Senior Backend Developer

About BEES Join us to build the future of B2B commerce! BEES is AB InBev’s B2B platform. Through our ecosystem, merchants and retailers across 29 countries can stock their businesses quickly, easily, and securely. At BEES, we dream big, lead with purpose, and develop technology that transforms the way retailers and sellers grow. Every line of code and every partnership is built in service of a single mission: to make commerce better for retailers and sellers around the world. Here, your work is not just important. It makes a difference! What you will do Lead the design, development, and maintenance of scalable backend services using Kotlin and Spring Boot; Drive the evolution of our microservices architecture, ensuring performance, resilience, security, and maintainability; Design, build, and optimize RESTful APIs and integrations across distributed systems; Improve system observability through monitoring, logging, tracing, and alerting; Collaborate with cross-functional teams to turn business needs into scalable technical solutions; Take an active role in technical discussions, architecture decisions, and continuous improvement initiatives; Champion engineering best practices, including idiomatic Kotlin, code quality, testing, and automation; Mentor other engineers through code reviews, pair programming, and knowledge sharing; Contribute to CI/CD pipelines, deployment processes, and cloud-native environments; Support and evolve containerized applications running on Docker and Kubernetes. We are looking for people with: University degree in Computer Science, Computer Engineering, Information Systems, Systems Analysis and Development, or related fields; Solid backend development experience with Kotlin, along with a strong foundation in Java and the JVM ecosystem; Proficiency in idiomatic Kotlin (null safety, data classes, sealed classes, extension functions) and a good understanding of Java–Kotlin interoperability; Hands-on experience building Kotlin applications with Spring Framework technologies such as Spring Boot, Spring Security, Spring MVC, and Spring Data; Experience designing and maintaining RESTful APIs and microservices; Proven experience developing and scaling high-throughput, distributed applications in production; Experience with software testing, including unit, integration, regression, stress, and automated testing, using tools such as JUnit, MockK, Kotest, or Testcontainers; Experience with application monitoring and observability tools such as New Relic, Datadog, or similar platforms; Experience with DevOps practices, CI/CD pipelines, and cloud-native tools such as Docker, Kubernetes, Azure, or similar technologies; Strong fundamentals in object-oriented and functional programming, data structures, algorithms, and problem solving; In-depth knowledge of design patterns, software architecture, and development best practices (e.g., SOLID, Clean Architecture, DDD); Experience working in Agile teams, mentoring other engineers, and leading technical discussions; Intermediate English communication skills, both written and spoken. Nice to have Experience with Kotlin coroutines and reactive programming (Spring WebFlux, Project Reactor); Experience with event-driven architectures and messaging platforms such as Kafka or RabbitMQ; Experience migrating Java codebases to Kotlin; Familiarity with Gradle using the Kotlin DSL; Knowledge of Infrastructure as Code tools such as Terraform. Who should apply? You’re passionate about software development and know how to ensure its quality; You’re motivated by building world-class solutions that impact millions of users around the world; You’re creative when solving problems and always looking for ways to improve processes and solutions; You communicate clearly with your team and across the company to identify issues and needs; You have the autonomy to recognize current and emerging priorities, evaluating how your work impacts the final result; You take ownership of your services, from design all the way to production; You enjoy sharing knowledge and helping other engineers grow. What We Offer Performance based bonus* Attendance Bonus* Private pension plan Meal Allowance Casual office and dress code Days off* Health, dental, and life insurance Medicines discounts WellHub partnership Childcare subsidies Discounts on Ambev products* Clube Ben partnership Scholarship* School materials assurance Language and training platforms Transport allowance *Rules applied