Senior GenAI Architect & Production AI Leader

Astek (Poland); Polska; Hybrid; PLN 30,000 - 37,000; Full time

Benefits offered by this job

Employee benefits package (Multisport)

Private healthcare

Life insurance

Job summary

Astek is hiring a Principal Data Scientist z GenAI for a Life Science client. You will lead production-grade GenAI, RAG, and agentic AI solutions across two engineering teams, guiding architecture and delivery with a focus on reliability, scalability, and security.

You will apply advanced statistics, probabilistic modeling, and Bayesian methods while shaping the technical strategy. A strong background in Python, MLOps, and cloud deployments (AWS/Azure/GCP) is essential.

Qualifications

• 8+ years of hands-on data science, ML or AI engineering experience.
• Strong knowledge of advanced statistics and probability.
• Experience deploying production GenAI solutions with LLMs and RAG pipelines.

Responsibilities

• Lead the technical architecture and development of production-grade GenAI and Agentic AI solutions.
• Provide hands-on technical leadership across two AI engineering teams.
• Design and optimize agentic workflows and multi-model architectures.

Skills

Data science

GenAI engineering

Python

MLOps

Cloud platforms

Education

PhD or advanced degree in Mathematics or Statistics or CS or ML

Tools

LangGraph

LangChain

LlamaIndex

Job description

Astek

Founded in France in 1988, Astek is a global player in engineering and technology consulting, present on five continents. With its expertise in many industrial and tertiary sectors, it supports its international clients in the intelligent deployment of their products and services, and in the implementation of their digital transformation.

Since its creation, the Group has based its development on a strong culture of entrepreneurship and innovation, and on the support and skills development of its 10 000 employees who are committed every day to promoting combination of digital technologies and complex systems engineering.

Join a Group rapidly developing in France and around the world, with a turnover of 730M€ in 2025.

More on the Group on our website https://astek.net.

Position

We are currently looking for a candidate for the position of Principal Data Scientist z GenAI for our client from the Life Science industry.

Additional information

CZĘŚĆ NIEOBOWIĄZKOWA – możesz tutaj umieścić dodatkowe informacje nt projektu/klienta, branży, modelu pracy (hybryda, zdalnie), wymiaru FTE, itd., ale też o samej pracy, np. dla FullStack Deva o podziale pracy pomiędzy backend i frontend]

Offered salary

Salary: from 160 to 200 PLN net/day, depending on experience and competences.

You’re ideal for this role if you:

• Have 8+ years of hands-on experience in Data Science, Machine Learning, or AI Engineering, with strong expertise in advanced statistics and probability.
• Can confidently discuss Bayesian inference, uncertainty quantification, model calibration, causal reasoning, and evaluation methodologies with PhD-level experts.
• Have designed and deployed production-grade GenAI solutions, including LLMs, RAG pipelines, and agentic AI systems.
• Have hands-on experience architecting complex agentic workflows, including multi-agent orchestration, tool integration, and multi-model architectures.
• Know how to evaluate, monitor, and optimize AI systems for quality, reliability, scalability, latency, and cost.
• Have strong Python skills and practical experience with MLOps, cloud platforms (AWS, Azure, or GCP), and production AI deployments.
• Can lead multiple AI engineering teams, make complex architectural decisions, and remain actively involved in technical problem-solving.
• Understand enterprise AI security, data confidentiality, and responsible AI governance, ideally within a regulated industry such as pharmaceuticals or healthcare.
• Can bridge advanced mathematical thinking, practical AI engineering, and business needs.

Nice to have:

• PhD or advanced degree in Mathematics, Statistics, Computer Science, Machine Learning, or a related quantitative field.
• Hands-on experience with agentic AI frameworks such as LangGraph, LangChain, or LlamaIndex.
• Experience with AWS services, particularly Bedrock, AgentCore, SageMaker, and Lambda.
• Experience designing and scaling multi-agent AI systems in enterprise environments.
• Knowledge of advanced RAG techniques, including hybrid search, semantic retrieval, reranking, and retrieval evaluation.
• Experience with LLM evaluation frameworks, observability tools, and automated quality testing.
• Familiarity with multi-model routing, LLM cost optimization, and high-concurrency AI architectures.
• Experience with event-driven architectures, CI/CD pipelines, and Infrastructure as Code.
• Previous experience in pharmaceutical, healthcare, or other highly regulated industries.
• Familiarity with enterprise AI governance, data privacy, and regulatory compliance requirements.
• Experience leading geographically distributed AI/ML engineering teams.

Your day-to-day responsibilities include:

• Leading the technical architecture, design, and development of production-grade GenAI, RAG, and Agentic AI solutions.
• Providing hands-on technical leadership across two AI engineering teams, guiding architectural decisions, solving complex technical challenges, and ensuring engineering best practices.
• Designing and optimizing agentic AI workflows, including multi-agent orchestration, tool integration, and multi-model architectures.
• Developing and improving RAG pipelines to ensure high retrieval accuracy, reliability, scalability, and cost efficiency.
• Applying advanced statistical and Machine Learning methodologies to evaluate model performance, uncertainty, calibration, and reliability.
• Collaborating with senior Data Scientists and quantitative experts to challenge analytical assumptions, validate methodologies, and ensure scientific rigor.
• Establishing robust GenAI evaluation and observability frameworks, including hallucination detection, automated testing, tracing, and performance monitoring.
• Overseeing the deployment, monitoring, and continuous improvement of AI models and agents in production environments.
• Ensuring AI solutions comply with enterprise architecture standards, data confidentiality requirements, security policies, and responsible AI governance.
• Working closely with AI Engineers, Data Scientists, Architects, and business stakeholders to translate complex business requirements into scalable technical solutions.
• Mentoring engineers, reviewing technical designs, and driving engineering standards across geographically distributed teams.
• Identifying opportunities to improve AI system performance, reliability, scalability, and operational efficiency.

Our recruitment process

Call with our Recruiter -> Call with our Business Manager -> Meeting with Client

If necessary, after call with the Recruiter, we also invite you to an additional technical verification stage.

Need more information? Contact me: [e-mail]

Please be informed that we will contact only selected candidates, based on the relevant experience mentioned in the CV.

What we offer

• Long-term collaboration
• Technical training, certifications, and skills development
• Competence Center mentoring – being a member of the Competence Center community from day one is an opportunity to develop your skills, participate in various conferences, and share knowledge and experience with people who face the same challenges every day
• Clear career path
• Employee benefits package (Multisport, private healthcare, life insurance)
• Friendly working atmosphere, team-building events, and team-building meetings

Referral system

It’s not about you? Recommend us your friend and get a bonus up to 7,000 PLN

Link: https://astek.pl/system-rekomendacji/

Information clause

The controller of the personal data is ASTEK Polska sp. z o.o. with its registered office in Warsaw, Al. Jana Pawła II 22, 00-133 Warszawa, Poland. You have the right to access your data, the right to request deletion of data, etc. Detailed information regarding processing can be found HERE: https://astek.pl/polityka-prywatnosci

You have the right to withdraw your consent at any time. If you withdraw your consent, please contact us by e-mail at [e-mail] or in writing to the administrator’s address.

Procedure for reporting by whistleblowers at ASTEK Polska sp. z o. o. [Link]

Ref number

AO245483