Senior Java Backend Developer

At CI&T, we are specialists in technological transformation, combining human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters globally, we have formed partnerships with more than 1,000 clients throughout our 30 years of history. Artificial Intelligence is our reality.Important: If you reside in the Campinas Metropolitan Area, your…

Role overview Jobgether seeks a Senior Backend Developer with advanced Node.js skills to join its engineering team in Brazil. This role centers on building and maintaining backend systems that power digital financial products used by a global audience. The work involves supporting platforms at scale and ensuring reliable performance for users worldwide. What you will do Design and implement secure, scalable backend services with Node.js Shape and refine the core architecture for digital financial platforms Optimize API performance and strengthen infrastructure resilience Contribute to new product development and influence technical strategy Tackle complex challenges involving real-time systems, microservices, and distributed applications Collaborate with engineers across regions in a remote-first setting Take ownership of projects and help guide platform direction Requirements Extensive experience as a backend developer, with deep Node.js expertise Proven ability to build secure, highly available, and scalable systems Comfortable addressing technical problems in evolving, international contexts Strong communication skills and experience working in distributed teams Work culture Remote-first approach with flexibility and autonomy Engineering team collaborates across multiple regions Chance to contribute to projects that have a global impact

At CPQD, we are a 100% Brazilian organization dedicated to creating innovative technology solutions that drive progress in various sectors, including telecommunications, agribusiness, finance, utilities, industry, urban development, retail, and defense.We believe that through Our Way of Being and Doing, we can achieve sustainable results while contributing to the development of our team and society.Our core values define our essence: collaboration, customer orientation, trust, respect, innovation, adaptability, and results.Institutional Values - CO-CREATE:CollaborationOrientation to customerConfidenceRespectInnovationAdaptabilityResultsDo you identify with Our Way of Being and Doing? Join us as a Backend Developer III and help us CO-CREATE!

cpqd is a Brazilian organization focused on developing technology in-house for a range of sectors. The team works in Information and Communication Technology (ICT), supporting areas such as telecommunications, agribusiness, finance, utilities, industry, urban development, retail, and defense and security. The organization emphasizes sustainable results that benefit both its team and society. Core values guide daily work and help define the company’s culture. Values Collaboration Orientation toward the client Confidence Respect Innovation Adaptability Results Role overview This Back End Developer II position centers on Python development. The job is based in Campinas, São Paulo. The role supports cpqd’s mission of building technology that has real-world impact. Candidates who share the company’s values and want to contribute to technology projects are encouraged to consider this opportunity.

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.

Role overview Jobgether is seeking a Senior Backend Developer with strong Node.js skills for a remote position based in Brazil. This role centers on building secure, scalable, and real-time backend systems that support digital finance services used by customers around the world. What you will do Design and implement backend infrastructure with Node.js Develop and maintain mission-critical services, APIs, and financial products Improve system performance and ensure reliability Collaborate with engineers in various regions Explore new technologies and contribute to distributed systems Requirements Extensive experience in backend architecture and distributed systems Strong problem-solving skills for complex technical challenges Background in delivering backend products at scale Comfort working remotely and independently Work culture The team values autonomy, ownership, and innovation. Collaboration happens remotely, with encouragement for new ideas and a focus on delivering dependable solutions to a global customer base.

Zup Innovation is looking for a Specialist Python Developer with expertise in Agents and MLOps. This fully remote role centers on developing and enhancing solutions that streamline machine learning operations. Key responsibilities Design and build Python systems that improve machine learning workflows Collaborate with teams across disciplines to deliver software products that match client needs Apply technical knowledge to projects involving agents and MLOps practices Work setup This position is remote, allowing work from any location.

About the Role anyone-ai is hiring a Backend Developer - AI Trainer based in Brazil. This position focuses on building and improving backend systems that power AI models. Work closely with colleagues from different teams to strengthen AI training workflows and support projects in artificial intelligence. What You Will Do Develop and optimize backend infrastructure for AI model training Apply programming and analytical skills to improve system performance Collaborate with cross-functional teams to advance AI training processes Contribute to projects shaping the field of artificial intelligence Location Brazil

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

About the Department:The IT Escrituração department is dedicated to the development and maintenance of solutions that support asset bookkeeping processes. This includes managing shareholder positions, registering and updating investor databases, processing corporate events (dividends, consolidations, splits, subscriptions), reconciling with custodians, and generating regulatory information.The team ensures the integrity, security, and availability of the systems that underpin the custodial bookkeeping, ensuring compliance with market rules and regulatory bodies, as well as proper integration with other internal areas and participants in the financial ecosystem.Your Daily Responsibilities:Actively participate in the conception and structuring of new products in collaboration with the business area.Work in a collaborative and democratic environment, with the autonomy to propose ideas and directly impact product evolution.Develop systems with cutting-edge technologies, contributing to innovative solutions in the financial market.

