frontend developer English-speaking jobs in Mainz

Business Development Manager to scale the Equinix practice across EMEA. Support subsidiaries, drive awareness, and accelerate joint opportunities with Equinix.

Designs, maintains, and evolves ML model benchmarking and validation infrastructure. Validates compiled models across diverse hardware platforms. Collaborates with engineers to diagnose and resolve failures. Builds scalable test pipelines and contributes to test cases and tooling.

The Tactical Buyer provides procurement support for global and local projects, including new product/equipment developments and plant investments. Responsibilities include sourcing materials, negotiating contracts, managing supplier relationships, and coordinating with project managers.

Uber Eats seeks a motivated Account Executive to expand its restaurant network in NRW/Hessen. Responsibilities include executing sales campaigns, negotiating partnerships, onboarding new restaurant partners, and collaborating with cross-functional teams.

Lead a team of security engineers and incident responders. Provide security advice, manage vulnerabilities, and handle security incidents. Draft security policies and processes.

Develops, optimizes, and sustains manufacturing processes for satellite products. Translates designs into production documentation and supports production teams. Applies DFM and DFA principles and collaborates cross-functionally.

Working student supports international development sites in electronic development processes for modern vehicle architectures. Contributes to projects including Battery Management Systems, zone controllers, and control boards. Analyzes, evaluates, and develops hardware architectures, supports tests, and designs circuits. Requires enrollment in Electrical Engineering, Mechatronics, or a related field.

The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.

Design System Designer (m/f/d) will develop and maintain the company's Design System. Responsibilities include creating, evolving, and reviewing components and patterns, documenting design standards, and collaborating with developers. Requires 5+ years of product design experience, a portfolio showcasing Design System work, and proficiency in Figma, Storybook, and Supernova.

Electrician responsible for maintenance, repair, installation, and commissioning of electrical systems. Requires completed vocational training as an electronics technician for industrial engineering and several years of practical experience. Must possess strong problem-solving skills and a safety-oriented work style. Proficiency in German and English is required.

As a Commis de Cuisine at NENI, you will ensure smooth kitchen operations, maintain cleanliness, and contribute to a positive guest experience.

Software engineer to build robust software systems for machine learning solutions on major cloud platforms. Translate client needs into technical solutions and collaborate with cross-functional teams.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.

Assemble food boxes according to specifications, collaborate on production replenishment, and ensure safety standards are met. Experience in warehousing or logistics is advantageous.

Coordinate laboratory activities, train lab members, and support ongoing research projects. Develop and lead an independent research project focused on chromatin organization during meiosis in C. elegans.

Leads illicit trade prevention strategies in Germany, Austria, and Switzerland, safeguarding the company from legal and reputational risks. Manages investigations, builds intelligence packages, and engages with law enforcement and government authorities. Requires fluency in English and German and prior experience in combating illicit activities.

As Prototype Engineer Apparel, you will create physical garment prototypes, collaborating with cross-functional teams from ideation to manufacturing. You will cut, sew, and embellish samples, ensuring feasibility for production.

Leads and develops a finance team, responsible for main and subsidiary accounting, financial statement preparation, and reporting. Requires expertise in HGB, IFRS, tax law, and financial analysis.

DYWIDAG seeks a Civil Engineer / Construction Technician to manage wind tower projects in Northern Germany. Responsibilities include project preparation, scheduling, resource planning, cost monitoring, and customer coordination. The ideal candidate has a civil engineering degree or equivalent, experience in construction, and strong communication skills.

Enable in-house AI solutions by providing concepts, templates, and implementations of AI service infrastructure and tooling. Collaborate with ML Engineers to bring AI solutions to production, supporting their review, monitoring, and maintenance.