Senior .NET Developer at CI&T | Brazil

CI&T desenvolve soluções tecnológicas escaláveis, combinando experiência humana com Inteligência Artificial. Com mais de 8.000 pessoas em seu time global, a empresa já colaborou com mais de 1.000 clientes ao longo de três décadas. A IA faz parte da rotina diária na CI&T. Aviso importante: Para quem mora na Região Metropolitana de Campinas, a presença nos escritórios será exigida conforme a política vigente. Sobre a vaga O papel de Senior Java Developer (Tech Lead) envolve liderar tecnicamente um projeto em uma das maiores seguradoras do Brasil. O foco está em orientar o time de desenvolvimento, promovendo colaboração, evolução técnica e entregas consistentes em ambiente ágil. Principais responsabilidades Liderar e apoiar a equipe de desenvolvimento, fornecendo orientação técnica diária. Participar de rituais ágeis: dailies, planejamentos, revisões e retrospectivas. Ajudar a construir e priorizar o backlog, garantindo entregas contínuas de valor. Projetar, desenvolver e implementar soluções com foco em qualidade, escalabilidade e manutenção. Revisar código e assegurar o uso de boas práticas de engenharia de software. Estimular o aprendizado contínuo e a colaboração dentro do time. Requisitos Experiência com desenvolvimento Java usando Spring. Conhecimento em testes unitários e automatizados. Atuação prévia com arquitetura de microserviços. Familiaridade com comunicação assíncrona (filas e tópicos). Experiência com CI/CD e integração contínua. Conhecimento em versionamento de código usando Git. Vivência em equipes ágeis. Conhecimento dos princípios SOLID e Clean Architecture. Habilidades de comunicação, trabalho em equipe e adaptação a diferentes cenários. Familiaridade com Inteligência Artificial. Diferenciais Conhecimento em Angular. Conhecimento em Node.js. Experiência com Kubernetes. Experiência com AWS e seus principais serviços.

CI&T is looking for a Senior Fullstack Developer based in Brazil with strong experience in Angular and Java. This role centers on building and enhancing software products in collaboration with cross-functional teams. Projects span both front-end and back-end work, with a focus on delivering practical solutions that create real value for clients. What you will do Develop and maintain applications using Angular and Java Collaborate with colleagues from various disciplines to achieve project objectives Share ideas and technical knowledge to improve products and development processes

Sobre a CI&T CI&T atua há 30 anos desenvolvendo soluções tecnológicas escaláveis, combinando inteligência artificial com expertise humana. Com mais de 8.000 profissionais e mais de 1.000 clientes globais, a empresa mantém a inovação como parte central do seu trabalho. Aviso para candidatos da Região Metropolitana de Campinas Para quem reside na Região Metropolitana de Campinas, a presença nos escritórios é obrigatória, conforme a política de frequência vigente. Visão geral da vaga O time busca um Desenvolvedor Java Sênior para atuar em projetos do setor bancário. O papel envolve desenvolvimento de aplicações, manutenção de sistemas críticos e garantia da qualidade das entregas. Principais responsabilidades Desenvolver novas aplicações e funcionalidades conforme o roadmap. Manter sistemas críticos em funcionamento. Monitorar o desempenho das aplicações e agir rapidamente diante de problemas. Acompanhar rotinas de processamento de arquivos para garantir eficiência. Investigar e resolver incidentes conforme necessário. Produzir código limpo, escalável e eficiente, seguindo boas práticas. Participar de revisões de código, oferecendo feedback construtivo. Diagnosticar e corrigir bugs e problemas de desempenho. Colaborar no design e arquitetura de sistemas. Garantir a qualidade das novas funcionalidades durante a homologação. Participar de reuniões interdepartamentais para acompanhar mudanças no ambiente. Preparar e supervisionar o gerenciamento de mudanças, incluindo deploys em produção. Tecnologias utilizadas Java: Java 11, Java 21 Frameworks: Spring, Spring Boot Gerenciamento de dependências: Maven Outras tecnologias: .NET Ferramentas de desenvolvimento: GIT, Jenkins, Docker Localização: Brasil

CI&T brings together human expertise and 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, the company has spent three decades applying AI to practical business challenges. Location Requirement Candidates based in the Metropolitan Region of Campinas must work onsite at the Campinas office, according to the company’s current attendance policy. Role overview The Tech Lead - Java Specialist will support a client project in the insurance sector, focusing on the evolution of a core business application. This position combines hands-on full-stack Java development, technical team leadership, and regular client collaboration. Main responsibilities Design, develop, and improve business-critical applications using Java and related technologies. Lead technical discussions and mentor team members across the project lifecycle. Work closely with clients to understand requirements and deliver solutions that meet their needs. Enhance the product’s end-user experience and contribute to its ongoing development.

