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Senior Software Engineer - Activation

Stockholm HQ💼 Full-time🗓 2026-08-28 → 2026-09-26

Core

Design and build data-driven user onboarding flows and signal-based routing systems to improve new user activation in Epidemic Sound.

Role type

Senior full-stack software engineer (activation/onboarding)

Builds

User-facing onboarding flows, contextual nudges, and signal-based routing systems for new users

Domain

Streaming media / Music licensing

Deliverable

product features

Required skills

React, TypeScript, modern CSS, HTML, Python, Go, Kotlin, backend-for-frontend patterns, event-driven systems, analytics instrumentation, A/B testing, feature flags, observability

Preferred skills

Scalable web application architecture, server-side rendering, frontend performance optimization, experimentation platforms, product analytics platforms

Technologies

React, TypeScript, Python, Go, Kotlin, Claude Code

Responsibilities

Build user-facing onboarding flows and interactive elements; Develop systems to read early-funnel signals and route users; Run A/B tests and fast feedback loops; Own observability and reliability of activation systems

Seniority

Senior, hands-on IC

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