Senior Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin at ABOUT YOU SE & Co. KG

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• 🏢 ABOUT YOU SE & Co. KG has 62 jobs here, 42 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Minimum salary: €50,700 a year guide
• 💡 No salary shown. Ask ABOUT YOU SE & Co. KG if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Design and implement search algorithms and relevance ranking for our search engine
- Apply NLP techniques to improve query understanding and result relevance
- Develop backend services using Node.js and TypeScript focused on performance and scalability
- Integrate and process large datasets (Google BigQuery) and connect with the data platform and BI systems
- Build and maintain high-traffic, low-latency APIs and ensure robust monitoring and alerting
- Collaborate with product managers, data scientists, QA and engineers to define features and iterate quickly
- Drive architectural decisions with the Tech Lead and prototype new technologies
- Investigate search outcomes, diagnose relevance issues and translate findings into technical improvements

Requirements:
- 5+ years backend engineering experience
- 2+ years building scalable APIs (Node.js, Python, or Go) and production services
- Practical, recent experience with a typed language (TypeScript preferred)
- Strong knowledge of SQL and/or NoSQL databases and data modeling
- Proven ability to write efficient, maintainable, testable code and enforce code quality
- Experience working in English-speaking, agile teams and collaborating cross-functionally
- Strong analytical and debugging skills focused on search behavior and metrics
- Nice to have: Elasticsearch/OpenSearch, dbt, MPP warehouses (BigQuery/Redshift), Datadog, cloud (AWS/GCP), orchestration (Dagster/Airflow), ML/LLM experience

Responsibilities

You will design and implement search algorithms using NLP techniques to optimize search results for relevance and efficiency. Additionally, you will build high-traffic APIs and manage large data volumes while collaborating with cross-functional teams to launch new features.

Requirements

The ideal candidate has 5+ years of backend experience and at least 2 years of experience building scalable APIs with languages like Node.js, Python, or Go. You must have practical experience with typed programming languages and solid knowledge of SQL or No-SQL databases.

Key skills

• Node.js — in 172 other listings on The Stack
• TypeScript — in 467 other listings on The Stack
• Search algorithms — in 1 other listing on The Stack
• NLP — in 26 other listings on The Stack
• Google BigQuery — in 16 other listings on The Stack
• SQL — in 545 other listings on The Stack
• No-SQL — in 11 other listings on The Stack
• API development — in 126 other listings on The Stack
• Elasticsearch
• OpenSearch
• Data modeling
• dbt
• AWS
• GCP
• Machine learning
• LLM

On The Stack (as of 2026-11-05)

• ABOUT YOU SE & Co. KG has 61 other listings on The Stack, 41 of them marked as offering visa sponsorship.
• 166 visa-sponsored jobs in Germany on The Stack, posted in the last 60 days.
• 68 visa-sponsored backend engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about ABOUT YOU SE & Co. KG

Is this Senior Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin role still open?

It was posted on 2026-04-02. Listings more than 30 days old may no longer be active, so check ABOUT YOU SE & Co. KG's site before applying.

Does ABOUT YOU SE & Co. KG offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on ABOUT YOU SE & Co. KG's site.

Where is this role located?

The listing gives the location as Hamburg, Germany. It is marked on-site.

What skills does this role ask for?

The listing names: Node.js, TypeScript, Search algorithms, NLP, Google BigQuery, SQL, No-SQL, API development, Elasticsearch, OpenSearch, Data modeling, dbt, AWS, GCP, Machine learning, LLM.