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Frontend Engineer

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Frontend Engineer

Staff Frontend Software Engineer

TRACTIAN

Sao Paulolead

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Описание вакансии

Why join us

TRACTIAN is transforming the industrial world by empowering frontline maintenance workers to achieve more. We’ve fused cutting-edge hardware with innovative software into one powerful platform, disrupting legacy systems and delivering smarter, faster solutions for our clients.

Software at TRACTIAN

The software department at TRACTIAN is at the forefront of innovation, crafting an integrated ecosystem that revolutionizes maintenance and process management. Comprising a dynamic team of experts, the department develops an all-in-one software solution that seamlessly combines predictive maintenance capabilities with a comprehensive Computerized Maintenance Management System (CMMS). This visionary approach empowers maintenance and process teams with a unified platform, enabling them to proactively predict equipment failures, optimize maintenance workflows, and enhance operational efficiency. In daily work the software department drives the convergence of cutting-edge technology and maintenance excellence to propel businesses toward unparalleled success.

What you'll do

As a Staff Frontend Software Engineer, your role will focus on the development and enhancement of key features for our Web applications. You will be responsible for creating and refining features that are both user-centric and technologically advanced, contributing significantly to our product's overall functionality and user experience.

Responsibilities

  • Work with engineers & technical leaders across the company to ship products on strong foundations.
  • Build high quality end-to-end product experiences for platforms Improve engineering standards, tooling and processes.
  • Develop and lead the team to execute against both short-term and long-term roadmaps.
  • Make effective tradeoffs that consider business priorities, user experience, and a sustainable technical foundation.
  • Identify, scope, and lead large technical projects, laying the groundwork for early-stage products to iteratively evolve and scale, and taming complexity and shoring up reliability of existing systems.

Requirements

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field.
  • 5+ years of experience in front-end development, with a minimum of 3 years dedicated to React.
  • Deep understanding of React principles and patterns, including but not limited to compound, presentational and HOC patterns.
  • Experience in implementing caching strategies or asynchronous state management for high data load applications.
  • Strong knowledge in web performance optimization and cross-platform compatibility.
  • Experience working across engineering teams and other functions in building alignment, driving decision making, and communicating transparentlyExperience mentoring and helping in the development of engineers and peers.

Bonus points

  • Track record of leading frontend platform development in a high-growth tech environment.
  • Experience in creating offline applications or desktop applications using Electron/Tauri.
  • Experience in high-volume data processing.
  • Fluent in English.

Compensation & Benefits

  • Competitive salary and stock options
  • 30 days of paid annual leave
  • Education and courses stipend
  • Earn a trip anywhere in the world every 4 years
  • R$1.035/month for meals allowance
  • Health plan with national coverage and without coparticipation
  • Dental Insurance: we help you with dental treatment for a better quality of life.
  • Wellhub and Sports Incentive: R$300/mo extra if you practice activities

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Frontend Engineer

Senior Software Engineer

WatchGuard Technologies

Sao Paulosenior

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Описание вакансии

As a Senior Software Engineer, reporting to the Engineering Manager, you will design, build, and evolve our customer-facing portal and related web experiences, delivering features and improvements that provide direct value to our users.

You will focus on the portal front end, responsive UIs, workflows, and integrations, while partnering with backend and platform teams. Where product direction includes intelligent capabilities, you will help surface AI-assisted experiences in the portal (e.g., integrating AI-powered APIs, copilot-style features, or ML-driven insights) with attention to usability, trust, and performance.

You are also expected to use AI-assisted development tools as part of your day-to-day work, responsibly and in line with team standards, to improve productivity, explore solutions, and ship quality code faster.

Key Responsibilities

  • Gather requirements, design, develop, test, and ship portal features while collaborating in a dynamic and results-driven environment.
  • Lead and contribute to portal development using React, TypeScript, and JavaScript, including component architecture, state management, routing, and integration with REST or GraphQL APIs.
  • Leverage AI-assisted development tools (e.g., coding assistants, generation, refactoring, or test suggestions) as part of the engineering workflow—while validating outputs, preserving security and privacy, and following code review and organizational policies.
  • Take an active role in mentoring junior engineers.
  • Make a direct impact on the success of WatchGuard as a company.
  • Participate in on-call rotation approximately once every 2 months.

