About the Role

We are looking for a Senior Full-Stack Developer to join Rain Engineering’s delivery team and support a cloud-based Manufacturing Execution System (MES) program.
The selected candidate will work as a dedicated member of the delivery team, contributing across the full software development lifecycle, from development and testing through releases and production support.
This is a highly collaborative and technically demanding role, working with modern cloud technologies, microservices, integrations, and industrial software solutions.

Key Responsibilities

Design, develop, test, and maintain full-stack applications supporting a cloud-based MES platform.
Develop and enhance front-end applications using React, JavaScript/TypeScript, and HTML/CSS.
Build and maintain Python-based microservices and REST APIs.
Develop and support event-driven integrations using Kafka and Azure Service Bus.
Work with Azure cloud services, Kubernetes, PostgreSQL, and Redis.
Support integrations with Oracle Fusion and other enterprise systems.
Participate in Agile ceremonies, sprint planning,



code reviews, testing, releases, and production-defect remediation.
Collaborate closely with engineering, product, QA, and other technical stakeholders.
Contribute to technical discussions, architecture decisions, and continuous improvement initiatives.
Troubleshoot complex technical issues and provide effective solutions in development and production environments.
Maintain high standards of code quality, automated testing, documentation, and engineering practices.

Technical Environment

The application landscape includes:
Proficy Plant Applications and Proficy Scheduler
React, JavaScript, TypeScript, HTML/CSS
Python microservices and REST APIs
Kafka and Azure Service Bus
Azure, Kubernetes, PostgreSQL, and Redis
Oracle Fusion integrations
Agile development, testing, releases, and production-defect remediation

Candidate Requirements

Must-Have Qualifications

4+ years of professional softw

📌 Senior Full-Stack Developer (Argentina)
🏢 GyanSys
📍 Argentina