Senior Generative AI Engineer

UST is searching for a Senior Generative AI Engineer with hands-on experience with modern AI/ML technologies, including LLMs and RAG-based solutions.

The opportunity:

• Develop and implement agentic AI systems, including multi-step workflows, tool use, and autonomous task orchestration using LLM-based frameworks

• Design, build, and deploy scalable AI/ML solutions using Python and cloud-native services in Microsoft Azure (e.g., Azure OpenAI, Azure Foundry, Azure AI Search)

• Integrate AI capabilities into enterprise applications and workflows through APIs, microservices, and Azure-based architecture

• Translate business and technical requirements into robust, production-ready solutions, balancing performance, scalability, and maintainability

• Collaborate with engineers, product managers, and stakeholders to deliver AI solutions aligned to requirements

• Contribute to solution design and architecture discussions, including tooling and implementation trade-offs

• Use AI-assisted development tools (e.g., Claude Code, Codex, GitHub Copilot) to improve development efficiency while maintaining strong code quality

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

• Bachelor's degree or equivalent practical experience

• Strong programming skills in Python

• Experience integrating AI services into applications using APIs and cloud platforms (preferably Azure)

• Experience deploying and maintaining AI/ML systems in production environments

• Familiarity with AI development tools such as GitHub Copilot, Claude Code, or similar

• Familiarity with evaluation, observability, and prompt optimization techniques

• Understanding of data security and privacy considerations in AI systems

• Strong problem-solving skills and ability to work independently on defined tasks

• Experience working in agile or iterative development environments (e.g., Scrum, Kanban)

• Nice-to-Have Qualifications:

• Experience with frameworks such as LangChain or LlamaIndex

$113,000-$170,000 life insurance, vision insurance, flexible benefit account, paid holidays, sick time, 401(k), retirement plan United States, California, Aliso Viejo Apr 23, 2026 Role description, Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company's 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

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

All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws., Compensation range: $ 113,000.00 to 170,000.00 per year

Born digital, 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 and human-centered solutions for a better world. UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 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., We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.