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Marcelo Tonossu

@marcelotonossu

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Java/Kotlin developer with experience in Spring Framework, microservices, and scalable systems.

Portugal

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I am a passionate and results-driven software engineer with experience in designing, developing, and deploying scalable backend systems and microservices. Skilled in Java and Kotlin, I specialize in building secure, high-performing applications that deliver exceptional user experiences.

Experience

Work history, roles, and key accomplishments

Current

Kotlin Backend Developer

Current

Volkswagen Group Services

Apr 2022 - Present (3 years 1 month)

Developed and maintained Kotlin Spring Boot services and RESTful APIs for trucks updates OTA using agile methodologies. Led programming and testing efforts, conducted code reviews, and maintained cloud-native microservices utilizing AWS services.

Kotlin Spring Boot RESTful APIs AWS Apache Kafka Agile Scrum Microservices Event Streaming Code Review

Java/Cobol Developer

Itaú Unibanco

Sep 2017 - Oct 2021 (4 years 1 month)

Developed and maintained COBOL and Java Spring Boot applications, ensuring functionality and performance. Conducted code reviews, facilitated communication between project teams and customers, and contributed to the transition from waterfall to Agile frameworks.

Java COBOL Spring Boot Agile Data Modeling Functional Specifications Database Design Client Communication Project Management Code Review

Fullstack C#/Web Developer

P&N

Feb 2017 - Sep 2017 (7 months)

Designed and developed Web Forms using ASP.NET, CSS, and HTML. Implemented business logic in C# and developed SQL Server database objects to support application functionality.

C#ASP.NET SQL Server HTML CSS AJAX Web Forms Business Logic Database Development User Experience

Fullstack C#/Web Developer

Pago Cartões

Jun 2016 - Jan 2017 (7 months)

Developed and maintained C# web applications, designed responsive user interfaces, and implemented server-side logic and API integration using ASP.NET and .NET Core.

C#ASP.NET .NET Core HTML CSS JavaScript API Integration MVC User Interface Design Web Development

Cobol Developer

Todo!

Nov 2012 - Jun 2016 (3 years 7 months)

Designed and developed COBOL programs, maintained complex mainframe systems, and provided post-implementation support. Managed team communication and optimized performance by tuning DB2 queries.

COBOL IMS DB JCL MFS CICS DB2 Performance Tuning Team Management Requirements Gathering Post Implementation Support

Education

Degrees, certifications, and relevant coursework

FIAP

Master of Business Administration, Digital Business

2020 -

Different knowledge domains as a manager responsible for the digital transformation inside a organization. Topics like business strategy, models, change requests, methodologies and tools to instigate a more agile and helpful organization environment.

FATEC

Bachelor of Technology, System Analysis and Development

2011 - 2015

Analyse, project, document, specify, test, implement and maintain computational information systems. Managing tools and alikes. project methodologies to produce systems.