Senior / Lead Application Developer (Palantir Foundry) - (a)*
Ringier AG
Zürich-Seefeld
Key information
- Publication date:07 January 2026
- Workload:80 – 100%
- Contract type:Permanent position
- Language:German (Fluent), English (Intermediate)
- Place of work:Dufourstrasse 23, 8008 Zürich-Seefeld
We are looking for a Senior / Lead Application Developer to strengthen our central technology unit and shape the next generation of data- and AI-powered products across our media brands.
You will design and implement applications on Palantir Foundry, working across our Ontology, Workshop, and application layer. You will be hands-on while also driving the internal frameworks, standards, and best practices that guide how applications are built across the company.
This role sits at the intersection of engineering, data, and product, and will collaborate closely with our data engineers, data scientists, local market teams, and product owners.
You will design and implement applications on Palantir Foundry, working across our Ontology, Workshop, and application layer. You will be hands-on while also driving the internal frameworks, standards, and best practices that guide how applications are built across the company.
This role sits at the intersection of engineering, data, and product, and will collaborate closely with our data engineers, data scientists, local market teams, and product owners.
Your tasks
Lead application development on Palantir Foundry
- Design and build applications using Workshop, Ontology, Functions, Automate, and React Apps
- Translate business requirements into robust, scalable real-time logic
- Work across the entire application layer: frontends, APIs, backend components
- Architect end-to-end solutions using Foundry-native patterns and tools
- Collaborate with big data pipeline teams to ensure clean data contracts, stable Ontology objects, and performant interfaces
- Influence cross-team standards on naming, versioning, real-time logic patterns, and application modularity
- Define and evolve our approach to the Foundry application layer
- Introduce patterns for maintainability, performance, testing, and observability
- Mentor engineers and review code / logic to raise the bar across all markets
- Work closely with data scientists to integrate AIP Logic, LLM workflows, RAG components, and evals
- Implement safe and reliable LLM patterns in production systems
- Help shape our Foundry-based AI application architecture
Your profile
Core Skills
- Strong hands-on experience in TypeScript/Node.js + React
- Solid backend engineering skills (API design, API gateways, service orchestration)
- Experience with distributed systems or real-time application logic
- Ability to lead implementation end-to-end: from design ? coding ? deployment
- Understanding of CI/CD, testing strategies, and component modularity
You have experience with Palantir Foundry or a strong willingness to learn it quickly, including:
- Ontology modeling and application layer design
- Workshop applications
- Functions, Automate, and real-time logic patterns
- Collaboration with big-data pipeline teams (Python, Spark)
- Familiarity with LLM application patterns
- Comfortable working with data scientists, prompt engineers, and eval frameworks
- Experience building AI-enabled workflows or user-facing AI features
- Excellent communication and cross-team collaboration
- Strong ownership mindset and ability to drive standards across teams
- Comfortable in a fast-paced, multi-stakeholder environment
- Hands-on, pragmatic, and solution-oriented
We are committed to diversity and believe that it is an opportunity. *Everyone should be able to be themselves. We create a working environment where this is possible.
Artificial intelligence is shaping the future. That is why we are looking for people who want to drive digital innovation forward with us.
We only consider direct applications for this position.
Franziska Wildi
Recruiting Partner
+41 79 524 84 53
About the company
Ringier AG
Zürich-Seefeld
Reviews
2.8
- Management style2.5
- Salary and benefits3.0
- Career opportunities3.5
- Working atmosphere2.5