Senior Java/Kotlin Developer

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

At CI&T, we are pioneers in technological transformation, merging human expertise with AI to develop scalable tech solutions. With a global team of over 8,000 professionals, we have partnered with more than 1,000 clients throughout our 30-year history. AI is not just a concept for us; it’s our reality.Note: If you reside in the Metropolitan Region of Campinas, you are required to be present in our offices according to the current attendance policy.Your Mission:Engage throughout the entire product lifecycle, from functionality conception to testing, production deployment, maintenance, and continuous improvement, delivering services linked to one of Brazil's largest banks.Essential Skills:- Proficient in object-oriented programming, specifically Java and Kotlin.- Experience with microservices architecture.- Familiarity with software development best practices - TDD, DDD, Clean Code, and Hexagonal Architecture.- Knowledge of Agile methodologies: SCRUM or KANBAN.- SQL database management.- Proficient in HTTP/HTTPS protocols.- Experience with GIT/Git Flow.- Strong communication and teamwork skills.- Ability to troubleshoot technical issues (bugs/incidents/analysis).- Adherence to client-defined policies and processes.- Capability to code unit, functional, and performance tests following team guidelines.- Skill in instrumenting applications for performance data extraction, operational logs, and metrics.Preferred Skills:- Experience with Spring Boot and/or Javalin.- Familiarity with Kafka / SQS / SNS.- Knowledge of NoSQL databases.- Proficiency in Docker and Kubernetes.- Experience with data streaming solutions.- Knowledge of event-driven solutions.- Familiarity with API management platforms like ApiGee and NodeJs (server-side management, API management).- Experience with AWS.#LI-THAI23

Join our dynamic team at ciandt as a Senior Java Backend Developer specializing in Kotlin. In this pivotal role, you will design and implement robust backend solutions, driving innovation and efficiency in our projects.

CI&T combines human expertise with AI to deliver technology solutions at scale. With a global workforce of over 8,000 and three decades of experience, the company has partnered with more than 1,000 clients, focusing on digital transformation. AI tools and practices are part of daily work routines. Location requirement: Candidates living in the Metropolitan Region of Campinas must work in-office according to the current attendance policy. Role overview This mid-level backend developer position centers on Java and Kotlin development for a major client in the cards, benefits, and incentives sector. The role involves building scalable and resilient systems in an agile environment, emphasizing code quality and close team collaboration. What you will do Develop and improve applications using Java or Kotlin with Spring Boot. Design, build, and maintain secure, high-performance RESTful APIs. Create reactive applications with WebFlux. Apply resilience patterns, including tools like Resilience4j. Maintain code quality through automated testing and best engineering practices. Write unit and integration tests using JUnit. Use static code analysis tools such as Sonar to ensure quality standards. Contribute to CI/CD processes and help automate delivery pipelines. Work with version control and configuration management tools. Collaborate with cross-functional teams in agile settings. Use Flow to support productivity and quality throughout development. Requirements Professional experience with Java and/or Kotlin. Background in Spring Boot development. Hands-on experience building RESTful APIs. Experience with reactive programming and WebFlux. Knowledge of Resilience4j or similar resilience patterns. Practice with automated testing, including unit and integration tests. Experience using JUnit for testing. Familiarity with code quality analysis tools such as Sonar. Experience working with CI/CD pipelines. Experience using version control and software configuration management tools (for example, Git). Comfort working in agile teams and with activity management tools. Experience applying Artificial Intelligence to enhance productivity and code quality.

Role Overview ciandt is looking for a Senior Kotlin Developer based in Brazil. This role focuses on building applications with Kotlin and working alongside teams from different disciplines. The position centers on designing, developing, and implementing software that supports client needs. What You Will Do Work with cross-functional teams to deliver applications using Kotlin Design and develop features that address client requirements Contribute to the improvement of software development practices Help ensure products meet quality standards before release Location This position is based in Brazil.

Join our dynamic team as a Senior Java Developer at Sigma Software Group, where your expertise will play a pivotal role in developing innovative software solutions. We are looking for a passionate and skilled developer who thrives in a collaborative environment and is eager to tackle complex challenges.Your responsibilities will include designing, implementing, and maintaining high-quality Java applications, ensuring optimal performance and responsiveness. You will work closely with cross-functional teams to gather requirements and provide technical guidance.

