · Remote

  • Software Engineer on the CAAR team, focused on developing and refining the General Ledger, Hedge Accounting, and Fiscal Calendar modules for the DerivativeEDGE platform, which manage billions in notional value.
  • Enabling clients to achieve streamlined financial reporting, accurate hedge accounting, and efficient fiscal period management.

Stack: C#, .NET 8, SQL Server, CQRS, Azure DevOps, Clean Architecture

Principal .NET Developer·T-Systems do Brasil

Feb 2023 — Jul 2023

São Bernardo do Campo, BR · Remote

  • Spearheaded the critical platform and architecture migration of SGP Eletrônica — vital software for mapping and parameterization of Electronic Control Units (ECUs) within Mercedes-Benz trucks and buses.
  • Ensured seamless transition while modernizing architecture and enhancing capabilities for advanced automotive diagnostics.

Stack: C#, ASP.NET Core, Blazor, Entity Framework, Azure, SQL Server

Software Engineer·KnowFully Learning Group

Jun 2021 — Feb 2023

Radnor, PA, US · Remote

  • Drove full-cycle development of the ExamReview platform — backend services, infrastructure, and mobile.
  • Engineered the CMS delivering educational materials to thousands of students via LMS.
  • Built the Admin platform for access control and hierarchy structuring.
  • All platforms on Azure with Microservices, CQRS, and full test coverage.

Stack: C#, Azure, Microservices, CQRS, Xamarin, Azure DevOps

DevOps Engineer·XP Inc.

Jan 2021 — Jun 2021

Miami, FL, US · Remote

  • Ensured reliability of international wire transfers within XP Inc.'s international accounts group.
  • Maintained and enhanced monitoring processes for Brazil-US fund transfers, managing Azure infrastructure and .NET Core microservices leveraging SAGA patterns and message queues for transactional consistency.

Stack: Azure, .NET Core, Docker, SAGA Pattern, RabbitMQ, CI/CD

Principal .NET Developer·T-Systems do Brasil

Dec 2019 — Jan 2021

São Bernardo do Campo, BR

  • Led design and development of key internal applications in Agile/Scrum.
  • Engineered T-Atendo (helpdesk for Mercedes-Benz factory workers), Multi Manager (resource booking for on-site assets), and T-Entrego (corporate gift distribution platform).
  • All built with .NET Core, Azure, and microservices.

Stack: C#, .NET Core, Azure, Microservices, REST API, Scrum

Senior .NET Developer·T-Systems do Brasil

Sep 2018 — Dec 2019

São Bernardo do Campo, BR

  • Built specialized applications for factory operations and corporate functions.
  • Developed mileage control systems for Mercedes-Benz trucks and maintained institutional and intranet applications for internal communication and processes.

Stack: C#, .NET Framework, SQL Server, Azure DevOps, JavaScript, MVC

.NET Developer·5A Attiva / Amil (UnitedHealth Group)

May 2017 — Sep 2018

São Paulo, BR

  • Developed hospital internal control applications and proof of concept projects. 5A Attiva maintains all internal Amil clinical systems in hospitals and clinics across Brazil.

Stack: C#, ASP.NET MVC, SQL Server, Entity Framework, Healthcare

.NET Developer·Sonda IT / Leroy Merlin

Oct 2015 — May 2017

São Paulo, BR

  • Developed the second version of the label generation system for all Leroy Merlin stores and expanded the business operations management system.
  • SONDA is a leader in systems integration and IT services in Latin America.

Stack: C#, ASP.NET MVC, Angular, Web API, SQL Server

.NET Developer·Conecta Serviços

May 2013 — Sep 2015

São Paulo, BR

  • Developed insurance sales applications for major insurers including Zurich, Assurant, Mapfre, and Cardiff.
  • Built integration with SIGEP WEB (Post Office) for ticket issuance and object returns.

Stack: C#, ASP.NET Web Forms, WCF, SQL Server, API Integration

Tech Support Professional·Sabesp

Aug 2011 — Apr 2013

Diadema, BR

  • Technical support for the state water supply and sanitation company.
  • Configured Active Directory, virtual machines, LDAP, and managed backup contingency.
  • Participated in development of the company's process system.

Stack: Active Directory, Windows Server, LDAP, VMware, Networking

Education

Bachelor of Technology (BTech) — System Analysis and Development

2011 — 2013

UNIESP — União das Instituições Educacionais do Estado de São Paulo

Foundational degree providing comprehensive knowledge in system analysis, software design, and development methodologies.