CI&T brings together technology and human expertise to create scalable solutions for clients worldwide. With over 8,000 team members and three decades of experience, the company has supported more than 1,000 organizations, making artificial intelligence a key part of its approach. Role overview This mid-level Fullstack Developer position focuses on Java and Angular. The role involves working on a project in the financial sector, collaborating with a team based in Brazil. Location details Candidates living in the Metropolitan Region of Campinas must follow the current attendance policy, which requires working from the CI&T office in Campinas. Who we are looking for Fullstack developers with experience in Java and Angular Based in Brazil Ready to contribute to projects in the financial sector

At CI&T, we are leaders in tech transformation, merging human talent with AI to deliver scalable technology solutions.With a global team of over 8,000 professionals, we proudly partner with more than 1,000 clients, showcasing three decades of innovation. Artificial Intelligence is at the core of our operations.We are on the lookout for a skilled Senior .NET Developer to join our innovative team! Key Responsibilities:Design, develop, and uphold high-quality C# code within our microservices architecture.Implement intricate business logic for a prominent client in the food industry.Prioritize tasks effectively to ensure the delivery of performant solutions.Maintain comprehensive documentation and engage in CI/CD processes.Create APIs to enhance communication between microservices.Apply messaging patterns to facilitate asynchronous service communication.Integrate external systems and databases while preserving system integrity.Implement robust error handling and ensure resilience in service interactions.Develop thorough unit and integration tests for C# components.Conduct code reviews to uphold code quality and architectural standards.Troubleshoot complex technical issues within the service ecosystem.Guide junior developers in C# best practices and design patterns.Participate actively in technical decision-making and architectural planning. Required Qualifications:Proven experience with C# and .NET development.In-depth knowledge of .NET Core/5+ and ASP.NET Core Web API.Experience working with microservices architecture and distributed systems.Strong proficiency in asynchronous programming patterns in C# (Task, async/await).Advanced skills in C#, including LINQ, generics, and reflection.Experience with dependency injection and inversion of control patterns.Familiarity with ORM frameworks such as Entity Framework Core.Knowledge of RESTful API design and implementation.Experience with SQL Server and crafting efficient queries.Understanding of data access patterns and transaction management.Familiarity with database performance optimization techniques.Experience with data serialization formats (JSON, XML).Proficiency in unit testing frameworks (xUnit, NUnit, or MSTest).Familiarity with mocking frameworks (Moq, NSubstitute).Experience with Docker for containerization.Fluent in English. Preferred Qualifications:

CI&T brings together human expertise and artificial intelligence to deliver technology solutions at scale. With over 8,000 professionals worldwide and a track record of more than 1,000 client partnerships over three decades, the company integrates AI into both daily work and client projects. Location Requirement Important: Candidates living in the Metropolitan Region of Campinas must follow our current attendance policy, which requires onsite work at the Campinas office. Role Overview This Mid-Level Java Developer position is based in Brazil and supports a project within the financial sector. The role centers on collaborating with the development team to deliver solutions that meet client needs and business goals. Main Responsibilities Collaborate with team members to deliver high-quality technology solutions for clients. Apply a systemic approach to problem-solving, always considering business outcomes. Contribute to team development by participating in training sessions, dojos, and ongoing knowledge sharing. Required Qualifications Hands-on experience with Java 11 and 17, and Spring Boot 3. Familiarity with JavaScript and TypeScript (version 4 or above). Strong understanding of Design Patterns, object-oriented programming, and principles like SOLID, KISS, DRY, and YAGNI. Background in automated testing practices. Proficiency using Git. Knowledge of relational and/or non-relational databases. Experience building and consuming RESTful APIs. Preferred Qualifications Previous experience with front-end development.

