frontend developer English-speaking jobs in Karlsruhe

As a Working Student in the Frontend Growth Team, you will build real frontend features for the Flutter app and React web, turning visitors into customers. You will work with Flutter, React, and AI tools.

Support Downstream Development by planning, executing, and evaluating lab-scale experiments for scalable silk protein purification. Requires knowledge of biotechnological processes and strong analytical skills.

Senior Data Engineer to develop and maintain IT applications for risk management and regulatory reporting. Requires experience in software/data architecture, SQL, Bash, and ETL processes. Strong analytical skills and German/English proficiency are necessary.

Project Director for a leading consultancy specializing in data centre construction. Oversee complex projects from design to completion, managing scope, budget, and stakeholders to ensure quality and regulatory compliance.

Lead the European Drop Shipment team, driving operational excellence and owning the S&OP process. Analyze complex data using advanced analytics and AI to improve forecasting and optimize supply chain performance.

The Brand Ambassador Germany translates advocacy strategy into local execution across Germany. This role builds relationships in the on-trade, supports bartender education, and delivers premium brand experiences. Fluent German and strong English are required.

Macroeconomist needed to support economic research and investment strategy. Responsibilities include global macroeconomic research, forecasting model development, and analyzing central bank decisions. Requires 2-5 years of experience and strong quantitative skills.

Marine & Offshore Surveyor role involving ship and equipment surveys in Germany's North-East Area. Requires BSc/MSc in marine engineering or naval architecture and 3+ years of relevant technical experience.

Shift Leader needed to lead floor operations at BUYA and REI. Responsibilities include coordinating service, supporting the team, and handling guest requests. Requires restaurant service and shift leadership experience.

Spanish-speaking Nanny needed to teach children from international families. Help kids learn Spanish through conversation, games, and engaging activities. Good Spanish knowledge and an interest in languages and children are required. No teaching experience necessary.

Own internal, backend products for operations, covering inbound processing, fulfillment, and returns. Drive roadmaps by translating operational reality into precise, data-backed requirements. Requires 3+ years in backend/operational product management.

IT Administrator for Microsoft 365 & Identity Management. Responsible for securing and operating the M365 tenant, managing identity lifecycles, and automating tasks using PowerShell. Requires M365 and Entra ID expertise.

For our Primary School in Hamburg we are looking for a motivated and qualified Teaching Assistant (part-time/full-time, starting 01.01.2027).

Working Student Sales supports sales activities, including CRM data quality, lead generation, and quotation preparation. Requires business administration studies, fluency in German and English, and strong teamwork.

Lead R&D projects and perform optical design for data communication and sensing components. Define requirements, design optical transmitters/receivers, and manage product development through qualification. Requires Master's/PhD and 8+ years of experience.

CADD Operator updates and expands digital plans using CAD/GIS programs per standards. Requires vocational training, 2 years experience, CAD knowledge, and English Level 2.

Car Mechanic role involving mechanical repairs, maintenance, and diagnostics of vehicle systems. Requires vocational education, at least one year of experience, and a Category B driving license.

Operator role involves packaging and quality control of drug-coated catheters and stents in cleanroom conditions. Responsibilities include coating processes, continuous improvement, and materials management. Requires completed vocational training and very good German skills.

Coordinator/Tour Manager for American, Canadian, and Brazilian university groups. Support and accompany overseas student groups in Europe, managing tour logistics and providing local information. Requires fluency in English and German.

Develop and introduce assembly and integration equipment/processes for opto-mechanical components. Manage processes from concept to release, ensuring robust, high-performance implementation. Requires engineering degree and knowledge of manufacturing technologies.