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200+ English-Speaking Jobs in Köln

Research Manager
DEDeepL

Research Manager(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML
Data Science

Nejo AI Summary

Leading AI researchers in post-training LLMs for next-gen translation. PhD or equivalent ML research depth required. Hybrid work, flexible hours, diverse team.

Senior Security Engineer
URUrban Sports Club

Senior Security Engineer(m/w/x)

Berlin, Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Securing cloud, application, and AI/ML environments for a European sports platform. 5+ years security engineering experience required. Up to 120 days remote work within EU, UK, and Switzerland.

Senior Software Engineer, Core Experiences
SPSpeechify

Senior Software Engineer, Core Experiences(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Delivering cross-platform SDK solutions for audio content listening. Systems thinking and end-to-end design ability required. Friendly, laid-back atmosphere with asynchronous culture focus.

Software Engineer, Platform
SPSpeechify

Software Engineer, Platform(m/w/x)

Köln
Full-timeRemoteExperienced
AI/ML

Nejo AI Summary

Designing and optimizing backend APIs for text-to-speech products used by 50M+ users. Backend development with TS/Node and GCP experience required. Autonomy and asynchronous work culture.

Senior Frontend Developer (JavaScript, Shopify)
AVAvomind

Senior Frontend Developer (JavaScript, Shopify)(m/w/x)

Köln
Full-timeRemoteManagement

Nejo AI Summary

Developing and implementing complex A/B tests for Shopify brands. Proven Shopify experience and client-facing technical discussion skills required. 30 days vacation, MacBook Pro, and workations.

Housekeeping Floor Supervisor
ACAccorHotel

Housekeeping Floor Supervisor(m/w/x)

Köln
Full-timeOn-siteExperienced

Nejo AI Summary

Overseeing designer furnishing upkeep and guest room cleaning. Organizational and communicative skills required. 4-day workweek, 10 free hotel nights annually.

Senior Solution Marketing Manager
UNUnframe

Senior Solution Marketing Manager(m/w/x)

Berlin, Köln, München
Full-timeRemoteSenior
AI/ML

Nejo AI Summary

Crafting AI solution narratives for LLM application deployment. 7-10 years B2B solution marketing experience required. Focus on enterprise use-case positioning and buyer pain points.

Senior Marketing Manager
ONONIQ

Senior Marketing Manager(m/w/x)

Köln, Berlin
Full-timeWith Home OfficeSenior
Green Job
AI/ML
Data Science

Nejo AI Summary

Driving B2B marketing strategy for AI-powered manufacturing software. Lead generation and Google Ads/LinkedIn campaign optimization experience required. Flexible hours, remote options, and regular team events.

Senior Applied AI Engineer
SISimon-Kucher

Senior Applied AI Engineer(m/w/x)

Berlin, Bonn, Köln, Frankfurt am Main, Hamburg, München
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Building production-grade AI applications with LLM solutions using LangChain/LangGraph. Deep LLM solutions experience with LangChain/LangGraph required. Work from abroad, hybrid working.

Finance Business Partner - Tech Development and Investments
RERedcare Pharmacy

Finance Business Partner - Tech Development and Investments(m/w/x)

Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

Strategic finance partnership for CIO and tech leadership, shaping IT strategy and investment prioritization. 4-6 years controlling or finance experience required. Remote work up to 20 days/year in EU, kindergarten grant.

Tech Lead, Web Core Product & Chrome Extension
SPSpeechify

Tech Lead, Web Core Product & Chrome Extension(m/w/x)

Köln
Full-timeRemoteExperienced

Nejo AI Summary

Shipping production code for web products and Chrome extensions used by 50M+ users. Experience building scalable products and customer obsession required. Asynchronous culture, entrepreneurial crew.

Senior / Principal Product Manager – Search Experience
RERedcare Pharmacy

Senior / Principal Product Manager – Search Experience(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Evolving end-to-end search experience for Europe's No.1 e-pharmacy, shaping relevance and ranking strategies. Strong ownership experience in search or discovery products required. Work from home up to 20 days/year in EU, personal development support.

PhD position in the area of tumor biology
UNUniversitätsklinikum Köln AöR

PhD position in the area of tumor biology(m/w/x)

Köln
Part-timeOn-site

Nejo AI Summary

Tumor biology research using 3D organotypic models and in vivo mouse studies. Hands-on CRISPR/Cas9 and qPCR/Western blot experience required. Access to modern facilities, internationally collaborative team.

Data Analyst (HR)
RERedcare Pharmacy

Data Analyst (HR)(m/w/x)

Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

Designing advanced data models and Power BI Cloud dashboards for HR analytics. 4+ years of experience in data modeling and Power BI Cloud required. Work from Home up to 20 days/year in EU, kindergarten grant.

