Junior Platform Engineer – Store Operations

About the Position

We are seeking a Junior Platform Engineer – Store Operations to support the stability, performance, and ongoing improvement of the technology platforms powering our retail stores.

In this role, you will act as a technical expert for store-level systems, integrations, and data flows, collaborating with product, delivery, and operations teams to ensure seamless store operations.

Office location: Northeastern suburb of Athens.

On-site presence: 3 days per week.

Responsibilities

• Monitor, maintain, and optimize store-level platforms to ensure high availability and performance
• Provide Tier 2 technical support for store operations teams, troubleshooting issues related to data flows, system performance, and integrations
• Collaborate with vendors and internal teams to resolve platform incidents and minimize disruption to store operations
• Understand relational databases, including writing and optimizing queries, performing data validation, and supporting ETL processes
• Develop understanding of integration patterns such as API-based, event-driven, flat-file, message queues, and real-time vs batch to support system connections
• Work with engineering teams to implement and validate integrations between store systems and enterprise platforms
• Ensure stability of the system and provide guidance in new implementations
• Contribute to continuous improvement of deployment pipelines and operational processes
• Implement and enhance monitoring, alerting, and observability tools to proactively identify performance issues
• Participate in on-call rotation for critical store systems
• Contribute to root-cause analysis and the development of long-term stability improvements
• Act as a bridge between delivery, product, and business, ensuring technical issues are clearly communicated
• Document system flows, operational procedures, troubleshooting guides, and knowledge bases
• Provide training and technical guidance to cross-functional teams when needed

Requirements

• Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent practical experience
• Knowledge of SQL, including query writing, joins, performance tuning, data validation, and troubleshooting
• Understanding of system integration methods such as REST/SOAP APIs, message queues, flat-file transfer, ETL pipelines, and event-driven architectures
• Experience supporting distributed systems or platforms at scale (0-2 years)
• Skills in analytical and diagnostic troubleshooting in complex, multi-system environments
• Proficiency in verbal and written English communication, with the ability to explain technical issues to non-technical audiences

Nice to Have

• Experience supporting technologies in retail, grocery, or high-volume operational environments
• Familiarity with cloud environments such as AWS, Azure, or GCP
• Knowledge of monitoring tools
• Understanding of POS systems, inventory platforms, or store workforce/operations tools
• Exposure to DevOps practices and CI/CD processes