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200+ English-Speaking Jobs in Köln

SUSumUp

Senior Backend Engineer(m/w/x)

Köln
Full-timeOn-siteSenior

Nejo AI Summary

Building core neobanking backend services with Go, Docker, and Kubernetes. End-to-end feature ownership and critical infrastructure migration experience required. Virtual stock options, 28 days paid leave.

UNUniversity Hospital of Cologne

Doctoral Researcher / PhD Candidate – Proteostasis and Secretory Pathway Regulation(m/w/x)

Köln
Part-timeOn-site

Nejo AI Summary

Investigating membrane protein homeostasis using quantitative proteomics and genome engineering. Mammalian cell culture and microscopy experience preferred. Access to state-of-the-art core facilities.

ACAccorHotel

Commis de Rang(m/w/x)

Köln
Full-timeOn-siteJunior

Nejo AI Summary

Serving shared meals with passion and Balagan at seven restaurant locations. Completed gastronomy training and first experience required. 4-day workweek, 10 nights free hotel stays annually.

RERedcare Pharmacy

Senior Manager Retail Media Campaign Management(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Strategic steering and performance management of Retail Media campaigns for Europe's No.1 e-pharmacy. 5+ years in digital advertising or media strategy required. Remote work within EU, fully covered Deutschland-Ticket.

SPSpeechify

Software Engineer, Platform(m/w/x)

Köln
from USD 30,000 - 120,000 / year
Full-timeRemote
AI/ML

Nejo AI Summary

Designing and enhancing public and internal APIs for text-to-speech products. Backend development experience with TS/Node and GCP required. Bonus, stock options, and autonomy in a dynamic environment.

SPSpeechify

Senior Software Engineer, Windows/Desktop Applications(m/w/x)

Köln
from USD 30,000 - 120,000 / year
Full-timeOn-siteSenior

Nejo AI Summary

Lead native Windows desktop app development using Windows App SDK, WinUI, C#, and XAML. 3+ years of Windows desktop app development required. Stock options, bonus, and leadership opportunities.

SPSpeechify

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

Köln
from USD 30,000 - 120,000 / year
Full-timeRemoteExperienced
AI/ML

Nejo AI Summary

Shipping production code for web products and Chrome extensions at a text-to-speech company with 50M+ users. Experience building scalable products required. Stock options, bonus, and fast-growing environment.

SPSpeechify

Senior iOS Engineer(m/w/x)

Köln
from USD 30,000 - 120,000 / year
Full-timeOn-siteSenior
AI/ML

Nejo AI Summary

Shipping production code for the Speechify iOS app, collaborating in dedicated product teams. Experience with products scaled to large user bases required. Bonus, stock options, and impactful product.

SPSpeechify

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

Köln
from USD 30,000 - 120,000 / year
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

Delivering cross-platform SDK solutions for audio content transformation. Systems thinking and end-to-end design skills required. Bonus, stock options, and fast-growing environment.

DYDyson GmbH

Lead Commercial Finance Analyst(m/w/x)

Köln
Full-timeOn-siteSenior

Nejo AI Summary

End-to-end financial planning and P&L ownership for Dyson's product development. Strong analytical skills and Excel proficiency required. Partnering with accounting during month-end close, SAP/Power BI experience a plus.

SASAG Group

Senior Fullstack Developer C#/.NET(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Evolving e-commerce features and customer storefronts for automotive aftermarket in Europe. 5+ years C#/.NET full-stack experience required. Significant influence on architecture and technical direction.

UNUniversity Hospital of Cologne

Doctoral Researcher / PhD Candidate in Immunotherapy of Viral Infections(m/w/x)

Köln
Part-timeOn-site

Nejo AI Summary

Designing AAV-based gene vector strategies for HIV-1 bNAb combination therapy. Experience with immunological and molecular biology methods required. Access to state-of-the-art technologies and laboratory infrastructure.

RERedcare Pharmacy

Senior Data Scienctist, Retail Media(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Developing intelligent retail media solutions for advertisers and customers. Applied data science and machine learning model deployment in Python and SQL required. Work from home up to 20 days/year in EU, Urban Sports Club membership.

INInterbrand

Senior Client Manager(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Brand strategy development for global clients, managing multiple workstreams and project lifecycles. Strong commercial project track record and client relationship building required. Focus on strategic client engagement and team wellbeing.

Senior Innovation Manager Polymer Applications - Wire & Cable
OROrion Engineered Carbons

Senior Innovation Manager Polymer Applications - Wire & Cable(m/w/x)

Köln
from 95,000 - 120,000 / year
Full-timeWith Home OfficeSenior

Nejo AI Summary

Shaping the future of the Cable & Wire segment with high-performance polymer solutions for the energy transition. Substantial practical experience in polymer-based materials development and demanding cable applications required. 30 days annual leave, performance-related bonus schemes.

UNUniversity Hospital of Cologne

Doctoral Researcher / PhD Candidate in translational viral immunity(m/w/x)

Köln
Part-timeOn-site

Nejo AI Summary

Investigating antibody and B-cell dynamics in viral immunity, establishing high-throughput binding assays. Advanced molecular biology and immunology techniques experience preferred. Participation in modern research project, excellent scientific environment.

