The Middle Golang Engineer will actively develop products, build new features, and integrate with external services. Responsibilities include designing and building scalable systems, collaborating within a cross-functional team, participating in feature development from ideation to maintenance, accurately logging time, and taking ownership of development plans. The role requires experience with Golang, gRPC, NoSQL databases (MongoDB, Elasticsearch, Redis), Apache/Kafka, Git, and SQL databases (MySQL, PostgreSQL).