Join our innovative team at netbr1 as a Senior Java Developer. In this role, you will leverage your extensive experience in Java development to design, implement, and maintain high-quality software solutions. Collaborate with cross-functional teams to deliver projects that enhance our product offerings and meet client needs.

Architect, develop, and deploy high-performance distributed systems capable of processing large data volumes while ensuring scalability, minimal latency, and robust fault tolerance.Design and implement APIs and event-driven architecture solutions to fulfill system requirements and improve overall functionality.Develop and execute thorough unit tests, API tests, regression tests, and performance assessments to guarantee system reliability and efficiency.Engage in close collaboration with diverse cross-functional teams to swiftly address and resolve production incidents, minimizing downtime and ensuring rapid recovery.

At CI&T, we specialize in technological transformation, merging human expertise with AI to craft scalable tech solutions. With over 8,000 CI&Ters globally, we have partnered with more than 1,000 clients throughout our 30-year history. Artificial Intelligence is our reality.Important: If you reside in the Metropolitan Region of Campinas, your presence in our Campinas office will be mandatory, in accordance with the current attendance policy.Key Responsibilities:- Collaborate with CI&T to serve a client in the financial sector;- Develop backend components;- Create and maintain high-quality, high-performance microservices;- Engage actively in all stages of the software development lifecycle, including technical refinement, development, testing, and deployment;- Work closely with the team to propose and implement technical solutions aligned with business requirements;- Participate in code reviews to ensure quality and adherence to best practices;- Foster a collaborative environment with both teammates and clients, promoting productivity and harmony;- Maintain clear and efficient communication with all team members, facilitating the exchange of information and alignment of objectives.Requirements:- Proficient in JAVA/Spring development;- Knowledge of Clean Code and REST APIs;- Ability to develop unit tests;- Experience in conducting code reviews;- Familiarity with Node.js;- Experience with version control tools (GitHub, GitLab, Azure DevOps Repos);- Understanding of agile methodologies such as SCRUM and KANBAN, including Dailies, sprints, and reviews;- Experience in a hybrid cloud environment (MS Azure), pipelines, sonar, and microservices architecture. Preferred Qualifications:- Knowledge in Generative AI;- Familiarity with Angular development;- Understanding of Hexagonal Architecture;- Experience with automated testing;- Familiarity with Docker and Kubernetes. #LI-BS3#senior

Role overview ciandt is hiring a Senior Java Backend Developer based in Brazil. This role focuses on building backend systems that support efficiency and strong performance for software projects. What you will do Develop backend solutions using Java Contribute technical expertise to software projects Support the creation of reliable and efficient systems

Join our dynamic team at Endava as a Senior Java Developer. In this role, you will leverage your expertise in Java development to deliver high-quality software solutions. You will collaborate closely with cross-functional teams to design and implement robust applications that meet our clients' needs.As a Senior Java Developer, you will be responsible for developing scalable and efficient applications, troubleshooting and debugging existing software, and mentoring junior developers. Your contributions will be vital in driving innovation and enhancing the overall performance of our projects.

CI&T combines human expertise with artificial intelligence to deliver scalable technology solutions. With a global team of over 8,000 professionals and more than three decades of experience, CI&T has completed AI projects for clients across various industries. Location note: Candidates living in the Metropolitan Region of Campinas must comply with the current office attendance policy. Role overview This Senior Java and React Developer role supports a project in the insurance sector. The position involves full-stack development, focusing on building and enhancing business-critical applications. The aim is to deliver modern, scalable, and integrated solutions that emphasize quality, performance, and user experience. Collaboration is central to this role. Work closely with multidisciplinary teams, engage with clients, and contribute to ongoing improvements in processes and technical solutions. What you will do Develop and maintain applications using Java and React Implement microservices with a focus on scalability, performance, and security Integrate systems with cloud services to support efficiency and reliability Collaborate with teams to define and deliver new features Participate in code reviews and maintain software quality standards Troubleshoot and resolve issues related to performance and scalability Support legacy system architectures as needed Develop event-driven solutions using tools such as Kafka Document processes, technical solutions, and architectural decisions Identify and implement continuous improvements with team members and clients Requirements Strong experience developing with Java Front-end development experience with React Experience working with both relational and non-relational databases (such as SQL Server and MongoDB) Knowledge of RESTful APIs and system integration Familiarity with DevOps practices and CI/CD tools Understanding of agile methodologies, including Scrum and Kanban Ability to identify problems and proactively suggest improvements Preferred qualifications Experience using Generative AI to enhance productivity Background with cloud platforms such as AWS, Azure, or Google Cloud Experience with orchestration tools

