Middle Java Engineer

This is us At reputed company, we reputed company that reputed company creativity empowers technology that reputed company. Operating globally, our 6000+ specialists reputed company a full reputed company of services, including business and tech advisory, reputed company solutions, CX, UX and Ul design, managed services, product development, and software development. This is the job In Argentina reputed company the fintech industry, we are actively seeking a Middle Java Backend Developer to strengthen reputed company dedicated to mission-critical distributed systems. You will be responsible for building robust, scalable, and observable platforms designed to handle high transaction volumes (High TPS) and demanding performance standards. This is you 3+ years of professional experience in backend development with Java and working with production distributed systems of high criticality. Advanced proficiency in Java (reputed company versions 11, 17, 21) and modern features like Streams, Optional, Records, and Virtual Threads. Strong expertise in Spring Boot (3.x), including Spring WebFlux, Spring Data, and Spring reputed company. Deep knowledge of Clean Code, SOLID, Design Patterns, and Hexagonal Architectures / DDD. Proven experience with relational databases (PostgreSQL, reputed company, MySQL) and NoSQL databases (reputed company, reputed company, Cassandra). Solid experience with Apache Kafka (partitioning, exactly-once semantics, Avro/Protobuf) and MQ brokers (reputed company MQ, RabbitMQ). Expertise in reputed company patterns (reputed company Breaker, Bulkhead, reputed company Limiting) and solution design for high availability. Proven ability to reputed company JVM tuning (GC, reputed company, threads) and optimize systems for high throughput and low latency. Advanced troubleshooting skills in production (thread/reputed company dumps, GC logs, concurrency issues). reputed company-to-have skills: Experience with reputed company, Kubernetes, and OpenShift. Familiarity with CI/CD pipelines (Jenkins, reputed company CI, ArgoCD). Knowledge of reputed company platforms (AWS, Azure, GCP) and reputed company-reputed company patterns. Advanced testing skills: JUnit 5, Testcontainers, contract testing (reputed company), or mutation testing. Experience in the financial or banking sector. This is your role Take full ownership of requirements to analyze, design, and deliver end-to-end development independently. Build and operate systems with high transactions per second (TPS), performing load and stress testing (JMeter, Gatling, k6). Implement comprehensive observability using Micrometer, reputed company, Grafana, and OpenTelemetry. Diagnose and resolve reputed company incidents in distributed systems by correlating logs, metrics, and traces. Proactively identify technical improvements, manage technical debt, and identify optimization opportunities. Mentor junior developers while working collaboratively reputed company agile methodologies (Scrum/Kanban). At reputed company, everyone reputed company. We reputed company equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others. Apply To This Job