25 Empregos para Backend Developer - Brasil

•Desenvolver e manter APIs escaláveis e seguras utilizando NestJS.

•Participar das decisões técnicas, propondo melhorias de arquitetura e boas práticas.

•Trabalhar lado a lado com o time de produto e frontend para entregar soluções que realmente façam a diferença.

•Garantir qualidade do código com testes, boas práticas e documentação.

Requisitos

•Experiência sólida com Node.js e NestJS.

•Domínio em TypeScript.

•Conhecimentos de bancos de dados SQL Server e MongoDB, com boas práticas de modelagem.

•Vivência com RESTful APIs e/ou GraphQL.

•Capacidade de trabalhar em equipe e vontade de encarar problemas complexos de frente.

Diferenciais

•Experiência com Docker (containerização e deploy);

•Uso de Prisma ORM em projetos anteriores;

•Noções de arquitetura limpa, DDD ou microsserviços;

•Já ter atuado em projetos de impacto social ou institucionais.

About Optibus:

Optibus is a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike.

About the position:

As a Software Engineer in the CORD Team, you will be responsible for implementing all reports and integrations for customers. You will work closely with the various departments in the company including product, solutions, and other teams in the R&D. You will have a main role in onboarding all clients and therefore will have regular communication with customers.

Please apply your CV in English only!

Responsibilities:

• Working closely with the team lead, and product manager in a cross-functional team currently consisting of developers
• Closely collaborating with other teams in the R&D department across the organization
• Take part in all aspects of the development cycle

Requirements:

• B.Sc degree in Computer Science, Software Engineering, or related domains
• 5 years experience in hands-on backend development using Python. Alternatively using one or more of Java, C#, or similar language.
• Experience in Agile Methodology.
• A great team player and able to function in a fluid environment with minimal guidance and supervision It will be great if you have
• Proficiency in English is a must.

Optibus is proud to be an equal opportunity employer. We hire talented individuals, regardless of gender, race, ethnicity, ancestry, age, disability, sexual orientation, gender identity or expression, cultural background, religious beliefs, or any other characteristic protected by federal, state, or local laws. It is our responsibility at Optibus to provide an inclusive and accessible interview experience for all. We will provide reasonable accommodations for all candidates in need of individualised support during the hiring process.

Location: Sao Jose Dos Campos, Brazil

About the Opportunity:

Modirum | Gespi is adapting its proven technologies for the dynamic UAV Defence sector through a dedicated new development team. We are seeking experienced Senior Backend Software Developers to design, build, and maintain the scalable, secure, and reliable server-side systems that underpin our innovative defence solutions. You will tackle complex technical challenges and contribute significantly to the core functionality of our products.

Your Role in the Team:

As a Senior Backend Developer, you are a cornerstone of the team responsible for building the engine of our defence applications. You will:

* Design, develop, test, deploy, and maintain robust backend services, APIs, and data persistence layers.

* Write clean, efficient, well-documented, and testable code in languages like Java, Kotlin, Python, or Node.js.

* Contribute to architectural decisions and the evolution of the backend systems.

* Collaborate with front-end developers, AI specialists, hardware engineers, and the product team to deliver integrated solutions.

* Optimize applications for maximum speed, scalability, and reliability.

* Implement security and data protection best practices crucial for the defence sector.

* Mentor junior developers and participate actively in code reviews, promoting high standards.

* Troubleshoot and debug complex backend issues, ensuring system stability.

* Play a key role in the team's output by delivering high-quality backend features and infrastructure components.

Qualifications:

* Proven experience as a Senior Software Developer focused on backend systems.

* Strong proficiency in one or more backend programming languages (e.g., Java, Python, Node.js).

* Solid experience designing and building RESTful APIs or other service communication protocols (e.g., gRPC).

* Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, Cassandra).

* Understanding of software design patterns, microservices architecture, and distributed systems concepts.

* Experience with unit testing, integration testing, and CI/CD practices.

* Familiarity with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).

* Strong analytical and problem-solving abilities.

* Excellent communication and teamwork skills.

Bonus Points:

* Experience building systems for Defence, Aerospace, or other high-security/high-reliability domains.

* Experience with message brokers (Kafka, RabbitMQ) or event-driven architectures.

* Knowledge of performance tuning and optimization techniques.

* Experience with infrastructure automation tools.

* Contribution to open-source projects.

What We Offer:

* The opportunity to build critical backend systems for the high-impact UAV Defence sector.

* A senior technical role within a new team adapting proven technology for a challenging market.

* Work on complex backend problems related to scale, security, and data processing.

* Collaboration with a multi-disciplinary team of experts.

* Competitive salary and benefits package.

* A culture that values technical depth and collaboration. 

•Desenvolver e manter APIs escaláveis e seguras utilizando NestJS.

•Participar das decisões técnicas, propondo melhorias de arquitetura e boas práticas.

