Hi, I'm

Rodrigo Souza

Senior Full-Stack Developer & Cloud Solutions Architect

Transforming ideas into scalable digital products with over 20 years of experience. Specializing in C#, Python, React, and various architectures. Ready to build something incredible together.

✨ 20+ Years Experience•50+ Projects Delivered

C#.NETPythonReactDockerAzure

View Resume

About Me

👋Hey 👋

I'm a software engineer with over 20 years of experience, passionate about transforming ideas into robust and scalable digital solutions. Since I was 17, I've worked on various stages of software development, consolidating technical skills in C#, Python, and React, as well as experience with modern architectures, especially with Microsoft Azure products.

Throughout my career, I've worked on numerous projects for clients across different segments, which has given me a great ability to learn and apply modern technologies and work processes quickly. This experience allows me to adapt solutions according to the specific needs of each project, always striving for innovation and efficiency.

The advancement of artificial intelligence is redefining the role of the software engineer, requiring constant adaptation and a mindset open to continuous learning. I strive to incorporate innovative and secure practices, fostering collaborative, transparent environments that value autonomy, especially to support the growth of younger professionals.

Technology

I stay up to date with industry trends, exploring new technologies and integrating AI solutions that boost results.

Quality

Committed to delivering high-quality products with focus on efficiency and cutting-edge solutions.

Innovation

I see challenges as opportunities to innovate and improve processes, always prioritizing clarity and security.

Experience

Present

Senior Software Engineer

Remote

Mar 2020 - Present

Architect and develop scalable backend services and microservices for enterprise financial, billing, and payment platforms using C#, .NET Framework, and .NET Core on Windows and Linux.

Achievements

Design event-driven workflows with Azure Service Bus queues and topics across payment processing pipelines
Build RESTful APIs with ASP.NET Core Web API, OAuth 2.0, and JWT for secure microservice and third-party integrations
Optimize T-SQL stored procedures, indexes, partitioning, and execution plans for high-volume billing reconciliation
Reduced a critical batch pipeline from 26 hours to under 2 hours through refactoring, TPL Dataflow/async-await, and SQL tuning
Lead architecture decisions, code reviews, and adoption of Clean Architecture, DDD, SOLID, and TDD across distributed teams
Author xUnit tests with Moq and integrate SonarQube quality gates into CI pipelines
Implement structured logging and distributed tracing with Serilog and Azure Application Insights
Maintain CI/CD pipelines in GitLab CI and Azure DevOps; automate deployments with Terraform and ARM templates
Build workflow automations with n8n and NocoBase for support and CRM integrations

Technologies

C#.NET Framework.NET CoreASP.NET Core Web APISQL ServerT-SQLAzure Service BusAzure FunctionsAzure DevOpsOAuth 2.0JWTSerilogApplication InsightsxUnitMoqSonarQubeTerraformGitLab CIn8nNocoBase

Present

Independent Consultant & Founder

RS Technology Group LLC · RS Consultoria

I operate through both entities listed above — RS Technology Group LLC (United States) and RS Consultoria (Brazil). Fleet on Sight and Equilibrahq are independent products.

Remote

Jun 2020 - Present

Independent consulting and building software through those companies. Ownership and engineering for two independent products in production with paying customers: Fleet on Sight (fleet telemetry) and Equilibrahq (multi-tenant financial SaaS).

Achievements

Fleet on Sight: .NET 10 microservices processing IoT events via RabbitMQ with retry, dead-letter, and back-pressure patterns
Hangfire for recurring telemetry rollups and scheduled jobs; PostgreSQL schemas optimized for time-series vehicle data
Angular/TypeScript operations front-end; OpenTelemetry for tracing, metrics, and logs; Azure DevOps CI/CD on DigitalOcean
Equilibrahq: polyglot backend (C#/.NET Core auth API + Python financial API) with dedicated MySQL databases
OFX parsing and bank-reconciliation engine; hierarchical chart of accounts with multi-tenant isolation
React/TypeScript PWA with cookie-based auth; Cash Flow (DFC) reporting over configurable periods
n8n orchestration for notifications; GitHub Actions CI/CD on owned Linux infrastructure

Technologies

C#.NET Core.NET 10PythonReactTypeScriptAngularRabbitMQHangfirePostgreSQLMySQLOpenTelemetryDockerGitHub ActionsAzure DevOpsDigitalOceann8nNext.js

2023

Senior Software Engineer

Oby Pagamentos (ED Group)

Remote

Feb 2023 - Nov 2023

Modernized the payments platform by migrating legacy ASP.NET MVC modules to React + TypeScript backed by .NET Core microservices on Azure.

