• Participate in the development and maintenance of backend systems for core services within the O2O ecosystem (Fulfillment, Warehouse, POS, OMS...);
• Design and implement gRPC/ REST APIs following a microservice architecture;
• Collaborate with other teams (Frontend, DevOps, QA, BA) to develop features and resolve technical issues;
• Write unit tests, ensuring code quality and system performance;

• 2 - 5 years of experience working with Golang;
• Experience working with microservices, REST/ gRPC;
• Understanding of Clean Architecture, design patterns, SOLID;
• Experience working with PostgreSQL or another common RDBMS;
• Proficient in using Git, CI/CD, Docker;
• Strong analytical and independent problem-solving skills;

Preferable:

• Experience working with Kafka, Redis;
• Prior experience with distributed systems or high-concurrency;
• Experience in deploying real-world projects with a multi-service architecture (gRPC, Buf, protobuf…);
• Knowledge of message queues, caching, database indexing;