Ideal Candidate Profile

  • 5+ years of professional front-end development experience, including substantial production experience with React.
  • Strong proficiency in TypeScript and modern JavaScript (ES modules, async patterns, typing for scalable UIs).
  • Comfort applying AI tools in the software development lifecycle (e.g., for implementation, debugging, documentation, or reviews), with sound judgment about verification, security, and intellectual property.
  • 2–4 years of experience with AWS or similar cloud platforms (e.g., front-end hosting, CDN, serverless APIs, or consuming cloud services from browser-based apps).
  • 3+ years of experience working with CI/CD pipelines.
  • Familiarity with infrastructure-as-code or deployment tooling (e.g., Terraform, Serverless, or Ansible) as it relates to environments and releases.
  • Experience with SQL and relational databases such as PostgreSQL or MySQL (e.g., understanding data models for portal features or working with backend teams on queries and performance).
  • A proven track record of success building cloud-based, highly automated systems and customer-facing experiences.
  • A desire to contribute to a collaborative engineering culture through mentoring and knowledge sharing.
  • An innovative and passionate spirit, an ability to overcome technical issues in a cooperative environment, a commitment to ship quickly, and familiarity with agile software development practices.
  • The ability to deal with ambiguity, communicate well with partner teams, and a compassionate understanding of the customer experience.
  • Proficiency in writing unit, integration, and end-to-end tests for front-end applications (and collaboration on API contracts where applicable).
  • A passion for building scalable and maintainable code that supports growth and future-proofing of systems.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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Frontend Engineer

Senior Front-End - React - COM INGLÊS - Remoto

Capco

Sao Paulosenior

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Описание вакансии

SOBRE A CAPCO
A
Capco
é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 40 escritórios nas Américas, Europa e Ásia-Pacífico! Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreira!

Estamos em busca de um consultor
Desenvolvedor Front-End Sênior
, proativo e com forte foco em desenvolvimento front-end, para apoiar e aprimorar a
Experiência Autenticada do cliente.
Essa função abrange todo o
Ciclo de Vida de Desenvolvimento de Software (SDLC)
e enfatiza segurança, escalabilidade, desempenho e design centrado no usuário.

O consultor ideal possui sólida experiência em desenvolvimento front-end, boa experiência em integração com back-end e vivência prática no uso de ferramentas de desenvolvimento assistidas por Inteligência Artificial.

Experiência com
Claude Code
é desejável, mas não obrigatória. É
obrigatório
comprovar experiência no uso de IA no desenvolvimento de software.

Expectativas de Trabalho e Disponibilidade

  • O consultor deve manter um horário de trabalho com sobreposição consistente ao fuso horário da Costa Leste dos Estados Unidos (Eastern Time – ET).
  • Flexibilidade para participar de reuniões, sessões de design, revisões de código e chamadas para análise de incidentes durante o horário comercial do ET.
  • A função pode dar suporte a equipes distribuídas; portanto, essa sobreposição de horário é essencial para uma entrega bem-sucedida.

Responsabilidades

  • Colaborar com equipes multidisciplinares para levantar e refinar requisitos relacionados às experiências autenticadas na web.
  • Projetar e implementar soluções full stack seguras e escaláveis, com responsabilidade principal pelo desenvolvimento front-end.
  • Desenvolver interfaces de usuário responsivas, acessíveis e de alto desempenho.
  • Integrar aplicações front-end com APIs RESTful e microsserviços.
  • Desenvolver e manter fluxos de autenticação e autorização seguindo as melhores práticas de segurança.
  • Utilizar ferramentas de desenvolvimento assistidas por IA para geração de código, refatoração, testes, depuração e documentação.
  • Aplicar técnicas de Prompt Engineering para melhorar a qualidade das respostas geradas pela IA.
  • Participar de revisões de código, testes automatizados e suporte à produção.
  • Otimizar o desempenho, a acessibilidade e a facilidade de manutenção das aplicações.
  • Documentar código, APIs e decisões de arquitetura.

Qualificações Obrigatórias

  • Experiência profissional em desenvolvimento de software ou consultoria.
  • Forte experiência em desenvolvimento front-end com React (conhecimento em Angular é um diferencial).
  • Domínio de:
  • JavaScript
  • TypeScript
  • HTML5
  • CSS3
  • ES6+
  • Experiência com design responsivo e abordagem Mobile First.
  • Conhecimento em Node.js, Express.js e APIs RESTful.
  • Experiência com arquitetura de microsserviços utilizando Spring Boot com Hibernate/JPA.
  • Experiência com bancos de dados relacionais, como SQL Server ou PostgreSQL.
  • Conhecimento em JWT, cookies, gerenciamento de sessões e otimização de desempenho para aplicações web.
  • Experiência com controle de versão baseado em Git, pipelines de CI/CD (Jenkins) e Docker.
  • Experiência com AWS ou Google Cloud é desejável.
  • Familiaridade com Adobe Experience Manager (AEM) é um diferencial.
  • Experiência prática com ferramentas de desenvolvimento baseadas em IA; experiência com Claude Code é preferencial.

