Joshua F.
Senior Software Engineer @On
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WORK HISTORY
Senior Software Engineer @On
Berlin, DE
As a Senior Software Specialist at On Holding AG, I have served as a technical and operational lead for the order domain since the team’s formation 2.5 years ago, guiding both architectural direction and team execution within a fast-scaling global organization.In addition to leading distributed systems architecture (NestJS, Node.js, TypeScript, Azure, AWS, Kafka), I have played a central role in building and maturing the team itself. I’ve mentored engineers across diverse technical initiatives, providing architectural guidance, technical domain expertise, design reviews, and hands-on support — particularly for teammates navigating their first English-speaking work environment.Managing a culturally diverse team required establishing clear meeting norms, improving communication clarity, and fostering psychological safety across differing expectations and working styles. I focused on creating structure and consistency while ensuring every engineer could contribute confidently.During a ~1 year period without formal Engineering or Product Management coverage, I stepped in to lead roadmap planning, stakeholder alignment, and delivery coordination — ensuring continuity and momentum.Organizational impact includes- Defining and driving long-term technical vision and roadmap strategy- Leading vendor selection and establishing our initial incident response program- Migrated the transition from REST/RabbitMQ integrations to distributed Kafka streams- Revamping ERP synchronization architecture for improved resilience- Designing a new Level 3 support model, reducing resolution time from weeks to under 24 hours while introducing KPIs and cross-domain visibilityI am motivated by building high-performing, inclusive engineering teams and aligning technical strategy with measurable business outcomes.
EDUCATION
Onslow College
Sciences
Enspiral Dev Academy
Post Graduate Practicum (L8), Software development through the lens of web development
University of Otago
Bachelor of Science (BSc), Genetics
Dive Otago
Diploma, Outdoor Leadership
ABOUT JOSHUA F.
I’m a full-stack TypeScript engineer focused on building product features end-to-end with React and Node. Recently at On I worked on internal platforms supporting global operations, collaborating closely with product and stakeholders to deliver production systems.Before moving into software I studied genetics and worked as a dive instructor, which probably explains why I enjoy problem-solving under pressure and working with teams. What really motivates me now is building products people actually use and improving them through fast iteration.
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