Senior FullStack Developer (.NET/Angular) at ciandt | Brazil

About ciandt ciandt brings together human expertise and AI to deliver scalable technology solutions. With a team of more than 8,000 professionals worldwide, ciandt has partnered with over 1,000 clients during its 30 years in business. Artificial Intelligence plays a central role in the company’s approach and operations. Location Requirement Important: Candidates living in the Metropolitan Region of Campinas must work onsite at our Campinas office, following our current attendance policy. Role Overview We are seeking a Senior FullStack Developer with strong experience in .NET and Angular. The role focuses on building scalable, high-performance applications using modern architectures and the Azure ecosystem.

CI&T desenvolve soluções tecnológicas escaláveis, combinando conhecimento humano e Inteligência Artificial. Com mais de 8.000 profissionais e três décadas de atuação, a empresa mantém parcerias com mais de 1.000 clientes. Atenção: Profissionais que moram na Região Metropolitana de Campinas precisam comparecer presencialmente ao escritório, conforme as diretrizes internas. Sobre a vaga Buscamos um(a) Senior Fullstack Developer com experiência em .NET (C#) e Angular para atuar em projetos de um cliente estratégico. O papel envolve liderar o desenvolvimento e evolução de sistemas, tanto modernos quanto legados, sempre com foco em soluções escaláveis, desempenho e experiência do usuário. O uso de boas práticas de engenharia e ferramentas de IA generativa (GenAI) faz parte do dia a dia para acelerar entregas de valor. O que vai fazer Participar de processos de discovery, refinamento técnico e definição de arquitetura Desenvolver e aprimorar aplicações backend em .NET (C#) e frontend com Angular Manter, evoluir e modernizar sistemas legados Implementar arquiteturas escaláveis, como microserviços, monólitos modulares e Clean Architecture Criar e integrar APIs REST e aplicações frontend Garantir qualidade com testes automatizados (unitários, integração e frontend) Monitorar logs e métricas para observabilidade Analisar e resolver problemas em produção Otimizar performance, tanto no backend quanto no frontend Gerenciar build, versionamento e deploy das aplicações Requisitos técnicos Experiência sólida com .NET (C#) e desenvolvimento backend Conhecimento em Angular e desenvolvimento frontend moderno Proficiência em APIs REST e comunicação cliente-servidor (HTTP/HTTPS) Vivência com bancos de dados relacionais, como SQL Server ou PostgreSQL Compreensão de arquitetura de aplicações (camadas, microserviços, monólitos modulares) Diferenciais Conhecimento em Clean Architecture e separação de camadas Boas práticas de frontend, incluindo componentização e gerenciamento de estado Experiência com versionamento usando Git Integração entre frontend e backend (consumo de APIs, tratamento de erros) Uso de IA no dia a dia Ganhar produtividade no desenvolvimento Apoiar refatoração de código e arquitetura Gerar e aprimorar testes Auxiliar na análise de problemas complexos

Role overview ciandt is hiring a Mid-Level iOS Developer in Campinas, SP. This role involves working alongside colleagues from various backgrounds to create and improve mobile applications for iOS devices. What you will do Work with cross-functional teams to define, design, and deliver new features for iOS applications. Participate in the complete lifecycle of mobile apps, from initial concept to deployment and support. Support the quality, performance, and responsiveness of applications. Offer ideas and solutions when technical challenges appear. The team The development group values both creativity and technical ability. Team members collaborate to solve problems and deliver reliable, well-designed mobile products.

Join ciandt as a Mid Level React Native Developer and contribute to innovative projects in a dynamic and collaborative environment. You will leverage your React Native expertise to build high-quality mobile applications, working closely with cross-functional teams to deliver exceptional user experiences.

