ruby English-speaking jobs in Baden-Württemberg

Working student supports sales team with CRM management, lead targeting, and outreach via email, LinkedIn, and phone. Creates and optimizes sales messaging and supports the sales process from initial contact to demo appointments.

Leads and executes post-merger integrations for newly acquired engineering businesses. Focus areas include finance processes, project reporting, and commercial governance.

Zeta Global seeks a Senior/Staff DSP Engineer to design and operate low-latency, high-throughput real-time bidding systems. Responsibilities include building bid request processing, auction logic, pacing and budgeting, and integrating with ML scoring systems. Requires 5+ years (Senior) or 8+ years (Staff) of experience building production-grade systems at scale. Proven experience with Java, Go, distributed systems, AWS, and real-time data stores is essential.

As a (Junior) Portfolio Analyst, you will be the internal expert on commodity markets and provide data-driven analyses for stakeholders. You will also gather and challenge stakeholder requirements, build data structures, and develop reports in collaboration with teams.

Manage a portfolio of major airline and oil company accounts, developing and executing account plans focused on growth, retention, and customer satisfaction. Lead contract renewals and price negotiations, prepare commercial proposals, and drive price realization and margin improvement.

Senior M365 Services Engineer to support MS Platforms Operations with expertise in Microsoft 365 and Azure. Focus on monitoring, automation, and analytics to improve operational efficiency.

The Operations Finance Manager leads the financial function for Operations Finance, including the Leuna facilities. The role provides strategic financial guidance to support business targets and profitability. Collaborates with teams to ensure financial performance, identify process improvements, and manage cash flow. Manages cost accounting, inventory, and assets, ensuring compliance with regulations. Presents plant financials and supports month-end and quarter-end activities.

Full-time B2B Marketing & Sales Intern supporting market research, marketing strategy implementation, and sales team engagement in the automotive and embedded systems industries.

Senior Site Engineer to oversee turnkey construction projects in industrial, commercial, and residential sectors. Manage day-to-day site operations, ensuring quality, safety, scheduling, subcontractor management, documentation, and cost control. Requires 3-5 years of site management experience and knowledge of German construction standards and VOB regulations.

The Max Planck Institute for Solid State Research seeks a Research Coordinator to provide administrative, scientific, and outreach support to a new experimental department.

Freelance Grant Writer needed to prepare grant narratives, research donor information, and manage donor relations for documenta 16. Must have fluency in English, strong writing skills, and experience in institutional fundraising.

As a Manager Medical Science Liaison Oncology, you will act as a field medical expert, delivering medical education to healthcare professionals and gathering insights to inform strategy. You will build and maintain scientific partnerships with key opinion leaders and research organizations in oncology, focusing on breast cancer and/or lung cancer. You will support clinical trials, identify research opportunities, and represent the organization at scientific events.

Designs and maintains enterprise AWS infrastructure architectures, including account structures, networking, compute, storage, and databases. Defines and enforces AWS infrastructure standards and guardrails, ensuring security, compliance, and cost optimization. Acts as an AWS infrastructure advisor for application, DevOps, and operations teams. Requires 10+ years of experience in IT infrastructure and/or cloud architecture, with proven experience designing and operating enterprise-scale AWS environments.

As a Postdoctoral Researcher, you will conduct research in Machine Learning, Data Science, and Cloud Platforms, translating trends into research roadmaps and prototypes. You will identify funding opportunities, write research proposals, and collaborate with teams to connect research with practical applications.

Executes marketing strategy for international market expansion, analyzes markets and competitors, and manages international categories. Implements innovation roadmaps, manages innovation projects, and collaborates with cross-functional teams. Requires a university degree in Business Administration or comparable qualification and 5 years of experience in international FMCG or OTC brand development/marketing. Fluent in German and English.

Freelance Webflow Designer & Developer needed to build a new, custom website for a consulting firm. Must have experience with Webflow IX2 interactions, responsive design, and CMS setup. Portfolio of live Webflow builds required.

Working student supports HR functions including personnel file maintenance, onboarding documentation, and scheduling.

Support master data analysis, preparation, and maintenance processes. Collaborate on documentation, data installations, and reporting. Analyze and structure complex data volumes.

Senior Brand Manager leads brand development and execution across Central Europe, translating global strategies into regional plans and driving innovation.

Lead the Avionics team in the design, development, and deployment of modular and reusable spacecraft. Define system requirements and architecture for avionics, communication, and power systems. Oversee spacecraft integration, verification, and certification. Collaborate with software, GNC, and flight computing teams to ensure a cohesive system architecture.