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AI Engineer II (Remote)

2 months ago
Colombia
Full-time
Mid Level
AI Engineer
Software Development
AWS BERT Docker Feature Engineering GitLab Go GPT Kubernetes LLM Machine Learning Microservices NLP Python React SQL System Design
Apply Now
Sezzle

Sezzle

Sezzle is a payments company revolutionizing the buy now, pay later experience with interest-free installment plans, empowering consumers and merchants alike.

Diversified Financial Services
251-1K
Founded 2016
View All Jobs 189

Description

  • Lead the design, development, and ownership of AI-powered internal platforms and systems built from the ground up.
  • Own end-to-end delivery of complex projects from problem discovery and system design through production rollout and iteration.
  • Design and implement AI-driven features, intelligent automation, and orchestration systems.
  • Embed AI capabilities into customer-facing products, internal tools, and operational workflows.
  • Build full-stack systems spanning backend services, APIs, data layers, and frontend interfaces.
  • Translate ambiguous business and operational problems into scalable, maintainable technical solutions.
  • Ensure reliability, performance, security, permissions, and auditability across owned platforms.
  • Collaborate with engineers, product, operations, and other stakeholders to identify high-impact opportunities and drive adoption.
  • Participate in production support and incident response for owned systems.
  • Mentor AI team members through code reviews, design feedback, and hands-on guidance.

Requirements

  • 3–5 years of professional experience in software engineering, AI engineering, platform engineering, or related roles.
  • Hands-on experience designing, building, and shipping AI-powered systems into production environments.
  • Strong proficiency in Python, SQL, and frontend frameworks such as React.
  • Proven experience designing and owning production-grade full-stack systems.
  • Experience working with distributed systems, internal platforms, or complex data workflows.
  • Ability to operate effectively in ambiguous problem spaces and drive solutions with minimal direction.
  • Experience building AI-first platforms or internal products from scratch, including early architectural decisions (preferred).
  • Strong foundation in machine learning and data science principles, including supervised and unsupervised learning, feature engineering, model evaluation, and statistical inference (preferred).
  • Experience with transformer architectures such as BERT or GPT, including attention mechanisms, tokenization, and fine-tuning strategies (preferred).
  • Familiarity with embeddings, vector search, and vector databases such as Pinecone, Weaviate, or pgvector (preferred).
  • Experience with NLP techniques such as text classification, named entity recognition, semantic search, and information extraction (preferred).
  • Familiarity with cloud-native development using AWS, Docker, Kubernetes, and CI/CD tools such as GitLab (preferred).
  • Understanding of prompt engineering, retrieval-augmented generation (RAG), and LLM application patterns (preferred).
  • Experience with Golang is a plus, or willingness to learn (preferred).

Benefits

  • Salary range of $3,333–$6,000 per month gross in USD.
  • Remote, full-time role.
  • Opportunity to work on high-impact AI systems in a rapidly growing team.
  • Strong ownership and growth potential in a fast-paced environment.

Interested in this position?

Apply directly on the company website

Apply Now

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