Join ciandt, a leader in tech transformation, where we blend human expertise with cutting-edge AI to deliver scalable technology solutions.With a robust team of over 8,000 professionals worldwide, we've established strong partnerships with more than 1,000 clients over three decades, making Artificial Intelligence a core part of our operations.We are seeking a Mid-level Android Developer to collaborate on projects with a leading American investment client. This role is entirely on-site in Campinas, offering you the chance to engage closely with your colleagues and utilize your English skills daily while interacting with international teams.Key Responsibilities:- Work collaboratively with the CI&T team to fulfill client requirements in the financial sector.- Execute agile deployments ensuring product quality and stability.- Partner with cross-functional teams to identify, prioritize, and implement enhancements and bug fixes to elevate system performance and user experience.- Write and maintain robust, scalable, and efficient code to support ongoing development and maintenance of applications.- Conduct thorough testing and debugging to guarantee high-quality deliverables.- Engage in code reviews, providing constructive feedback to peers.Qualifications:- Proven experience as an Android Developer with proficiency in Java and Kotlin.- Strong command of Kotlin coding conventions and practices.- Familiarity with dependency injection techniques using Dagger or Hilt.- Understanding of software architectural patterns such as REST, MVVM, MVC, and Clean Architecture.- Experience in unit testing with JUnit and automated UI testing using Espresso.- Basic knowledge of Material Design and componentization of interface elements.- Proficient in code versioning with Git and familiar with Git Flow in a collaborative environment.

Join ciandt, a leader in technology transformation, where we merge human insight with cutting-edge AI to deliver scalable tech solutions.With a global workforce of over 8,000 professionals, we have partnered with more than 1,000 clients over our 30-year journey. Here, artificial intelligence is not just a concept; it's our reality.We are seeking a passionate and skilled Senior Android Developer to collaborate with our team and serve a prominent American investment client. This is an on-site position based in Campinas, requiring daily presence in the office. If you thrive in a collaborative environment and enjoy direct interaction with colleagues, this role is ideal for you! Additionally, you will have the chance to utilize your English skills daily, engaging with international teams.Key Responsibilities:- Work closely with the CI&T team to fulfill the requirements of our financial sector client.- Implement agile deployment strategies, ensuring product quality and stability.- Collaborate with cross-functional teams to identify, prioritize, and execute enhancements and bug fixes that improve system performance and enhance user experience.- Write and maintain robust, scalable, and efficient code to support ongoing application development and maintenance.- Conduct thorough testing and debugging of code to guarantee high-quality deliverables.- Engage in code reviews and provide constructive feedback to fellow developers.Qualifications:- Proven experience as an Android Developer with proficiency in Java and Kotlin.- Strong expertise in Kotlin and adherence to coding conventions.- Familiarity with dependency injection frameworks such as Dagger or Hilt.- Understanding of software architectural patterns, including REST, MVVM, MVC, and Clean Architecture.- Experience in unit testing with JUnit and automated UI testing using Espresso.- Knowledge of componentization of interface elements and a basic understanding of Material Design principles.- Proficient in version control with Git and comfortable collaborating in a multi-team environment.

Join ciandt as a Tech Lead FullStack, specializing in Java and Azure, where you will play a pivotal role in driving innovative tech solutions. Collaborate with cross-functional teams to deliver high-quality software products while mentoring junior developers and shaping the technical direction of projects. This hybrid position allows for a flexible work environment, merging remote work with in-office collaboration.

Join our innovative team at ciandt as a Senior React Native Developer! In this role, you will lead the development of cutting-edge mobile applications, driving the user experience and collaborating with cross-functional teams to deliver exceptional software solutions.

At ciandt, we are pioneers in technology transformation, merging human expertise with the power of AI to deliver scalable technology solutions that drive innovation.With a global team of over 8,000 talented individuals, we have successfully partnered with more than 1,000 clients in our 30-year journey, making artificial intelligence a core part of our business operations.We are currently seeking a dynamic Node.js Developer to contribute to an exciting project for a major American investment client. This position requires you to work 100% onsite at our Campinas office, where you will collaborate closely with the client’s team.In this role, you will help develop client-facing websites within the financial sector, providing essential information and features related to mutual funds, ETFs, retirement plans, bonds, and other financial products.Key Responsibilities:Collaborate with your team to build, enhance, and maintain high-quality applications.Implement security and performance best practices throughout the development process.Identify and resolve technical issues efficiently.Conduct thorough code reviews to ensure code quality.Adapt to working in hybrid and distributed teams, particularly in high-client exposure settings.Qualifications:Proven experience with at least one major Cloud Provider (AWS/Azure/GCP).Strong background in back-end development using Node.js.Experience with AWS technologies.Familiarity with design systems, caching mechanisms, and cryptography.Openness to engage with Java programming as part of the project.Willingness to learn and adapt to new frameworks as needed.Experience with CI/CD pipelines is essential.Strong skills in system integrations.Fluency in English for effective communication.Important Note: Onsite availability at our Campinas office is required.

