Senior Java Developer

Description

**What are we looking for?** **Key responsibilities:** * Collaborate closely with cross-functional teams to gather requirements and translate them into technical specifications. * Ability to identify and map applications, dependencies, and purpose within transition architectures (lift-and-shift / replatform / refactor). * Build high-performance, low-latency services. **Requirements:** * 8+ years of experience with Java or GO * 3+ years of experience with AWS or similar technologies. * 3+ years of experience with CI/CD pipelines and DevOps practices. * In-depth knowledge of microservice design, hexagonal architecture, reactive architecture, Clean Architecture / Vertical Slice. * Experience with messaging via TCP Sockets and Message Brokers (Kafka or RabbitMQ). * Design Patterns (Strategy, Abstract Factory, Chain of Responsibility). * Cloud Native Patterns (CQRS, Retry Pattern, Circuit Breaker). * Software quality (contract testing, load testing, unit testing). * Traceability tools (Splunk, AWS CloudWatch). * Observability tools (Dynatrace, Distributed Tracing – Jaeger / Zipkin, Grafana). * Hands-on experience with Kubernetes (deploys, HPA/VPA). * Hands-on experience with Docker containerization **Nice-to-haves:** * Card network protocols – ISO 8583. * Security standards (PCI DSS, HSM, Tokenization). * English/Spanish: Advanced **Work location: Remote** **Who is Insi?** We are a consultancy specializing in digital evolution. But above all, we are a people-first company. People who listen before proposing. Who go to the core before presenting a solution. Who measure success by what truly changed—not by what was implemented. With over three decades of history and a global presence, we believe real transformation begins from within: within people, teams, and organizations—and this conviction guides every choice we make, every project we deliver, and every person we develop. **Why build your career at Insi?** Because here you think, decide, and create together. We offer autonomy, clear goals, and an environment where Insiders have the opportunity to engage with diverse technologies, participate in challenging projects, bring new ideas, and work from anywhere in Brazil—and why not, the world. We are one of the best companies to work for in Brazil according to Great Place to Work, and among the top 10 employers in Brazil according to TIME magazine. **What are our values?** * We are people serving people * We think and act like owners * We have a drive for performance * We grow and learn together * We pursue excellence and simplicity * We act with creativity and innovation All individuals are welcome regardless of their condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or related factors. We want you to grow with us in an inclusive, opportunity-rich environment. Do you identify with this? Then, **#JoinInsi!**