Skills

Critical Thinking Python Data Analysis Data Cleaning Sales Linux Machine Learning Recruitment Artificial Intelligence Large Language Models

Job Specifications

At Lendbuzz, we believe financial opportunity should be more personalized and fair. We develop innovative technologies that provide underserved and overlooked borrowers with better access to credit. From our employees to our dealers, partners, and borrowers, we’ve built a company and a culture around a resolute belief in the promise and power of diversity. We value independent and critical thinking.

We are seeking an enthusiastic Machine Learning Co-op to join our team, focusing on our sales and collection AI chatbot projects within ou r Language Understanding and Semantic Analysis group. Ideal candidates should be proficient in Spanish or Portuguese , eager to explore the intricacies of the auto loan industry, and interested in building real-world applications of Large Language Models (LLMs ). You will gain hands-on experience with large-scale data annotation, data cleaning, multilingual model evaluation, and product design.

Key Responsibilities

Annotate chat data from sales-dealers and customers to train AI chatbots
Develop and refine prompts and Retrieval-Augmented Generation (RAG) technique cvg cant es to enhance the performance of zero-shot and few-shot language models (LLMs)
Assess the needs of dealers and customers, and implement AI chatbot functionalities to address those needs
Fine-tune language models as time permits and based on the availability of annotated data

Requirements

Proficiency in either Spanish or Portuguese (spoken and written) is required
Pursuing a Bachelor’s degree in Computer Science or a related field, pursuing a M.S in Computer Science or a related field preferred (graduation date of December 2026 or later)
Coursework or experience in Data Structures, Algorithms, Linear Algebra, Probability, and foundational Machine Learning and Artificial Intelligence concepts
Familiarity with Python and its data analysis libraries
Strong grasp of core CS and ML concepts
Interview process will include questions on coursework, coding, probability, machine learning, and Linux fundamentals
Able to work 3-4 days in our downtown Boston office full time from January-August 2026

$22 - $30 an hour

We Believe

Diversity is a competitive advantage. We celebrate our differences, and are better when we have a variety of experiences, viewpoints, and backgrounds.

Compassion is a strength. We care about our customers and look to build long-term relationships with them.

Simplicity is a key feature. We work hard to make our forms and processes as painless and intuitive as possible.

Honesty and transparency are non negotiable. We incorporate these traits in all of our interactions.

Financial opportunity belongs to everyone. We work every day to improve lives by extending this opportunity.

If you believe these things too then we would love to hear from you!

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

About the Company

Lendbuzz is an AI-based auto finance platform that helps consumers obtain fair access to credit when purchasing a car. Powered by alternative data and machine-learning algorithms, Lendbuzz can assess the creditworthiness of consumers whose credit scores range from good to non-existent--a group totalling some 100 million people--yet despite their massive numbers are underserved by traditional loan processes. Lendbuzz supports the success of their dealership partners through consumer loans that help those dealers reach a more ... Know more