ciandt combines human expertise with artificial intelligence to deliver scalable technology solutions. With a team of over 8,000 professionals and a track record of more than 1,000 client partnerships across three decades, the company emphasizes technology transformation and innovation. Role overview The Senior Android Developer will join the software engineering team in Campinas, SP. This position focuses on building and maintaining a mobile application that connects to a global IoT ecosystem. The work involves designing Android apps that communicate with AWS cloud services and edge devices, with an emphasis on reliability and high performance. Key responsibilities Develop Android applications that interact with AWS cloud services and IoT edge devices Address concurrency and networking challenges within mobile apps Design software architectures that scale and are easy to maintain Work to ensure application performance and reliability Location This role is based in Campinas, SP.

We are specialists in technological transformation, combining human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters worldwide, we have partnered with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.Important: if you reside in the Campinas Metropolitan Area, your presence at the office in the city will be mandatory, according to our current attendance policy.Join Our Team as a Senior Fullstack Developer!Are you ready to tackle an innovative and challenging project for a major American investment client? We are looking for a talented Senior Fullstack Developer with experience in Java and/or Node.js and React to join our dynamic team.In this role, you will play a vital part in understanding our clients' business challenges and transforming them into high-quality software solutions. You will collaborate with multidisciplinary teams in an agile environment, mentoring other developers while actively participating in project meetings and technical discussions. Responsibilities:Understand client problems and challenges;Write high-quality software code;Conduct code reviews;Assist in resolving business issues;Work with multidisciplinary teams following an agile delivery model;Guide and train the team, developing successors;Communicate in English, actively participating in meetings and reviewing and writing technical documents in English. Qualifications for this Challenge:Advanced English (daily contact with people outside Brazil).Deep experience in backend development using Java for services and APIs;Experience with Node.js;Experience using React for frontend;Experience with AWS services;Proven experience in developing automated tests and understanding the Testing Pyramid concept;Deep understanding of GIT;Proven experience with agile methodologies; Important:Availability to work on-site in Campinas.

Role overview ciandt is seeking a Mid Level React Native Developer for its Campinas, SP location. The position centers on building mobile applications and collaborating with team members from various backgrounds. What you will do Develop and maintain mobile apps using React Native Collaborate with cross-functional teams during all phases of development Take part in every stage of the application lifecycle, from initial concept through deployment Support the performance and responsiveness of applications for end users Location This role is based on site in Campinas, São Paulo, Brazil.

Role Overview ciandt is looking for a Senior QA Engineer (SDET) to join the team in Campinas, SP. This hybrid position focuses on building and maintaining automated test strategies, collaborating with development teams, and ensuring the quality and reliability of software releases. Key Responsibilities Contribute to user story development by defining test strategies and providing automation estimates. Design, document, and maintain test strategies and scenarios for new and existing features. Develop and execute a variety of tests: unit, component, acceptance, integration, load, security, scalability, usability, and platform tests. Review code to uphold the consistency, quality, and reusability of test automation assets. Work closely with developers to achieve comprehensive test coverage and create solutions for test automation challenges. Create and maintain automated test suites, ensuring they run across different environments and CI/CD pipelines for NOC team use. Regularly execute, update, and maintain automated test suites, analyzing failures to identify root causes. Document defects with clear, detailed descriptions and track them through resolution, including validating fixes and updating automation as needed. Present test results to support sign-off on software functionality for new production releases. Collaborate with cross-functional teams and release management to coordinate software development, QA, and production releases. Perform exploratory testing to better understand feature implementations, uncover unexpected behaviors, and refine test cases. Contribute to the QA automation framework using industry-standard tools and methodologies. Promote and enhance coding standards and best practices for automated QA code. Participate in major incident and emergency change analyses to identify opportunities for automating tests and reducing recurring issues. Location This is a hybrid position based in Campinas, SP, Brazil.

