react English-speaking jobs in Braunschweig

Experienced CSA Lead required for a major €300 million, 80MW multi-phase Data Centre project in Hattersheim, Frankfurt. Lead all CSA construction activities, manage subcontractors, and ensure project delivery according to specifications and HSE standards.

Pre-Development Project Manager leads due diligence, entitlements, permitting, and master planning for data center campus developments in Germany. Manages cross-functional teams, identifies risks, and presents to senior stakeholders. Requires 5+ years of commercial real estate development experience, strong permitting knowledge, and fluency in German.

Lead AI Engineer to design, build, and deploy production-grade AI applications and platforms. Develop agentic AI systems, LLMs, and autonomous workflows. Collaborate with founders and technical leadership to shape the company's AI ecosystem. Strong commercial experience building AI solutions and hands-on experience with LLMs and modern AI frameworks required.

Customer Onboarding Specialist will guide German-speaking customers through the adoption of a SaaS platform, ensuring successful property setup and activation. This role involves training, technical configuration, and problem-solving to optimize customer experience and drive bookings.

Senior/Staff Web Analyst to design and implement tracking strategies, architect automated data pipelines, and ensure data integrity across web and app platforms. Expertise in web and mobile app analytics, SQL, JavaScript, and AI-driven automation tools is required.

Senior accounting/banking clerical position requiring 4+ years of bookkeeping, banking, or accounting experience. Analyzes financial data, processes payments, and provides guidance to lower-level clerks. Requires proficiency in accounting software and strong analytical and problem-solving skills. Must have a high command of English.

HR Business Partner will support and develop HR processes, acting as a central point of contact for employees and managers in Germany and Austria. Responsibilities include payroll processing, employee support, personnel file management, and employment law consultation.

Leads the operational and tactical demand planning function, transforming forecasts into inventory, replenishment, and purchasing decisions. Manages inventory levels, monitors stock performance, and mitigates supply chain risks. Collaborates with stakeholders to ensure planning activities align with business objectives.

Senior Client Partner to lead client relationships across Europe, focusing on IT services for the Manufacturing industry. Requires experience in account management, deal pursuit, and client relationship management. Strong communication, negotiation, and problem-solving skills are essential.

Experienced Project Manager needed to lead strategic Quality projects for a global pharmaceutical organization undergoing digital transformation. Focus on defining project scope, governance, and deliverables, supporting system selection, and aligning global stakeholders.

Senior Backend Engineer to scale backend systems, improve platform performance, and contribute to architectural decisions for a high-volume streaming platform.

Senior HCM solution architect for Workday deployments. Leads end-to-end design, partners with executives, and drives design closure. Requires 10+ years of HCM experience, 5+ years in implementation consulting, deep Workday knowledge, and fluency in German and English.

Lead projects and advise organizations on governance, risk, compliance, quality management, and digital transformation in the pharmaceutical and life sciences industries.

Associate, Client Services will connect clients with experts. Responsibilities include understanding client needs, sourcing and onboarding experts, and ensuring an exceptional client experience. Fluency in English and at least one of the following languages is required: German (highly desired), French, or Italian.

Join a small, agile team designing, coding, testing, deploying, and running production systems. Master's degree in Computer Science, Mathematics, or Physics required. Strong coding skills in C/C++, Python, or Java.

The EU Sustainability & Compliance Project Manager will own Anker Innovations' pan-European sustainability and regulatory compliance strategy for Amazon operations. Responsibilities include managing certifications, ensuring compliance with EU Extended Producer Responsibility regulations, and embedding sustainability principles into product launches and supply chain processes.

This part-time SAP Marketing Associate role supports marketing campaigns in Germany and Europe. Responsibilities include creating marketing content, managing social media, supporting lead generation, and researching market opportunities. German language proficiency is required.

Volunteer advisor needed to support the development of an open ESG data platform. Provide guidance on data ingestion pipelines, parsing, transformation, and storage. Advise on data quality, infrastructure, and integration with AI/LLM workflows.

Site Supervisor to oversee day-to-day operations and maintenance of earthing & Lightning Protection projects. Ensures efficient project delivery, quality standards, and positive client relationships. Leads a team of technicians, resolves issues, and promotes a safe work environment.

Provides safe and professional transportation for senior leadership, Shareholders' Committee, and VIP guests. Coordinates complex travel, logistics, and vehicle maintenance.