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SUSumUp

Fullstack Engineer - Billing & Subscription(m/w/x)

Berlin
Full-timeOn-site

Building merchant wallet interfaces and subscription backend functionality for a global payment provider with 4 million clients. Proficiency in Golang, Node.js, and React required. Annual €2,000 learning budget, VSOP equity enrollment, and 30-day sabbatical after 3 years.

Requirements

  • Experience with Golang and Node.js
  • Frontend development with React and TypeScript
  • RESTful API and microservices experience
  • Infrastructure deployment with AWS and Kubernetes
  • Experience with SQL and event-driven architectures
  • Knowledge of system architecture and design
  • Collaborative approach and openness to feedback
  • Ownership and focus on engineering quality

Tasks

  • Build merchant wallet and billing interfaces using React and TypeScript
  • Update and standardize UI components across billing products
  • Design backend functionality using Go or Node.js
  • Collaborate with cross-functional teams to deliver subscription features
  • Participate in weekly support rotations to maintain platform stability
  • Resolve merchant-related support requests
  • Refactor core billing components for better system integration

Education

Vocational certificationORBachelor's degree

Languages

EnglishBusiness Fluent

Tools & Technologies

GolangNode.jsReactTypeScriptRESTful APIsAWSKubernetesHelmTerraformSQLPostgreSQLKafka

Benefits

Modern Office

  • Office-first setup

Learning & Development

  • €2,000 annual L&D budget

Competitive Pay

  • VSOP program enrolment

Retirement Plans

  • Corporate pension scheme

Workation & Sabbatical

  • 30-day sabbatical after 3 years

Bonuses & Incentives

  • Referral bonus

Healthcare & Fitness

  • Urban Sports Club subsidy

Childcare

  • Kita placement assistance

Other Benefits

  • Relocation assistance

Free or Subsidized Food

  • Subsidised office lunches
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