Cosuno

Senior Product Engineer

Cosuno
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1 day ago
Remote, Germany or Berlin, GermanySenior

Responsibilities

  • Own customer and business problems from definition through production release.
  • Design data models, APIs, and backend services for complex, high-scale construction data.
  • Build user interfaces and make product and UX decisions using the company design system.
  • Partner with Product, Design, and Data on strategic initiatives and shipped features.
  • Architect and implement modular packages and services in the monorepo.
  • Contribute to a collaborative engineering culture with code reviews, testing, releases, and infrastructure automation.

Requirements

  • Significant professional experience building, shipping, and maintaining complex web applications with TypeScript, React, and Node.
  • Experience shipping across the full stack with strong backend engineering depth.
  • Ability to own loosely defined features, including scope, solution design, and acceptance criteria.
  • Experience designing data models, APIs, and services with attention to performance, reliability, and maintainability.
  • Sound UX judgment and the ability to make interface decisions without detailed specifications.
  • Product mindset, comfort with ambiguity, strong problem-solving ability, and excellent English communication skills.
  • Experience shipping AI-powered features involving LLMs or agents is a bonus.
  • Experience with AWS, Kubernetes, Terraform, and CI/CD pipelines is a bonus.

Benefits

  • Choose 100% remote work or work from the Berlin office with flexible hours.
  • Permanent contract at a stable, well-funded company.
  • Competitive salary above the market average.
  • New MacBook Pro provided.
  • Regular company off-sites and team events.

Categories

Full StackProduct Engineering
Cosuno

About Cosuno

51-200 employees

Cosuno builds a cloud platform for construction tendering, procurement, and subcontractor management used by general contractors, developers, and architects. The SaaS streamlines bid requests, vendor sourcing from a European subcontractor network, contract workflows, and payments, replacing email and spreadsheets. Founded in 2019 and headquartered in Berlin, the privately held company serves customers across Europe.

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