•Trabalhar lado a lado com o time de produto e frontend para entregar soluções que realmente façam a diferença.

•Garantir qualidade do código com testes, boas práticas e documentação.

Requisitos

•Experiência sólida com Node.js e NestJS.

•Domínio em TypeScript.

•Conhecimentos de bancos de dados SQL Server e MongoDB, com boas práticas de modelagem.

•Vivência com RESTful APIs e/ou GraphQL.

•Capacidade de trabalhar em equipe e vontade de encarar problemas complexos de frente.

Diferenciais

•Experiência com Docker (containerização e deploy);

•Uso de Prisma ORM em projetos anteriores;

•Noções de arquitetura limpa, DDD ou microsserviços;

•Já ter atuado em projetos de impacto social ou institucionais.

About Optibus:

is a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike.

About the position:

As a Software Engineer in the CORD Team, you will be responsible for implementing all reports and integrations for customers. You will work closely with the various departments in the company including product, solutions, and other teams in the R&D. You will have a main role in onboarding all clients and therefore will have regular communication with customers.

Please apply your CV in English only!

Responsibilities:

• Working closely with the team lead, and product manager in a cross-functional team currently consisting of developers
• Closely collaborating with other teams in the R&D department across the organization
• Take part in all aspects of the development cycle

Requirements:

• B.Sc degree in Computer Science, Software Engineering, or related domains
• 5 years experience in hands-on backend development using Python. Alternatively using one or more of Java, C#, or similar language.
• Experience in Agile Methodology.
• A great team player and able to function in a fluid environment with minimal guidance and supervision It will be great if you have
• Proficiency in English is a must.

is proud to be an equal opportunity employer. We hire talented individuals, regardless of gender, race, ethnicity, ancestry, age, disability, sexual orientation, gender identity or expression, cultural background, religious beliefs, or any other characteristic protected by federal, state, or local laws. It is our responsibility at Optibus to provide an inclusive and accessible interview experience for all. We will provide reasonable accommodations for all candidates in need of individualised support during the hiring process.

Location: Sao Jose Dos Campos, Brazil

About the Opportunity:

Modirum | Gespi is adapting its proven technologies for the dynamic UAV Defence sector through a dedicated new development team. We are seeking experienced Senior Backend Software Developers to design, build, and maintain the scalable, secure, and reliable server-side systems that underpin our innovative defence solutions. You will tackle complex technical challenges and contribute significantly to the core functionality of our products.

Your Role in the Team:

As a Senior Backend Developer, you are a cornerstone of the team responsible for building the engine of our defence applications. You will:

* Design, develop, test, deploy, and maintain robust backend services, APIs, and data persistence layers.

* Write clean, efficient, well-documented, and testable code in languages like Java, Kotlin, Python, or Node.js.

* Contribute to architectural decisions and the evolution of the backend systems.

* Collaborate with front-end developers, AI specialists, hardware engineers, and the product team to deliver integrated solutions.

* Optimize applications for maximum speed, scalability, and reliability.

* Implement security and data protection best practices crucial for the defence sector.

* Mentor junior developers and participate actively in code reviews, promoting high standards.

* Troubleshoot and debug complex backend issues, ensuring system stability.

* Play a key role in the team's output by delivering high-quality backend features and infrastructure components.

Qualifications:

* Proven experience as a Senior Software Developer focused on backend systems.

* Strong proficiency in one or more backend programming languages (e.g., Java, Python, Node.js).

* Solid experience designing and building RESTful APIs or other service communication protocols (e.g., gRPC).

* Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, Cassandra).

* Understanding of software design patterns, microservices architecture, and distributed systems concepts.

* Experience with unit testing, integration testing, and CI/CD practices.

* Familiarity with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).

* Strong analytical and problem-solving abilities.

* Excellent communication and teamwork skills.

Bonus Points:

* Experience building systems for Defence, Aerospace, or other high-security/high-reliability domains.

* Experience with message brokers (Kafka, RabbitMQ) or event-driven architectures.

* Knowledge of performance tuning and optimization techniques.

* Experience with infrastructure automation tools.

* Contribution to open-source projects.

What We Offer:

* The opportunity to build critical backend systems for the high-impact UAV Defence sector.

* A senior technical role within a new team adapting proven technology for a challenging market.

* Work on complex backend problems related to scale, security, and data processing.

* Collaboration with a multi-disciplinary team of experts.

* Competitive salary and benefits package.

* A culture that values technical depth and collaboration.

•Desenvolver e manter APIs escaláveis e seguras utilizando NestJS.

•Participar das decisões técnicas, propondo melhorias de arquitetura e boas práticas.

•Trabalhar lado a lado com o time de produto e frontend para entregar soluções que realmente façam a diferença.

•Garantir qualidade do código com testes, boas práticas e documentação.

Requisitos

•Experiência sólida com Node.js e NestJS.

•Domínio em TypeScript.

•Conhecimentos de bancos de dados SQL Server e MongoDB, com boas práticas de modelagem.

