Senior Software Engineer

About Azion We are a global technology company specializing in digital applications and security.Our platform helps companies operate more agilely, reducing response times and increasing the reliability of their systems.At Azion, our purpose is to simplify application development and transform the future with cutting-edge technology.Here, you will have the chance to develop in an innovative environment, alongside a high-performance team, working on real challenges and creating solutions that make a difference.About The Position We are looking for a Software Engineer to join our Engineering team at our São Paulo/SP or Porto Alegre/RS offices.As part of the Engineering department, the selected candidate will be responsible for developing highly concurrent systems in Rust, optimizing performance, distributed caching, and connection management to handle thousands of requests per second with low latency.Your Impact Concurrent and Asynchronous Programming: Implement highly concurrent systems in Rust, leveraging async/await and efficient thread management to handle thousands of requests per second; Performance Optimization: Optimize system resource usage, including memory management and throughput maximization, ensuring low latency even under high load; Distributed Caching Management: Develop and maintain efficient caching systems across a globally distributed network, addressing challenges such as consistency and cache invalidation; Upstream Connection Management: Maintain stable and efficient connections with upstream services, including load balancing, automatic reconnections, and backpressure management in large-scale network communication.What You'll Bring Experience in systems development with Rust and low-level programming; Understanding of networking concepts, including TCP/IP, DNS, HTTP, and TLS; Familiarity with secure development practices; Familiarity with Linux and operating systems; Knowledge of version control (Git); Background in containerization and orchestration (Docker, Kubernetes); Knowledge of CI/CD and automation pipelines; Intermediate English.Bonus Points Experience with Edge/CDN; Experience with TCP sockets and Unix sockets; Familiarity with Internet protocol RFCs; Knowledge of HTTP proxy cache daemons such as Nginx, Caddy, and Envoy.Benefits Health and dental plan; Flexible VR and VA (Flash Card), including during vacation periods; Transport voucher without payroll deduction; Annual internal hackathons; Mobility allowance (additional amount for travel); Freestyle (incentive to customize the workstation); Stock options (according to policy); Birthday day off; TotalPass; Flexible working hours (really flexible); Nomad Program to work from anywhere for up to 30 days per year (according to policy); Annual international exchange program.FlexWork Model We offer a FlexWork model that prioritizes acculturation and collaboration.For the first three months, you will work on-site in the local office, an essential step in building solid relationships and a genuine connection with our values and culture.We believe that this initial immersion not only strengthens the team, but also boosts creativity and innovation.After this period, you will have the possibility to apply for the hybrid model, working on-site at least three times a week.This approach balances interaction in person and autonomy, creating a dynamic and productive working environment.At Azion, all applications are welcome, regardless of gender, sexual orientation, age, pregnancy, disability, ethnicity, color, country of origin, or religion.We believe that an inclusive environment contributes to our success and that respect is present in all our relationships.Come and join our teamWe look forward to getting to know you and walking a path of success in technology together