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Newxel

Machine Learning / AI Engineer (NXJ-37)

Newxel, Poland, New York, United States

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We are seeking a

Machine Learning Engineer

to join a fast-growing InsurTech company that’s revolutionizing the life insurance industry through AI and predictive modeling. In this role, you’ll take full ownership of the end-to-end AI feature development cycle — from research and design to deployment in production. You’ll lead key technical initiatives, build scalable ML pipelines, and collaborate closely with data scientists and product teams to transform complex data into measurable business impact. This position offers a high level of autonomy, technical influence, and direct contribution to shaping next-generation AI products. This role is not for the passive – we need someone who owns problems, drives solutions, and isn’t afraid to challenge assumptions. If you’re passionate about leveraging data to transform an industry, we want to hear from you.

Responsibilities

Lead the design, development, and deployment of end-to-end Python-based ML pipelines

Build and optimize models for prediction, segmentation, explainability, and personalization

Develop agentic pipelines and RAG systems using frameworks like LangChain or similar

Apply MLflow, Optuna, XGBoost, and SHAP for experimentation, tuning, and explainability

Collaborate closely with data scientists, software engineers, and product stakeholders

Drive architectural and feature-level decisions with measurable product impact

Requirements

3+ years of hands-on experience in developing and deploying ML pipelines in Python

Proven ability to lead ML feature development from concept to production

Strong understanding of ML methods: feature selection, boosting, ensembling, explainable AI (XAI)

Experience with scikit-learn, pandas, numpy, xgboost, Optuna (or similar), MLflow, SHAP

1+ year of hands-on experience with LLM / GenAI systems: LangChain or similar frameworks, RAG pipelines

Theoretical understanding of transformers and LLM architectures

Experience with AWS cloud, Python IDEs (PyCharm, VSCode)

Comfortable using LLM-based dev tools (Claude Code, Cursor, etc.)

You'll fit great if you

Have experience with LLM evaluation or fine-tuning

Have experience in Insurance or Fintech – understanding industry nuances is a major advantage

Love exploring new ML and GenAI technologies and applying them in production

Think like a builder — from prototype to scalable solution

Enjoy working in a fast-paced environment with high autonomy

What we offer

Competitive salary and benefits package

Medical insurance

Full Remote

Collaborative and innovative work environment

Career growth and development opportunities

A chance to work with a talented and driven team of professionals

About the project Our client is a fast-growing InsurTech company reshaping the life insurance industry through advanced data analytics and predictive modeling. Their platform empowers insurers to make smarter, data-driven decisions — improving risk modeling, customer insights, and business performance at scale. Their R&D team brings together deep expertise in data science, machine learning, and actuarial analysis to deliver practical, actionable insights that help global insurers move from intuition to precision. With a mission to make insurance more transparent, personalized, and insight-driven, they’re redefining how the industry understands and serves its customers.

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