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Senior Growth Engineer

HHelloFresh
Seniority
Senior
Model
Hybrid
Sector
E-Commerce
Salary
Undisclosed
Contract
Full-Time

About the role

We are looking for a hands-on Senior Growth Engineer to design, implement, and manage scalable API integrations that connect HelloFresh with external partner ecosystems including telecoms, financial providers, loyalty programs, and health/wellness platforms. You will own integrations from design to production, delivering end-to-end partner connectivity that enables subscription bundling, loyalty rewards, account linking, and nutrition data exchange.

What you'll do

  • Design integration architectures aligned with HelloFresh's core systems and establish standardized patterns for scalable partner onboarding
  • Lead the full lifecycle of new partner integrations from initial scoping and technical solution design to implementation and go-live
  • Develop and deploy robust RESTful APIs (Python/FastAPI or Node.js) and webhooks to enable bundled subscriptions and account linking
  • Act as the primary technical point of contact for external partner engineering teams and translate complex requirements into technical specifications
  • Implement logic for revenue share and loyalty attribution, ensuring integrations are reliable, secure, and compliant with global standards

What you'll need

  • Expertise in RESTful API development (Python with FastAPI preferred, or Node.js)
  • Deep understanding of OAuth2/OpenID Connect, webhooks, and secure token exchange
  • Strong experience in API design, documentation (Swagger), and testing
  • Proficiency with AWS cloud environments and SQL/NoSQL databases
  • Strong ownership mindset with ability to independently drive technical projects from concept to production
  • Excellent communication skills to translate technical concepts for non-technical stakeholders

Nice to have

  • Background in B2B SaaS integrations, subscription commerce, or loyalty/fintech APIs
  • Experience managing integrations across multiple regions or complex billing systems

What they offer

  • Competitive compensation package with HelloFresh-subsidized Pension Scheme
  • Berlin relocation support and hybrid working model
  • Exclusive discounts on HelloFresh boxes and office meals
  • German language learning budget and access to HelloFresh Academy
  • Mental health support, transportation perks, and working-parent-friendly benefits
  • 24/7 gym access, wellbeing platforms like Headspace and Spill, and sabbatical leave options
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