CI&T brings together human expertise and AI to deliver scalable technology solutions. With over 8,000 professionals worldwide and more than 1,000 clients served in 30 years, CI&T continues to drive innovation in the tech sector. Role Overview CI&T is hiring a Salesforce Developer in Brazil. This role involves building and maintaining enterprise-grade solutions using Salesforce Core Clouds (Sales, Service, Experience) and newer technologies such as Data Cloud and Agentforce. Developers work in Agile squads, supporting client projects and contributing to CRM and automation initiatives. What You Will Do Develop and maintain scalable solutions with Apex, Lightning Web Components (LWC), SOQL, and custom metadata types. Build automation using Flows, declarative tools, API integrations, and Mulesoft. Participate in code reviews, manage Salesforce Change Sets, and work with CI/CD tools like Copado and Gearset. Apply Salesforce development best practices and security standards throughout your work. Enhance Sales Cloud features, including lead and opportunity lifecycle management and custom quote flows. Support Service Cloud, focusing on case management and Omni-Channel Routing. Customize Experience Cloud portals using Lightning components and tailored user experiences. Requirements Must-Have Skills Deep experience with Salesforce Core Clouds (Sales, Service, Experience). Strong skills in Apex, LWC, and SOQL. Background in automation tools and API integrations. Solid understanding of Salesforce best practices and security standards. Fluent English and strong communication skills. Nice-to-Have Skills Familiarity with Data Cloud and Agentforce. Experience with CTI integrations, Einstein Bots, and Service Console enhancements. CI&T values collaboration, innovation, and transformation. The team is powered by AI and a commitment to continuous improvement.

Role Overview CI&T is seeking a Senior Developer with a focus on Generative AI to join the team in Brazil. This position centers on designing, building, and deploying AI-driven solutions that support business goals. What You Will Do Develop and implement software using Generative AI technologies Collaborate with cross-functional teams to deliver solutions that address customer needs Contribute to projects that improve user experience and add business value Who We’re Looking For Experience with Generative AI and related technologies Strong software development skills Comfort working in a collaborative, team-oriented setting Interest in solving complex technical challenges Location This role is based in Brazil.

CI&T combines human expertise and artificial intelligence to deliver technology solutions at scale. With over 8,000 professionals and a 30-year track record, the company partners with clients worldwide to make AI practical and valuable. Candidates based in the Metropolitan Region of Campinas must comply with the current office attendance policy and work from the Campinas office as required. Role overview This mid-level fullstack developer role centers on building and maintaining scalable systems using Java/Springboot and React/Next.js. The position involves integrating applications with cloud platforms and working closely with a technical team to deliver reliable solutions. Main responsibilities Develop and maintain applications with Java/Springboot and React/Next.js Participate in technical decisions and suggest improvements for scalability Integrate systems within secure and resilient cloud environments Design and implement BFF/microservices architectures for Kubernetes (EKS) deployments Help build CI/CD pipelines for secure, traceable releases Ensure observability using logs, metrics, and alerts Communicate technical solutions clearly and collaborate with team members Technologies and tools Cloud: AWS (primary), Azure (occasional) Platform: EKS, API Management, ECS, Lambdas, Storage, Queues Data: PostgreSQL, Oracle, Couchbase Integrations & Security: APIs, SSO (ForgeRock) DevOps: CI/CD, Infrastructure as Code Observability: Dynatrace Languages/Frameworks: Java/Springboot, React/Next.js Requirements Professional experience as a Java/Springboot developer Hands-on development with React/Next.js Working knowledge of AWS Cloud (Lambdas, SQS, EKS) Understanding of both relational and non-relational databases Technical maturity, collaborative approach, and focus on quality Clear communication skills Commitment to continuous improvement and operational reliability Preferred qualifications Experience with caching tools such as Redis Background in corporate or governed environments Work with API-oriented architectures and microservices Exposure to solutions using Artificial Intelligence Experience communicating with technical leadership at client organizations Desired knowledge Advanced understanding of data security practices

At CI&T, we are at the forefront of technological transformation, merging human expertise with AI to develop scalable tech solutions. With a global team of over 8,000 CI&Ters, we have partnered with more than 1,000 clients throughout our 30-year history. Artificial Intelligence is central to our operations.Important: If you reside in the Metropolitan Region of Campinas, you will be required to work from the office in accordance with our current attendance policy.As a Systems Architect, you will spearhead the design and development of secure, resilient, and scalable cloud environments. You will collaborate with cross-functional teams to implement best practices in cloud architecture and API management, ensuring high-quality deliverables that meet client expectations. Your expertise will drive technical decisions and elevate team standards, fostering an environment of innovation and continuous improvement.Key Responsibilities:Design and develop solutions on the AWS platform adhering to architectural best practices.Define and document system architectures that meet both business and technical requirements.Lead technological decisions and establish development standards.Evaluate scalable and resilient technical solutions.Translate business requirements into effective technical solutions in collaboration with teams.Guide development teams in implementing best practices.Actively participate in the evolution of existing system architecture.Conduct performance analysis and optimization of applications.Understand the Value Stream roadmap and anticipate technical enablers.Manage technical risks, communicate impediments, and orchestrate product evolution trade-offs.Maintain technical relationships with stakeholders, ensuring functional and non-functional requirements are met.Promote continuous improvement in architectural practices and align technical decisions with client needs.What Your Daily Routine Will Look Like:Engagement with stakeholders: You will interact with various profiles (analysts, managers, users, partners) to ensure a comprehensive understanding of...

