ruby English-speaking jobs in Düsseldorf

Paygrade E13 Working Hours 100% (suitable for part-time work) Institution ForWind - Center for Wind Energy, research group Wind Energy Systems, team Controls Location Oldenburg (Oldb) Application Deadline 11. 08.

Medical Scientific Liaison for Rare Diseases / Liver will build relationships with medical and scientific experts, provide scientific education, and support clinical development. Requires an advanced scientific degree, previous MSL experience, and expertise in Rare Diseases / Liver. Fluency in German and English is required.

Senior Marketing Designer will develop creatives for social and display ads, collaborate with the marketing team, and optimize ad performance. Requires 3-5 years of graphic design experience, proficiency in design tools (Figma, Adobe Creative Suite), and experience creating static and motion ads.

This ERC-funded project pioneers the inverse design of time-varying metamaterials. The postdoctoral researcher will develop computational frameworks for 4D design, implement large-scale simulations, and collaborate with experimental partners.

Support Sales Team Directors with administrative and organizational tasks, including scheduling, documentation, and travel coordination. Provide customer support, resolve queries, and assist with account management activities.

The HGV Driver (Local) will collect and deliver products, ensuring timely and safe transportation. Responsibilities include vehicle handling, documentation compliance, and maintaining customer service standards.

Research mining companies, labs, and consultants. Qualify leads, book meetings for the sales team, and keep the CRM updated. Remote, part-time role (50% availability) in Germany.

Drives strategic sales into enterprise accounts, prospecting, qualifying, selling, and closing new business. Focus on new business development with a split of 70% new logo business and 30% account development. Manages the sales process, including lead generation, qualification, evaluation, close, and account care. Requires 7+ years of quota-carrying sales experience in software products and services.

Supervises electrical installation on a large-scale data center project in Germany. Leads a team of trades professionals, coordinates with other teams, and ensures work is completed safely, on time, and to specifications. Requires proven experience supervising electrical teams on large projects and strong understanding of construction sequencing.

Communicate the value of software solutions to enterprise clients. Deliver product presentations and technical demonstrations. Support Proof of Concept processes and conduct technical training. Resolve customer questions and build relationships with clients and partners.

Senior Control Engineering & Modeling Engineer will monitor industry trends, develop technical solutions, and create dynamic system models. Requires a Master's or PhD in a relevant field and experience in control engineering, modeling, and simulation. Experience with MATLAB, Python, and AmeSim is preferred.

Provide first-level customer support to Finnish-speaking customers via phone, email, and chat. Process orders, manage customer accounts, and handle returns, exchanges, and repairs.

Site Reliability Engineer will design, build, and maintain reliable and scalable infrastructure for a global SaaS platform. Collaborate with engineering teams to implement SRE practices in a cloud-native environment. Develop and maintain monitoring, alerting, and automation systems. Participate in on-call rotations and contribute to infrastructure improvements using tools like Terraform, Kubernetes, and Argo CD.

Lead the European organization, driving business performance and sustainable growth across nine countries. Translate global strategies into regional actions and share P&L responsibility for the region.

Senior Kinaxis Consultant required to support a complex end customer project in the hi-tech/advanced manufacturing space. The successful consultant will work with French-speaking business stakeholders to understand Kinaxis pain points and identify solutions to improve value from the platform. Strong Kinaxis experience, fluent French and English communication skills, and business-facing consulting experience are required.

UPS Engineer (m/f/d) needed for Infrastructure Business Area Project Office. Collaborate with stakeholders to define system requirements, perform site surveys, and develop UPS system configurations. Integrate UPS systems with other power infrastructure, provide technical consultation, and act as a subject matter expert. Minimum 5 years of experience in UPS system design, integration, and maintenance required. Bachelor's degree in electrical engineering, systems engineering, or a related field.

Coordinate a team of embedded software developers in the creation of product software for a lithography system component. Lead requirements gathering, prioritize backlogs, and break down requirements into development tasks. Drive the introduction of the embedded software product and support the team in incident analysis.

As an Outbound Account Executive, you will own the full sales cycle for established small merchants (upmarket SMBs) with monthly transaction volumes above €15,000. You will proactively reach out to prospects via cold calls, emails, and social channels, manage your sales territory, and build a strong sales pipeline. You will lead discovery meetings, position payment and POS solutions, and collaborate with internal teams.

As a Test Engineer, you will ensure the reliability and performance of smart charging solutions by validating end-to-end system behavior. You will own the full testing lifecycle, from understanding requirements and designing test strategies to executing validation activities and resolving issues.

Support value stream mapping and AI-supported process optimization projects. Gain insights into production operations and contribute to improving efficiency.