EPAM Systems

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.

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

We offer/Benefits

For your comfortable work:

• Remote and hybrid work opportunities
• Option to work from our centrally located office in Athens
• Corporate laptop provided
• Private health insurance
• Meal vouchers / restaurant tickets
• My Benefit card (264€/year)
• Monthly public transportation card

For your growth:

• Global and diverse client portfolio, large-scale projects, and trendy technologies
• Diverse multicultural, multi-functional, and multilingual work environment
• Opportunity to contribute to internal and open-source products
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey
• Possibility to create a Personal Development Plan from the first day in the company
• Numerous opportunities for self-development: hard & soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries
• Certification opportunities
• Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities
• Language courses

EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.