We are looking for a **Senior Java Backend Developer** to work on the design, evolution, and maintenance of **highly complex distributed systems**, with a strong focus on **architecture, scalability, and product impact**. You will join a technically mature team responsible for platforms built on **microservices and event-driven architectures**, tackling real-world challenges related to performance, resilience, observability, and increasing load. We expect active participation in defining solutions, technical standards, and architectural direction. We value professionals with a systemic mindset, the ability to technically influence the team, excellent communication skills, and a strong **product orientation**, deeply understanding how technical decisions affect the business and user experience. **Responsibilities and duties** * Technically lead the **design and evolution of backend systems** in **Java**, considering distributed and highly available environments * Define and evolve **microservices and event-driven architectures**, ensuring loose coupling, scalability, and resilience * Actively participate in **architectural decisions**, evaluating technical trade-offs, risks, and product impact * Develop and maintain **REST APIs** and asynchronous integrations between systems * Implement and enhance robust **observability practices** (logs, metrics, traces) * Directly contribute to **scalability strategies**, including horizontal pod scaling, application and infrastructure tuning * Provide technical support to the team through **code reviews**, standard definition, and mentoring * Collaborate closely with Product, DevOps, QA, and other teams to ensure technical and business alignment * Contribute to continuous platform improvement, code quality, and system reliability **Requirements and qualifications** **Mandatory requirements:** * Proven, solid experience as a **Senior Java Backend Developer** * Proficiency in **Java** and **Spring Boot** * Strong knowledge of **distributed system design** and **microservices architecture** * Practical experience with **event-driven architectures** and messaging systems * Advanced hands-on experience developing and versioning **REST APIs** * Experience with **observability**, monitoring, and production troubleshooting * Practical knowledge of **scalability**, including auto-scaling of pods, performance tuning, and capacity planning * Excellent **communication and soft skills**, with the ability to technically influence the team * Strong **product orientation**, understanding business rules, metrics, and solution impact **Nice-to-have:** * Experience with **Kafka, RabbitMQ or similar** * Experience with **Docker and Kubernetes** * Cloud experience (**AWS, Azure or GCP**) * Knowledge of observability tools (**Prometheus, Grafana, ELK, Datadog**, etc.) * Experience with **automated testing**, software quality, and mature engineering practices **Additional information** * Flexible work model (**remote or hybrid**) * Involvement in critical, large-scale projects * Challenging technical environment with autonomy and high responsibility * Real space for technical decision-making and architectural influence * Continuous encouragement of technical and behavioral development We value diversity and believe that diverse teams build more efficient and innovative solutions. **Here, we are \#SangueLaranja!** We have been in the market for 17 years, side by side with our clients, delivering transformative experiences. We are a global technology and innovation ecosystem; beyond Brazil, we operate in Europe and the UK, with offices in Portugal, London, Dubai, and the Netherlands. **F for Formation: we believe in practicing a culture of sharing, community spirit, and that knowledge** **has the power to transform!** We run initiatives and social actions promoting development, such as the Orange Juice tech community, the Training Program, our leadership school, and numerous partnerships with NGOs and Edtechs. **At FCamara, everyone is welcome — for us, Diversity, Respect, and Ethics are non-negotiable elements embedded in our DNA.** **So, are you ready to join an amazing team and become the protagonist of your own story?**