At CI&T, we excel in technology transformation, merging human expertise with cutting-edge AI to deliver scalable tech solutions.With a global workforce of over 8,000 CI&Ters, we have established partnerships with more than 1,000 clients throughout our 30-year history. Embracing Artificial Intelligence is a core part of our mission.We are actively seeking a Senior Fullstack Developer with expertise in Java, Node.js, and React to become a vital member of our team, working on an innovative project for a prestigious American investment client.Key Responsibilities:Analyze customer business challenges and identify pain points;Produce high-quality code;Conduct thorough code reviews;Assist in resolving business issues;Collaborate with multidisciplinary teams utilizing an agile delivery framework;Mentor and develop junior team members;Communicate effectively in English, participating in meetings and drafting technical documentation.Ideal Qualifications:Extensive experience in backend development with Java for services and APIs;Proficiency in Node.js;Experience working with React for frontend development;Knowledge of AWS services;Demonstrated experience in automated testing and a solid understanding of the Test Pyramid;Strong command of GIT;Proven track record with agile development methodologies;Advanced English proficiency (daily interactions with international teams).Note: Must be available to work at our Campinas office.

Join the team at ciandt, where we specialize in transforming technology by combining human expertise with cutting-edge AI to deliver scalable solutions.With a global workforce of over 8,000 professionals, we have established partnerships with more than 1,000 clients in our 30-year history. Embracing Artificial Intelligence is at the core of our operations.We are currently seeking a talented Node.js Developer to contribute to an exciting project for a prominent American investment client. This position requires you to work 100% onsite at our Campinas office, where you will collaborate closely with our development squad and the client’s team.In this role, you will be instrumental in developing websites tailored for clients in the financial sector, featuring a variety of functionalities related to mutual funds, ETFs, retirement plans, bonds, and other financial products.Key Responsibilities:Collaborate within a team to build, enhance, and maintain applications.Adhere to best practices in security and performance.Troubleshoot and resolve technical challenges effectively.Conduct thorough code reviews.Foster a collaborative spirit in hybrid and distributed teams, particularly in a client-facing environment.Qualifications:Proven experience with at least one Cloud Provider (AWS/Azure/GCP).Strong background in back-end development using Node.js.Experience with AWS infrastructure.Familiarity with design systems, caching mechanisms, and cryptographic protocols.Eagerness to engage with Java in project tasks.Comfort with learning new frameworks.Experience with CI/CD pipelines is a plus.Proficient English communication skills for effective collaboration.Note: Candidates must be available to work at our Campinas location.#midsenior#LI-AG4

Join ciandt, the specialists in tech transformation, where we blend human expertise with AI to craft scalable technological solutions.With over 8,000 CI&Ters globally, we've partnered with more than 1,000 clients over our 30-year journey. Embracing Artificial Intelligence is part of our reality.We are currently engaged in a significant project with one of our largest international clients in the financial sector, which necessitates working 100% on-site at our Campinas office. If you prefer fully remote roles, we invite you to explore our other job openings at https://jobs.lever.co/ciandtWe seek a highly motivated and skilled iOS Developer to collaborate on a mobile project. The applications you will help develop are tailored for clients in the financial industry, facilitating access to mutual funds, ETFs, retirement plans, bonds, and other financial products. If technology excites you and you're ready to tackle challenges in the financial sector, this role is your ideal fit.Key Responsibilities:- Create high-performing native iOS applications while enhancing our iOS coding standards and architecture.- Collaborate with UX designers, Android, Web, and Back End developers, and QA teams to implement new functionalities.- Participate in building, improving, and maintaining applications.- Adhere to security and performance best practices.- Diagnose and resolve technical issues effectively.- Conduct thorough code reviews.- Be comfortable collaborating in hybrid and distributed teams, particularly in a client-facing environment.Qualifications:- Proven experience as an iOS Developer or in a similar capacity.- Strong proficiency in Swift programming.- Familiarity with software architectural patterns such as REST, MVVM, and Clean Architecture.

