Lead AI Engineer

Do you want to be part of a company that’s transforming healthcare?

Lyfegen helps bridge the gap to faster, smarter access with pricing, access, and rebate management solutions. Our platform is used by health insurers, governments, hospital payers, and pharmaceutical companies worldwide to simplify the complexities of drug pricing agreements, optimize rebates, and drive better value.

As a global leader in drug access and rebate management, Lyfegen is expanding its reach and impact. As we continue to scale, we’re looking for passionate professionals to join us and help shape the future of healthcare.

We’re looking for a Lead AI Engineer to play a key role in shaping our solutions. In this role, you will be leading and driving AI initiatives, optimizing simulations to support drug pricing negotiations, and improving our LLM-based product to facilitate learning about drug reimbursements. This position offers an exciting opportunity to join a dynamic team at the forefront of innovation in healthcare technology — all to align business goals with technical capabilities.

At Lyfegen, we’re tackling challenges no one has solved before. That’s why we are looking for problem solvers with a proactive mindset—people who thrive on turning complexity into opportunity.

Join us and help bridge the gap to faster and smarter access to medicines for patients.

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Your main responsibilities:  

• Own the architecture and technical roadmap for AI systems (RAG, agents, tool orchestration).

• Lead and mentor a small team of engineers, and work closely with product, backend, and platform teams to ship reliable, secure, and measurable AI features

• Ensure AI systems are observable, debuggable and cost-efficient.

• Optimize latency, throughput, and token usage

• Orchestrate and compose AI-supported toolchains. Use your knowledge of existing components, models and libraries such as LangChain and GPT to create AI toolchains to support diverse user tasks on the Lyfegen Platform.

• Support Lyfegen internal users with machine learning tooling. Provide ML tools and automations to streamline and enhance our internal workflows and processes.

• Work with our internal Product Owners to translate company vision into technical specs and collaborate with engineers to solve challenges.

• Experience designing LLM evaluation pipelines.
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Who you are:

• 6+ years of software engineering experience, with 2+ years building LLM-based systems.

• Deep understanding of:

• RAG architectures and retrieval strategies

• Prompt engineering and structured outputs

• Tool / function calling and agent workflows

• Experience in multiple large language models (LLMs) specifically for Q&A and chat.

• Experience in benchmarking and optimizing toolchains.

• Proficiency in AI-relevant programming languages such as Python. Familiarity with frameworks and libraries such LangChain, LangGraph.

• Backend development experience with frameworks like FastAPI, Django, or Flask  

• Familiarity with cloud platforms (AWS, Azure) and containerization (Docker, Kubernetes)

• Experience with databases, API design, and microservices architecture

• Understanding of MLOps practices, model versioning, and CI/CD for ML systems

What we offer:

• Join a company that improves access to healthcare for patients.

• Direct influence on the growth and success of Lyfegen.

• The possibility to work flexibly.

• Become part of a team of international high performers.

• Opportunities for professional development and career advancement.

• Experience an attractive and competitive compensation package aligned with the dynamic nature of a scale-up start-up. 

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Job Facts

Location: Remote (Europe)

Schedule: 100%

Start date: As soon as possible

Duration: Unlimited

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