We are seeking a Junior Platform Engineer to join our eCommerce & Digital Operations team.

In this role, you will help ensure the reliability, performance and seamless operation of our digital platforms, supporting critical systems that power customer experiences and business operations.

Responsibilities

• Maintain and monitor eCommerce, loyalty and digital operational platforms to ensure high performance, uptime and reliability

• Provide Tier 2 support for customer-facing systems, addressing issues related to catalog, pricing, promotions, personalization, loyalty points, identity, checkout and digital content

• Collaborate with DevOps, Product Owners and vendor partners to resolve platform incidents and prevent customer-impacting disruptions

• Support the operation of microservice-based architectures, including API gateways, service meshes and containerized deployments

• Use observability tools to diagnose performance bottlenecks or failure patterns across the digital ecosystem

• Assist with rollout, testing and validation of new microservices, integrations and platform enhancements

• Monitor and support streaming pipelines such as Kafka for real-time events including cart updates, orders, promotions, personalization and loyalty transactions

• Demonstrate understanding of relational database operations such as Postgres, MySQL and SQL Server, including query optimization, data validation and issue diagnosis

• Assist with schema changes, replication monitoring and performance tuning across production and pre-production databases

• Partner with engineering teams to ensure data integrity across APIs, services and downstream systems

• Support and maintain system integrations across digital platforms, loyalty engines, store systems and enterprise applications

• Troubleshoot API failures, latency issues and payload-level anomalies in REST, SOAP, GraphQL, event-driven and batch integrations

• Ensure integrations follow best practices for security, scalability and fault tolerance

• Enhance monitoring, logging and alerting across digital and loyalty systems using APM and observability tools

• Document platform behavior, system flows, operational playbooks and troubleshooting guides

Requirements

• Bachelor’s degree in Computer Science, Engineering, Information Systems or equivalent practical experience

• Up to 1 year of working experience in platform operations, support or related technical roles

• Knowledge of relational databases and proficiency with SQL

• Familiarity with API technologies such as REST, GraphQL and SOAP, and integration patterns including synchronous, asynchronous, event-driven and batch

• Analytical and diagnostic skills with capability to resolve complex system issues

• Communication skills to collaborate with technical and non-technical people

• Understanding of scripting languages such as HTML or Java considered an asset

Nice to have

• Understanding of microservices architecture and distributed systems

• Hands-on experience with observability and monitoring tools such as Datadog, New Relic, Splunk, Grafana or ELK

• Experience with streaming platforms such as Kafka

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