Leonardo Calheiros
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Leonardo Calheiros Email & Phone Number

Software Engineer | Backend Developer | C# | Java | Python at DB1 Global Software
Location: Marialva, Paraná, Brazil 5 work roles 1 school
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✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
DB1 Global Software
Role
Software Engineer | Backend Developer | C# | Java | Python
Location
Marialva, Paraná, Brazil
Company size
267 employees

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Leonardo Calheiros is listed as Software Engineer | Backend Developer | C# | Java | Python at DB1 Global Software, a with 267 employees, based in Marialva, Paraná, Brazil. AeroLeads shows a matched LinkedIn profile for Leonardo Calheiros.

Leonardo Calheiros previously worked as Backend Developer at Db1 Global Software and Consultor Junior T.I at Unidev Ti. Leonardo Calheiros holds Bacharelado, Computer Software Engineering from Unicesumar.

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DB1 Global Software

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About Leonardo Calheiros

👨‍💻 Backend Developer🛠️Technologies: Python (Flask, FastAPI), Java (Spring Boot), C# (.Net), JavaScript, Angular, React, and TypeScriptThroughout my professional journey, I have focused on backend web development, creating effective solutions while ensuring high availability and scalability of projects. My primary expertise lies in Java, C# (.Net), and Python.In addition to backend development, I have gained experience with JavaScript, React, Angular, and TypeScript on the frontend. These skills have provided me with a comprehensive understanding of web development, allowing me to contribute holistically to the projects I'm involved in.Moreover, beyond my technical expertise, I pride myself on my ability to thrive in challenging environments, collaborate effectively towards goals, and contribute to the overall success of the team.Feel free to connect with me:Email: leonardo.calheiros@gmail.comGitHub: https://github.com/leocalheirosPT-BR:👨‍💻 Desenvolvedor Backend🛠️Tecnologias: Python (Flask, FastAPI), Java (Spring boot), C#(.Net), Javascript, Angular , React e TypescriptEm minha jornada profissional, trabalhei no desenvolvimento web backend visando criar soluções eficazes mantendo a alta disponibilidade e escalabilidade do projeto, principalmente com o uso das tecnologias Java, C# (.Net) e Python.Também ao decorrer do tempo, passei pelo uso de JavaScript, React, Angular e Typescript no FrontEnd, habilidades que me ajudaram a ter uma visão mais ampla sobre o desenvolvimento web e contribuir de maneira integrada aos projetos em que estou envolvido.Além disso, não só pelo conhecimento técnico, gosto de citar minha habilidade em crescer em ambientes desafiadores, colaborar para metas e atingir o sucesso do grupo.E-mail para contato: leonardo.calheiros@gmail.comGithub: https://github.com/leocalheiros

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Leonardo Calheiros's current company

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DB1 Global Software
Db1 Global Software
Software Engineer | Backend Developer | C# | Java | Python
maringá, parana, brazil
Website
db1.com.br
Employees
267
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5 roles

Leonardo Calheiros work experience

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Backend Developer

Current
Db1 Global Software

Maringá, Paraná, Brasil

As a backend developer, I have contributed to various projects utilizing a diverse set of technologies and frameworks. Throughout my tenure, I have honed my skills in:Technologies and Languages:Backend: .NET (C#), Spring Boot (Java), Python (Flask, FastAPI, Jinja2)Frontend: Angular, TypeScriptServices and Tools:AWS: Lambda, SQS, S3, EC2, DynamoDB, API GatewayAzure DevOpsArchitectures and Practices:Queues: RabbitMQ, SQSDatabases: Relational and non-relationalAPIs: REST, HTTP protocolTesting: Unit and integration testsArchitectures: Domain-Driven Design (DDD), Clean Architecture, Event-Driven Architecture, MicroservicesCoding practices: Clean CodeMy responsibilities range from building and maintaining robust backend systems to implementing efficient and scalable front-end solutions. With a strong emphasis on code quality and scalable solution delivery, I contribute to the success of complex and challenging projects.I am always seeking new opportunities to apply my expertise and learn new technologies, striving for continuous professional growth and excellence in delivering results.

Aug 2023 - Present

Consultor Junior T.I

Unidev Ti

Maringá, Paraná, Brasil

Atuo em projetos relacionados as áreas de T.I na faculdade Unicesumar

Apr 2023 - Dec 2023

Estagiário De Ti

Reacher

São Paulo, Brasil

- Configuração de domínios- Gerenciamento de emails- Configuração de DKIM, DMARC, SPF, DKIM- Configuração de DNS- Redirecionamentos- Google Workspace- Acompanhamento de métricas

Mar 2023 - Aug 2023

Gerente De Mídias Sociais

Corpo E Bronze Moda Praia

- Criava campanhas para crescimento da marca e de produtos.- Trabalhava com impulsionamentos com postagens nas mídias sociais.- Criava catálogos de produtos e os hospedava no website da empresa.- Contato com HTML e CSS

Jan 2022 - Dec 2022

Gerente De Mídias Sociais

Barbearia Champion

Marialva, Paraná, Brasil

- Atuava em uma equipe de 6 funcionários, através de projetos para as mídias sociais- Desenvolvimento de conteúdos para as redes sociais a fim de converter novos clientes.- Entrega de projetos no prazo e dentro do orçamento

Jul 2021 - Nov 2021
Team & coworkers

Colleagues at DB1 Global Software

Other employees you can reach at db1.com.br. View company contacts for 267 employees →

RM Rômulo Mincache Rômulo Mincache Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → RC Robson Cachoeira Robson Cachoeira Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → JD Jacson De Matos Jacson De Matos Colleague at Db1 Global SoftwarePato Branco, Paraná, Brazil View → FD Felipe Da Silva Costa Sanches Felipe Da Silva Costa Sanches Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → JM João Marcus Velasques Faria João Marcus Velasques Faria Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → CB Chayane Balmant Chayane Balmant Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → TH Tiago Hlatki Tiago Hlatki Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → RM Rodrigo Mourão Rodrigo Mourão Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → SA Susana Ambrozio Sampaio Susana Ambrozio Sampaio Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View → LB Luciane Baldo Luciane Baldo Colleague at Db1 Global SoftwareMaringá, Paraná, Brazil View →
1 education record

Leonardo Calheiros education

FAQ

Frequently asked questions about Leonardo Calheiros

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What company does Leonardo Calheiros work for?

Leonardo Calheiros works for DB1 Global Software.

What is Leonardo Calheiros's role at DB1 Global Software?

Leonardo Calheiros is listed as Software Engineer | Backend Developer | C# | Java | Python at DB1 Global Software.

Where is Leonardo Calheiros based?

Leonardo Calheiros is based in Marialva, Paraná, Brazil while working with DB1 Global Software.

What companies has Leonardo Calheiros worked for?

Leonardo Calheiros has worked for Db1 Global Software, Unidev Ti, Reacher, Corpo E Bronze Moda Praia, and Barbearia Champion.

Who are Leonardo Calheiros's colleagues at DB1 Global Software?

Leonardo Calheiros's colleagues at DB1 Global Software include Rômulo Mincache, Robson Cachoeira, Jacson De Matos, Felipe Da Silva Costa Sanches, and João Marcus Velasques Faria.

How can I contact Leonardo Calheiros?

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What schools did Leonardo Calheiros attend?

Leonardo Calheiros holds Bacharelado, Computer Software Engineering from Unicesumar.

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