Competências Profissionais

  • Excelente capacidade de colaboração e comunicação.
  • Mentalidade de dono (ownership) e forte senso de responsabilidade.
  • Adaptabilidade e compromisso com o aprendizado contínuo.
  • Forte capacidade analítica e abordagem orientada à solução de problemas.

Por Que Capco
Na
Capco
promovemos uma cultura inclusiva. Valorizamos a diversidade em todas as suas expressões.

Pensamos, em conjunto, sempre em ações diversas de inclusão e de responsabilidade social através de comitês internos geridos pela nossa comunidade interna, como os grupo de Mulheres, Pessoas Com Deficiência, Pessoas Negras, LGBTQIAPN+, Parentalidade, Gerações, entre outros.

Nossas oportunidades são trabalhadas para todos(as)!!!

Próximos Passos

  • Se você está ansioso(a) para progredir sua carreira conosco, candidate-se e aguarde o contato de um de nossos recrutadores!

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Frontend Engineer

Senior Front End Developer - Angular & React

Netcracker Technology

Sao Paulosenior

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Описание вакансии

We're building the future of how the world communicates.
Netcracker, part of NEC Corporation, combines deep telecom industry expertise with cutting-edge cloud-native and AI-powered innovations to enable communications service providers and enterprises to transform their businesses, unlock innovation, and create meaningful digital experiences for millions of people around the world. With more than 30 years of experience serving over 250 customers in more than 70 locations worldwide, we are the global market leader in telecom software and services.

Join us and be part of a team that is not just keeping up with the digital future but is leading the way.

Job Summary
Netcracker Technology (www.netcracker.com) is looking to hire a Front End developer to join our growing company. This position will be part of our Engineering department based in one of our local offices in Brazil (Sao Paulo or Campinas).

Responsibilities

  • Creation and development of the company's UI solutions;
  • Fine-tuning UI usability and client-side performance optimization;
  • Participating in solution architecture development;
  • Support and development of current projects;
  • Development and maintenance of business analysis documents for internal and external use.

Skills And Experience

  • Minimum 5+ years of proven experience working with Angular & React
  • Experience with JavaScript, NgRx
  • Experience working with Java and Spring frameworks
  • Good motivation, desire to further grow as a full-stack engineer
  • Fluent English and Portuguese speaker
  • Availability to work from the office in hybrid mode from either the São Paulo or Campinas office

Education

  • BE / BTech Degree in Computer Science, Information Technology OR Electronics and Communication;

All of our job opportunities in Brazil are open to people with disabilities (PWDs)/ Todas as nossas oportunidades de vagas no Brasil são abertas a pessoas com deficiência (PCDs).

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Frontend Engineer

Analista Desenvolvedor Jr (Flutter)

Evo Systems

Sao Paulojunior

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Описание вакансии

Estamos em busca de um(a) desenvolvedor(a) júnior para integrar nosso time de desenvolvimento mobile, atuando com
Flutter
. Buscamos alguém no início de carreira, com vontade de aprender, evoluir tecnicamente e contribuir com projetos diversos ao lado de um time colaborativo. Atividades:

  • Desenvolver e manter aplicações mobile e web utilizando Flutter
  • Participar do ciclo completo de desenvolvimento: análise, codificação, testes e correção de bugs
  • Utilizar Git para versionamento e controle de código, seguindo boas práticas de branching e revisão
  • Colaborar com o time em reuniões técnicas, contribuindo com ideias e soluções
  • Adaptar-se a diferentes projetos, contextos e ambientes de trabalho conforme a demanda
  • Comparecer presencialmente ao cliente 3 vezes na semana, na Zona Leste de São Paulo Requisitos:
  • 2 anos de experiência em Flutter
  • Conhecimento em Banco de dados, preferencialmente Postgres
  • Experiência prática com Git (versionamento, branches, pull requests)
  • Boa comunicação e clareza para explicar ideias, soluções e problemas técnicos
  • Facilidade de adaptação a diferentes projetos, tecnologias e ambientes Comprometimento com prazos, qualidade e trabalho em equipe

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

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Staff Frontend Software EngineerTRACTIAN · Brazil

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