Backend Product Engineer

Invopop
Madrid
Workplace: OnsiteFull timeUSD 50,000 - 90,000 annuallyFunction: Communications, PR & CommunityExperience: 1-10 yearsSkills: ["Communication","Empathy","Customer focus","Problem-solving"]

Backend Product Engineer to own integrations end-to-end in Madrid, researching, designing, building, shipping, and iterating Apps with customer feedback. You’ll develop Go-based integrations on a modular architecture (NATS, CQRS, Kubernetes on GCP), make product decisions, and contribute to open-source standards. Strong English, comfort with ambiguity, and customer-facing collaboration are essential.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Invopop
Invopop
5 months ago

Backend Product Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 6 hours agoStatus: Live

Job Summary

Backend Product Engineer to own integrations end-to-end in Madrid, researching, designing, building, shipping, and iterating Apps with customer feedback. You’ll develop Go-based integrations on a modular architecture (NATS, CQRS, Kubernetes on GCP), make product decisions, and contribute to open-source standards. Strong English, comfort with ambiguity, and customer-facing collaboration are essential.
Location: Madrid
Workplace: Onsite
Employment Type: Full time
Job Function: Communications, PR & Community
Seniority: Sr. Manager level

Key Responsibilities

  • •Own several Apps end-to-end from research to production maintenance.
  • •Design and build integrations in Go on top of modular architecture (NATS, CQRS, Kubernetes on GCP).
  • •Support customers using your Apps and iterate based on feedback.
  • •Make product decisions about scope, priorities, and shipping times.
  • •Contribute to GOBL, Invopop’s open-source standard for commercial documents.

Pay and Benefits

Salary: USD 50,000 - 90,000 annually
Equity and Bonus:Equity
Perks:Equity

Key Requirements

  • •1–10 years of backend experience
  • •Backend experience with Golang preferred
  • •Fluent English
  • •Comfort with ambiguity and complex domains
  • •Experience starting projects from scratch or contributing to open-source
Experience:1-10 yearsSaaSE-invoicingOpen source
Skills:CommunicationEmpathyCustomer focusProblem-solving
Languages:English
Tech Stack:GoGolangNATSCQRSKubernetesGCP

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Invopop
Provides a developer-focused electronic invoicing platform and APIs to build, send, and manage interoperable e-invoices, leveraging open standards like UBL and Peppol to simplify B2B and B2G digital invoicing workflows.
Industry: API Platforms
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
Headquarters: United States
WebsiteLinkedIn