freelance English-speaking jobs in Aarau

Senior Data Engineer to build and maintain a modern Data Platform for Analytics & AI. Requires 5+ years in Data Engineering, ETL/ELT, and Data Warehousing, with expertise in Python/Scala, SQL, Databricks, and cloud platforms like Azure.

Develop and enhance Front Arena components, interfaces, and tools. Capture requirements, implement, and test solutions in an agile SAFe environment. Provide support and tune performance for Front Arena and databases. Requires proficiency in Python, AEL, and ACM.

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.

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.

Chef de Partie to assist the Private Chef in delivering exceptional dining experiences at a luxury chalet. Responsibilities include preparing meals, managing kitchen sections, and adapting dishes to guest preferences while maintaining high standards.

Develop and design technical infrastructure solutions for data center, utilities, and industrial segments in the D-A-CH region. Analyze complex requirements to create energy-efficient solution concepts. Requires Electrical Engineering degree and fluency in French and English.

Senior Service Architect to drive the architecture and evolution of B2B connectivity and network security services. Requires experience in telecom/ISP environments with strong knowledge of IP/MPLS, BGP, and network security.

Senior Consultant SAP S/4HANA Finance works on FI/CO projects, designing and implementing solutions. Requires 5+ years of SAP FI/CO experience, strong S/4HANA knowledge, and excellent communication skills.

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.

Business Solution Architect for a Finance Transformation programme. Define solution architecture and integration strategy across SAP, Anaplan, and Databricks. Requires experience in Finance processes and Solution Architecture.

Experienced Team Assistant needed for a 50% short-term assignment at an international non-profit. Responsibilities include office coordination, administrative support, and managing logistics. Requires 5+ years' experience and fluency in English and French.

Studio & Community Manager leads a Zurich studio, creating exceptional client experiences and building local community. Requires business/hospitality experience, people leadership, and commercial mindset.

Lead complex visual production projects, overseeing planning and execution across internal teams and external partners. Manage international photo, video, and CGI productions while optimizing content production workflows.

Sales Trainee role focusing on new customer acquisition for premium (e-)bikes. Requires fluency in French and Italian, good English, and a genuine interest in sales. Hands-on experience from day one.

Telesales Executive manages a portfolio of 500 SME companies, developing activity and retaining new customers. Requires fluent French and English, strong communication, and a consultant approach.

Seeking a Receptionist/Office Management Assistant/Manager for a boutique trust and corporate services provider. Responsibilities include managing calls, scheduling, office maintenance, and serving as the main point of contact. Strong English and Microsoft skills are required.

Manages bioassay projects, including development and validation for biologics release and stability testing under GMP. Responsibilities cover cell-based and immunological assays, method development, and client communication. Requires strong English and German skills.

Innovation Scientist (Postdoc, Chemist) for Solid-State Development. Contribute to research, experimental investigations, and publications in pharmaceutical solid-state development. Requires a PhD and hands-on experience with solid-state characterization techniques.

Generalist Expert needed for AI and data-focused projects. Responsibilities include analyzing, reviewing, and annotating data, and evaluating AI-generated content. Requires strong analytical skills, high attention to detail, and excellent English communication.

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.