Jobs / Summary

Senior Software Engineer, Core Experiences

Confidential company · Frankfurt · Posted May 15, 2026

Public summary

Join a fast-growing tech company in Frankfurt focused on audio information and AI. The team builds core services and SDKs powering a popular product that makes audio information accessible and effective for millions, including people with learning differences. The role involves designing APIs, developing cloud functions and backend services, collaborating closely with product teams, and optimizing software performance. The company values speed, systems thinking, focus, collaboration, and offers a supportive remote-friendly environment with an entrepreneurial culture in a transformative sector.

Responsibilities

Collaborate with product teams to scope and deliver cross-platform SDK solutions; design and improve efficient abstractions and algorithms for faster loading and parsing; develop and ship cloud functions, lightweight backend services, and jobs using Kotlin; balance integration and user experience tradeoffs; work strategically at the intersection of product and infrastructure.

Qualifications

Strong experience with Kotlin Multiplatform and Java is acceptable; knowledge of Google Cloud Platform is a plus; systems thinking ability to design end-to-end solutions emphasizing simplicity; ability to work quickly and prioritize delivering valuable features; effective collaboration skills with designers, marketers, and product managers; experience working in a fast-paced, remote startup environment.

Skills

Kotlin Multiplatform Java Google Cloud Platform (GCP) API design Cloud Functions Backend Services Cross-platform SDK Systems thinking Collaboration Product development