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Senior Data Scientist BN_28/10/2026

Margo Group

WarsawPosted yesterdayDirect from company

  • LocationWarsaw
  • Work typeHybrid
  • EmploymentContract
  • Posted28 October 2026
  • SourceMargo Group's careers page (Lever)
  • Last checked1 h ago on Margo Group's careers page
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About the role

C ontext:

A team responsible for the development and industrialization of applications for the Investment Banking division. Accelerating the integration of generative AI solutions and AI agents into business processes. A strategic environment within the platform, with high-impact use cases in document analysis, credit, and finance.

Expectations:

- Strong Python with extensive experience in Object-Oriented Programming  and enterprise software design patterns .

- Proven track record building asynchronous microservices and endpoints using FastAPI .

- Hands-on practice in pytest (unit, functional, and integration testing for ML/LLM pipelines).

- Bash scripts for automation, data handling, and container interaction.

- LLMs Architecture understanding proven by project portfolio.

- Architecting multi-step, stateful agentic graphs using LangGraph or Google ADK .

- Hands-on experience optimizing LLM pipelines programmatically using DSPy .

- Practical knowledge of deploying and running high-throughput open-weight models on GPU infrastructure using runtimes such as vLLM (experience with CUDA and fine-tuning is a strong plus).

- Hands-on familiarity with automated build, test, and release pipelines ( Jenkins) .

- Experience setting up tracing, drift detection, and automated evaluations for generative workflows using tools like Phoenix Arize .

- Dedication to shipping stable, secure code into flagship banking infrastructure where compliance, auditability, and data security are non-negotiable.

- General Stack: Google ADK, LangGraph, DSPy, vLLM, FastAPI, Python, Pytest. Arize Phoenix. Kubernetes, Jenkins, GPUs.

Responsibilities:

- Design and develop LLM-based agentic solutions to automate complex business processes.

- Work closely with business teams to identify needs and drive the adoption of AI solutions.

- Develop data extraction pipelines and implement evaluation and observability frameworks for AI agents.

- Deploy and industrialize models (LLMs, GPUs), ensuring quality through testing and DevOps best practices

- You are taking full ownership in driving AI features.

- You remember to respect the boundaries and non-deterministic nature of LLMs, communicate constraints clearly, and build robust safety rails.

- You are a team player, communicate technical trade-offs cleanly with architects and business users, and enjoy mentoring peers.

- You are testing ideas and PoCs quickly, validate feasibility with data and avoid technical debt.

Career Prospects:

- Build expertise in Agentic AI architectures and the industrialization of LLMs in production. Work on high-visibility projects within the Investment Banking division.

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