Join CI&T as a Tech Lead / Backend Developer and leverage your expertise to drive innovative solutions and lead dynamic development teams. In this role, you will be responsible for architecting robust backend systems and ensuring high performance and responsiveness to front-end requests.As a key member of our technology team, you will guide the development process, mentor junior developers, and contribute to best practices in coding and deployment. Your leadership will be pivotal in shaping our projects and fostering a collaborative environment.

Join the Inter team!At Inter, we believe that the future is shaped every day through the technology you develop, the connections you foster, and the ideas you bring to life. We are a comprehensive Super App offering complete digital banking solutions, investment opportunities, credit options, insurance, a marketplace, and various everyday services. But we are much more than that; we are a dynamic team that is always evolving.With this pace of innovation, new opportunities arise. Now is your chance to explore this smart way to invest in your career. Come and be part of #sanguelaranja!About the Position and MissionIn this role, you will create intelligent solutions using Generative AI that transform how people interact with technology. Your primary focus will be on developing advanced prompt engineering systems and implementing GenAI models that deliver innovative and precise experiences. More than just implementation, we want you to participate in AI architecture decisions and help enhance our capacity to create truly intelligent products.Your Daily Responsibilities:Develop Python applications integrated with GenAI models (OpenAI, Anthropic, Gemini)Create and optimize prompts for various use cases and domainsWork with frameworks like LangChain, LlamaIndex, and LangGraph for orchestration and creation of LLM agentsIntegrate language model APIs into distributed systemsParticipate in AI architecture decisions and best practices

Join BTG Pactual as a Backend Developer specializing in IT Asset Servicing. In this role, you will be responsible for designing, implementing, and maintaining backend services that power our asset servicing solutions. You will work closely with cross-functional teams to enhance our technology stack and improve service delivery.

Location: BrazilJob mode: Full-timeWork mode: Work from home Role overview Encora is seeking a Senior Full Stack Developer with strong experience in React and Python. This position joins an agile team focused on building digital products that support business objectives and client success. The role emphasizes both hands-on development and active participation in technical decisions. What you will do Design, develop, and maintain applications with attention to quality, scalability, and architectural best practices. Contribute to technical decision-making and advocate for continuous improvement in a senior capacity. Work closely with cross-functional teams, using strong communication skills and informal leadership to drive projects forward. Optimize application performance and reliability, making effective use of databases, search engines, and asynchronous processing. Requirements Extensive experience with Python programming. Proficiency in MySQL, including data modeling and query optimization. Solid knowledge of React. Experience using Redis for asynchronous processing. Familiarity with Elasticsearch for search optimization. Understanding of TypeScript is a plus. Demonstrated ability to design scalable architectures and follow development best practices.

Why Join Valtech? We are a pioneering experience innovation company and a trusted partner to some of the most recognized brands globally. At Valtech, we prioritize our people by providing growth opportunities, fostering a values-driven culture, offering international career paths, and empowering you to shape the future of experiences.Your OpportunityAt Valtech, you will thrive in an environment that encourages continuous learning, meaningful impact, and professional development. Whether you are creating cutting-edge digital solutions, challenging the status quo, or enhancing customer experiences, your contributions will play a vital role in transforming industries.

As a Financial Analyst and Python Developer at BTG Pactual, you will play a crucial role in bridging the gap between business needs and technological solutions.Your Responsibilities Include:Collaborating with business units to identify challenges and design effective solutions.Developing and maintaining data ingestion pipelines.Automating data processes related to finance and accounting.Building systems utilizing AWS Cloud tools.

Join Experian as a Senior Software Development Analyst specializing in Golang and Python. In this pivotal role, you will leverage your extensive experience to design, implement, and maintain innovative software solutions that drive business success. Collaborate with cross-functional teams to ensure the delivery of high-quality products while adhering to best practices in software development.

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 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.