•Vivência com RESTful APIs e/ou GraphQL.

•Capacidade de trabalhar em equipe e vontade de encarar problemas complexos de frente.

Diferenciais

•Experiência com Docker (containerização e deploy);

•Uso de Prisma ORM em projetos anteriores;

•Noções de arquitetura limpa, DDD ou microsserviços;

•Já ter atuado em projetos de impacto social ou institucionais.

About Optibus:

Optibus is a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike.

About the position:

As a Software Engineer in the CORD Team, you will be responsible for implementing all reports and integrations for customers. You will work closely with the various departments in the company including product, solutions, and other teams in the R&D. You will have a main role in onboarding all clients and therefore will have regular communication with customers.

Please apply your CV in English only!

Responsibilities:

• Working closely with the team lead, and product manager in a cross-functional team currently consisting of developers
• Closely collaborating with other teams in the R&D department across the organization
• Take part in all aspects of the development cycle

Requirements:

• B.Sc degree in Computer Science, Software Engineering, or related domains
• 5 years experience in hands-on backend development using Python. Alternatively using one or more of Java, C#, or similar language.
• Experience in Agile Methodology.
• A great team player and able to function in a fluid environment with minimal guidance and supervision It will be great if you have
• Proficiency in English is a must.

Optibus is proud to be an equal opportunity employer. We hire talented individuals, regardless of gender, race, ethnicity, ancestry, age, disability, sexual orientation, gender identity or expression, cultural background, religious beliefs, or any other characteristic protected by federal, state, or local laws. It is our responsibility at Optibus to provide an inclusive and accessible interview experience for all. We will provide reasonable accommodations for all candidates in need of individualised support during the hiring process.

A Verity está buscando novos talentos!

Somos uma consultoria de transformação e inovação digital e buscamos .NET Backend Developer Specialist para fazer parte dessa jornada.

Olha só quais são as experiências e conhecimentos que você precisa ter para acelerar e transformar com a gente:

Buscamos um profissional com perfil especialista, capaz de atuar de forma autônoma e proativa nas demandas do time, garantindo qualidade e eficiência nas entregas. Será responsável por conduzir suas atividades de ponta a ponta, contribuindo para liberar os líderes para outras frentes estratégicas.

É essencial que possua boa comunicação, saiba se posicionar em reuniões e colaborar de forma construtiva com diferentes áreas, mantendo o alinhamento e a fluidez entre os times.

Requisitos:

• Experiência em desenvolvimento com .NET 8 e 9, aplicando boas práticas e princípios de clean code.

• Criação e manutenção de APIs RESTful, com documentação via Swagger/OpenAPI.

• Atuação com arquitetura de microsserviços, garantindo escalabilidade e resiliência das aplicações.

• Experiência em Kubernetes (preferencialmente em GKE/GCP) e APIGEE para gestão e exposição de APIs.

• Monitoramento e observabilidade com Dynatrace.

• Integrações baseadas em mensageria (Kafka, RabbitMQ ou equivalentes).

• Conteinerização com Docker e pipelines de CI/CD utilizando Jenkins e Nexus.

• Testes unitários com xUnit e práticas de virtualização de serviços.

• Experiência com Entity Framework Core para acesso e modelagem de dados.

• Controle de versão com Git e repositórios em Bitbucket.

• Bancos de dados SQL Server e/ou Oracle, com foco em performance e boas práticas de modelagem.

• Vivência em metodologias ágeis (Scrum e Kanban), participando de cerimônias, refinamentos e estimativas.

Aqui nós somos humanos, somos digitais, somos Verity!

Tudo o que fazemos se baseia em nossos Valores Fascinantes :

• Tecnologia:

Nossa Paixão por tecnologia nos impulsiona a modernizar e acelerar negócios;

• Transparência e Comprometimento:

Somos guiados pela transparência e comprometimento com a entrega;

• Conexão Humana:

Somos humanos que escutam com empatia e colaboram nas diferenças;

• Experiência:

Construímos nossa reputação nos desafiando diariamente para entregar as melhores experiências para nossos clientes e colaboradores;

É assim que criamos experiências inovadoras para o mundo digital, inspirando protagonismo e gerando resultados incríveis aos nossos clientes, sempre focados em metodologia, tecnologia e pessoas.

Fomos certificados como uma das melhores empresas para se trabalhar pelo Great Place To Work, e a cada dia criamos ações que melhoram ainda mais o ambiente de trabalho, aqui na Verity você tem:

• Vale refeição
• Vale alimentação
• Auxílio home office
• Assistência médica
• Assistência odontológica
• Seguro de vida
• Parcerias de descontos
• Convênios em estabelecimentos e instituições de ensino
• Treinamentos de agilidade recorrentes
• Intervalo Verity
• #VerityComVocê
• Viva Engage

• E aí, topa criar experiências inovadoras para o mundo digital?