Technical Product Manager

About the role

You will be part of a cross-functional product team that works primarily on technical initiatives, such as code and platform modernization, to enable various product initiatives and improve reliability, scalability, observability and team velocity. This role is ideal for someone who loves product and enjoys going deep on system design trade-offs, code modernization, APIs, and platform constraints, without losing sight of the user and business outcomes.

What you'll do

• Develop a thorough understanding of what drives growth, retention, and monetization at Tandem.
• Own technical product work that spans multiple systems, e.g. client/server, APIs, data pipelines, experimentation, payments/subscriptions, trust & safety tooling, etc.
• Define and maintain a code and platform modernization roadmap with clear prioritization.
• Align backend, Kotlin Multiplatform (KMP), and client teams on architecture and design principles that keep modernization consistent and future-proof.
• Partner closely with engineers to evaluate architecture options, manage technical trade-offs, conduct architecture spikes, and ensure that solutions are scalable, secure, and maintainable.
• Act as the product counterpart for technical initiatives by clarifying goals, defining success metrics, shaping scopes, creating artifacts like PRDs and migration plans, and coordinating sequencing across teams.
• Make the business case visible by translating modernization into concrete outcomes.
• Champion the adoption of AI tools and workflows across the product organization to accelerate discovery, analysis, documentation, and decision-making.

What you'll need

• 3+ years of PM experience as a Technical PM, Platform PM, Data/ML PM, or generally as a PM with substantial technical depth and ownership.
• Proven track record of delivering measurable product outcomes.
• Communicative team player with excellent command of written and spoken English.
• Comfortable going deep technically on topics such as architecture trade-offs, APIs, client-server boundaries, event schemas, migrations, and performance and reliability considerations.
• Thrive in ambiguity and love solving complex problems with real constraints.
• Bachelor's degree in computer science or engineering, or equivalent practical experience.

Nice to have

• Advanced degree in computer science or engineering.
• Experience with high-scale B2C mobile apps.
• Shipped significant refactors or migrations in brownfield systems.
• Experience with trust & safety products, such as abuse prevention or moderation systems.
• Worked on ML- and GenAI-driven product features such as recommender systems, ranking, search, fraud detection, or personalization.

What they offer

• German classes or language learning support
• Up to 6 "Deep Dive Days" per year for professional development
• Urban Sports Club gym membership or public transport contribution
• Regular team events and bonding activities
• Flexible working hours and hybrid work (Berlin-Mitte office)
• Relocation assistance to Berlin