
LLM Developer
Yo Mobile Games & Computer Services
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇵🇱 Poland
Visit company websiteJob Level
Mid-LevelSenior
Tech Stack
Cloud
About the role
- Designing and implementing personal assistant scenarios powered by LLMs (task planning, scheduling, communication handling, summarization, etc.).
- Developing personalized recommendation systems that adapt to user behavior, preferences, and past interactions.
- Optimizing and fine-tuning LLM workflows (prompt engineering, embeddings, RAG pipelines, vector search).
- Developing and maintaining AI-driven applications and integrations across multiple tools and platforms.
- Working with OpenAI, Anthropic, or similar APIs, and exploring new LLM frameworks (LangChain, Semantic Kernel, CrewAI, etc.).
- Conducting ongoing R&D in AI assistant technologies — personalization, memory retention, adaptive reasoning, and safety.
- Collaborating with product and engineering teams to define, prototype, and evolve intelligent assistant capabilities.
Requirements
- Proven experience working with LLMs (e.g., GPT-4, Claude, Llama, Mistral).
- Deep understanding of LLM architecture, prompt engineering, and context-aware personalization.
- Experience designing behavioral-driven recommendation systems or adaptive AI responses based on user data.
- Strong grasp of vector databases (Pinecone, Weaviate, FAISS) and retrieval-augmented generation (RAG).
- Experience integrating APIs, automations, and user-facing tools in scalable architectures.
- Familiarity with modern development environments, version control, and cloud infrastructure.
- Product-focused mindset with the ability to balance innovation, privacy, and usability.
- Excellent analytical, problem-solving, and communication skills.
Benefits
- Top-notch products disrupting the world of traditional media-services industry;
- Work with brilliant software team with a high level of collaboration and desire to achieve goals;
- Flexible working hours;
- Competitive salary;
- The possibility of personal and professional growth.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
LLMsprompt engineeringembeddingsRAG pipelinesvector searchrecommendation systemscontext-aware personalizationvector databasesAPI integrationcloud infrastructure
Soft skills
analytical skillsproblem-solvingcommunication skillsproduct-focused mindset