Role overview CI&T seeks a Senior Java Developer located in Brazil. The position centers on building and maintaining software solutions that align with client business requirements. Teamwork is a key part of this role, with frequent collaboration alongside experienced colleagues. What you will do Design, develop, and maintain applications using Java Create software solutions that help improve client processes Collaborate with other professionals to deliver reliable, high-quality results Apply deep knowledge of Java and remain open to learning new technologies and approaches

At CI&T, we are leaders in technological transformation, combining human expertise with AI to develop scalable tech solutions. With over 8,000 CI&Ters worldwide, we have partnered with more than 1,000 clients throughout our 30-year history. Artificial Intelligence is not just our focus; it's our reality.Important: If you reside in the Metropolitan Region of Campinas, you will be required to be present at our offices in the city, in accordance with the current attendance policy.We are searching for a talented COBOL/Mainframe Developer with substantial experience in large-scale environments and practical knowledge of the traditional mainframe technology stack, particularly within banking environments. We desire an individual who demonstrates technical excellence, organizational skills, and effective communication within agile teams.Key Responsibilities:Develop, troubleshoot, and maintain legacy systems in a Mainframe environment;Work with COBOL, JCL, and sequential file manipulation;Utilize SQL and DB2/HPU for data handling and queries;Operate and monitor scheduling routines using tools like CONTROL-M and IWS;Engage with various utilities (HPU, SORT, PLAN, among others);Interact with specific systems and tools in the environment such as HexaVision, TSO, CDES;Actively participate in ceremonies and processes within agile methodologies (Scrum, Kanban, etc.).Required Qualifications:A minimum of 2 years of hands-on experience with:COBOL;JCL;Mainframe utilities (HPU, SORT, PLAN...);Sequential files;DB2 (via HPU) and SQL language;CONTROL-M and/or IWS;Environment (HexaVision, TSO, CDES, etc.);Experience working in agile teams.Preferred Qualifications:Knowledge of VSAM;Experience with ADABAS/Natural.This position requires availability for travel to the Osasco or Curitiba regions twice a week.

Join us at CI&T, leaders in technological transformation, where we blend human expertise with AI to craft scalable tech solutions. With a global team of over 8,000 CI&Ters and partnerships with more than 1,000 clients over our 30-year history, we make Artificial Intelligence our reality.Note: Candidates residing in the Metropolitan Region of Campinas are required to work on-site in our office, in accordance with our current attendance policy.Key Responsibilities:- Foster strong relationships with clients and team members;- Ensure clear communication with the team and clients regarding daily activities;- Engage actively in all phases of the software development lifecycle, including technical refinement, development, testing, and deployment;- Monitor adherence to best development practices;- Proactively identify opportunities and challenges, acting swiftly to develop preventive solutions;- Assist in guiding the team and contributing to project decision-making;- Proficiency in Java development with Spring Boot, including experience in microservices architecture and effective business domain segregation practices;- Participate in code reviews to ensure quality and compliance with best practices;- Collaborate effectively with both team members and clients to create a productive and harmonious work environment;- Experience in implementing engineering best practices such as DevOps, CI/CD, and SCM for APIs. Qualifications:- Proficient in Java, Spring Boot, Angular, and Node.js;- Solid experience with Angular;- Familiar with quality culture (unit, functional, integration, and automated testing);- Experience with DevOps culture;- Skilled in code review practices;- Mastery of development best practices and principles (Clean Code and hexagonal architecture);- Experience with agile methodologies including SCRUM and KANBAN, including dailies, sprints, and reviews.

