react English-speaking jobs in Winterthur

LeoVest Partners AG seeks Senior Relationship Managers to serve HNW and UHNW clients. The firm provides tailored wealth management services using active and passive investment approaches.

Design Engineer (Konstrukteur EFZ) in the cable industry. Provide technical expertise for high-voltage and special cable systems, supporting design, testing, and optimization. Requires technical education and experience in cable technology.

Senior SAP SuccessFactors Consultant needed for an ongoing program. Support daily operations, rollout of Performance & Goals and Succession Management, and Compensation implementation. Requires 5+ years of SAP SuccessFactors project experience.

Paralegal needed for Private Equity Investment Structuring. Responsibilities include incorporating investment vehicles in various jurisdictions, coordinating service agreements, and updating legal documentation for compliance. Requires paralegal education or 2+ years of relevant experience.

Senior Project Manager Automation SME for Downstream Processing within a major CAPEX program. Lead automation workstream for manufacturing processes, translating requirements into control strategies and integrating systems. Requires 8-10 years in pharma/biotech automation.

Frontend Developer needed for a banking client. Take ownership of complex, scalable React and TypeScript solutions. Develop production-grade code, manage state, and integrate with back-end systems. Requires strong JavaScript/TypeScript and React experience.

HR Generalist focusing on Swiss HRM and Payroll. Manage employee lifecycle, payroll, social insurance, and HR controlling. Requires Swiss HR qualification, Italian, and English proficiency.

Senior Backend Engineer needed to drive evolution of the core financial platform using Java and SpringBoot. Responsibilities include designing, building, and testing backend services for payments and invoicing. Experience with distributed systems is key.

Lead international market expansion and strategic partnerships for a global energy company. Drive complex commercial transactions, develop market-entry strategies, and build high-value opportunities across diverse markets.

Facilities Supervisor manages integrated facility services, ensuring high customer satisfaction across cleaning, maintenance, and security. Requires 3+ years of experience, customer service background, and a Bachelor's degree or FM certification.

Executive Director leading Medical Affairs and Evidence Generation for ARGX-121. This role provides strategic medical insights to inform development and commercialization plans for the anti-IgA monoclonal antibody.

Own supply-side and connectivity products, including APIs, extranet, and internal tooling. This technical role requires 3+ years in Product Management with strong technical acumen for B2B, platform, or integration products.

Legal Counsel to provide legal advice to L’Occitane Group business across manufacturing, distribution, IP, and litigation. Requires a Master's in law, 5 years of experience, and fluency in English and French.

Genomics Systems Specialist to own sales for qPCR and ddPCR across Switzerland. Requires Life Sciences degree, lab experience with qPCR, and strong communication skills. Fluent in German and English.

Provide second-line support for business applications, coordinate hardware support, and assist users. Improve service processes through automation and documentation. Requires a Bachelor's or Master's degree in a related field.

Business Development Manager for Middle East & GCC. Responsible for developing Saudi Arabian and GCC markets, acquiring new UHNWIs, and expanding networks. Requires an MBA, GCC network, and fluency in Arabic.

Seeking an Assistant Professor in Virology or Host-Pathogen Interactions to support a Group Leader role. Candidates should demonstrate expertise in virus biology, immunopathology, or novel treatment/vaccination strategies.

Head of Accounting Switzerland owns accounting for the Corporate Holding structure under Swiss Code of Obligations and US GAAP. Responsibilities include statutory accounting, group reporting, budget ownership, and team leadership.

Proactive IT Support Specialist to resolve hardware, software, and network issues across Windows and Mac. Manage incident lifecycles, maintain IT assets, and ensure system functionality in a multi-cultural environment.

Sales Executive focused on new business generation and client acquisition in German-speaking Switzerland and Romandie. Drive net new asset growth across wholesale channels, building relationships with banks and family offices.