20 beste Stellen als python backend developer in berlin, be – aktuell auf Personalsuche

Principal Python Engineer
Topoteretes UG (haftungsbeschränkt) —Berlin
- Hybrides Arbeiten
- Datenbanken
- APIs
- Python
Direkt bewerben
Lead Backend Engineer (all genders)
ABOUT YOU SE & Co. KG —Berlin
- Vollzeit
- Hybrides Arbeiten
- Master
- SQL
- AWS
Direkt bewerben
Senior Backend Engineer - AI Systems (m/f/x)
beroe x nnamu GmbH —Berlin
- Vollzeit
- Azure
- Datenbanken
- Softwareentwicklung
Direkt bewerben
Back-End Engineer - Team Agents
Taktile —Berlin
- Vollzeit
- Hybrides Arbeiten
- Master
- Datenbanken
- AWS
Full-Stack Customer Success Engineer (f/m/x)
D4L data4life gGmbH —Berlin-Kreuzberg
- Vollzeit
- Informatik
- Forschungserfahrung
- Master
- Homeoffice-Möglichkeit
Working Student Software Engineer (m/f/d)
Raisin —Berlin
- Informatik
- Systemdesign
- Master
- Flexible Arbeitszeiten
13 Std.
Engineering - Internal AI Transformation
ElevenLabs —Berlin
- Vollzeit
- Homeoffice
- DevOps
- Systemdesign
- Master
- Reisekostenerstattung
Senior Data Platform Engineer (d/f/m)
Taxfix —Berlin
- Vollzeit
- Hybrides Arbeiten
- Azure
- SQL
- AWS
- Flexible Arbeitszeiten
Direkt bewerben
Senior Engineering Manager
Zattoo —Berlin
- APIs
- Kommunikationsfähigkeit
- Python
- Homeoffice-Möglichkeit
- Flexible Arbeitszeiten
Senior Backend VPP Software Engineer - TypeScript (m/f/d)
1Komma5° GmbH —Berlin
- Vollzeit
- Machine Learning
- APIs
- Python
Direkt bewerben
Senior AI Software Engineer (all genders)
Kertos GmbH —Berlin
- Vollzeit
- Master
- APIs
- Künstliche Intelligenz
Direkt bewerben
Senior Backend Engineer (m/f/x)
VERBI Software - Consult - Sozialforschung GmbH —Berlin
- Vollzeit
- Hybrides Arbeiten
- Azure
- Datenbanken
- AWS
Engineering Manager - Software Engineering (f/m/d)
Holoplot GmbH —Berlin
- Vollzeit
- C++
- Agile
- Python
Senior AI Engineer (Libra - Legal AI Assistant) (m/w/d)
Wolters Kluwer —Berlin
- Vollzeit
- Master
- APIs
- Künstliche Intelligenz
- Homeoffice-Möglichkeit
- Flexible Arbeitszeiten
Senior Data Engineer at Advertising Platform
OneTeamAnywhere —Berlin
- Vollzeit
- Hybrides Arbeiten
- Java
- SQL
- AWS
- Flexible Arbeitszeiten
Direkt bewerben
Full Stack AI Engineer
Xsolla —Berlin
- Vollzeit
- Azure
- Master
- AWS
- Flexible Arbeitszeiten
Direkt bewerben
Senior Backend Engineer (all genders) - Vehicle Foundation
MOIA GmbH —Berlin
- AWS
- C++
- Linux
- Homeoffice-Möglichkeit
Full-Stack Developer (m/w/d)
YPOG —Berlin
- Teilzeit
- Hybrides Arbeiten
- Azure
- Englisch
- Datenbanken
- Homeoffice-Möglichkeit
- Weiterbildungsprogramme
Direkt bewerben
9 Tage
Staff Engineer - Full Stack (f/m/d)
Thermondo GmbH —Berlin
- Ab 100.000 € pro Jahr
- Vollzeit
- CRM-Software
- Vertrieb
- Künstliche Intelligenz
- Homeoffice-Möglichkeit
Direkt bewerben
DevOps Security Engineer
Decentralized Masters —Berlin
- Vollzeit
- Homeoffice
- Master
- AWS
- Bachelor
Direkt bewerben

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Principal Python Engineer

Topoteretes UG (haftungsbeschränkt)
Berlin

Direkt bewerben

Details zur Stelle

Qualifikationen

Cloud-Infrastruktur
Datenbanken
Verteilte Systeme
SDKs
APIs
Graphdatenbanken
Python

Vollständige Stellenbeschreibung

Cognee is building the memory engine + data plane for AI agents to plan, reason, and act. Our open-source Python SDK is in production at 70+ companies, hit GitHub Trending, and runs 550,000+ times per month. We've won early customers (including top-10 Pharma) and recently raised a large Seed.

