Senior Data Scientist

Lemon.io; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Lemon.io is seeking a Senior Data Scientist for remote collaboration with startups across the US and Europe. The role emphasizes delivering end-to-end data science projects, building from scratch, and aligning with client expectations.

You’ll work independently from home, communicate with clients in English, and contribute to scalable data solutions in a fast-paced environment. Ideal candidates bring 4+ years in data science, strong Python and Databricks experience, and familiarity with RAG/LLM.

Qualifications

• 4+ years of commercial experience as a Data Scientist.
• 3+ years of commercial experience with Python.
• 3+ years of commercial experience with Databricks.
• Experience with RAG and LLM is a must.
• Strong technical skills and ability to create projects from scratch with deep understanding of architecture.
• Clear English communication and client-facing talk track.

Skills

Python

Databricks

RAG & LLM

Architecture

English communication

Remote work

Job description

Are you a talented Senior Data Scientist looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.

What we offer:

• The rate depends on your skills and experience. We’ve already paid out over $11M to our engineers.
• No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
• We’ll manually find the best project for you according to your skills and preferences.
• Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
• We respect your seniority so you can expect no micromanagement or screen trackers.
• Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.

Requirements — Data Scientist:

• 4+ years of commercial experience as a Data Scientist
• 3+ years of commercial experience with Python is a must
• 3+ years of commercial experience with Databricks
• Experience with RAG and LLM is a must
• Strong technical skills: as a Senior Data Scientist, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
• Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
• Strong self-organizational skills — ability to work full-time remotely with no supervision.
• Reliability — we want to trust you and expect that you won’t let us and the client down.
• Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.

NOT YOUR TECH STACK?

We’re placing Senior Developers (4+ yrs commercial experience) across AI Agent Architecture, AI Automation Architecture, AI Engineering, Site Reliability Engineering, Platform Engineering, React & Python, React & Golang, Golang, React & Java, React & Ruby, Ruby, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, iOS & Swift, Flutter & Firebase, Solutions Engineer, Blockchain (Ethereum/Ethers.js/Wagmi/Viem/Solana), Angular & Node.js, Vue & .NET, Python & Vue, DevOps, MLOps, Angular & PHP, Angular & .NET, Symfony & React, Symfony & Vue, Symfony & Angular, Python, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, Project Management, Product Management, QA Automation, QA Manual, Embedded Software Engineering, React Native & Node, React Native & React, React Native & Ruby, React Native & Python, WordPress, Android, Data Annotation, Angular, Python & Node, React & Node.js, Java & Spring, Svelte & Python, Svelte & Node.js, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, PHP & Laravel, UI/UX Design, Animation, Graphic Design, React & Node & React Native, .NET & C#, Electron, Scala, C++, Unreal Engine & C++, Python & LLM, Unity, or Machine Learning Engineering and more. Reach out and we’ll match you.

We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.

We work with developers from 75+ countries across Europe, Latin America, North America (the U.S. and Canada), selected countries in Asia (Japan, Singapore, South Korea, the Philippines, Indonesia, Malaysia, Vietnam, Thailand, and Israel), Oceania (Australia, New Zealand, and Papua New Guinea), and Africa (including Morocco and South Africa).