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I am a results-driven software engineer with 2 years of hands-on experience delivering full-stack solutions for both web and mobile platforms. At Our Daily Bread Ministries Brazil, I engineered cross-platform applications using React Native and TypeScript, implemented robust authentication systems with AWS Amplify and Fusion Auth, and developed RESTful APIs in Node.js. I executed data migration from DynamoDB to MySQL, showcasing my ability to work across the entire stack. My professional growth is complemented by a strong foundation in software engineering and experience maintaining legacy PHP codebases. I continuously refine my problem-solving skills and approach to complex technical solutions, while collaborating effectively within cross-functional teams and adapting rapidly to changing project requirements to ensure timely and successful delivery.…I am a results-driven software engineer with 2 years of hands-on experience delivering full-stack solutions for both web and mobile platforms. At Our Daily Bread Ministries Brazil, I engineered cross-platform applications using React Native and TypeScript, implemented robust authentication systems with AWS Amplify and Fusion Auth, and developed RESTful APIs in Node.js. I executed data migration from DynamoDB to MySQL, showcasing my ability to work across the entire stack. My professional growth is complemented by a strong foundation in software engineering and experience maintaining legacy PHP codebases. I continuously refine my problem-solving skills and approach to complex technical solutions, while collaborating effectively within cross-functional teams and adapting rapidly to changing project requirements to ensure timely and successful delivery.

Leonardo Batista Sumary

Full Stack Developer, Web Developer, App Developer, +2

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I am a results-driven software engineer with 2 years of hands-on experience delivering full-stack solutions for both web and mobile platforms. At Our Daily Bread Ministries Brazil, I engineered cross-platform applications using React Native and TypeScript, implemented robust authentication systems with AWS Amplify and Fusion Auth, and developed RESTful APIs in Node.js. I executed data migration from DynamoDB to MySQL, showcasing my ability to work across the entire stack. My professional growth is complemented by a strong foundation in software engineering and experience maintaining legacy PHP codebases. I continuously refine my problem-solving skills and approach to complex technical solutions, while collaborating effectively within cross-functional teams and adapting rapidly to changing project requirements to ensure timely and successful delivery.…I am a results-driven software engineer with 2 years of hands-on experience delivering full-stack solutions for both web and mobile platforms. At Our Daily Bread Ministries Brazil, I engineered cross-platform applications using React Native and TypeScript, implemented robust authentication systems with AWS Amplify and Fusion Auth, and developed RESTful APIs in Node.js. I executed data migration from DynamoDB to MySQL, showcasing my ability to work across the entire stack. My professional growth is complemented by a strong foundation in software engineering and experience maintaining legacy PHP codebases. I continuously refine my problem-solving skills and approach to complex technical solutions, while collaborating effectively within cross-functional teams and adapting rapidly to changing project requirements to ensure timely and successful delivery.

Available to hire

I am a results-driven software engineer with 2 years of hands-on experience delivering full-stack solutions for both web and mobile platforms. At Our Daily Bread Ministries Brazil, I engineered cross-platform applications using React Native and TypeScript, implemented robust authentication systems with AWS Amplify and Fusion Auth, and developed RESTful APIs in Node.js. I executed data migration from DynamoDB to MySQL, showcasing my ability to work across the entire stack.

My professional growth is complemented by a strong foundation in software engineering and experience maintaining legacy PHP codebases. I continuously refine my problem-solving skills and approach to complex technical solutions, while collaborating effectively within cross-functional teams and adapting rapidly to changing project requirements to ensure timely and successful delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Full Stack Developer at Our Daily Bread Ministries Brazil

August 1, 2023 - Present

Engineered cross-platform mobile applications using React Native and TypeScript, integrating robust user authentication with Fusion Auth and AWS Amplify Studio. Developed dynamic and responsive websites in React.js, implementing a complete donation workflow via the PagSeguro API and lead-capture systems integrated with the Salesforce API. Built and maintained scalable RESTful APIs in Node.js serving data to both web and mobile front-ends. Refactored legacy PHP codebases to improve system stability, performance, and modernized functionalities. Executed a full-scale data migration and restructuring from DynamoDB (NoSQL) to MySQL (SQL) database using the Prisma ORM, ensuring data integrity and consistency. Collaborated effectively within a cross-functional team, demonstrating rapid adaptability to changing project requirements to ensure timely and successful project delivery. Contributed to mission-driven projects including a secure video-streaming application for children and a nationwid

Customer Support at Nextcard Automação

August 1, 2023 - August 29, 2025

Onboarded and trained new clients, ensuring successful adoption of company systems and hardware. Provided ongoing technical support to resolve client issues, clarify inquiries, and ensure optimal system utilization. Proactively identified and recommended system enhancements by staying current with emerging technologies, leading to more effective and efficient solutions for clients.