2 beste Stellen als software engineer backend (m/w/d) in berlin, be – aktuell auf Personalsuche

(Senior) AI Engineer – AI Booster Team (m|w|d)
idealo internet GmbH —Berlin
- Vollzeit
- Master
- Künstliche Intelligenz
- Python
- Kostenlose Verpflegung
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Senior QA Engineer (m/w/d)
Lumenaza GmbH —Berlin-Kreuzberg
- Vollzeit
- Englisch
- Linux
- Python
- Homeoffice-Möglichkeit
- Weiterbildungsprogramme
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(Senior) AI Engineer – AI Booster Team (m|w|d)

idealo internet GmbH -
Berlin

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Details zur Stelle

Vollzeit

Leistungen

Firmenfahrrad-Leasing
Firmenevents
Kostenlose Verpflegung
Kostenfreies oder vergünstigtes Deutschland-Ticket

Qualifikationen

CI/CD
React
Master
Künstliche Intelligenz
TypeScript
Python

Vollständige Stellenbeschreibung

idealo’s AI Booster Team accelerates the company’s adoption of generative AI technology by partnering with product teams, building reusable AI workflows, and championing best practices across the company. You’ll shape and deliver scalable LLM systems and agentic workflows that turn ideas into production launches - fast.

About your new role

Collaborate with cross-functional teams to design, prototype, and ship LLM-powered features from ideation to live in weeks.
Architect and build advanced LLM workflows and agentic systems - multi-agent orchestration, tool use, and execution flows.
Select and evaluate the right models and inference infrastructure for the task, balancing cost, latency, quality, and safety.
Develop reusable AI building blocks (e.g., sophisticated RAG pipelines, evaluation frameworks, model adapters) that scale across products and teams.
Champion automated evaluations, human-in-the-loop checks, and continuous feedback loops to ensure quality, reliability, and cost effectiveness.
Serve as a technical mentor - run office hours, reviews, and workshops to level up GenAI skills across idealo.

Skills & Requirements

Professional software engineering experience (3 + years) with at least 1+ years hands-on building LLM-centric systems or related generative AI applications.
Knowledge of LLM workflows, RAG design, embeddings, vector databases, prompt strategies, and multi-agent patterns.
Experience with model evaluation, selection, performance optimization, and cost-effective deployment across cloud or hybrid environments.
Proficiency in Python (core), and familiarity with at least one modern engineering stack (e.g., FastAPI, Node.js/TypeScript, React) - with bias toward backend, pipelines, and automation logic over UI.
Comfortable with ML/AI infrastructure & orchestration (cloud services, containerization, CI/CD, monitoring).
High personal agency - you stay on top of the latest GenAI research and tooling, contribute to team knowledge, and push for pragmatic outcomes with a bias for action.
Evidence of exceptional achievement - like open-source contributions, AI tooling, competitions, publications, or widely-used engineering artifacts.

You don’t tick every box? No worries! We hire people, not checklists – and value motivation and growth.

At idealo you can expect

You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching & mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.
And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after-work beer, in addition to the "standard foosball". It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.
In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice.
You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!
Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.
And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!

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software engineer backend (m/w/d) Jobs in berlin, be

(Senior) AI Engineer – AI Booster Team (m|w|d)

Senior QA Engineer (m/w/d)

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