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CCarOnSale
CarOnSale•Automotive E-commerce

Senior Backend Engineer

Location

Berlin, Germany

Work type

Hybrid

Employment

Full Time

Experience

8+ years

Compensation

Compensation not disclosed

Posted

2d ago

Summary and responsibilities

Role overview

Summary

This role involves end-to-end ownership of backend development, including technology selection, architecture design, and feature implementation for a high-scale auction platform. The engineer will also set code quality standards, development practices, and CI/CD pipelines, while mentoring other engineers and challenging existing workflows.

Your responsibilities

  • You own backend development end to end: technology selection, architecture design, and implementation of the features that carry platform performance and scale

  • You build AI-first. Coding agents, LLMs and AI-assisted development are part of the daily workflow here, not a pilot project

  • You set the standards: code quality benchmarks, development practices and CI/CD pipelines, agreed cross-functionally and enforced in review

  • You mentor the engineers around you, share what you know, and raise the bar on backend practice

  • You challenge how we work. When our approach is wrong, you say so and you bring the better one

What you bring

  • 8+ years in software engineering, 5+ of them focused on backend

  • Deep TypeScript proficiency, with strong Node.js, NestJS and PostgreSQL experience

  • A proven mentorship track record: you have coached engineers and raised the standard around you

  • Solid command of Git, Docker and CI/CD pipelines

  • Comfortable in Scrum or Kanban, working with JIRA and Confluence

  • English at C1 level, written and spoken, for daily work with an international team

  • AI-native working style: you use AI tools in your own development workflow and have real judgement about where they accelerate you and where they don't

  • Based in Berlin or ready to relocate

Nice to have

  • WebSockets or other real-time systems

  • Search frameworks such as Elasticsearch or Lucene

  • Automotive or B2B trading background

  • Conversational German

What to expect from us

  • Hybrid working: 2 days in office, 3 days remote – plus 25 "Work from Anywhere" days per year

  • 28 days annual leave

  • 2× annual career & development conversations

  • Company pension with 20% employer contribution

  • Fully paid Deutschlandticket (public transport)

  • FitX membership or Urban Sports Club subsidy

  • Virtual stock options — share in the upside

  • Modern IT setup for your day-to-day work

  • Structured onboarding with buddy programme and social events

  • Lived diversity: active women's network, meditation & prayer room

Updated 2d ago

Candidate fit

Skills and qualifications

Additional skills

TypeScript • 1+ yrs
Node.js • 1+ yrs
NestJS • 1+ yrs
PostgreSQL • 1+ yrs
Git • 1+ yrs
Docker • 1+ yrs
CI/CD • 1+ yrs
Mentorship • 1+ yrs

Experience

8+ years

How this role is positioned

Role classification

Job domains

Engineering

Industries

Automotive

Employment

Full Time

Contract duration

Permanent

Hiring type

Direct

Global hiring

Location specific

Offer details

Compensation and benefits

Compensation

Compensation not disclosed

VisibilityShared on listing
CurrencyUSD
PeriodYearly

Location, schedule, and role shape

Work setup

Work conditions

Primary locationBerlin, Germany
Work typeHybrid
Global hiringNo

Bandwidth profile

peopleMedium • 7/10
physicalLow • 2/10
cognitiveHigh • 8/10
executionHigh • 8/10
creativityHigh • 8/10
uncertaintyMedium • 7/10
communicationMedium • 7/10

Context on the employer

Company snapshot

Company

CarOnSale

Team size

Growing team

Location

Berlin, Germany

CarOnSale is the AI-powered platform for B2B used car trading in Europe. Over 40,000 buyers from more than 20 countries trade on our platform — and 85% of inventory is exclusive to us. We connect software, pricing intelligence, logistics and financing in one layer — as the operating system for an entire industry.

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Senior Backend Engineer

Berlin, Germany • Full Time