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AI Engineer I (Remote)

ID: 9179

Type: Full-time

Category: Others

Company Name: Sezzle

Location: Brazil

Salary: 30 - 40K yearly

Education Level: Mid-level (2-5 years)

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Job Description

The salary range for this role is 2,500 - 3,333 USD  per month (Gross in USD) 

About Sezzle:

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 experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping!

About the Role: 

We are seeking a talented and motivated AI Engineer I who is best in class, with a high IQ and a high EQ. 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.

As an AI Engineer I on the Applied AI team, you will contribute to the development of platforms and systems that power Sezzle's AI-driven capabilities. Your work will span initiatives such as building AI-powered features, developing intelligent automation and agentic systems, and embedding AI solutions into customer-facing products, internal tools, and operational workflows.

You will work closely with senior engineers and cross-functional teams to identify opportunities where AI can drive meaningful impact—whether that's enhancing the customer experience, improving decision-making, or automating complex workflows. This role is ideal for engineers early in their AI careers who want hands-on exposure to production-grade AI systems, with opportunities to grow into greater ownership and technical leadership over time.

What You'll Do:

  • Contribute to the design and development of AI-powered platforms and systems, working alongside senior engineers on complex initiatives.
  • Own end-to-end delivery of complex projects, from problem discovery and system design through production rollout and iteration.
  • Build AI-driven features, intelligent automation, and agentic systems that enhance customer experiences and improve team productivity.
  • Embed AI capabilities into existing team workflows, products, and processes, ensuring solutions integrate naturally
  • Integrate AI capabilities into customer-facing products, internal tools, and operational workflows.
  • Build full-stack components spanning backend services, APIs, data layers, and frontend interfaces.
  • Translate business and operational problems into maintainable, AI-enabled technical solutions with guidance from senior team members.
  • Apply systems thinking to ensure reliability, performance, and security across platforms.
  • Collaborate with engineers, teams, and stakeholders across the company to understand requirements and deliver impactful solutions.
  • Participate in production support and incident response for team-owned systems, learning operational best practices.
  • Engage in code reviews and knowledge sharing to continuously improve skills and contribute to team growth.

What We'll Look For:

  • 1–3 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.

Preferred Qualifications:

  • Exposure to building AI-powered platforms or products, including contributing to architectural decisions.
  • Foundational knowledge of core machine learning and data science principles, including supervised/unsupervised learning, feature engineering, and model evaluation.
  • Familiarity with transformer architectures (BERT, GPT, etc.) and basic understanding of attention mechanisms, tokenization, and fine-tuning concepts.
  • Exposure to embeddings and vector representations, including text embeddings and similarity search concepts; interest in vector databases (Pinecone, Weaviate, pgvector, or similar).
  • Familiarity with NLP techniques such as text classification, named entity recognition, or semantic search.
  • Familiarity with real-world agentic frameworks workflow engines (e.g., in-house automation platforms, langchain/graph, n8n, Make, or similar), with a solid understanding of how they work under the hood.
  • Experience developing AI-assisted or agentic systems that interact with tools, data, or workflows.
  • Familiarity with cloud-native development using AWS.
  • 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:

  • You have relentlessly high standards - many people may think your standards are unreasonably high. You are continually raising the bar and driving those around you to deliver great results. You make sure that defects do not get sent down the line and that problems are fixed so they stay fixed.
  • You’re not bound by convention - your success—and much of the fun—lies in developing new ways to do things
  • You need action - speed matters in business. Many decisions and actions are reversible and do not need extensive study. We value calculated risk-taking.
  • You earn trust - you listen attentively, speak candidly, and treat others respectfully.

What Makes Working at Sezzle Awesome:

At Sezzle, we are more than just brilliant engineers, passionate data enthusiasts, out-of-the-box thinkers, and determined innovators. We believe in surrounding ourselves with only the best and the brightest individuals. 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. 