About CI&T CI&T brings together human expertise and AI to build scalable technology solutions. With a team of over 8,000 professionals worldwide and more than 1,000 client partnerships over the past 30 years, CI&T focuses on real-world artificial intelligence and digital transformation. Location Requirement Important: Candidates living in the Metropolitan Region of Campinas must work onsite at our city offices, following our current attendance policy. Role Overview We are hiring a Senior Site Reliability Engineer (SRE) based in Brazil to join CI&T and support one of our projects. This role calls for someone who takes ownership of applications, manages their own backlog, and collaborates closely with cross-functional teams. Strong communication and analytical skills are essential. What You Will Do Analyze reliability, performance, and availability of applications. Monitor deployments, address performance and security issues, and apply lessons learned to prevent future incidents. Proactively manage and prioritize the task backlog, identify improvement areas, and suggest collaborative solutions. Communicate efficiently with teams across the application lifecycle to clarify needs and priorities. Stay informed about industry trends, best practices, and new technologies in cloud computing and DevOps/SRE. Technical Requirements Previous experience as a Site Reliability Engineer (SRE) and understanding of key reliability metrics. Background in monitoring Java backend applications. Strong experience with FinOps practices and cloud cost management. Hands-on with observability tools such as Datadog, Grafana, Prometheus, and Thanos. Experience working with AWS platforms (ECS, EKS), Kubernetes, and Docker. Proficient in Linux environments. Familiarity with GitHub, Jenkins, and Splunk (these are desirable but not strictly required). Experience building and maintaining CI/CD pipelines (GitHub Actions, Code Build, Code Pipeline). Knowledge of Infrastructure as Code using Terraform. Strong analytical and problem-solving skills, with adaptability and willingness to learn. Experience with performance and stress testing. Understanding of Chaos Theory, including what to test, how to validate, which failures to simulate, and how to analyze application impact.

O Líder de Segurança do Trabalho na ciandt trabalha presencialmente em Campinas, SP, com o objetivo de proteger a saúde e o bem-estar dos colaboradores. Este cargo envolve a implementação de práticas e políticas que visam manter um ambiente seguro e saudável para todos. Principais responsabilidades Implementar e manter políticas e procedimentos de segurança para proteger os colaboradores. Atuar em conjunto com equipes de diferentes áreas, incentivando uma cultura organizacional voltada à segurança. Liderar iniciativas que promovam condições de trabalho seguras e saudáveis dentro da empresa. O que esperar da função O trabalho exige atenção constante à prevenção de riscos e à promoção de boas práticas no ambiente corporativo. O papel também demanda colaboração ativa com outros setores para garantir que todos estejam alinhados com os padrões de segurança estabelecidos.

CI&T is known for technological transformation, combining human expertise and artificial intelligence to deliver scalable solutions. With a global team of more than 8,000 and a 30-year track record serving over 1,000 clients, the company continues to grow its impact in the tech sector. Location requirement: Candidates based in the Campinas Metropolitan Area are required to work onsite at the Campinas office, following the current attendance policy. Role overview The Manager of Strategy and New Business Development leads efforts to launch and grow new business ventures. This position covers the full spectrum from spotting strategic opportunities to shaping and validating business models. The work combines high-level planning with direct execution, including defining investment theses, building business cases, and moving concepts into tangible products and market initiatives. This role suits professionals looking to go beyond traditional consulting. It involves close collaboration with C-level executives and hands-on participation in developing new business streams. Main responsibilities Identify and structure new venture opportunities by analyzing markets, tracking trends, studying consumer behavior, and evaluating competitors. Turn strategic goals into actionable plans that link strategy, operations, and financial outcomes.

CI&T brings together technology expertise and artificial intelligence to deliver scalable solutions for clients worldwide. With a team of more than 8,000 professionals and over 1,000 client partnerships, the company draws on thirty years of experience. Artificial intelligence is a core part of CI&T’s approach to technology transformation. Role overview The Senior Data Engineer will join a team focused on a significant project for a major American investment client. This role centers on advancing data initiatives that have a direct impact on the client’s operations. Collaboration and teamwork are key aspects of the work environment. Work location This position is based in Campinas, SP, Brazil and follows a hybrid model. The schedule includes three days per week working onsite at the Campinas office, with the remainder remote.