Fundraise Up

Fundraise Up

Fundraise Up specializes in enhancing online donation processes through AI-driven conversion optimization and integrated payment solutions, enabling organizations to maximize their fundraising potential and improve donor engagement.

Capital Markets
51-250
Founded 2017

Description

  • Develop and deploy ML solutions across business areas using tabular data, uplift models, and recommender systems.
  • Select appropriate ML or LLM approaches, or propose alternative solutions when needed.
  • Build end-to-end ML solutions, including data preparation, model training, API development, and monitoring.
  • Design LLM-powered features such as classifiers, content generation tools, AI assistants, and chatbots.
  • Work across the full LLM lifecycle, including golden datasets, prompt engineering, fine-tuning, and response evaluation.
  • Collaborate with multiple product teams as an internal ML service and center of excellence.
  • Optimize donation amounts, upsell offers, transaction classification, and related product experiences.
  • Operate in a production-focused environment and deliver solutions to deployment.

Requirements

  • 5+ years of ML/DS experience solving real product problems.
  • Strong expertise in ML and mathematical statistics, including classical algorithms such as gradient boosting and modern NLP/LLM approaches.
  • Metrics-driven mindset with the ability to connect ML metrics such as ROC-AUC, F1, and RMSE to business metrics such as CR and LTV.
  • Strong Python skills with a product-oriented approach, clean code, knowledge of design patterns, and solid engineering practices.
  • Advanced SQL skills and the ability to independently build complex datasets in ClickHouse and work with MongoDB.
  • Hands-on experience with experiment tracking tools and understanding of production workflows, including Docker, Git, and CI/CD.
  • Ability to break down problems, choose the right tech stack, or justify a non-ML solution, and deliver to production.
  • Strong English required at B2 level.
  • Experience with RL and LLM-based solutions, including generation, classification, and agents, is preferred.
  • Familiarity with the listed tech stack, including FastAPI, Pydantic, CatBoost, MLflow, Airflow, Grafana, Sentry, pandas, Polars, and Redis, is preferred.

Benefits

  • Private medical insurance for the employee and their family.
  • 20 paid vacation days per year.
  • 15 paid public holidays per year.
  • 5 company-paid sick leave days.
  • English learning courses.
  • Relevant professional education.
  • Gym or swimming pool access.
  • Home office setup assistance, including help purchasing furniture and equipment.
  • Co-working support.
  • Remote working arrangement.
  • Equity options and a long-term focus on sustained contribution.

Interested in this position?

Apply directly on the company website

Apply Now

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