Senior Full Stack UI Engineer Job Centennial area,Colorado USA,Software Development

Design, architect, and develop modern web applications using React, Type Script, and Vue.
Build and maintain Backend-for-Frontend (BFF) and API services (REST and/or GraphQL) that aggregate, adapt, and optimize back-end data for UI consumption.
Translate UI/UX requirements into efficient back-end data models, API contracts, and service boundaries.
Define and evolve front-end and BFF architectures with a focus on performance, scalability, security, and maintainability.

Key Responsibilities Full-Stack Architecture & Development

Design, architect, and develop modern web applications using React, Type Script, and Vue.
Build and maintain Backend-for-Frontend (BFF) and API services (REST and/or GraphQL) that aggregate, adapt, and optimize back-end data for UI consumption.
Translate UI/UX requirements into efficient back-end data models, API contracts, and service boundaries.
Define and evolve front-end and BFF architectures with a focus on performance, scalability, security, and maintainability.

Front-End & Design System Collaboration

Collaborate with UX and product teams to translate Figma designs into high-quality, reusable UI components aligned with shared design systems and component libraries.
Drive UI performance optimization, accessibility, and cross-browser compatibility.
Contribute to and consume shared component libraries across React and Vue ecosystems.

Cloud Infrastructure & Reliability

Architect and maintain back-end infrastructure in AWS (EC2, RDS, SQS, SES, ECR) and containerized environments (Docker, Kubernetes).
Own and improve API performance through caching strategies, query optimization, and efficient data transformation.
Respond to production incidents in a timely manner and contribute to observability, monitoring (Prometheus/Grafana), and reliability initiatives.

Back-End Security

Integrate authentication and authorization using identity platforms such as Keycloak, including SSO and role-based access control.
Build secure, maintainable server-side functionality and contribute to security tooling across UI and back-end layers.

Data Management

Design, evolve, and optimize relational database schemas (PostgreSQL, MySQL) and caching layers (Redis) in support of UI-centric use cases.
Ensure data consistency, integrity, and performance across services.

Technical Leadership

Lead code reviews, establish best practices, and ensure consistent engineering standards across front-end and back-end layers.
Mentor junior and mid-level engineers and contribute to raising the overall quality bar of the team.
Participate actively in design reviews, sprint planning, and cross-team technical discussions.

Quality & Testing

Proactively identify technical debt and lead refactoring or modernization efforts.
Champion high code quality through thoughtful design, automated unit/integration/e2e testing, and CI/CD pipeline discipline.

Qualifications Required

Experience:

8+ years of professional experience building full-stack, user-facing web applications, including ownership of production services.
Front-End:

Strong hands-on experience with React in production environments; advanced proficiency in JavaScript, Type Script, HTML5, and CSS
3.
Back-End & APIs:

Experience designing and implementing UI-focused back-end services (Node.js, Python, PHP, or similar) using REST and/or GraphQL.
Databases:

Strong experience with relational (PostgreSQL, MySQL) and time series databases (Prometheus).
Cloud & Dev Ops:

Experience working in cloud environments with containerization and orchestration.
UX

Collaboration:

Experience working closely with UX teams and implementing designs from Figma or similar design tools.
Accessibility:

Strong understanding of responsive design, accessibility standards, and browser compatibility.
Tooling & Testing:

Solid experience…