Role overview ciandt seeks a Senior FullStack Developer located in Brazil to join their team. The position centers on building and enhancing applications with a modern tech stack, including TypeScript, Next.js, React, Kotlin, and Spring Boot. Collaboration is key, as the role involves working alongside colleagues from various disciplines to deliver solutions that improve user experience and reliability. What you will do Design, develop, and maintain web applications using TypeScript, Next.js, and React for the front end Create and support back-end services with Kotlin and Spring Boot Partner with cross-functional teams to take features from initial concept through deployment Prioritize code quality and user experience throughout the development cycle

jobgether is looking for a Senior FullStack Developer based in Brazil. This position centers on building and maintaining applications using TypeScript, Next.js, React, Kotlin, and Spring Boot. Role overview This role involves developing software solutions and collaborating with teams across the company. The focus is on delivering reliable, high-quality applications that support ongoing projects and business goals. What you will do Design and implement features using TypeScript, Next.js, and React on the front end Develop and maintain backend services with Kotlin and Spring Boot Work with cross-functional groups to deliver software that meets requirements and timelines Requirements Professional experience with TypeScript, Next.js, and React Strong background in Kotlin and Spring Boot Ability to collaborate with other teams and contribute to project success

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

Role overview ciandt is looking for a Senior Java Developer based in Brazil. This role plays an important part in delivering complex projects and contributing to technical solutions across the team. What you will do Develop and maintain Java applications as part of a collaborative team Work on projects that introduce new technologies and approaches Contribute expertise to help solve technical challenges What we look for Strong experience with Java development Ability to work independently and as part of a team Interest in learning and tackling new problems This position is open to candidates located in Brazil.

CI&T brings together human expertise and AI to build scalable technology solutions. With a global team of more than 8,000 professionals and over 1,000 client partnerships across three decades, the company places Artificial Intelligence at the center of its work. Note: Candidates living in the Metropolitan Region of Campinas must follow the current attendance policy and work on-site at the Campinas office as required. Role overview This Senior Fullstack Developer position focuses on both backend and frontend development, using Java and Angular. The role involves close collaboration with the development team to deliver quality products, solve technical challenges, and promote knowledge sharing. Daily activities include updating task statuses in project management tools and integrating AI into regular workflows. What you will do Work with team members to deliver high-quality solutions for clients Troubleshoot and resolve technical problems Participate in daily team routines to encourage knowledge exchange Keep project management tools up to date with task progress Apply and refine AI skills in day-to-day development Requirements Advanced skills in Angular Experience with Java (versions 8, 11, 17, and 21) Familiarity with Spring and CDI frameworks Strong knowledge of Typescript and Javascript Background in AI applications within corporate settings Understanding of NodeJs Experience with CI/CD pipelines, Docker, and Kubernetes Awareness of DevOps practices Code review experience Solid grasp of development best practices, including Clean Architecture Microservices development experience Familiarity with Agile methodologies Proficiency in GIT Database knowledge Experience with RESTful APIs Experience working with Azure Cloud Preferred qualifications Knowledge of Python and React Experience with monitoring and tracing tools such as Azure Monitor, Dynatrace, or similar

Zup Innovation builds technology for clients aiming to raise their industry standards. The team values curiosity, collaboration, and a drive for technical excellence. This fully remote role offers the chance to shape solutions that matter. What You Will Do Improve and fine-tune back-end features using Kotlin, with a focus on efficiency and code quality. Develop, implement, and maintain front-end components in React, following current architectural practices and emphasizing performance. Act as a technical reference for architectural decisions, especially where front-end and back-end connect, and help guide the team in best practices. Troubleshoot and resolve complex issues across the full stack to support system stability and scalability. Work closely with colleagues on data solution modeling, aligning technical solutions with business needs. Review code and suggest ongoing improvements to development processes, supporting the team's technical growth. Location Remote

Join our dynamic team at Zup Innovation as a Senior Java Developer! We are committed to fostering a diverse and inclusive workplace, and we are particularly eager to welcome applications from individuals with disabilities.As a Senior Java Developer, you will work on innovative projects that challenge your technical skills and allow you to make a significant impact. Your expertise in Java and your ability to collaborate effectively with cross-functional teams will be essential in driving our projects to success.

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