Copenhagen, Capital Region of Denmark, Denmark · On-site
$115k–$160k/yr
Subsets (YC S23) is an early-stage startup building the future of AI-driven subscription growth. As a Senior Software Engineer, you’ll join the early team building the future of subscription lifecycle management, helping…
Skills: .NET 10, Entity Framework Core, PostgreSQL, Redis, React.js
Copenhagen, Capital Region of Denmark, Denmark · On-site
$115k–$160k/yr
About the job Subsets (YC S23) is an early-stage startup building the future of AI-driven subscription growth. As an Account Executive, you will take Subsets from first conversation to signed contract. Our customers are …
Skills: Enterprise Sales, Full Sales Cycle Management, Lead Qualification, Outbound Prospecting, Pipeline Management
New York, New York, United States · On-site
$180k–$300k/yr
About the job Subsets (YC S23) is an early-stage startup building the future of AI-driven subscription growth. As an Account Executive, you will take Subsets from first conversation to signed contract. Our customers are …
Skills: Enterprise Sales, Full Sales Cycle Management, Lead Qualification, Outbound Prospecting, Discovery
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Own and ship new features from idea to production for audience creation, experimentation, and lifecycle insights. Work closely with founders to shape technical decisions and improve the scalability and reliability of customer messaging workflows.
Seeking a Senior Software Engineer with a strong bias toward action who can work autonomously in a fast-paced startup environment. Experience with Claude Code or similar tools and a preference for in-office work are highly valued.
Subsets (YC S23) is an early-stage startup building the future of AI-driven subscription growth. As a Senior Software Engineer, you’ll join the early team building the future of subscription lifecycle management, helping brands create audiences, run experiments, and optimize how messaging impacts churn, retention, upsell and more!
own and ship new features from idea to production
build product and platform capabilities for audience creation, experimentation, and lifecycle insights
work closely with the founders and team to shape product direction and technical decisions
improve the performance, reliability, and scalability of systems that power customer messaging workflows
use customer problems and data to inform what we build next
backend: .NET 10, Entity Framework Core, PostgreSQL, Redis
frontend: React.js, Vite, Tailwind CSS, shadcn/ui.
infrastructure & CI/CD: Google Cloud Platform (GCP), Terraform, GitHub Actions.
It's not required to have prior experience with our chosen technologies.
you have a strong bias toward action and the ability to work autonomously in fast-paced, loosely defined environments.
you have experience with Claude Code or similar
you have an "anti-meeting" culture mindset and value focused work time.
you prefer a primarily in-office way of working
you’re energized by the pace and intensity of early-stage startups
competitive salary & equity
company card for all things office food/snacks
great breakfast and lunch (and dinner when working late in the office)
relocation support if you don't live in Copenhagen
office kayaks 🛶
Subsets is the leading lifecycle growth platform for consumer subscription teams.
Subsets is the leading lifecycle growth platform for consumer subscription teams. We are building the AI layer that unifies and powers the existing growth stack, enabling teams to automate and scale lifecycle experimentation, orchestrate personalized user journeys, and measure impact across retention, engagement, and LTV without engineering support. Trusted by consumer subscription businesses like The Atlantic, NBCUniversal, Daily Mail, Matas Group, and Hearst. Subsets has raised $6.4m and launched out of Y Combinator’s Summer 2023 batch in San Francisco, and is now based in Copenhagen and New York City.
Offices: Copenhagen, Denmark, DK
Subsets is the leading lifecycle growth platform for consumer subscription teams.
Subsets is the leading lifecycle growth platform for consumer subscription teams. We are building the AI layer that unifies and powers the existing growth stack, enabling teams to automate and scale lifecycle experimentation, orchestrate personalized user journeys, and measure impact across retention, engagement, and LTV without engineering support. Trusted by consumer subscription businesses like The Atlantic, NBCUniversal, Daily Mail, Matas Group, and Hearst. Subsets has raised $6.4m and launched out of Y Combinator’s Summer 2023 batch in San Francisco, and is now based in Copenhagen and New York City.
Offices: Copenhagen, Denmark, DK