We are looking for a Principal Engineer / Lead for the Python SDK to own the technical vision, architecture, and execution of Cognee's primary developer interface. This role is critical: the Python SDK is the product for most users. You will set the standard for SDK quality, ergonomics, performance, and long-term maintainability, while working closely with platform, infra, and product teams to ensure Cognee feels world-class for developers.

What You Will Build

SDK Architecture & Technical Vision Define and own the long-term architecture of the Cognee Python SDK, ensuring clarity, extensibility, and stability as usage scales.

Developer Experience at Scale Design APIs that feel intuitive, composable, and hard to misuse—serving both early-stage startups and large enterprises.

Performance & Reliability Optimize SDK performance for high-throughput workloads, large memory graphs, and production AI agent systems.

API & Abstraction Design Decide what belongs in the SDK vs the platform. Build clean abstractions over complex systems (vector stores, graphs, memory lifecycle).

Open-Source Leadership Act as the technical steward of the open-source SDK: reviews, RFCs, contribution guidelines, and community standards.

Cross-Team Technical Leadership Work closely with platform, infra, and DevRel to ensure the SDK cleanly integrates with control plane, databases, and deployment models.

Quality & Engineering Excellence Establish best practices around testing, versioning, backwards compatibility, documentation, and release processes.

Requirements

Principal-Level Engineering Experience 8+ years of software engineering experience, with clear ownership of critical systems or developer-facing platforms.

Deep Python Expertise Mastery of Python, including async patterns, packaging, typing, performance optimization, and SDK design best practices.

SDK / API Design Track Record Proven experience building and maintaining widely-used SDKs, libraries, or developer platforms.

Distributed Systems Understanding Strong intuition for how SDKs interact with distributed backends, databases, and cloud infrastructure.

AI / Data Systems Familiarity Experience with LLMs, vector databases, graph systems, or data-intensive applications. Technical Leadership Comfortable making high-impact architectural decisions and mentoring senior engineers without heavy management overhead.

Open-Source Experience Prior experience maintaining or leading open-source projects used by external developers. Nice to Have Experience with agent frameworks, vector search, or graph databases Background in developer tools, infra, or platform engineering

Strong opinions about API ergonomics and DX (and the ability to defend them) Experience scaling open-source projects with large external contributor bases

Benefits

Top-of-market compensation + meaningful equity

Ownership over a core, business-critical product surface

Direct access to founders and real influence on product direction High autonomy, low bureaucracy, high trust

Opportunity to define the de facto memory SDK for AI agents

Direkt bewerben

Erweiterte Suche

python backend developer Jobs in berlin, be

Principal Python Engineer

Lead Backend Engineer (all genders)

Senior Backend Engineer - AI Systems (m/f/x)

Back-End Engineer - Team Agents

Full-Stack Customer Success Engineer (f/m/x)

Working Student Software Engineer (m/f/d)

Engineering - Internal AI Transformation

Senior Data Platform Engineer (d/f/m)

Senior Engineering Manager

Senior Backend VPP Software Engineer - TypeScript (m/f/d)

Senior AI Software Engineer (all genders)

Senior Backend Engineer (m/f/x)

Engineering Manager - Software Engineering (f/m/d)

Senior AI Engineer (Libra - Legal AI Assistant) (m/w/d)

Senior Data Engineer at Advertising Platform

Full Stack AI Engineer

Senior Backend Engineer (all genders) - Vehicle Foundation

Full-Stack Developer (m/w/d)

Staff Engineer - Full Stack (f/m/d)

DevOps Security Engineer

Ich möchte aktuelle Job-E-Mails für Stellen als python backend developer in berlin, be erhalten

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