Senior Software Engineer - Equity & AI Growth Platform

Subsets; København; On-site; DKK 700,000 - 950,000; Full time

Benefits offered by this job

Competitive salary and equity

Office snacks

Meals on site

Relocation support

Office kayaks

Job summary

Subset is an early-stage startup building the future of AI-driven subscription growth. As a Senior Software Engineer, you’ll join the core team building subscription lifecycle management, helping brands create audiences, run experiments, and optimize messaging impact on churn, retention, and upsell.

You’ll own features from idea to production and collaborate with the founders to shape technical decisions. The role emphasizes autonomy in a fast-paced, primarily in-office environment in

Qualifications

• Senior software engineer with track record shipping features end-to-end.
• Experience shaping product direction in fast-moving startups is a plus.
• Comfort working in autonomous, high-focus environments with limited meetings.

Responsibilities

• Own and ship new features from idea to production.
• Build product and platform capabilities for audience creation, experimentation, and lifecycle insights.
• Work closely with founders and team to shape product direction and technical decisions.
• Improve performance, reliability, and scalability of messaging workflows.
• Use customer problems and data to inform what we build next.

Skills

Autonomy

Fast-paced environment

Feature development

Frontend knowledge

Tools

Claude Code

Job description

Subset is an early-stage startup building the future of AI-driven subscription growth. As a Senior Software Engineer, you’ll join the core team building subscription lifecycle management, helping brands create audiences, run experiments, and optimize messaging impact on churn, retention, and upsell.

You’ll own features from idea to production and collaborate with the founders to shape technical decisions. The role emphasizes autonomy in a fast-paced, primarily in-office environment in