Tiago Sarri
NET ecosystem. nnI have extensive experience in application security and fraud prevention in the financial sector, plus cloud infrastructure on Azure and AWS.
About
I am a Senior Software Developer with 20+ years in IT, focusing on the .NET ecosystem. I specialize in C#, ASP.NET Core, .NET MAUI, and RESTful APIs, with a strong background in enterprise architecture, legacy-to-.NET migrations, and offline-first mobile development.\n\nI have extensive experience in application security and fraud prevention in the financial sector, plus cloud infrastructure on Azure and AWS. I have led cross-functional teams on international projects across Mexico and the United States, delivering robust, scalable solutions while mentoring teams to adopt best practices.
- 18 years' experience
- Joined July 2025
Industry experience
- Software & Internet
- Manufacturing
- Financial Services
- Transportation & Logistics
- Professional Services
- Computers & Electronics
More experts in Sao Paulo, Brazil
- App Developers for hire in Sao Paulo, Brazil
- Back-End Developers for hire in Sao Paulo, Brazil
- Developers for hire in Sao Paulo, Brazil
- Front-End Developers for hire in Sao Paulo, Brazil
- Full Stack Developers for hire in Sao Paulo, Brazil
- Programmers for hire in Sao Paulo, Brazil
- Web Developers for hire in Sao Paulo, Brazil
Work experience· 7 roles
Led system upgrades to the latest .NET Core versions, optimizing security, performance, and maintainability. Managed large-scale HangFire job processing efficiently, dealing with over 250,000 jobs. Developed and maintained complex SQL queries and database management with SQL Server, Oracle, and MongoDB handling millions of IoT records. Built Angular dashboards for real-time data visualization. Designed and deployed RAT Digital, an offline-capable technician app with digital signatures. Developed high-volume APIs for technician apps and IoT data monitoring. Implemented ITIL practices and project management tools like Trello, enhancing development workflows and team collaboration. Coordinated cross-border development projects involving teams from Mexico and the United States.
Collaborated with large enterprise clients such as Votorantim, Gol, Bradesco, and Fiat on digital transformation projects. Designed and implemented solutions using C#, PHP, ASP.NET Core, Xamarin, Angular, RESTful APIs, and SharePoint tailored to client requirements. Analyzed stakeholder needs, defined architectures, and provided accurate technical estimates. Delivered custom integrations and automations improving operational efficiency by up to 30%. Applied ITIL methodologies to refine development workflows and fostered continuous technological innovation. Ensured quality via code reviews, automated testing, and best practices.
Managed end-to-end IT operations aligning technology initiatives with business goals. Spearheaded migration from SVN to Git, improving development speed and collaboration. Introduced modern frameworks and cloud platforms including AWS and Azure, cutting costs and increasing scalability. Led strategic projects for process optimization and system integration delivered on time and budget. Enforced ITIL practices enhancing incident management and response times by 20%. Structured teams into dedicated support and development squads with workload rotation. Mentored and directed the IT team, encouraging ongoing learning and clear objectives.
Education
Certifications and awards· 10
Hire Tiago Sarri today
Post a job and invite Tiago, or contact them directly. No hidden commission.