Full Stack Engineer (Senior/Lead) – MeshMesh Engineering

Company: Momentum
Apply for the Full Stack Engineer (Senior/Lead) – MeshMesh Engineering
Location: London
Job Description:

The Experience

As a Full Stack Engineer on MeshMesh, you will build features end-to-end, from backend services to the customer-facing experience, helping bring our mesh networking platform to life for customers.

What You’ll Actually Be Doing

  • Build and maintain services and APIs that power the MeshMesh platform.
  • Develop customer-facing features across the full stack.
  • Collaborate with product and design partners to translate requirements into working software.
  • Write clean, tested, maintainable code and participate in code reviews.

You’re Our Person If…

  • You have 4-8 years of experience.
  • You have experience building production software across both backend and frontend layers.
  • You are proficient in modern web frameworks and backend languages.
  • You have experience designing and consuming APIs.
  • You are an Agentic Engineer – you build with Claude and similar AI coding tools, using agent loops, tool use, and well-grounded context engineering to ship code fast.

Even Better If…

  • You have experience with networking or real-time systems.
  • You have contributed to a product from early stage through scale.
  • You experience in DevOp, Security, or Architecture.

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Posted: November 9th, 2026