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AI Engineer II - Marketing

1 month ago
Brazil
Full-time
Mid Level
AI Engineer
Artificial Intelligence and Machine Learning
Affiliate Marketing AWS BERT CI/CD CRM Docker Feature Engineering GitLab Go GPT GraphQL Kubernetes LLM Machine Learning Microservices NLP Python React REST API SEO SQL
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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 197

Description

  • Lead the design, development, and ownership of AI-powered internal platforms and systems, including greenfield initiatives focused on marketing.
  • 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, AI-enabled 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.
  • 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 is preferred.
  • Strong foundation in machine learning and data science principles, including supervised and unsupervised learning, feature engineering, model evaluation, and statistical inference.
  • Experience with transformer architectures such as BERT and GPT, including attention mechanisms, tokenization, and fine-tuning strategies.
  • Experience developing AI-assisted or agentic systems that interact with tools, data, or workflows.
  • Familiarity with embeddings and vector representations, including vector databases such as Pinecone, Weaviate, or pgvector.
  • Experience with NLP techniques such as text classification, named entity recognition, semantic search, and information extraction.
  • Familiarity with cloud-native development using AWS.
  • Understanding of prompt engineering, retrieval-augmented generation (RAG), and LLM application patterns.
  • Experience with Docker, Kubernetes, and CI/CD pipelines such as GitLab.
  • Experience with Golang is a plus, or willingness to learn.
  • Experience with Braze or similar consumer-facing CRM platforms and B2C digital marketing channels such as affiliate, CTV, paid social, paid search, GEO/SEO, and DSP is a plus.

Benefits

  • Salary range of $3,333–$6,000 per month gross in USD.
  • Remote work designation (#Li-remote).
  • Full-time position (#full-time).

Interested in this position?

Apply directly on the company website

Apply Now

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