Open to opportunities

Leonardo Luis dos Santos

@leonardoluisdossantos

I architect scalable ERP, financial, and delivery platforms with C#/.NET, SQL Server, and modern full-stack technologies.

Brazil

Message

What I'm looking for

I'm looking to architect and deliver scalable software solutions, lead technical teams, and turn business requirements into practical systems using modern .NET and full-stack technologies.

Software Engineer and Technical Lead with 19 years of experience in IT, specializing in designing robust architectures and scalable solutions within the .NET (C#) and SQL Server ecosystem.

My work bridges business vision and technical excellence, with extensive experience in mission-critical systems, ERP platforms, and financial management. Throughout my career, I have led multidisciplinary technical teams, applying software engineering best practices (Clean Architecture, DDD, microservices) to deliver resilient, high-performance software.

Key Competencies:

• Architecture & Backend: C# / .NET, SQL Server, REST APIs, Microservices, Clean Architecture, DDD.

• Leadership & Delivery: Technical squad management, mentoring, stakeholder alignment, and requirements refinement.

• Business Domains: ERP systems, financial solutions, and integration of complex corporate ecosystems.

Always open to connecting and exchanging insights on software architecture, innovation, and technical leadership.

Experience

Work history, roles, and key accomplishments

Current

Software Architect

Current

Rocha Digital Intelligence - RDI

Nov 2023 - Present (2 years 10 months)

Led software architecture design and development for the Scrap Control system, establishing technical direction and best practices. Managed and mentored the development team while defining system scope and technical requirements.

ASP.NET C#SQL Server Blazor

Software Developer

Mottu Tecnologia

Nov 2021 - Nov 2023 (2 years)

Developed backend services and microservices for the Mottu Entregas delivery platform and Attendance system using ASP.NET and C#. Built full-stack solutions with Angular frontend interfaces and implemented containerized microservices using Docker and Kubernetes.

ASP.NET C#SQL Server Angular TypeScript Docker Kubernetes PostgreSQL Blazor NestJS

Systems Manager

Centro universitário Unihorizontes

Aug 2013 - Sep 2018 (5 years 1 month)

Managed internal systems infrastructure and technology assets for the institution. Implemented and trained staff on system deployments, network infrastructure, and information security.

Linux Active Directory SAMBA

General Manager

Associação dos Moradores do Residencial Veredas das Geraes

Jun 2010 - Jul 2013 (3 years 1 month)

Managed administrative and financial operations including cash flow control, billing, and bank reconciliation. Led an administrative team of 20 people.

ERP Linux

Technology Consultant

ISEIB

Oct 2008 - Apr 2010 (1 year 6 months)

Implemented academic management system and managed IT infrastructure including backups and firewall configuration. Trained users and managed IT outsourcing contracts.

Linux SAMBA Zabbix Active Directory

Systems Analyst

Faculdade da Saúde e Ecologia Humana (FASEH)

Apr 2004 - Aug 2008 (4 years 4 months)

Developed ERP web applications in ASP and managed Windows Server 2003 domain implementation. Managed IT infrastructure, contracts, and backup systems.

ERP ASP