Nelia Mandeliuk

Recruiter

Nelia Mandeliuk

Senior AI Engineer




About
We seek a motivated and technically strong Senior AI Engineer who are ready to push the boundaries of what's possible with AI and backend systems

About the project: Intelligent systems that combine cutting-edge AI with robust backend architecture to revolutionize healthcare, redefine work-life balance, transform education, and elevate customer experiences.


What We’re Looking For:

  • 8+ years of backend engineering experience with Django, Kafka, and PostgreSQL

  • 4+ years of hands-on experience building and deploying machine learning systems

  • Proven track record of implementing production RAG systems at scale 

  • Strong experience in product management, including work estimation and roadmap planning

  • Experience building solutions at scale with large enterprise data in healthcare, finance, or banking sectors

  • Demonstrated ability to lead technical initiatives and architectural decisions

  • Experience managing technical product roadmaps and providing accurate work estimations

  • Strong problem-solving skills and ability to work independently on complex projects

  • Strategic thinking ability to balance immediate solutions with long-term scalability

  • Excellent collaboration skills when working with cross-functional teams

  • Excellent written and verbal communication skills in English

  • Driven, self-motivated, adaptable, empathetic, energetic, and detail-oriented

Technical Expertise

  • Expert-level Python development skills with Django experience

  • Deep understanding of distributed systems and message queuing using message broker systems (e.g., Kafka)

  • Advanced PostgreSQL knowledge, including optimization for AI workloads

  • Experience building and optimizing retrieval-augmented generation (RAG) systems

  • Experience architecting and implementing multi-agent AI systems

  • Knowledge of deep learning frameworks (PyTorch or TensorFlow) and NLP, particularly transformer architectures

  • Experience with cloud platforms (AWS preferred) and containerization (Docker, Kubernetes)

  • Experience building solutions using pre-trained LLMs (OpenAI, Claude, Llama, etc.)

  • Strong background in MLOps practices and tools, including platforms like Langfuse or LiteLLM

  • Proficiency in writing clean, well-documented code and troubleshooting complex issues

  • Experience in testing and validating products and communicating results with stakeholders

ML/AI Experience

  • Experience applying graph algorithms to machine learning problems

  • Strong experience with modern NLP techniques and transformer architectures

  • Knowledge of evaluation metrics for NLP system performance

  • Solid foundation in probability theory and statistical inference

  • Experience with statistical modeling and hypothesis testing

  • Understanding of sampling methods and experimental design

LLM Systems Expertise

  • Proven experience designing and implementing scalable LLM-powered systems in production environments

  • Deep understanding of LLM orchestration and optimization techniques for high-throughput applications

  • Experience with prompt engineering, fine-tuning, and context window management for optimal LLM performance

  • Demonstrated expertise in LLM fine-tuning methodologies, including RLHF, PEFT, and LoRA techniques

  • Experience building data collection pipelines for LLM training and fine-tuning

  • Knowledge of efficient usage strategies, cost optimization for LLM API consumption, and performance optimization of large-scale deployments.

  • Experience implementing LLM caching mechanisms and vector store optimizations

  • Expertise in designing fault-tolerant LLM architectures with appropriate fallback mechanisms

  • Understanding of techniques to reduce latency in LLM-powered applications

  • Knowledge of strategies for handling data privacy and security in LLM applications


Your Responsibilities:

  • Lead the design and implementation of production-ready RAG systems that integrate seamlessly with our backend infrastructure using Django, Kafka, PostgreSQL, and Clickhouse

  • Architect multi-agent AI systems that operate effectively within our platform's constraints and understand business value implications.

  • Drive product strategy by providing accurate work estimations and technical roadmaps with minimal supervision.

  • Design and implement sophisticated vector search solutions, including graph-based RAG systems

  • Architect and build highly scalable LLM-powered systems that can handle enterprise-level workloads

  • Lead LLM fine-tuning initiatives to customize models for specific business domains and use cases

  • Design and implement user feedback systems to collect, analyze, and incorporate insights for continuous improvement

  • Optimize LLM performance, cost, and reliability in production environments

  • Establish MLOps best practices using platforms like Langfuse or LiteLLM to ensure robust model monitoring and evaluation

  • Mentor and develop junior engineers in AI/ML best practices

  • Collaborate with cross-functional teams to translate business requirements into technical solutions

  • Lead system architecture decisions and technical direction for AI initiatives

  • Evaluate emerging AI technologies for potential adoption




Your Benefits

  • 18 days of paid annual leave

    18 days of paid annual leave

  • 10 sick leaves

    10 sick leaves

  • Additional days off for special occasions

    Additional days off for special occasions

  • Medical Care

    Medical Care

  • Health check-up

    Health check-up

  • English Class

    English Class

  • Play Room

    Play Room

  • IT Cluster membership

    IT Cluster membership

  • Business Trip

    Business Trip

  • Tech Talks

    Tech Talks

  • Training & Conferences

    Training & Conferences

  • Certification

    Certification

  • Accounting

    Accounting

  • Corporate currency

    Corporate currency

  • Work From Anywhere

    Work From Anywhere

  • 18 days of paid annual leave

    18 days of paid annual leave

  • 10 sick leaves

    10 sick leaves

  • Additional days off for special occasions

    Additional days off for special occasions

  • Medical Care

    Medical Care