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Job Summary: Senior Backend Developer to lead the design and development of system architectures, ensuring scalability, high performance, and continuous innovation on the platform. Key Highlights: 1. Lead and optimize the design of backend system architecture. 2. Develop and maintain complex APIs and secure microservices. 3. Mentor teams, elevate technical proficiency, and promote best practices. ### **Nice to meet you, Sympla** **Brazil's largest and best ticketing platform!** We exist to simplify connections between people and unique moments, and we’re proud to have innovation embedded in our DNA. We believe in meaningful, straightforward, and comprehensive experiences! And to **dream big** with us, we’re always seeking more amazing people. At Sympla, we value and encourage diversity and inclusion, believing that diverse experiences and perspectives are fundamental to our business success. We seek professionals of different genders, origins, and backgrounds. We’re looking for people committed to results, who take ownership of their careers and are ready to deliver creative and impactful solutions. Become a Sympler! **What will your day-to-day look like as a Senior Backend Developer here?** ---------------------------------------------------------------------------------- * **Lead and optimize the design of backend system architecture**, ensuring scalability, high performance, and flexibility to meet company and product team needs. * **Develop and maintain complex APIs and microservices**, focusing on integration with multiple internal and external systems, guaranteeing exceptional performance and data security. * **Ensure continuous platform evolution**, implementing significant code improvements, scalability enhancements, and integration, monitoring, and security processes. * **Work with new technologies and system architectures**, applying continuous integration (CI/CD) practices, containers (Docker, Kubernetes), and cloud tools (AWS, GCP, Azure). * **Mentor and guide development teams**, helping raise the team’s technical level and promoting best practices in coding, automated testing, and code reviews. * **Contribute to defining strategies and technical decisions**, collaborating with product, design, and other teams to ensure integrated and effective solutions. * **Ensure high availability, security, and resilience of systems**, anticipating issues and implementing solutions to prevent production environment failures. * **Lead execution of critical projects**, from requirements gathering through final delivery, with focus on timelines, quality, and efficiency. * **Analyze and optimize system performance**, applying best practices in profiling and tuning of code and databases to reduce latency and improve scalability. * **Ensure projects follow best security practices**, including encryption, authentication, authorization, and prevention against vulnerabilities such as SQL Injection, XSS, and CSRF. **What do you need to join our Engineering team?** ---------------------------------------------------------------------------- * Advanced experience in Java or Kotlin, with mastery of frameworks such as Spring Boot (Core, Data). * Deep knowledge of system architecture and microservice design. * Knowledge of relational databases (MySQL, PostgreSQL) and non-relational databases (MongoDB, Redis), including optimization, sharding, and replication. * Solid experience with RESTful APIs and GraphQL, as well as integrations with third-party systems (payment, authentication, etc.). * Strong knowledge of web application security (encryption, access management, attack prevention). * Experience with CI/CD (Jenkins, GitLab, CircleCI or similar). * Familiarity with cloud computing (AWS, GCP or Azure), containers (Docker, Kubernetes), and scalable deployments. * Experience with distributed architectures: microservices, event-driven, and serverless. * Hands-on experience with unit testing. * Experience with agile methodologies (Scrum, Kanban). * Experience with asynchronous integrations via messaging (Kafka, SQS). **Work model**: Remote. **Sympla prioritizes diversity and plurality.** We believe a diverse team is essential for innovation and success. Therefore, all individuals are welcome in our selection process, regardless of origin, gender, ethnicity, sexual orientation, gender identity, disability, age, or any other diversity marker. We value the exchange of experiences and perspectives and are committed to creating an inclusive and welcoming environment for everyone! **Come join Brazil’s largest and best event and experience platform!**
