react English-speaking jobs in Braunschweig

Lahmeyer International GmbH seeks a Hydropower Planning Expert to lead projects from site selection to preliminary design. Responsibilities include feasibility studies, hydrological analyses, risk assessments, and project documentation.

Machine Design Engineer needed for semiconductor chip manufacturing. Requires expertise in chip design and silicon validation, experience with tape outs, and strong problem-solving skills.

The Sustainability Coordinator will analyze sustainability KPIs, track progress, monitor regulations, and support compliance with certifications like Rainforest Alliance and Fairtrade.

The Research Training Group 2950 SyMoCADS offers 9 doctoral research positions and 1 postdoctoral position in various fields related to microfluidic control (MC). Applicants must hold a Master's degree (for doctoral positions) or a Ph.D. (for the postdoctoral position) in a relevant field. Specific degree requirements vary by project.

Design, develop, and integrate network security components for a dynamic operating system based on NixOS. Leverage Open Source software and contribute to upstream projects.

International SOS seeks a Near Patient Nurse in Stuttgart to provide medical case management for TRICARE patients. Responsibilities include visiting healthcare providers, obtaining medical updates, and liaising with patients. Must be a Registered General Nurse with 3+ years' experience, fluent in German and English, and possess a valid driver's license.

Senior Backend Engineer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with microservice architecture, relational and non-relational databases, and AWS is required.

Investment Banking Associate/Vice President for a leading international mid-market investment bank. Execute M&A transactions, build financial models, and prepare client materials. Associate requires 4-6 years of experience, VP requires 6-9 years. Fluency in German and English is mandatory.

Field Sales Executive (f/m/d) with proven sales achievements in the rail sector is sought to identify, develop, and close opportunities in the DACH region. Responsibilities include maintaining customer relationships, assisting with tenders and quotations, and preparing market analyses.

Supports Fidelity's Institutional Asset Management activities in Germany, working closely with the Head of Insurance and Family Offices and senior sales colleagues. The role includes exposure to different institutional client segments, with a particular focus on insurance companies, family offices and pension funds. Assists in new mandate tenders, client-related initiatives, business reporting, and events.

Leads the lighting design team, develops innovative lighting concepts, and prepares customized lighting calculations and visualizations. Manages project support, technical documentation, and product development. Conducts internal trainings and represents the company at conferences.

Operate and improve the cyber security posture of ControlExpert's on-prem and cloud environments. Responsibilities include incident response, vulnerability management, endpoint security, and operational security engineering.

Provides a warm and professional guest experience, sets up and clears breakfast buffets, prepares simple dishes, and supports the Community Team with front office tasks. Requires hospitality or similar experience, fluency in German and English, and willingness to work early and weekend shifts.

Investigate electronic structure and dynamics in magnetic thin films and heterostructures using spin- and time-resolved photoelectron spectroscopy. Conduct experiments, analyze data, write publications, and supervise students. PhD in Physics required. Experimental expertise in surfaces or magnetic thin films and heterostructures using time-resolved spectroscopy, femtosecond lasers, and ultrafast spin and magnetization dynamics is desired.

Provides administrative support including office asset preparation, payment requests, and supplier communication. Manages fixed assets, company vehicles, and office maintenance. Supports customer visits and exhibition-related tasks.

Gain practical experience and prepare for a master's degree in our PreMaster Program. Contribute to the development of acoustic MEMS sensor technology by supporting test measurements, analyzing failure mechanisms, and improving test methods.

Senior Medical Director to lead global Phase 3 MS study. Define medical strategy, oversee protocol development, and manage regulatory interactions. Requires MD, 3+ years industry experience in MS clinical trials, and expertise in GCP and regulatory requirements.

Account Executive responsible for client retention, growth, and contract expansion. Manages a territory of major client accounts with a quota of $800,000+. Requires 6-10 years of consultative sales experience, strong C-level relationships, and in-depth knowledge of Gartner's products and services.

Senior Software Developer (gn) will design and implement backend and frontend services, modernize legacy systems, and collaborate with teams to deliver features and improve technical processes.

Lead and develop the IT team, defining and implementing IT strategy aligned with company goals. Oversee support across Microsoft 365, Active Directory, networking, VPN, and Windows/Linux server environments. Ensure stable and secure operation of all IT systems and endpoints. Manage IT procurement, assets, and inventory. Regular travel to the UK is mandatory.