For our client, a renowned pharmaceutical company in Basel, we are looking for a Senior OneStream Developer (m/f/d).

We are looking for an experienced OneStream Developer with strong knowledge in system configuration, financial consolidation, and business rules development (C#). Proficiency in VB.NET or C#, SQL, and modern integration methods, as well as hands-on experience with data transformations, reporting, and workflows are essential.

• Design, develop, test, and deploy OneStream solutions for finance consolidation, Tax (CbCR & Pillar Two), and ESG, including customizations and integrations
• Manage the full project lifecycle from design to go-live and post-implementation support
• Provide technical guidance to colleagues and ensure adherence to best practices and coding standards
• Work closely with functional teams and stakeholders to translate business needs into technical solutions
• Create and maintain technical documentation, including design specifications and test plans
• Provide ongoing support and troubleshooting for OneStream solutions

• Bachelor's degree in Computer Science, Systems Engineering, Information Systems, or related field
• 5+ years of OneStream implementation and development experience (certification preferred)
• Hands-on experience with dimensions, hierarchies, business rules (C#), cube views, dashboards, workflows, and ETL data transformations
• In-depth understanding of financial consolidation and month-end close processes
• Advanced proficiency in VB.NET or C# and SQL
• Familiarity with modern integration methods, APIs, and ETL solutions
• Fluent in English (written and spoken)
• Strong communication, problem-solving, and teamwork skills

Jan Schmitz-Elsen
Team Lead Talent Acquisition
079 425 10 45
jan.schmitz@datalynx.ch 

We look forward to receiving your online application along with your resume!