About Sezzle

Sezzle’s mission is to financially empower the next generation by revolutionizing the shopping experience beyond payments. By combining cutting-edge technology with seamless, interest-free installment plans, Sezzle makes shopping smarter, more accessible, and more impactful.

Sezzle is redefining how consumers discover, interact with, and purchase the products they love—while driving measurable impact for merchants through increased conversions and higher order values. As a fast-growing fintech innovator, Sezzle is building a dynamic team passionate about delivering a truly unique and game-changing shopping journey.

Job Title

AI Engineer I – Applied AI Team

Role Overview

We are seeking a talented and motivated AI Engineer I to join the Applied AI team. This role offers an exciting opportunity to contribute to production-grade AI systems within a fast-paced, high-growth environment. You will work closely with senior engineers and cross-functional teams to build scalable AI platforms and intelligent systems that power Sezzle’s customer and operational experiences.

This position is ideal for engineers early in their AI careers who want hands-on exposure to designing, building, and deploying AI-driven systems while progressively taking on greater ownership and technical leadership.

Key Responsibilities

Contribute to the design and development of AI-powered platforms and systems.
Own end-to-end delivery of projects from problem discovery and architecture design to production rollout and iteration.
Build AI-driven features, intelligent automation, and agentic systems.
Integrate AI capabilities into customer-facing products, internal tools, and operational workflows.
Develop full-stack components including backend services, APIs, data layers, and frontend interfaces.
Translate business challenges into scalable, AI-enabled technical solutions.
Ensure reliability, performance, and security through systems thinking.
Participate in production support, incident response, and operational best practices.
Engage in code reviews and collaborative knowledge sharing.

Required Qualifications

1–3 years of professional experience in software engineering, AI engineering, platform engineering, or related roles.
Hands-on experience designing and shipping AI-powered systems into production.
Strong proficiency in Python and SQL.
Experience with frontend frameworks such as React.
Proven experience building and owning production-grade full-stack systems.
Experience working with distributed systems or complex data workflows.
Ability to operate effectively in ambiguous problem spaces with minimal direction.

Preferred Qualifications

Exposure to AI-powered platform or product architecture decisions.
Foundational understanding of machine learning concepts including supervised/unsupervised learning, feature engineering, and model evaluation.
Familiarity with transformer architectures (e.g., BERT, GPT) and fine-tuning concepts.
Understanding of embeddings, vector representations, and similarity search concepts.
Exposure to vector databases such as Pinecone, Weaviate, or pgvector.
Familiarity with NLP techniques such as text classification, named entity recognition, or semantic search.
Experience with agentic frameworks or workflow engines (e.g., automation platforms, LangChain, n8n, Make).
Cloud-native development experience using AWS.
Experience with Docker, Kubernetes, and CI/CD pipelines (e.g., GitLab).
Experience with Golang or willingness to learn.

What We Look For

Relentlessly high standards and commitment to delivering defect-free solutions.
Innovative thinking and willingness to challenge conventional approaches.
Bias for action and comfort with calculated risk-taking.
Strong communication skills and ability to earn trust through transparency and respect.

Why Join Sezzle

Sezzle fosters a culture built on excellence, innovation, and ownership. The team is composed of high-performing engineers, creative thinkers, and passionate innovators who continuously raise the bar. Rather than relying on superficial perks, Sezzle’s culture is reflected in the ambition, accountability, and collaborative spirit of its people.

Join Sezzle to work on impactful AI systems, redefine fintech experiences, and help shape the future of shopping through intelligent technology.