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Leandro Siqueira

@leandrosiqueira

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Software Engineer transitioning to AI, focusing on Prompt Engineering, Deep Learning, and Python.

Brazil

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What I'm looking for

I'm seeking a role that allows me to leverage my expertise in software development while transitioning into AI and Deep Learning. I am particularly interested in positions that involve Prompt Engineering, machine learning model development, and the application of AI to solve complex problems.

Over the course of my career, I have developed a deep proficiency in software development, with a focus on backend technologies, particularly C# and Python. My experience spans roles as a Full Stack Developer and Back-End Developer, where I've led projects that optimized performance and implemented scalable solutions. Recently, I have been channeling my efforts towards the burgeoning field of Artificial Intelligence, with a particular interest in Prompt Engineering and Deep Learning.

I am currently expanding my skill set to include AI-driven technologies, aiming to integrate these innovations into practical solutions that drive business value. My background in clean code practices, cloud computing, and software architecture provides a solid foundation for this transition. By blending my expertise in traditional software engineering with emerging AI technologies, I am excited to tackle new challenges and contribute to the advancement of intelligent systems.

This pivot is fueled by a passion for learning and a desire to be at the forefront of technological evolution. As I move into the AI landscape, I am focused on harnessing the power of machine learning models and natural language processing to create impactful solutions. My commitment to continuous growth and knowledge sharing remains unwavering, as I seek to contribute meaningfully to this dynamic field.

Experience

Work history, roles, and key accomplishments

AWS Technical Trainer

Escola da Nuvem

Apr 2023 - Aug 2024 (1 year 4 months)

Trained over 200 professionals for the cloud computing market, focusing on AWS certifications. Led the AWS re/Start program, helping 85% of participants secure cloud-related roles.

AWS Cloud Computing Training Cloud Certifications AWS Services Python

Full Stack Developer

Joane Personalizados

Nov 2022 - Mar 2023 (4 months)

Optimized the infrastructure and front-end of a CRM system using Vue.js, ASP.NET Core (C#), and SQL Server, improving page load times by 42% and database performance by 28%. Implementing automated tests with xUnit and Jest, I ensured robust coverage. Automated deployments and backups with Docker, creating CI/CD pipelines that reduced deployment time by 40%.

Vue.Js ASP.NET Core SQL Server .NET Core CI CD

Front-End Developer

Centro Universitario FAMINAS

May 2022 - Nov 2022 (6 months)

I optimized an academic management system using Angular, improving performance by 35%. I applied advanced strategies like OnPush and manual change detection to optimize data updates, reducing operational costs by 22%, and enhancing form and table performance for smoother user experience.

TypeScript PHP Angular

IT Instructor (Freelance)

DlteC do Brasil

Apr 2015 - Oct 2022 (7 years 6 months)

I developed and delivered online Linux and ITIL certification courses, reaching over 1,000 students. Using videos and quizzes, I increased certification pass rates by 30%. I provided personalized support, ensuring students were well-prepared for exams and kept courses aligned with industry best practices.

Linux ITIL Online Education

Delphi Developer

Tarkus Tecnologia

Sep 2020 - Apr 2022 (1 year 7 months)

I developed customized ERP systems for healthcare and retail clients, reducing operational costs and boosting productivity. I led the development of a SupplierActive module, improving delivery efficiency by 68%, and customized the Purchasing module, increasing employee productivity by 85%.

ERP Productivity

Full Stack Developer

Masterxp Solucoes Empresariais

Jan 2015 - Apr 2020 (5 years 3 months)

I led the migration of MasterRH system from ASP.NET Web Forms to ASP.NET Core, improving performance by over 40%. I optimized algorithms, reducing response times by 38%, and implemented automated tests. I also created MasterBot, which reduced operational errors by 58% and data loading times by 72%.

ASP.NET Core Agile Methodologies Performance Optimization User Experience

Back-End Developer

CYCLONET Tecnologica Ltda

Feb 2013 - Jan 2015 (1 year 11 months)

I developed automation solutions using C# and Windows Forms, optimizing SQL queries to reduce execution time by 62%. I improved data security with AES encryption and TLS and integrated legacy systems with external platforms, reducing data transfer time by 47%, improving operational efficiency for clients.

Automation API Integration C#

Education

Degrees, certifications, and relevant coursework

Federal University of Rio de Janeiro

MBA, Software Engineering

2014 - 2016

Grade: 3.8

Completed an MBA in Software Engineering, focusing on advanced software development methodologies and project management techniques.

Salgado de Oliveira University

Bachelor of Science, Systems Analysis

2010 - 2014

Grade: 3.5

Graduated with a Bachelor of Science in Systems Analysis, gaining foundational knowledge in software development, systems design, and database management.