Senior Backend Engineer

Senior Backend EngineerDepartment: Directorate of Business PlatformEmployment Type: Full TimeLocation: CyprusDescriptionJoin the Storefront Team and help build the core customer-facing experience of our marketplace - from discovering partners and browsing product catalogs to product details, cart, and checkout.

You’ll work on scalable backend solutions that provide a seamless experience across different partners while improving performance, personalization, conversion, and enabling the rapid integration of new partners.

Key Responsibilities

• Developing backend services for a grocery storefront, including catalog, categories, search, PDP, cart, and checkout.
• Working with large catalogs and assortments that depend on a specific store, warehouse, or user location.
• Handling frequently changing prices, inventory, discounts, and product availability.
• Validating the cart before checkout, including prices, availability, quantity limits, minimum order value, and store restrictions.
• Supporting grocery-specific scenarios such as weighted products, unavailable items, and substitutions.
• Integrating with catalog, pricing, inventory, order, payment, and delivery services.
• Onboarding grocery partners with different APIs and data models.
• Ensuring low latency, high availability, and resilience of customer-facing flows.
• Skills, Knowledge and Expertise 5+ years of commercial backend engineering.
• With experience solving complex problems in high-load environments Strong knowledge of Go programming language.
• Knows and has applied advanced features of the Go language in practice Strong SQL knowledges, including designing schemas, scaling strategies (replication, partitioning, sharding) and query optimisation for high-load environment In-depth knowledge of Redis, familiar with various data structures, and its efficient use in high-load systems Experience working with Docker, understanding CI/CD pipelines.
• Knows how work k8s (or analogs) and cloud infrastructure (like AWS) Experience with synchronous and asynchronous inter-service communication patterns, with a focus on reliability in high load environment Knows main microservice architecture patterns.
• Deep understanding of how to build efficient interactions between client and server applications, knows limitations Proven ability to design and implement a full observability strategy, including metrics, logging, dashboards, and tracing An interest in new technologies, a collaborative spirit, and a drive to continuously develop your skills Why join us Help us challenge injustice by creating fair choices for millions of people across 48 countries.
• Develop your professional skills with access to mentoring, career consulting, and learning programs Collaborate with teams around the world and gain international experience through our Global Talent Exchange Program Engage in company-wide challenges, awards, sports activities, employee-led social impact and volunteering projects Work alongside people who take initiative, speak openly, and challenge themselves to grow Improve your language skills through co-financed courses and internal speaking clubs Annual salary from 70 700 EUR gross Final benefits may vary depending on the location.