System Manager – Traceability and Chain of Custody
ISISCC System GmbH

System Manager – Traceability and Chain of Custody(m/w/x)

Köln
from 55,000 - 65,000 / year
Full-timeWith Home OfficeExperienced
Green Job

Nejo AI Summary

Developing ISCC certification frameworks for SAF, AMF, and road fuels. Minimum 3 years post-grad experience, with 2 years in sustainable fuels or energy markets, required. 4 weeks remote work, flexible hours.

Sustainability Manager – Sustainable Fuels (Marine Fuels)
ISISCC – International Sustainability and Carbon Certification

Sustainability Manager – Sustainable Fuels (Marine Fuels)(m/w/x)

Köln
from 55,000 - 65,000 / year
Full-timeWith Home OfficeExperienced
Green Job

Nejo AI Summary

Developing ISCC certification schemes for alternative marine fuels. Technical expertise in AMF pathways and regulatory frameworks required. 4 weeks remote work, 33 vacation days.

FUFusion Consulting

.SAP EWM Consultant(m/w/x)

Köln
Full-timeWith Home OfficeExperienced

Nejo AI Summary

SAP EWM configuration and end-to-end implementation for Life Sciences clients. 2+ full-cycle implementations required. Extended learning and continuous feedback.

RERedcare Pharmacy

Senior ML Ops Engineer(m/w/x)

Köln
Full-timeWith Home OfficeSenior
AI/ML

Nejo AI Summary

CI/CD pipeline development for ML/LLM models on cloud and on-premise infrastructure. Hands-on ML/LLM deployment experience required. Work from home up to 20 days/year in EU, personal development support.

RERedcare Pharmacy

Senior Application Manager E-Invoice(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Managing cloud-based SaaS applications and API integrations for Europe's No.1 e-pharmacy. Azure cloud and security principles knowledge required. Work from home up to 20 days/year in EU, anonymous psychologist support.

RERedcare Pharmacy

Senior e-Invoice /APA Application Manager(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Managing cloud-based SaaS applications and API integrations with REST (JSON/XML) for Europe's No.1 e-pharmacy. Azure environment integration and API security best practices (JWT, mTLS) knowledge required. Work from home up to 20 days/year in EU, Deutschland Ticket.

UNUniversitätsklinikum Köln AöR

Postdoctoral Researcher - Biomarker Discovery in Neurodegenerative and Neuropsychiatric Disorders(m/w/x)

Köln
Full-timeOn-site
Data Science

Nejo AI Summary

Identifying novel prognostic biomarkers for Alzheimer’s and validating plasma biomarkers in diverse populations. Expertise in "omics"-epidemiological analysis of large cohort data required. Flexible working hours, interdisciplinary team.

AMAMBOSS

Sales Operations Manager(m/w/x)

Berlin, Köln
Full-timeWith Home OfficeExperienced
AI/ML

Nejo AI Summary

Optimizing sales processes and mapping bottlenecks for a medical education tool. 2-5 years of Sales Operations or Revenue Operations experience required. 30 vacation days, AMBOSS holiday, and daily healthy meals.

GEGerman Cancer Research Center (DKFZ)

Professorship in Clinical Computational Cancer Biology(m/w/x)

Köln
Full-timeOn-siteExperienced
AI/ML
Data Science

Nejo AI Summary

Leading a DKFZ research division at the NCT, analyzing high-quality datasets and developing ML methods for tumor heterogeneity. Internationally recognized personality in computational cancer biology required. Attractive core funding package, personnel and consumables funding.

UNUnbekannt

Senior DevOps Engineer(m/w/x)

Köln
Full-timeWith Home OfficeSenior

Nejo AI Summary

Optimizing cloud infrastructure on Microsoft Azure, implementing cloud-native solutions. Azure mastery and Keycloak configuration experience required. Hybrid work, 4-day work week.

VEVeeam Software

Senior Domain Engineering Specialist- VDP & Cloud(m/w/x)

Köln
Full-timeOn-siteSenior
AI/ML

Nejo AI Summary

Designing and implementing data security architectures for AI platforms, including DSPM/DLP. 5+ years cybersecurity architecture experience required. 30 vacation days, 4 self-care days, 24 volunteer hours.

UNUniversity of Cologne and German Cancer Research Center (DKFZ)

Professorship (W3) in Clinical Computational Cancer Biology(m/w/x)

Köln
Full-timeOn-siteExperienced

Nejo AI Summary

Leading a DKFZ research division within the NCT, analyzing high-quality datasets and developing algorithms for tumor heterogeneity and risk stratification. Internationally recognized personality in computational cancer biology required. Attractive core funding package, support for dual-career couples.

LELEGO Group

Verkäufer(m/w/x)

Köln
Part-timeWith Home OfficeEntry Level

Nejo AI Summary

Greeting guests and managing cash register at a global toy retailer. Child safeguarding background screening required. Family care leave, enhanced paid leave options, and life insurance.

LELEGO

Verkäufer(m/w/x)

Köln
Part-timeWith Home OfficeEntry Level

Nejo AI Summary

Greeting guests and managing cash register at LEGO stores. Child safeguarding background screening required. Family care leave, life insurance, and colleague discount.

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