frontend developer English-speaking jobs in Siegen

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.

Ensures successful completion of transactions on a B2B battery marketplace. Drives operational execution between buyers, suppliers, and internal teams. Provides ongoing support and guidance to users throughout transactions. Collects user feedback and insights to improve platform development. Collaborates with sales, product, and analytics teams.

Cloud Engineer needed for operation, monitoring, and development of Azure-based cloud services. Responsibilities include building and optimizing CI/CD pipelines, enhancing cloud architecture, and collaborating with product development and support. Requires knowledge of Azure, CI/CD, container technologies, monitoring tools, and SAP integration scenarios. German (C1+) and English (B2-C1) proficiency required.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences. The successful candidate will conduct quantitative and qualitative research, write academic articles, and contribute to the department's research environment.

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.

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.

Operations Assistant needed for a fast-paced food-tech company. Own daily kitchen operations, logistics, and order flow. Execute under pressure, work with teams, and gradually take on catering and sales responsibilities. Must have a valid EU driver's license (Class B) and fluency in English.

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

Support CEO with finance, operations, travel, PR, and sales activities. Manage day-to-day company operations, including HR, finance, admin, and internal processes. Assist with strategic topics like investor relations, board preparation, and hiring decisions.

Senior R&D Mechanical Engineer with 10+ years of experience in high precision mechanical design, advanced materials engineering, and design for manufacturability. Leads mechanical design of complex components, serves as materials authority, and applies GD&T and precision engineering principles. Drives collaboration with manufacturing, suppliers, and quality teams. Oversees creation of 3D models, drawings, and documentation. Bachelor's or master's degree in mechanical engineering, Materials Engineering, or related field required.

Designs, coordinates, and improves extracurricular learning activities at a coding education institution. Manages programs like soft skill training, technical workshops, and community initiatives. Communicates with students, alumni, and partners to ensure program clarity and engagement.

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.

Privatal seeks a Group CFO for a mid-market private equity fund in the healthcare service sector. The CFO will partner with the CEO to drive a business transformation and build a best-in-class finance function.

The Leibniz Institute for Plasma Science and Technology seeks a Project Engineer to implement and construct a test facility for low-emission hydrogen production. Responsibilities include construction supervision, project management, and participation in the planning and implementation of a plasma-assisted methane decomposition test facility.

Senior Technical Manager (f/m/x) Building Retrofit & Decarbonisation is needed to support fund teams in developing net zero implementation plans and identifying decarbonisation prop tech solutions. The role requires experience in delivering net zero carbon, energy efficiency, or building retrofit programs in the EU and experience with energy or building services modeling packages.

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.

The General Counsel is FSC's senior legal leader, responsible for transforming the Legal & Compliance unit into a globally integrated, business-oriented capability. The role requires strengthening FSC's legal presence across the FSC Group, building internal legal capacity, and reducing reliance on outsourced legal advice. The General Counsel will provide strategic legal and compliance leadership, oversee global legal operations, and transform the legal function through process and systems improvement, team development, and external counsel management.

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.

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

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