Bioinformatician / Computational Biologist
UNUniversitätsklinikum Köln AöR

Bioinformatician / Computational Biologist(m/w/x)

Köln
Full-timeOn-site
Data Science

Nejo AI Summary

Analyzing next-generation sequencing data from pediatric tumors, integrating molecular types, and single-cell/spatial transcriptomics. Strong programming and large-scale biological data analysis skills required. Regular working hours, company pension schemes.

Student Brand Manager
LALAP Coffee

Student Brand Manager(m/w/x)

Köln
Part-timeOn-site

Nejo AI Summary

Launching bold activations and running guerrilla-style campaigns on campus. Interest in bold ideas and making noise required. Free drinks and 20 vouchers for friends.

Logistic Clerk
ININFICON

Logistic Clerk(m/w/x)

Köln
Full-timeOn-siteExperienced

Nejo AI Summary

Storing, delivering, and inspecting goods, with SAP document creation for semiconductor manufacturing. Warehouse specialist training and professional warehousing experience required. Profit sharing and flexible working hours.

Senior Fullstack Engineer - AdTech
RERedcare Pharmacy

Senior Fullstack Engineer - AdTech(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Building high-performance AdTech solutions with Node.js/TypeScript microservices and React interfaces. Deep experience in scalable microservices and cloud-native environments required. Work from home up to 20 days/year in EU, Urban Sports Club membership.

Director of Digital Strategy & Enablement
SISimon-Kucher

Director of Digital Strategy & Enablement(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Global digital marketing strategy for commercial growth consultancy. Experience building centralized digital operating models required. Work from abroad, daycare allowance.

Software Engineer, iOS Core Product
SPSpeechify

Software Engineer, iOS Core Product(m/w/x)

Köln
Full-timeOn-siteExperienced
AI/ML

Nejo AI Summary

Shipping production code for Speechify iOS app, collaborating in dedicated product teams. Experience with products scaled to large user base required. Work on impactful product, entrepreneurial crew.

Tech Lead, Android Core Product
SPSpeechify

Tech Lead, Android Core Product(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Developing core Android features for text-to-speech app, collaborating with design on UI/UX. 5+ years software engineering experience required. Asynchronous culture, friendly atmosphere.

Software Engineer, Data Infrastructure & Acquisition
SPSpeechify

Software Engineer, Data Infrastructure & Acquisition(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Acquiring audio data and extending GCP infrastructure with Terraform. 5+ years software development, bash/Python, and Docker proficiency required. Hands-off management, asynchronous culture.

Senior iOS Engineer
RERedcare Pharmacy

Senior iOS Engineer(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Shaping the architectural foundation of a large-scale, modular iOS platform for Europe's No.1 e-pharmacy. Strong Swift expertise and Clean Architecture knowledge required. Work from home up to 20 days/year in EU, psychologist support.

Backend Engineer, Content-API (Go/React)
AMAMBOSS

Backend Engineer, Content-API (Go/React)(m/w/x)

Berlin, Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

Building and extending APIs for content delivery at a global medical learning platform. 3-5 years backend experience in Go or Rust required. 30 vacation days, AMBOSS holiday, and daily healthy meals.

Barista Trainer Manager
LALAP Coffee

Barista Trainer Manager(m/w/x)

Köln
Full-timeOn-siteExperienced

Nejo AI Summary

Developing and delivering advanced barista training programs for speciality coffee. 2-4 years extensive barista experience required. Focus on coffee quality consistency and industry best practices.

Group Product Manager | Business Acceleration Track
DEDeepL

Group Product Manager | Business Acceleration Track(m/w/x)

Berlin, Köln
Full-timeRemoteSenior
AI/ML

Nejo AI Summary

Setting product strategy for AI business acceleration tools, connecting multiple tech areas. 8+ years group PM experience with B2B SaaS background required. Remote work, flexible hours, diverse international team.

Data Engineer
RERedcare Pharmacy

Data Engineer(m/w/x)

Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

Building scalable data pipelines and transforming large datasets on cloud platforms like Azure. 2+ years of data engineering experience with Spark and Python required. Work from home up to 20 days/year in the EU.

CRM Marketing Manager - US Physicians
AMAMBOSS

CRM Marketing Manager - US Physicians(m/w/x)

Berlin, Köln
Full-timeWith Home OfficeExperienced
AI/ML

Nejo AI Summary

Developing multi-channel lifecycle journeys for US physicians using AI medical technology. Multichannel CRM experience and a growth mindset required. 30 vacation days, AMBOSS holiday, and daily healthy meals.

Analytics Architect
RERedcare Pharmacy

Analytics Architect(m/w/x)

Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

Designing enterprise analytics architecture and scalable data models for Europe's leading e-pharmacy. Strong production experience with Fabric/Power BI and Databricks required. Work from home up to 20 days/year in EU, personal development support.

Senior Product Analyst Retail Media & AdTech
RERedcare Pharmacy

Senior Product Analyst Retail Media & AdTech(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Analysing campaign performance and user behaviour for Europe's No.1 e-pharmacy. 5+ years of product analytics experience with AdTech exposure required. Work from home up to 20 days/year in EU, personal development support.

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