Mid-Level Backend Java/Kotlin Developer

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.

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.

Join Experian as a Mid-Level Backend Developer specializing in Java. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our innovative products. Collaborate with cross-functional teams to deliver high-quality software solutions that meet the needs of our clients.

At ciandt, we are experts in technological transformation, combining human expertise with AI to develop scalable tech solutions. With over 8,000 CI&Ters globally, we've partnered with more than 1,000 clients throughout our 30-year history. Artificial Intelligence is a part of our everyday reality.Important: If you reside in the Campinas Metropolitan Area, your presence in the city’s offices will be required per the current attendance policy.Key Responsibilities: - Collaborate to understand technical requirements, participating in inception and refinement sessions; - Engage in the development and enhancement of high-performance, scalable solutions; - Establish and maintain the client's primary partnership channel.Qualifications for this Opportunity:- Proficient in: Java 17+;- Spring Boot;- NodeJs;- Microservices;- REST APIs.- Effective communication skills to ensure alignment among team members and clients;- Strong understanding of business demands and technical refinement;- Code quality and adherence to programming best practices;- Ability to critique and pursue continuous improvement. Preferred Qualifications:- Knowledge of Generative AI;- Familiarity with Angular development;- Experience with hexagonal architecture, CI/CD, Docker, Kubernetes, automated testing, Websphere. #LI-BS3#mid-level

Join Experian as a Mid-Level Java Software Development Analyst, where you will have the opportunity to contribute to innovative projects that drive impactful results. In this role, you will work collaboratively with cross-functional teams to design, develop, and implement software solutions that enhance our services and improve customer experiences.

About the Team BTG Pactual’s IT BSM group develops technology that supports complex financial products in Brazil and Latin America. The team’s work directly shapes the pricing and management of products like foreign exchange, public and private securities, and derivatives (including forwards, NDFs, swaps, and options). This area sits at the intersection of technology and finance, offering challenges that require both technical skill and business understanding. Role Overview This Junior/Mid-Level Backend Developer position is based in São Paulo. The team focuses on delivering practical and reliable solutions using current technologies. Projects often require building new systems from scratch, handling real-time data, and optimizing performance. There is also ongoing work to migrate legacy systems to newer platforms, ensuring they remain functional and scalable. What to Expect Work with a group that values efficiency, reliability, and ongoing technical improvement. Take on projects involving real-time data, system optimization, and platform migrations. Collaborate directly with business teams in Operations and Finance to deliver solutions that affect client experience. Bring ideas forward, try new approaches, and develop professionally with support from the team.

About the Role BTG Pactual is hiring a Junior or Mid-Level Backend Developer for the IT Trading team in São Paulo. This group builds and maintains systems that capture trades from multiple market sources, including brokers, exchanges, and communication channels like chat and voice. Team Collaboration The IT Trading team works closely with colleagues in operations, finance, trading, compliance, and regulatory areas. Team members also interact with users based in Peru, USA, UK, Colombia, Chile, and Argentina. Key Challenge The main technical focus is on maintaining scalable trading flows and ensuring information moves reliably from trade capture through to settlement.

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

Role Overview ciandt is hiring a Mid-level Java Backend Developer in Brazil. This role focuses on supporting women in technology and contributing to projects that use current Java technologies to build scalable backend systems. What You Will Do Develop and maintain backend solutions using Java Work with cross-functional teams to deliver software that meets project goals Help ensure projects are completed on schedule and within budget Who We’re Looking For Experience with Java backend development Comfort working in collaborative, multidisciplinary teams Interest in supporting initiatives that empower women in technology This position is based in Brazil.

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 ciandt as a Mid-Level Fullstack Developer specializing in Angular and Java. In this role, you will collaborate with a dynamic team to design and develop innovative software solutions that meet the needs of our clients.

About the Role AB InBev is looking for a Mid-Level Java Developer to join the team in Campinas, Brazil. This position focuses on designing, building, and maintaining Java applications that help drive daily operations. What You Will Do Design and develop Java-based applications to meet business requirements Maintain and enhance existing systems to ensure reliability and performance Collaborate with team members to solve technical challenges and deliver solutions Location This role is based in Campinas, Brazil.

CI&T brings together human expertise and artificial intelligence to deliver scalable technology solutions. With a team of over 8,000 professionals and a history of more than 1,000 client partnerships over thirty years, CI&T has a strong track record in applying AI to real-world challenges. Location Requirement Note: Candidates based in the Metropolitan Region of Campinas must work onsite at our city offices, following our current attendance policy. PCD-Exclusive Role This position is open only to individuals with disabilities (PCD). Role overview Work on a strategic project for a major client in the benefits sector. The focus is on developing scalable Java solutions that serve thousands of users. What you will do Participate in all phases of the software development life cycle Design and implement APIs and microservices using Java Perform functional (end-to-end), integration, and automated tests; troubleshoot and resolve issues Maintain code quality with best practices and automated testing Contribute to architectural decisions Collaborate with other teams to ensure smooth integration and system operation Requirements Proven experience in Java development Familiarity with frameworks such as Spring Boot Experience working with both relational and NoSQL databases Knowledge of code versioning tools like Git Understanding of agile methodologies (Scrum or Kanban) Strong teamwork and communication skills Knowledge of cloud computing, especially AWS Desirable Experience with CI/CD tools Involvement in development communities or open source projects

Join ciandt, a leader in technological transformation, where we merge human expertise with AI to develop scalable tech solutions. With over 8,000 professionals worldwide and partnerships with more than 1,000 clients over our 30-year history, we embrace the reality of Artificial Intelligence.

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 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.

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

cpqd is a Brazilian technology organization specializing in information and communication technology for a range of sectors, including telecommunications, agribusiness, finance, utilities, manufacturing, urban development, retail, and defense and security services. The company focuses on developing local technology and delivering solutions tailored to the needs of these industries. The team values sustainable results and aims to support the growth of both individuals and society. cpqd’s culture is shaped by a set of core principles that influence daily work and collaboration. Role overview The Backend Developer II - Java will join the team in Campinas, São Paulo, Brasil. This role centers on building backend solutions using Java, contributing to projects that align with the company’s values and goals. Core values Collaboration Orientation towards the client Confidence Respect Innovation Adaptability Result The company encourages a work environment built on these principles, shaping both team interactions and the solutions delivered to clients.

Location: BrazilOnsite requirement: Candidates living in the Campinas Metropolitan Region must work in the Campinas office, following CI&T's attendance policy. About CI&T CI&T builds scalable technology solutions by combining human expertise with artificial intelligence. With a team of over 8,000 professionals worldwide, the company has partnered with more than 1,000 clients over 30 years of innovation. AI is integrated into daily work at CI&T. Role Overview CI&T is looking for a Senior Java Backend Developer to join the development team. The focus is on raising technical standards and driving ongoing innovation.

Vivo develops technology aimed at raising industry standards and providing practical solutions for clients. The team encourages curiosity, collaboration, and continuous professional development, supporting members as they advance their skills and careers. Role overview The Senior Backend Java Developer will play a key part in modernizing the SAP commission system. This remote position focuses on designing and implementing RESTful APIs with Java and Spring, emphasizing strong system integration. What you will do Develop backend features in Java for the SAP commission system modernization initiative. Design and build RESTful APIs to enable integration with other platforms. Define and maintain architectural standards and best practices using Spring. Review code to help ensure high system quality. Support DevOps integration, including deployment automation and application monitoring. Optimize databases to enhance performance and availability. Work location This role is fully remote.