Senior OneStream Developer (m/f/d)

As a first-tier supplier to our renowned business partner F. Hoffmann-La Roche Ltd. in Kaiseraugst, we are currently looking for a motivated and dedicated Senior OneStream Developer for a temporary assignment until 30.08.2027, with high probability of extension.
The company is seeking a highly skilled and experienced OneStream developer with a proven track record of successful OneStream project implementations, exhibiting strong problem-solving abilities, and a passion for delivering high-quality software solutions.

The role requires a bachelor's degree in a relevant field and strong expertise in OneStream, including over five years of implementation and development experience. It involves hands-on work with system configuration, business rules (C#), data transformations, reporting, workflows, and financial consolidation processes. Candidates should possess solid technical skills in VB.NET or C#, SQL, and modern integration methods, along with the ability to create technical documentation and support testing. Strong communication, problem-solving, and teamwork skills are essential, along with the ability to work in fast-paced, project-driven environments and support knowledge transfer within the organization.

Tasks & Responsibilities

• Design and Development: Contribute to the design, development, testing, and deployment of the OneStream solution for finance consolidation, Tax (CbCR & Pillar-two) and ESG, including enhancements, customizations, and integrations.
• System Implementation: Participate in the full lifecycle of the OneStream project, from design to go-live and post-implementation support.
• Technical Leadership: Provide technical support and guidance to co-workers, ensuring adherence to best practices and coding standards and fostering a culture of continuous learning and growth. Advocate for and ensure adherence to OneStream coding standards, best practices, and performance optimization.
• Collaboration: Work closely with functional teams, project managers, and other stakeholders to understand business needs and translate them into technical solutions.
• Documentation: Develop and maintain technical documentation, including design specifications, test plans, and user manuals.
• Support and Maintenance: Provide ongoing support and maintenance for OneStream, including troubleshooting and issue resolution.

Must-Haves

• Bachelor's degree in Computer Science, Systems Engineering, Information Systems, or a related field.
• Deep technical expertise in OneStream, with 5+ years of OneStream implementation and development experience (OneStream certification preferred).
• Hands-on configuration and development experience in building and managing dimensions, hierarchies, and member properties.
• Experience developing complex Business Rules (C#) for calculations, validations, and data transformations.
• Expertise in designing and building Cube Views, Dashboards, Reports, workflows, user roles/permissions, and securities.
• Experience developing data transformation rules (ETL) to map source data to the OneStream data model.
• In-depth understanding of financial consolidation topics and month-end close processes.
• Business-focused, results-oriented approach with excellent coordination and exceptional problem-solving skills.
• Team-oriented and hands-on working style with the ability to multi-task independently.
• Ability to work effectively in a project-oriented, fast-paced, deadline-driven environment.
• Business fluent English language skills (written and spoken).
• Advanced proficiency in VB.NET or C# and SQL.

Benefits

• Become part of one of the most prestigious pharmaceutical companies and actively shape the future of healthcare.
• Experience a work culture that promotes diversity and inclusion and where all employees feel valued.
• Work on a state-of-the-art campus featuring green spaces, meeting areas, and an inspiring atmosphere.
• Work with modern and up-to-date tools in an innovative work environment.
• Start with a professional onboarding process and a thorough introduction to your new role during the Welcome Days.
• Benefit from financial support for your professional development plans.
• Enjoy a selection of high-quality meals in modern staff restaurants.
• As part of a sustainable mobility concept, on-site parking spaces are available to you (subject to eligibility criteria).
• Take advantage of unbeatable, year-round discounts at renowned retailers and over 200 top brands.
• Benefit from fleet discounts when purchasing new cars or receive constant fuel discounts with our fuel card.

Are you interested? Do not hesitate and submit your complete application documents online today. We look forward to hearing from you!

Wir wertschätzen Vielfalt und begrüssen daher alle Bewerbungen - unabhängig von Geschlecht, sozialer Herkunft, Religion, Alter und Identität. Zur leichteren Lesbarkeit und besseren Verständlichkeit verwenden wir nur eine Gender-Form. Selbstverständlich sind im jeweiligen Kontext alle Genderformen gleichermassen gemeint.

Kontakt
Kristof Wildmann

Arbeitsort
Kaiseraugst

Pensum
80 - 100%

Position
Mitarbeiter

Branche
IT