Royal Terberg Group

Royal Terberg Group

About the Role Join Royal Terberg Group as a Senior Financial Systems Developer and lead our dedicated OneStream Development Team in IJsselstein, Utrecht. This strategic position offers the opportunity to drive digital transformation across our international operations while working with cutting-edge Corporate Performance Management technology. You'll be instrumental in establishing and growing a multidisciplinary team that supports all divisions through enhanced financial systems and reporting capabilities. As part of our ongoing commitment to innovation and sustainable growth, this role represents a unique opportunity to shape the future of financial systems at a leading international family business with a rich heritage and ambitious expansion plans. Key Responsibilities Technical Leadership & Development Lead the technical design, development, and maintenance of comprehensive OneStream solutions, including complex business rules, advanced calculations, interactive dashboards, and seamless system integrations Translate diverse business requirements from Product Owners and key stakeholders into robust, scalable technical solutions within the OneStream platform Architect and implement data models that support complex financial consolidation and reporting requirements Ensure optimal system performance through proactive monitoring, tuning, and optimization initiatives Develop and maintain comprehensive technical documentation and system specifications Team Management & Mentorship Manage and mentor a Financial Systems Developer, providing guidance on technical skills, professional development, and best practices Foster a collaborative environment that encourages knowledge sharing and continuous learning Conduct regular performance reviews and support career development planning Establish coding standards and review processes to maintain high-quality deliverables Agile Development & Project Management Collaborate closely with Product Owners, key users, and external support teams to deliver enhancements following Agile principles using Kanban and quarterly development cycles Maintain transparent project backlogs and prioritization frameworks to support continuous delivery and rapid response to evolving business needs Support quarterly release cycles while ensuring solutions align with financial reporting schedules and regulatory compliance requirements Participate in sprint planning, daily standups, and retrospective meetings System Optimization & Innovation Proactively identify opportunities for system automation, process improvement, and enhanced user experience Troubleshoot and resolve complex technical issues while maintaining system reliability and data integrity Stay current with OneStream platform updates, new features, and industry best practices Research and recommend emerging technologies and methodologies to enhance financial reporting capabilities Requirements Professional Experience Minimum 5-7 years of relevant work experience in an international business environment Deep hands-on expertise with OneStream platform, including business rules, calculations, workflows, and security configurations Strong background in translating user requirements into tangible, user-friendly technical solutions Experience with data modeling concepts and implementation best practices Technical Skills Advanced proficiency in OneStream development and administration Experience with Power BI, particularly data modeling capabilities, is highly valued Strong understanding of database concepts and SQL query optimization Familiarity with integration technologies and API development Knowledge of financial data validation and reconciliation processes Financial Systems Expertise Extensive experience in financial reporting setup and configuration Strong foundation in finance with evolution into system implementation and optimization roles Comprehensive understanding of group consolidation processes and financial reporting requirements Knowledge of regulatory compliance frameworks and audit requirements Experience with financial close processes and period-end reporting cycles Leadership & Soft Skills Proven experience in managing or mentoring junior team members Familiarity with Agile methodologies, particularly Kanban and Scrum frameworks Excellent stakeholder management skills with ability to communicate effectively at all organizational levels Strong analytical thinking combined with practical, results-oriented approach Exceptional problem-solving abilities and attention to detail Language Requirements Excellent command of English (written and verbal communication) Dutch language skills are considered an advantage What We Offer Career Impact & Growth Key role in the digital transformation and international expansion of an established, entrepreneurial family business Direct influence on business-critical systems that drive organizational success Opportunity to build and lead a specialized team in a growing technology domain Exposure to diverse international markets and business operations Work Environment Collaborative work within a compact, entrepreneurial team with direct access to senior leadership Significant autonomy and room for initiative in role execution and team development Supportive environment that encourages professional development and continuous learning Access to latest technologies and industry-leading platforms Compensation & Benefits Competitive compensation package commensurate with role seniority and experience level Comprehensive