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Mariana Moreira

@marianamoreira1

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Software developer at Santander who maintained REST APIs and contributed to Mobills IA and Open Finance.

Brazil

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At Santander, I maintained and evolved RESTful APIs with C# and Dapper for the PFM team, applying SOLID and CQRS practices.

I also contributed to the evolution of Mobills IA, a Spring Boot financial assistant that uses artificial intelligence to make expense management more intuitive, and to Open Finance implementation.

At DevLand, I developed .NET APIs for internal projects focused on customer experience, using SOLID, Clean Code, and SQL Server. I also worked with Git, Azure DevOps, and CI/CD pipelines.

As a freelance web developer, I create and maintain custom WordPress sites for small businesses, handling site and email migrations, hosting, and technical support. Earlier, I developed WordPress templates at Suppersites and volunteered on full-stack development with Spring Boot and React at Recode.

Experience

Work history, roles, and key accomplishments

Current

Desenvolvedora Web

Current

Freelancer

Jan 2022 - Present (4 years 9 months)

Created custom WordPress websites for small businesses, focusing on performance, SEO, and user experience. Managed the full project lifecycle including maintenance, migrations, hosting, and technical support.

WordPress SEO Performance Optimization Web Development Hosting Management

IT Analyst I

Santander

Aug 2025 - Oct 2026 (1 year 2 months)

Maintained and evolved RESTful APIs using C# and Dapper, applying SOLID and CQRS principles. Contributed to the Mobills IA (Spring Boot) and implemented Open Finance integrations.

C#Dapper REST APIs SOLID CQRS Spring Boot Open Finance

Desenvolvedor Trainee

DevLand

Jul 2024 - Mar 2025 (8 months)

Developed RESTful APIs with .NET (C#) in internal projects, applying SOLID and Clean Code. Performed queries and data organization in SQL Server and participated in technical decisions.

.NET C#REST APIs SOLID Clean Code SQL Server Git Azure DevOps CI CD

Desenvolvedor FullStack

Recode

Apr 2024 - Jul 2024 (3 months)

Worked on fullstack development with Spring Boot and React. Served as squad representative, facilitating communication between the team and supervisor for effective deliveries.

Spring Boot React Fullstack Development Communication Skills

Estagiário

Suppersites

Mar 2021 - Sep 2021 (6 months)

Created WordPress templates using advanced plugins like ACF. Managed hosting and executed migrations of sites and institutional emails. Provided customer support and organized tasks using Pipefy and Trello.

WordPress ACF Hosting Management Migration Customer Support Pipefy Trello