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I am a software engineer with a passion for building scalable, maintainable systems. I specialize in designing microservices-driven architectures for financial services, applying Domain-Driven Design to align technology with real business needs and enable long-term extensibility. I thrive in collaborative environments, love mentoring junior developers, and continuously pursue learning—most recently completing a postgraduate certificate in mobile application development with honors. I enjoy sharing knowledge, improving team processes, and delivering measurable impact across engineering, product, and operations.…I am a software engineer with a passion for building scalable, maintainable systems. I specialize in designing microservices-driven architectures for financial services, applying Domain-Driven Design to align technology with real business needs and enable long-term extensibility. I thrive in collaborative environments, love mentoring junior developers, and continuously pursue learning—most recently completing a postgraduate certificate in mobile application development with honors. I enjoy sharing knowledge, improving team processes, and delivering measurable impact across engineering, product, and operations.

Claudio Schirmer Guedes

Full Stack Developer, Web Developer, Front-End Developer, +2

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I am a software engineer with a passion for building scalable, maintainable systems. I specialize in designing microservices-driven architectures for financial services, applying Domain-Driven Design to align technology with real business needs and enable long-term extensibility. I thrive in collaborative environments, love mentoring junior developers, and continuously pursue learning—most recently completing a postgraduate certificate in mobile application development with honors. I enjoy sharing knowledge, improving team processes, and delivering measurable impact across engineering, product, and operations.…I am a software engineer with a passion for building scalable, maintainable systems. I specialize in designing microservices-driven architectures for financial services, applying Domain-Driven Design to align technology with real business needs and enable long-term extensibility. I thrive in collaborative environments, love mentoring junior developers, and continuously pursue learning—most recently completing a postgraduate certificate in mobile application development with honors. I enjoy sharing knowledge, improving team processes, and delivering measurable impact across engineering, product, and operations.

Available to hire

I am a software engineer with a passion for building scalable, maintainable systems. I specialize in designing microservices-driven architectures for financial services, applying Domain-Driven Design to align technology with real business needs and enable long-term extensibility.

I thrive in collaborative environments, love mentoring junior developers, and continuously pursue learning—most recently completing a postgraduate certificate in mobile application development with honors. I enjoy sharing knowledge, improving team processes, and delivering measurable impact across engineering, product, and operations.

Skills

Experience Level

Expert

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Intermediate

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Intermediate

Work Experience

Senior Software Engineer – Full Stack at eSales

January 1, 2017 - Present

Designed and implemented a reusable Kotlin-based microservices framework featuring JWT security, HTTP client architecture, exception handling, DDD base classes, multi-language support, a standardized execution pipeline, logging/auditing extensions, and unified error notification. Adopted across 12+ microservices, the framework accelerated the implementation of new services by 70% through dozens of Kotlin extension functions, including report exporting methods, and streamlined onboarding for new developers by enforcing team-wide code conventions and standardization. Architected scalable microservices in Kotlin and Java to integrate banking systems with ERP platforms, enabling real-time interoperability and supporting national transaction volumes. Implemented and optimized relational databases using PostgreSQL and SQL Server, improving query performance by an average of 30% and ensuring data consistency across distributed microservices. Led training and onboarding for 10+ interns, and de

Development Team Lead at GX2 Tecnologia

January 1, 2014 - December 31, 2016

Coordinated project priorities using Agile methodologies, optimized sprint planning and backlog management, resulting in a 35% increase in delivery predictability and better alignment with business goals. Reviewed 100+ code submissions, mentored developers, and promoted engineering best practices, achieving a 20% reduction in critical bugs. Designed and developed RESTful APIs with model-driven automation for Java and C# services, reducing boilerplate by 30% and accelerating feature delivery across distributed teams. Led cross-platform mobile development for Android and iOS, consolidating codebases into a shared architecture, and built responsive web interfaces with HTML, CSS, JavaScript, and jQuery, improving user engagement by 15% as measured with Google Analytics.

Full-Stack Developer at Heurys Tecnologia

January 1, 2010 - December 31, 2013

Developed web applications in C#, ensuring reliable deployment and zero downtime during production releases on IIS; designed and implemented relational databases with MySQL and SQL Server to improve data integrity and performance; maintained custom JavaScript UI libraries, enhancing interactivity and responsiveness.