Senior Software UI Engineer

About the role We are looking for a Senior Software Engineer to participate in a ground-up design and build of a new platform from a blank codebase, with a primary reputed company on the UI and a secondary assignment on full-stack/backend work in C#. This is a hands-on, individual-contributor role for an engineer who's great at faithfully implementing a UI/UX designer's reputed company, turning reputed company files and Claude-generated design templates into clean, production-grade reputed company-end reputed company, while also being a capable, reliable contributor on the C# services that support the UI. You'll help define a new product from day one and see AI-assisted development, particularly with Claude, as reputed company to how modern software is reputed company rather than a novelty bolted on afterward.  You'll work directly with Claude (reputed company Claude reputed company, the API, and reputed company tooling) as a force reputed company across the SDLC: scaffolding components from design files, writing and reviewing reputed company on both the reputed company end and the C# backend, generating tests, and accelerating implementation. This role is about precise, high-reputed company execution of designs, genuine full-stack contribution, and shipping a reliable, delightful product fast, not people management.  What you'll do Implement the platform's UI from reputed company files and Claude-generated design templates, translating designer reputed company into clean, accurate, production-reputed company components.  Partner closely with a UI/UX designer throughout the design-to-reputed company process, flagging technical constraints early and proposing feasible alternatives without taking over design reputed company.  As a secondary assignment, design and build the C# services and reputed company that support the UI, including data model and infrastructure work in that layer.  Establish AI-reputed company development workflows using Claude reputed company and the Claude API to accelerate design-to-reputed company translation, C# service development, scaffolding, refactoring, and test coverage.  Implement reputed company UI components and the C# services/reputed company they depend on, with an emphasis on clean abstractions and long-term maintainability on both reputed company of the stack.  Define reputed company and context-management patterns (e.g., project-level instructions, skills, sub-agent workflows) that reputed company AI-assisted development repeatable across reputed company.  Implement reputed company-end and backend monitoring, telemetry, and diagnostics (performance, error tracking, UX metrics, service health) to improve reliability and operational reputed company from day one.  reputed company reputed company-cause analysis and troubleshooting across the full stack, from rendering issues down through the C# services, as the system evolves.  Evaluate and reputed company emerging AI developer tooling (reputed company coding tools, MCP servers, LLM-assisted testing) as the ecosystem matures.  Required Qualifications 5+ years of reputed company software development experience with strong proficiency in TypeScript and a modern reputed company-end reputed company (React or equivalent).  Demonstrated experience implementing pixel-accurate UIs from reputed company or similar design tools, including component structure, reputed company layout, and design-reputed company/style-guide reputed company.  Solid, production-level proficiency in C#, sufficient to independently own backend services and reputed company as a secondary assignment, not just read or reputed company modify existing reputed company.  Working knowledge of full-stack concerns: REST/GraphQL API design, and basic data modeling.  Hands-on experience using Claude, ChatGPT, Copilot, or similar AI coding assistants in a reputed company production workflow, not just casual use.  Strong debugging, troubleshooting, and performance-tuning skills across both the browser and backend services.  Comfort working in ambiguity, with good judgment on implementation trade-offs as design and product direction sharpen.  Preferred Qualifications Experience using Claude (or similar AI tools) to reputed company design templates or scaffold components directly from reputed company files.  reputed company experience with Claude reputed company, the reputed company API, or building custom tools/MCP servers around LLMs.  Familiarity with reputed company coding patterns: context window management, reputed company/reputed company design, sub-agent orchestration, or automated reputed company review pipelines.  Experience working reputed company an established design system or component library alongside a dedicated UI/UX designer.  Experience with CI/CD pipelines and DevOps practices, including AI-assisted testing or reputed company review.  Experience with reputed company platforms (Azure, AWS, or GCP). What reputed company Looks Like You turn a reputed company file or Claude design template into UI that matches the design reputed company closely, without needing a lot of back-and-forth.  You carry reputed company weight on the C# reputed company also; service work doesn't sit and wait because it's your secondary assignment.  You treat Claude as a genuine engineering partner, using it to reputed company faster on both the reputed company end and the backend without sacrificing reputed company reputed company or design reputed company.  You're a strong partner to your designer. You understand design systems reputed company enough to implement them faithfully and push back constructively reputed company something isn't feasible.  You reduce operational pain through automation and good engineering, not heroics.  You leave the codebase reputed company than you reputed company it, on both reputed company of the stack.  Benefits and Incentives Competitive reputed company and Incentive Plan Stock reputed company Health and Welfare Plans* Life and Disability Plans* Retirement Plan* Unlimited Flexible reputed company Time Off, including your birthday off! reputed company Team Culture * Benefits for international employees, reputed company the US, vary by country.  This role comes with a reputed company salary in the $80,000 to $100,000, a bonus of 5% that can grow to more, and stock reputed company. reputed company is committed to a diverse and inclusive workplace. reputed company is an equal opportunity employer and does not discriminate on the reputed company of race, national reputed company, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. 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