#Li-remote #full-time

Company Information

Company Name: Sezzle

Company Website: https://www.sezzle.com

Company Address: Minneapolis, Minnesota, USA

Sezzle is a financial-technology company that provides point-of-sale payment solutions enabling consumers to make purchases immediately and pay over time through short-term, interest-free installment plans. Operating as a payments platform and merchant partner, Sezzle’s core proposition is to increase consumer purchasing power and conversion for online and in-store merchants by offering a buy-now-pay-later (BNPL) option at checkout. The company positions itself within the payments and fintech sectors, delivering both consumer-facing tools and merchant-facing integration, risk management, and settlement services. Company overview Sezzle offers a payments platform that integrates directly into merchant checkout experiences and into consumer payment flows via a dedicated app and customer accounts. For consumers, the service enables purchases to be split into multiple, typically four, interest-free installments paid over a short period (commonly six weeks), subject to approval. For merchants, Sezzle provides a turnkey integration that appears as a payment option at checkout, along with back-office merchant services including transaction settlement, reporting, fraud detection, and customer support related to installment payments. The platform is designed to help merchants increase order sizes and conversion rates by providing shoppers with an alternative to traditional credit-based financing. Core business activities Sezzle’s primary activities center on (1) underwriting and servicing consumer installment plans at the point of sale, (2) integrating its payment option into e-commerce platforms and point-of-sale systems for merchants, and (3) providing merchant services for settlement, reporting, and analytics. The company develops and maintains integrations and plugins for major e-commerce platforms, enabling merchants to deploy Sezzle as a payment method with minimal technical overhead. On the consumer side, Sezzle operates an account and application infrastructure that handles customer onboarding, transaction approvals, installment scheduling, payments collection, and account management. The company also invests in fraud prevention and credit-risk assessment tools to manage delinquency and protect merchant and platform exposures. Main products and services - Buy-Now-Pay-Later (BNPL) instalment plans: Sezzle’s core product allows customers to split purchases into a series of interest-free payments. The installment structure, timing, and approval criteria are presented at checkout. Sezzle assumes the purchase risk and pays merchants upfront (or on an accelerated schedule), enabling merchants to receive full or near-full payment while the consumer repays Sezzle over time. - Merchant integrations and platform plugins: Sezzle provides prebuilt integrations and developer APIs for popular commerce platforms to enable simple activation of the payment option on merchant websites and physical checkout systems. These integrations typically include a merchant dashboard for transaction management, settlement reconciliation, reporting, and performance analytics. - Consumer account and app: Consumers can create Sezzle accounts through the merchant checkout flow or the Sezzle mobile/web app. Account features include payment scheduling, payment method management, purchase history, and notifications. The platform also offers features intended to help consumers manage installment payments and avoid late fees. - Merchant services and funding: Sezzle provides financial settlement services to merchants, transferring funds for approved purchases according to contracted timelines. The company’s revenue model for merchants generally includes merchant fees charged per transaction in exchange for assuming risk and providing the payment service. Sezzle also supplies merchants with tools and reporting to monitor key performance indicators tied to the BNPL offering. - Risk management and fraud prevention: A crucial element of the Sezzle platform is its underwriting and fraud-detection capability, which reviews consumer applications and transaction patterns in real time to make approval decisions and mitigate losses. Sezzle’s risk infrastructure is built to balance consumer accessibility with protections for merchants and the platform itself. Market presence and channels Sezzle’s primary channels are e-commerce merchants and direct-to-consumer adoption via its app and checkout integrations. The company partners with a diverse range of retailers across categories such as apparel, electronics, health and beauty, and specialty retail. Sezzle’s payment option can be presented across desktop and mobile checkout flows as well as integrated into certain in-store point-of-sale systems when merchants enable support for BNPL at physical locations. The platform emphasizes seamless checkout UX to reduce friction for conversions. Business model and revenue Sezzle’s revenue is principally derived from merchant fees charged when consumers use its installment product, and from consumer fees in specific circumstances (for example, late fees where applicable under the company’s terms). By assuming the credit risk for installment payments, Sezzle provides value to merchants in the form of higher conversion and average order value, while collecting fees to compensate for underwriting risk and operational costs. The company also derives value from merchant analytics and platform services that support merchant adoption and retention. Compliance, partnerships, and ecosystem Sezzle operates within regulated payments and consumer-finance frameworks and works with payment processors, banks, and merchant partners to deliver its service. The company typically emphasizes partnerships with commerce platforms and payment gateways to increase distribution. As a payments provider, Sezzle implements compliance controls, identity verification, and data-protection measures consistent with industry expectations for handling consumer payment information. Overall, Sezzle is a technology-driven BNPL payments provider that combines consumer-facing installment products with merchant integration and services. Its platform is intended to simultaneously expand consumer purchasing options and provide merchants with a payment alternative designed to boost conversion and sales while managing payment risk through underwriting and fraud prevention capabilities.
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