Senior Java Engineer - Microservices & Cloud Architect

Werben HR; Buenos Aires; On-site; ARS 134,492,961 - 209,211,273; Full time

Job summary

Werben HR is seeking a Senior Java Engineer with 7+ years of experience to architect, develop, and scale high‑performance distributed systems. You will work on production‑ready microservices, event‑driven architectures, and cloud deployments, ensuring clean code and reliability.

Responsibilities include designing scalable microservices, implementing Kafka integrations, and deploying on OpenShift or AWS. You will lead technical quality initiatives and collaborate in an Agile environment to solve

Qualifications

• 7+ years of hands-on software development experience with enterprise backend systems.
• Proficiency in Java 8+ including concurrency, streams, functional programming, and design patterns.
• Experience building production-grade applications using Spring Boot and related ecosystem modules.
• Hands-on in designing, developing, and operating distributed microservices architectures.
• Strong understanding of Apache Kafka and event-driven integration patterns.
• MongoDB NoSQL modeling, indexing, and query optimization.
• Familiarity with OpenShift and/or AWS for deployment, scaling, and monitoring.
• Excellent communication and collaborative skills within agile teams.

Responsibilities

• Design, build, and maintain scalable, high-throughput microservices using Java and Spring Boot.
• Implement event-driven architectures and messaging integrations using Apache Kafka.
• Design, query, and optimize NoSQL databases using MongoDB for backend services.
• Deploy, scale, and monitor containerized applications on OpenShift and/or AWS environments.
• Drive code quality through rigorous code reviews, unit testing, CI, and clean design principles.
• Diagnose complex technical issues, optimize backend performance, and troubleshoot distributed systems in production.

Skills

Core Java

Spring Framework

Microservices

Event-Driven / Kafka

MongoDB

OpenShift

AWS

CI/CD

Kubernetes

System Design

Collaborative

Code Quality

Tools

Apache Kafka

Jenkins

GitHub Actions

GitLab CI

Docker

Kubernetes

OpenShift

AWS

Job description

Werben HR is seeking a Senior Java Engineer with 7+ years of experience to architect, develop, and scale high‑performance distributed systems. You will work on production‑ready microservices, event‑driven architectures, and cloud deployments, ensuring clean code and reliability.

Responsibilities include designing scalable microservices, implementing Kafka integrations, and deploying on OpenShift or AWS. You will lead technical quality initiatives and collaborate in an Agile environment to solve