CI&T brings together human expertise and advanced AI to build scalable technology solutions. With a team of more than 8,000 professionals worldwide and over 1,000 clients, the company draws on thirty years of experience. Artificial Intelligence is central to CI&T’s work. Role overview The Senior Data Analyst will analyze and interpret data to support every stage of the data product lifecycle. This includes initial concept, development, deployment, and ongoing optimization. The position requires strong technical skills, strategic thinking, and critical analysis. Collaboration with colleagues is essential to deliver successful data-driven projects and maintain daily operations. Key responsibilities Analyze and interpret complex data sets Enhance and optimize data products throughout their lifecycle Work closely with team members to ensure project success Support both project execution and routine data operations Requirements Technical proficiency in data analysis Strategic and analytical mindset Strong teamwork and communication skills This position is based in Brazil.

At CI&T, we are specialists in tech transformation, merging human expertise with cutting-edge AI to deliver scalable technology solutions.With a global workforce of over 8,000 CI&Ters, we have successfully partnered with more than 1,000 clients throughout our 30-year journey, making Artificial Intelligence a core aspect of our reality.Key Responsibilities:- Implement and oversee integration standards as defined by Solution Architecture- Manage and operate API and integration platforms- Ensure security of APIs and integrations- Maintain end-to-end observability of integrations- Facilitate both synchronous and asynchronous integrations- Empower teams and vendors in integration processes- Guarantee the reliability and quality of integrationsRequired Skills:- Proficient experience with Azure and/or AWS- Expertise in REST API design and development: OpenAPI/Swagger, API versioning, and authentication patterns- Experience with microservices architecture integration- API management skills using Azure APIM- Familiarity with API Gateway patterns including rate limiting, caching, and request/response transformation- Version control proficiency with Git- Knowledge in monitoring and observability techniques: metrics, alerts, and dashboards- Infrastructure as Code (IaC) experience using TerraformPreferred Qualifications:- Skills in API analytics: usage patterns and performance optimization- Experience with SaaS integrations (SAP, Salesforce)Soft Skills:- Fluency in Portuguese and/or Spanish, as well as English- Capability to collaborate with external partners and vendors- Strong documentation and knowledge-sharing skills

Join CI&T, the specialists in tech transformation, where we merge human expertise with AI to develop scalable technological solutions.With a global team of over 8,000 professionals, we've established partnerships with over 1,000 clients in our 30-year journey. At CI&T, Artificial Intelligence is not just a concept, it's our reality.We are looking for a passionate and accomplished Senior Software Developer to join our innovative team in Brazil. This role offers the opportunity to contribute to groundbreaking projects in a collaborative, innovative, and multicultural environment. Position Overview:As a Senior Software Developer, you will be pivotal in designing and developing robust applications utilizing SQL Server, Visual Basic 6, and C# .NET. You will work closely with cross-functional teams to ensure high-quality deliverables that align with client expectations and improve user experience.

CI&T works at the intersection of human expertise and AI, delivering technology solutions at scale. With more than 8,000 professionals worldwide and decades of experience across 1,000+ client partnerships, the company integrates Artificial Intelligence into daily operations. Location Requirement Important: Candidates living in the Metropolitan Region of Campinas are required to work onsite at the Campinas office, in line with the company’s current attendance policy. Role overview This Senior Java/Kotlin Developer position involves collaborating on projects for a financial sector client. The role combines hands-on development with supporting technical leadership and contributing to agile deployments. High-quality delivery remains a key focus throughout each project. Main responsibilities Collaborate with teams to deliver technology solutions for a client in the financial market Support technical leadership within the development group Participate in agile deployments, maintaining a strong focus on quality Requirements Solid experience in backend development using Java 11, Spring Boot, and Kotlin Practical experience with messaging systems such as SQS, Kafka, or RabbitMQ Automated testing experience is a plus Familiarity with PostgreSQL, including both relational and non-relational features Knowledge of AWS Cloud Soft skills Understanding of agile practices within development teams Resilience in the face of challenges Proactive work style Ability to partner with clients, understand their goals, and suggest solutions Strong communication skills to build constructive relationships with colleagues

CI&T combines technology expertise with human insight to create scalable solutions. The company has over 8,000 professionals worldwide and has partnered with more than 1,000 clients over the past thirty years. Artificial intelligence is part of CI&T's daily work. Location Requirement Candidates living in the Metropolitan Region of Campinas must work in-office, following CI&T's current policy. This position is open to professionals based anywhere in Brazil, but the in-office requirement applies specifically to those in that region. Role Overview This Mid Level Fullstack Developer (Java + Angular) role focuses on a project in the financial sector. The work aims to deliver solutions that have a meaningful impact. Main Responsibilities Collaborate with the development team to deliver high-quality solutions for clients. Apply a broad understanding of business needs to solve problems effectively. Contribute to team growth by sharing knowledge through training sessions and dojos.