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Homeoffice Senior Context LLM Engineer

Frontify · St. Gallen, Switzerland · Remote

  • Senior
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We're all about helping brands turn ideas into impact.

Frontify’s brand platform transforms how teams organize digital assets, collaborate on projects, and create engaging campaigns. Our people empower thousands of marketers and designers — including teams at Uber, Microsoft, Volkswagen, and Telefónica — to build engaging brands.

With headquarters in St. Gallen, Switzerland, and offices in London and New York City, we share a vibrant culture built on creativity, collaboration, inclusion, and joy. And we’re on the lookout for new team members to share our vision. If you’re ready for a brand-new adventure, keep reading!

Your team
Your new team is a group of motivated, collaborative, and innovative Engineers. Working on-site, hybrid, or fully remote, they come together to create and evolve a well-loved product but always keep room for new ideas and approaches. Outside of work, they’re parents, gamers, bookworms, adrenaline junkies, and so much more.

Your mission

Our mission is to evolve Frontify’s platform capabilities and deliver useful everyday tools to our customers. We are innovating and working on creative solutions to help our customers manage their Frontify organizations and resources more efficiently.

You’ll work with our Search & AI team and play a critical role in elevating our team's performance and capabilities. With your deep expertise in backend development, you will handle new challenges independently, from architecture and planning to implementation. You will be in the driver’s seat for various projects and initiatives, mentoring junior team members and driving technical excellence. If you are passionate about innovation, fostering a collaborative environment, and making a significant impact, we invite you to apply and help us deliver outstanding solutions.


Your missionOur mission is to evolve Frontify’s platform capabilities and deliver useful everyday tools to our customers. We are innovating and working on creative solutions to help our customers manage their Frontify organizations and resources more efficiently.You’ll work with our Search & AI team and play a critical role in elevating our team's performance and capabilities. With your deep expertise in backend development, you will handle new challenges independently, from architecture and planning to implementation. You will be in the driver’s seat for various projects and initiatives, mentoring junior team members and driving technical excellence. If you are passionate about innovation, fostering a collaborative environment, and making a significant impact, we invite you to apply and help us deliver outstanding solutions.

Your responsibilities
  • You’ll develop new features within a modular architecture while migrating existing legacy code into it.
  • Design, build, and optimize LLM-powered applications – including human-in-the-loop and fully autonomous systems – ensuring they're scalable, reliable, and context-aware.
  • Integrate and orchestrate LLMs (open-source and commercial) into production workflows using tools like LangChain or custom-built frameworks.
  • Test, validate, and continuously refine system behavior through context engineering, scenario-based stress testing, and iterative improvements to deliver high-quality, consistent, and grounded responses.


    • Your story
  • You can work remotely from anywhere in Switzerland or join us on-site in our St. Gallen office, with the flexibility to choose your best work environment.
  • You're experienced in backend software engineering using TypeScript and PHP8 (or willing to learn), GraphQL, REST, and MySQL.
  • A background in building intelligent human-in-the-loop and fully autonomous applications powered by large language models (LLMs).
  • Expertise in context engineering for optimizing prompt design and LLM interactions.
  • An understanding of how to integrate LLMs into scalable orchestration systems, using tools like LangChain or custom-built solutions.
  • Skilled in testing and validating non-deterministic systems, including iterative prompt/context refinement and scenario-based stress testing.
  • Passion for creating practical, fast, and reliable AI-driven customer experiences that are deeply context-aware.
  • Strong problem-solving skills and ability to work with cross-functional teams in a fast-moving environment.
  • Experimental mindset. 
  • You speak English fluently.


    • Why join us?
    - Thrive with the tools and support to shape your future at Frontify.
    - Be part of a product that connects brands and people with a human touch.
    - Enjoy flexibility, opportunities to grow, and exposure to innovative technologies and ideas.
    - Join a vibrant, social team—whether you love animals, yoga, or travel, we’ve got the Slack channels for you!

    What we offer
    - At least 5 weeks of holiday (PTO)
    - Paid educational and well-being days off
    - Home office setup budget
    - Annual salary review
    - Localized benefits
    - Invite to our summer company meet-up in Switzerland

    Important to us
    At Frontify, we believe in being true to ourselves: We are committed to creating and fostering an inclusive environment of vibrant individuals whose diverse perspectives build our collective future. We aim to provide equal opportunities and nurture a workplace free of harassment and discrimination.

    Next Steps
    Apply: Submit your CV and answer a few questions. We’ll update you on your application.
    Talent Partner: Meet our Talent Team to discuss Frontify, the role, and your background.
    Team Meetings: Connect with your future team, discuss the role, showcase your skills, and explore your potential new journey.
    Join Us: If it’s a match, welcome to Frontify!

    This description outlines the primary duties of the role, which may evolve in response to business needs and company growth. We’re looking for someone comfortable with change and excited to contribute to a dynamic environment. If this sounds like you, come join us and help shape what’s next.

    We may conduct preliminary checks for successful candidates, depending on the role and in line with local laws. We’ll share all relevant details during the interview process.