What the role involves
We are looking for a Fullstack Software Engineer. As a startup, we move fast and priorities shift quickly. We need someone comfortable working across the entire stack and taking on varied challenges. Flexibility and adaptability is key. You'll own and develop new features from conception to deployment, ensuring reliability and scalability across our platform.
In this role, you will
Build product features end-to-end, from backend APIs to frontend interfaces
Keep the codebase maintainable through solid architecture, refactoring, and testing
Work closely with design and product people to deliver smooth, intuitive user experiences
Instrument features and gather the right metrics to help the team make informed decisions
You may be a good fit if you have
(Required) React/Vite experience. Realistically, any modern frontend framework is fine (React, Vue, Svelte, etc.).
(Required) Some experience with .NET and Entity Framework Core.
Experience with DDD
Experience with event-driven data architecture.
PostgreSQL (or general SQL) expertise.
Experience with Google Cloud Platform.
Familiarity with Claude Code or other coding agent tools.
Strong bias toward action and self-direction with the ability to work autonomously without much oversight.
Anti-meeting culture mindset.
This is neither an exhaustive nor a necessary list of capabilities. If none of these apply to you, but you believe you can contribute to Subsets, please reach out.
How We Work
Our tech stack
Backend: .NET 10, Entity Framework Core, PostgreSQL, Hangfire, Redis.
Frontend: React.js, Vite, Tailwind CSS, shadcn/ui.
Infrastructure & CI/CD: Google Cloud Platform (GCP), Terraform, GitHub Actions.
Lightweight and efficient development culture
Issue tracking and planning via Linear
2-week sprints
Anti-meeting culture - we value focused work time
Benefits
Competitive salary
Equity package: 0.2%-0.4% (favorable taxation under §7p, read: no upfront tax on your options!)
Company card for all things food/snacks: order whatever office snacks you like (we frequently get mango smoothies, protein drinks, barbells, monster, etc.)
Great breakfast and lunch (and dinner when working late in the office)
Office kayaks 🛶
PLEASE APPLY HERE: https://jobs.ashbyhq.com/subsets/9ed929b8-3089-452b-88e1-5910f53d82c9?utm_source=b1BdOVajzV
What they ask for
About Subsets
Subsets is the leading lifecycle growth platform for consumer subscription teams. We are building the AI decisioning 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 $6.1m and launched out of Y Combinator’s Summer 2023 batch in San Francisco, and is now based in Copenhagen.
Full Subsets profile