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Cloud ServicesData & AIExperience DesignFullstack Software DevelopmentProduct Strategy and ValidationTeam AugmentationSee our capabilities
Industries
Automotive & MobilityEducation & TrainingEnergy & UtilitiesFood & LifestyleHealthcare & Life SciencesHospitality & TourismIndustrial & ManufacturingPropTech & InsuranceSupply Chain & Logistics
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AI Engineer
AI Engineer
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Department
Data & AI
Location
Cluj-Napoca
Hybrid
About The Job
Linnify is a global technology partner that helps visionary companies accelerate their digital development initiatives. With expertise in custom software and AI development, we’ve contributed to the creation of over 80 digital products across Europe and North America.
We’re looking for an AI Engineer with a strong focus on Agentic AI and Generative AI to join our growing team. In this role, you’ll work on advanced projects involving multi-agent orchestration, fine-tuning foundation models, building robust RAG systems, and ensuring safe and scalable deployment of AI-powered features.
This is a hybrid position based in Cluj-Napoca, offering the flexibility of remote work combined with the energy of in-person collaboration.
Job Responsibilities
- Design, develop, and maintain agentic AI applications powered by LLMs in production environments
- Build and iterate on single-agent and multi-agent architectures with planning, routing, tool use, and task delegation
- Implement and maintain Retrieval-Augmented Generation (RAG) systems across various data domains
- Fine-tune foundational models for domain-specific tasks and integrate them into real-world workflows
- Establish evaluation pipelines to monitor and improve model outputs using structured testing frameworks
- Develop and manage prompt engineering workflows, including version control, safety layers, and response guardrails
- Build and optimize OCR and data extraction flows for unstructured and semi-structured inputs
- Collaborate cross-functionally with engineers, product teams, and designers to deploy and monitor AI-driven features
Job Qualifications
- Minimum 1 year of experience building agentic applications using large language models
- Minimum 2 years of experience working with foundational models in production environments
- Strong knowledge of prompt engineering, optimization techniques, and version control systems
- Practical experience with LangChain or LangGraph (mandatory); familiarity with other frameworks (OpenAI Agents, CrewAI) is a plus
- Hands-on experience with vector databases (e.g., Pinecone, Weaviate, Qdrant, FAISS) in production
- Proven ability to fine-tune LLMs for specific domains and integrate them into scalable workflows
- Background in OCR or data extraction workflows using PDFs, images, or unstructured documents
- Experience designing and enforcing prompt safety and guard mechanisms in deployed systems
Technical Skills
- Programming: Python (required)
- LLM Tooling: LangChain or LangGraph (required), any other LLM Tooling such as OpenAI Agents, PydanticAI, LLama Index, etc (nice to have)
- Foundation Model Providers: OpenAI, Anthropic, Gemini, Mistral, HuggingFace
- Vector Search Systems: Pinecone, Weaviate, Qdrant, FAISS, or similar tools
- RAG Development: Embedding strategies, document chunking, context management
- Fine-Tuning: Model adaptation pipelines, training and validation for downstream tasks
- Evaluation: Structured testing, regression analysis, benchmark comparison
- Prompt Safety: Guardrails, moderation filters, hallucination prevention workflows
- OCR / Data Extraction: Practical implementation using PDFs, image parsers, custom pipelines
- Curiosity-driven with a passion for building real-world AI applications
- Detail-oriented with a strong focus on performance, safety, and usability
- Strong collaboration skills in cross-functional Agile teams
- Comfortable in a fast-paced environment with shifting priorities
- Excellent written and verbal communication in English
What’s in it for you?
- Impactful work: Shape intelligent systems that are integrated into real-life products
- Hybrid flexibility: Combine focused remote work with collaborative in-office days
- Top-tier tools: MacBook Pro and full access to leading AI tooling and cloud resources
- Continuous learning: Mentorship, resources, and budget for staying ahead in AI
- Supportive culture: Work with people who care deeply about innovation and each other
- Wellness & equity: Private health plan, gym discount, ESOP, and meal vouchers
We’re committed to continuous growth. At Linnify, you’ll benefit from:
- Access to role-specific courses/certifications
- Regular team knowledge-sharing sessions and mentoring opportunities
- Clear visibility into your progress and opportunities for advancement
- Flexible work schedule and remote work days
- Additional loyalty vacation days (up to 28 total vacation days based on experience and time with us)
- Health package via Regina Maria Clinic
- Meal tickets (40 RON/day)
- Discounted gym subscription
- ESOP (Employee Stock Ownership Plan) so that you grow with us
- Excellent specialty coffee at the office, because intelligent systems deserve smart fuel
Linnify is a global technology partner that helps visionary companies accelerate their digital development initiatives. With expertise in custom software and AI development, we’ve launched over 80 digital products across Europe and North America.
Our mission is to deliver exceptional value fast through technology. We collaborate closely with our clients to turn bold ideas into user-centered, scalable digital products.
How To Apply
Ready to build the future with AI? Apply now and be part of something meaningful.
Linnify is an equal opportunity employer. We celebrate diversity and are committed to creating an environment where everyone thrives based on ability, potential, and passion.
Join us, shape the future, and grow alongside some of the brightest minds in Cluj-Napoca.
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Product Strategy and ValidationFullstack Software DevelopmentTeam AugmentationExperience DesignData and AI
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Automotive & MobilityEducation & TrainingHealthcare & Life SciencesIndustrial & ManufacturingPropTech & InsuranceSupply Chain & Logistics
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Agentic AI DevelopmentIntelligent LMSMulti-Agentic AI Systems
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Google Cloud PartnerAustin Venture AssociationAustin Chamber of CommerceAustin Technology CouncilHubspot PartnerTransilvania IT Cluster
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Cluj Napoca, ROAustin, TX, USA
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