Principal Engineer - Agentic & UI Framework

Job Description

This job is responsible for defining and leading the engineering approach for solutions at the program or portfolio level, to deliver significant business outcomes. Key responsibilities include continuously improving the design, quality, and reuse of the solution and delivering technology enablers that improve development efficiencies for the solution. Job expectations include familiarity with at least one area of engineering, acting as a “go to” reference across the organization, and applying knowledge to improve technical competencies through recruitment and development activities.

Developer Experience (Dev Ex) provides enterprise technical standards and common technical services, platforms, and tools that are leveraged by delivery teams across all lines of business. Within the SDLC Software Delivery Lifecycle program, this role leads portfolio product delivery strategy and execution for enterprise software delivery capabilities, ensuring the right investments, operating model, governance, and prioritization are in place to improve how internal technical users build, test, and deliver software at scale.

Within Dev Ex we are seeking an Agentic Experience & UI Framework Principal Engineer

to lead the architecture and buildout of a modern UI platform that powers AI-driven and agent-assisted workflows across the Software Delivery Lifecycle (SDLC).

This role sits at the intersection of frontend platform engineering, AI-assisted user experiences, and developer productivity. You will define how engineers and delivery teams interact with LLM-powered capabilities, autonomous agents, and intelligent workflows through intuitive, real-time, and highly interactive user interfaces.

• Develops the engineering approach for the entire program/portfolio solution and works with Architecture, to develop/analyze/deliver the implementation of technical enablers
• Leads the planning, definition, and design of the complex features which span multiple teams and explore solution alternatives
• Creates ideas on designing complex technology and solution development approaches
• Leads the technical oversight for teams in solution development including design reviews and code within own domain
• Defines the technology tool stack for the solution within range of internally approved and supported technologies
• Explores state‑of‑the‑art technologies to improve development efficiencies, quality of test/QA coverage, and release management
• Leads and is responsible for the end‑to‑end test strategy/creation/adherence, and the integration between teams for a program/portfolio solution
• Improve the experience for our developers, making it easier to deliver industry‑leading solutions, while managing work efficiently and with the right controls
• Advance our technology platforms through innovation
• Reduce risk and improve quality across our technology portfolio by aligning to a single enterprise architecture strategy and delivering governance that enables consistency, integration and automation
• Define and drive the UI platform architecture for AI‑powered and agent‑assisted developer experiences
• Build scalable frontend frameworks, component systems, and design patterns to support dynamic, AI‑driven workflows
• Design interactive, conversational, and workflow‑centric interfaces that integrate with LLMs and autonomous agents
• Develop real‑time user experiences (streaming responses, step‑by‑step execution, logs, agent reasoning visibility, task progress)
• Create UI patterns for human‑in‑the‑loop workflows, approvals, overrides, and task orchestration
• Partner with AI/ML and platform teams to integrate LLMs, APIs, and agent orchestration layers into cohesive user experiences
• Define standards for prompt‑driven UX, contextual interfaces, and adaptive UI behavior based on model outputs
• Ensure secure, role‑aware, and governed experiences aligned with enterprise IAM/SSO
• Drive adoption by establishing frontend standards, usability benchmarks, and developer experience best practices

Core Experience

• 15+ years of engineering experience with strong focus on frontend or full‑stack platforms
• Proven experience building developer‑facing…