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Senior Fullstack Engineer

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About You

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Location:
Germany , Hamburg or Berlin

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Contract Type:
Not provided

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Salary:

70000.00 - 80000.00 EUR / Year

Job Description:

We are looking for a Senior Fullstack Developer (m/f/d) with a focus on Node.js to develop our home-grown CRM System (Customer Relationship Management System). The CRM-Tech circle is embedded in our circle cluster “Customer & Shop Intelligence”, which is in charge of driving a personalized and inspirational shop experience. CRM-Tech’s Mission is to deliver personalized and intelligent recommendations, along with tailored mailing, push, onsite notifications and coupons to our customers, leveraging their historical consumption behavior. We handle over 15 million real-time API calls per hour and manage extensive data resources to ensure the finest shopping experience for our customers. We also serve as an internal tool for our marketing managers to handle CRM campaigns, and continuously build towards a user-friendly experience that enables day-to-day business operations.

Job Responsibility:

  • Develop cutting-edge CRM software utilizing Node.js with TypeScript
  • Manage extensive data volumes efficiently, employing Google BigQuery and MySQL. and integrating seamlessly with Business Intelligence systems
  • Build and enhance high-traffic APIs, ensuring minimal latencies
  • Incorporate complex business logic into data processing
  • Utilize empathy towards users to continuously discover problems and solutions, iterating towards optimal UX
  • Collaborate closely with seasoned developers, product managers, and QA experts to solve business and user problems by enriching current functionalities and launching novel features
  • Draft architectural decisions together with our Tech Lead and explore new technologies
  • Rapidly innovate and grow in a culture with swift decision-making processes

Requirements:

  • Min 5 years Node.js experience
  • Practical & recent experience with TypeScript
  • Solid know-how in relational databases
  • Solid know-how in job-based data processing
  • Practical & recent experience with React, VueJs or similar frontend frameworks
  • You write well-structured, efficient and maintainable code and actively keep the quality of the code base in check
  • You have excellent analytical and problem-solving skills
  • You are used to working in an English-speaking and agile environment
  • You are proactive and take ownership in everything you do
  • You have a MVP mindset and are used to a high-speed environment
  • You know how to communicate with different stakeholders and internal users

Nice to have:

  • Experience with AWS
  • Experience with Bull or other queue frameworks
  • Experience with Google Big Query
  • Experience with centralized logging, monitoring, and alerting solutions (Datadog)
What we offer:
  • Hybrid working
  • Fresh fruit every day
  • Sports courses
  • Free access to code.talks
  • Exclusive employee discounts
  • Free drinks
  • Language courses
  • Laracast account for free
  • Company parties
  • Help in the relocation process
  • Mobility subsidy
  • State-of-the-art technology
  • Central Location
  • Flexible Working Hours
  • Company pension
  • Professional training
  • Dog-friendly office
  • AY Academy
  • Feedback Culture
  • Job Bikes

Additional Information:

Job Posted:
January 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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