Job
- Level
- Senior
- Location
- Hamburg, Berlin
- Working Model
- Onsite
- Job Field
- Data, Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Salary
- 70.000 to 85.000€ gross/year
Job Summary
In this role, you will develop a powerful ranking engine and design batch write pipelines for efficient data transfer, implementing ranking APIs with Node.js/TypeScript, directly impacting product visibility.
Job Technologies
Your role in the team
- Shaping how millions of users see products by combining ML model results with business logic such as campaign boosts or sponsored products.
- Development and responsibility for our high-performance ranking engine "Spotsetter" to ensure fast, deterministic, and fair sorting of products.
- Design and implementation of reliable batch-write pipelines that transfer data directly from BigQuery to high-performance relational databases such as Postgres and MySQL.
- Development of low-latency APIs for delivering ranking data with Fastify and Node.js/TypeScript.
- Close collaboration with Data Engineers, Product Managers, and Commercial Teams to make data-driven decisions regarding product sorting.
- Active participation in shaping the technical architecture together with our Tech Lead, contributing your own ideas, and continuously developing a clean and maintainable codebase.
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Our expectations of you
Qualifications
- You enjoy delving deeply into ranking issues, taking responsibility for a product, and seeing how your changes have measurable impacts on relevant business KPIs.
- Very good practical SQL skills, especially in developing Postgres/MySQL schemas, query optimization, and batch operations beyond simple ORM usage.
- Good algorithmic understanding of sorted data, deduplication, latency trade-offs, and the implementation of constraints.
- You enjoy connecting backend engineering and machine learning by deploying model scores or ranking data in production systems.
- Clear communication in English as well as a pragmatic and solution-oriented way of working.
Experience
- 5+ years of experience in developing backend systems, ideally with Node.js/TypeScript – we also welcome experienced developers with Java, Go, or Kotlin backgrounds and quick learning ability.
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What we offer
- € 70,000-85,000 per year.
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Food & Drink
Topics You Will Work On
Job Locations
About Your Employer
About You
As a rapidly growing online fashion retailer in Europe, ABOUT YOU has won multiple awards. As a fashion company and technology company, we work together to make the shopping experience more inspiring and personal for our customers.
Description
- Language
- English
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Trade, Internet, IT, Telecommunication
Employer reviews
by devworkplaces.com
Total
(1 Review)3.7
Workingconditions
4.0Engineering
3.6Culture
3.5Career Growth
3.6
Senior Backend Engineer - Ranking Systems
- Salary
- 70.000 to 85.000€ gross/yearEstimated net salary based on the gross salary in the job ad using tax class I.42.583 to 50.675 € net/year · Tax class I
- Location
- Hamburg, Berlin
- Working Model
- Onsite
- Diversity
- Open for all genders
- English Only
- English only required
