V

Senior Full-Stack Engineer

valshift Sweden
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications
AI Summary

We're hiring a Senior Full-Stack Engineer for a VC-backed AI growth-marketing startup. You'll build end-to-end features that power programmatic SEO and multi-agent AI workflows used by well-known tech brands. As a Senior Full-Stack Engineer, you'll collaborate in person with engineers, design, and product.

Key Highlights
Build end-to-end features
Improve AI workflows/agents
Raise the bar on security, performance, and code quality
Key Responsibilities
Ship features end-to-end
Improve the reliability & success rate of AI workflows/agents
Use data to automate painful growth-marketing steps
Raise the bar on security, performance, and code quality
Technical Skills Required
React 18 TypeScript Next.js Tailwind Apollo GraphQL C# EF Core Python Postgres Temporal GCP
Benefits & Perks
$180k–$220k + equity
Unlimited PTO
Health/dental/vision
Monthly team dinners/lunches
Stipends
Offsites
Nice to Have
Temporal or similar async workflow experience
Experience building for growth/marketing or content platforms

Job Description


We’re hiring a Senior Full-Stack Engineer for a VC-backed AI growth-marketing startup . You’ll build end-to-end features that power programmatic SEO and multi-agent AI workflows used by well-known tech brands.



What you’ll do

  • Ship features end-to-end: DB models → GraphQL resolvers → polished UI.
  • Improve the reliability & success rate of AI workflows/agents.
  • Use data to automate painful growth-marketing steps.
  • Raise the bar on security, performance, and code quality.
  • Collaborate in person with engineers, design, and product (5 days/week in SF).



Tech you’ll need

React 18, TypeScript, Next.js, Tailwind, Apollo GraphQL,

C# (.NET 9) + EF Core, Python (AI orchestration), Postgres (incl. vector/pub-sub), Temporal, GCP.



You’re a fit if you have

  • 5–12 years as a full-stack engineer with strong backend foundations.
  • Production experience with React/Next + TypeScript and GraphQL.
  • Depth in one or more backends (C#/.NET preferred, Python/Java/Node also welcome).
  • Solid RDBMS skills (Postgres ideal).
  • History of 0→1 ownership in fast-moving teams.
  • A CS degree (or closely related).
  • Clear communication and a product quality mindset.



Nice to have

  • Temporal or similar async workflow experience.
  • Experience building for growth/marketing or content platforms.



What’s in it for you

  • $180k–$220k + equity (flexible for exceptional talent).
  • Relocation to SF + visa sponsorship available.
  • Unlimited PTO, health/dental/vision, monthly team dinners/lunches, stipends, offsites.



How to apply

Send your Resume + LinkedIn/GitHub to [email protected]

(or DM me) with brief answers to:

  • Are you able to work on-site in Stockholm, 5 days/week? If not local, when can you relocate?
  • Your GraphQL experience (schema/resolvers, pagination, caching/N+1 avoidance).



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