ML Engineer I

WhoWeAre:

Borndigital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences andhuman-centered solutionsfor a better world.

UST is a mission-driven group of29,000+ practical problem solvers and creative thinkersinmore than30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us,you’ll create a boundless impact that transforms your career—and the lives of people across the world.

Visit us atUST.com.

You Are:

We are seeking an AI/ML Engineer to design and develop an intelligent chatbot AI Agent that empowers merchants to analyze sales performance and make data-driven decisions.

The solution will leverage LLMs, prompt engineering, and MCP-based tools (includingFastMCP) to enable natural language queries, dynamic data retrieval, and actionable insights from sales data.

Theopportunity:

• Architect, develop, and deploy a chatbot AI Agent to support merchants in analyzing sales performance and decision-making.

• Apply prompt engineering techniques to improve query handling, ensureaccurate responses, andoptimize LLM interactions.

• Build AI agent workflows leveragingLangChain,LangGraph, andFastMCP for tool integration and orchestration.

• Integrate MCP tools for dynamic data access, retrieval, and analysis.

• Fine-tune andoptimize LLMs to handle merchant-specific queries with precision and efficiency.

• Design and implement testing strategies for AI Agents and LLM-based workflows, including evaluation of accuracy, reliability, and bias.

• Build APIs and microservices (usingFastAPI) to support chatbot functionality and data pipelines.

• Deploy scalable solutions with Docker and Kubernetes, ensuring reliability and performance.

• Collaborate with product managers, data scientists, and business stakeholders to align AI solutions with merchant needs.

This position descriptionidentifies theresponsibilitiesand tasks typically associated with the performance of the position. Other relevant essential functions may berequired.

Whatyouneed:

• 8-10 years of experience withHands-on experience with LLMs, AI Agents, Chatbots, and prompt engineering.

• Strong understanding of testing and evaluation methods for LLM-powered agents, including prompt validation, output reliability, and user feedback loops.

• Proficiency inLangChain andLangGraph for agentic workflows and orchestration. Familiarity withFastMCP and MCP (Model Context Protocol) for tool integration.

• Proficiency in Python for AI/ML development.

• Experience building services withFastAPI.

• Proficiency with Docker and Kubernetes for scalable deployments.

• Strong problem-solving and communication skills to bridge technical solutions with merchant use cases.

• Ability to adapt quickly, learn complex systems, and contribute effectively in a fast-paced environment.

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. USTprovides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

RoleLocation:Arkansas

Compensation Range:$72,000 - $108,000

Benefits

Full-time, regularemployeesaccrue a minimum of 10 days of paid vacation per year, receive 6days ofpaid sick leave eachyear (pro-rated fornewhires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. Theyareeligible toparticipate in theCompany’s 401(k)Retirement Plan with employer matching. They and their dependentsresiding in the USare eligible for medical, dental, and vision insurance, as well asthe following Company-paidEmployee Onlybenefits: basic life insurance, accidentaldeath and disability insurance,and short- and long-term disability benefits.Regular employeesmaypurchaseadditional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well asaFlexible Spending Account (FSA) for healthcare, dependentchild care, and/or commuting expenses as allowable under IRSguidelines.Benefits offerings vary in Puerto Rico.

Part-time employeesreceive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) andare eligibletoparticipate in theCompany’s401(k) Retirement Planwith employer matching.

Full-time temporary employeesreceive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) andare eligible toparticipate in the Company’s 401(k) program with employermatching. They and their dependentsresiding in the USare eligible for medical, dental, and vision insurance.

Part-time temporary employeesreceive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

AllUSemployees who work in a state or localitywith more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

Whatwebelieve:

We proudly embrace the values that have shaped USTsince day one.We buildourculture ofHumility, Humanity, and Integrity.These values inspire us tonurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.

Humility:

We will listen, learn, beempathetic and help selflessly in our interactions with everyone.

Humanity:

Through business, we will better the lives of those less fortunate than ourselves.

Integrity:

We honor our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any otherapplicable characteristics protected by law. We will consider qualified applicants with arrest or conviction recordsin accordance with state and local laws and “fair chance” ordinances.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

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