Backend Engineer

SpeakBUDDY

Backend

About this role

The backend engineer works in the five-person Backend team within the Engineering Division, developing the systems behind SpeakBUDDY’s AI conversation app. As service features and data expand, the role contributes to core security, user-management and online-payment foundations, collaborating with product managers and engineers who maintain the development platform. Responsibilities span gathering requirements from PMs, translating them into backend specifications, planning projects and carrying REST API work through implementation, testing, deployment and release. The engineer also designs and builds security, user-management and payment systems, optimizes database schemas and queries, tunes performance, improves scalability and reduces technical debt. The service has more than five million cumulative users, and its wider development uses generative AI, speech recognition and machine learning. Applicants need at least three years of experience designing, building or operating web-service backend systems or infrastructure, practical backend Kotlin experience, and deep knowledge of AWS.

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