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Posted 2 days agoAI Engineer II (Remote)
at Sezzle
Bogota, ColombiaOn-site
Responsibilities
- Lead the design, development, and ownership of AI-powered internal platforms and systems, including initiatives 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 that enhance customer experiences and compound productivity across teams.
- Build full-stack systems spanning backend services, APIs, data layers, and frontend interfaces.
- Collaborate closely with engineers, teams, and stakeholders across the company to identify high-impact opportunities and drive adoption.
- Mentor AI team members through code reviews, design feedback, and hands-on guidance, raising the overall quality bar of the team. What We Look for:
Requirements
- experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping!
- We are seeking a talented and motivated AI Engineer II who is best in class, with a high IQ and a high EQ.
- As an AI Engineer II on the Applied AI team, you will take on end-to-end ownership of complex platforms and systems that power Sezzle's AI-driven capabilities.
- Your work will span initiatives such as building AI-powered platforms from scratch, developing intelligent automation and orchestration systems, and embedding proprietary AI solutions directly into customer-facing products, internal tools, and operational workflows.
- You will operate in highly ambiguous problem spaces, working closely with product, engineering, and operations teams to identify opportunities where AI can drive meaningful impact — whether that's enhancing the customer experience, improving decision-making, or automating complex workflows.
- Embed AI capabilities into customer-facing products, internal tools, and operational workflows, ensuring solutions integrate naturally and deliver measurable value.
- Translate ambiguous business and operational problems into scalable, maintainable, AI-enabled technical solutions.
- 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. Demonstrated
- experience working with Claude or equivalent large language model tools is required; candidates must be comfortable leveraging AI to enhance productivity, research, and communication.
- Ability to operate effectively in ambiguous problem spaces and drive solutions with minimal direction. Preferred
- Experience building AI-first platforms or internal products from scratch, including early architectural decisions.
- Strong foundation in core machine learning and data science principles, including supervised/unsupervised learning, feature engineering, model evaluation, and statistical inference. •
- Experience with transformer architectures (BERT, GPT, etc.) and understanding of attention mechanisms, tokenization, and fine-tuning strategies for domain-specific applications. •
- Experience developing AI-assisted or agentic systems that interact with tools, data, or workflows.
- Familiarity with embeddings and vector representations, including text embeddings, similarity search, and integration with vector databases (Pinecone, Weaviate, pgvector, or similar). •
- Experience with NLP techniques including 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 containerized systems and orchestration tools such as Docker and Kubernetes.
- Exposure to CI/CD pipelines and modern development workflows (e.g., GitLab). •
- Experience with Golang is a plus (or willingness to learn). About You:
Experience
- 3–5 years of professional
Benefits
- The salary range for this role is $3,333 - $6,000 per month (Gross in USD) About Sezzle:
- You earn trust - you listen attentively, speak candidly, and treat others respectfully.
- Our culture is not defined by a certain set of perks designed to give the illusion of the traditional startup culture, but rather, it is the visible example living in every employee that we hire.
Additional details
- With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping
- experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible.
- We’re not just transforming payments; we’re redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values.
- As we continue to shape the future of fintech and retail, we’re building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey.
- If you’re excited about pushing boundaries in tech and delivering a game-changing
- This role presents an exciting opportunity to thrive in a dynamic, fast-paced environment within a rapidly growing team, with strong prospects for continued growth and increased ownership.
- This role is ideal for engineers ready to move beyond scoped execution and into leading solutions: shaping architecture, driving implementation, and ensuring that what is built is reliable, scalable, and genuinely useful for both external users and internal teams. What You'll Do:
- Apply strong systems thinking to ensure reliability, performance, security, permissions, and auditability across platforms.
- Participate in production support and incident response for owned systems, helping define and uphold reliability and operational best practices.
- You have relentlessly high standards - many people may think your standards are unreasonably high.