Achievements

Migrated legacy MVC modules to a React + TypeScript front end exposed through Azure API Management
Designed and developed a cross-platform mobile app with .NET MAUI for billing and payments on iOS and Android
Integrated Azure Functions, Service Bus, Cosmos DB, Logic Apps, and Azure AD for transactional integrity
Implemented Service Bus topics and subscriptions for billing notifications and payment status fan-out

Technologies

ReactTypeScript.NET Framework.NET Core.NET MAUIAzure API ManagementAzure FunctionsAzure Service BusCosmos DBLogic AppsAzure ADSQL Server

2020

Cloud Engineer Consultant

4MS Tech

Brazil

Jan 2019 - Feb 2020

Led Microsoft Azure cloud migration projects for enterprise customers, designing target architecture and IaC rollouts with minimal downtime.

Achievements

Authored Terraform modules and ARM templates for resource groups, networks, App Services, Azure SQL, and Service Bus
Designed event-driven integrations with Azure Service Bus between migrated workloads and on-premises systems
Refactored monolithic .NET apps into microservices on App Services and Azure Functions
Implemented API gateways with Azure API Management, OAuth 2.0, JWT, throttling, and rate limiting
Built multi-stage YAML CI/CD pipelines in Azure DevOps
Configured Application Insights and Log Analytics with Serilog structured logging
Optimized SQL Server / Azure SQL through index tuning, partitioning, and stored-procedure rewrites
Documented runbooks and trained customer engineering teams on Azure and DevOps practices

Technologies

Microsoft AzureTerraformARM TemplatesAzure DevOpsAzure API ManagementAzure Service BusAzure FunctionsAzure SQLApplication InsightsSerilogOAuth 2.0JWT

2020

Senior .NET Developer

Add Technologies

Brazil

Nov 2011 - Feb 2020

Designed billing, premium calculation, and payment reconciliation modules for a major life insurance company using C#, .NET Framework, and .NET Core.

Achievements

Built distributed backend services communicating asynchronously through Azure Service Bus
Implemented REST APIs with ASP.NET Web API and ASP.NET Core secured with OAuth 2.0 and JWT for B2B bank integrations
Applied DDD and TDD with NHibernate and Dapper against IBM DB2 and SQL Server
Authored complex T-SQL procedures, views, triggers, and indexes for monthly batch reconciliation cycles
Wrote xUnit and Moq tests with SonarQube quality gates in build pipelines
Maintained CI/CD in GitLab and Jenkins for deployments to IIS and Linux hosts
Refactored a legacy ASP.NET MVC monolith into modular services with clear domain boundaries

Technologies

C#.NET Framework.NET CoreASP.NET Web APINHibernateDapperIBM DB2SQL ServerAzure Service BusOAuth 2.0JWTDDDTDDxUnitMoqSonarQubeGitLab CIJenkins

2011

Senior Systems Analyst

Alterdata Software

Brazil

Apr 2003 - Oct 2011

Designed accounting automation software for thousands of SMBs, covering payroll, fiscal, and tax modules on Delphi and relational databases.

Achievements

Architected a database migration tool importing legacy accounting data from competing systems into PostgreSQL and SQL Server
Developed Windows desktop applications with Delphi 7, Nexus DB, PostgreSQL, and SQL Server
Wrote complex T-SQL and PL/pgSQL stored procedures, triggers, and views for high-volume transactions
Designed normalized multi-tenant schemas and optimized indexes for nationwide deployments
Built ETL routines for importing and exporting data between accounting platforms
Mentored junior developers and provided third-line production support with debugging and database tuning

Technologies

Delphi 7Nexus DBPostgreSQLSQL ServerT-SQLPL/pgSQLETL

20+

Years of Experience

Companies

50+

Projects Delivered

Skills

Technologies I work with

Programming Languages

Frameworks & Libraries

.NET Framework

20+

Years of Experience

50+

Projects Completed

48+

Technologies

100%

Dedication

Featured Projects

ReactDockerVisual Studio CodeLinuxDigital OceanGitLab

Live Demo

n8n Automation Platform

2025

Dedicated automation environment to orchestrate enterprise workflows, LLM integrations, multi-channel notifications, and customer service through intelligent automations. Also used to design and validate automation solutions for consulting engagements. Infrastructure built to scale automation projects with reliability and continuous improvement.

Tech Stack:

n8nDigital OceanDockerLinux

Other Projects

These are just a few examples. Over the years I've worked on many other projects that aren't listed here, whether because of client confidentiality or because they're not meant for public showcase.

E-SIM Platform

Digital SIM card management platform for telecommunications providers, enabling remote SIM provisioning and lifecycle management.

AzureC#.NET FrameworkSQL Server+1

SPE - Performance Optimization

Critical optimization of the Planning and Execution System (SPE), reducing execution time from 26 hours to 2 hours with 3x more data processed.

Visual StudioC#.NET FrameworkSQL Server+1

Let's work together

I'm always interested in exciting work opportunities. If you have a project in mind, let's talk!

Contact Information

E-mail

drigocsouza@gmail.com

Phone

+1 (407) 873-0305

Location

Orlando, FL, USA