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Senior Full Stack UI Engineer

Job in Centennial, Arapahoe County, Colorado, USA
Listing for: Quantum
Full Time position
Listed on 2026-10-17
Job specializations:
  • Software Development
    Backend Developer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below
  • 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, andoptimizeback-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 andcomponentlibraries.
  • Contribute to and consume sharedcomponentlibraries across React and Vue ecosystems.
Cloud Infrastructure & Reliability
  • Architect andmaintainback-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 incident sin a timely mannerand 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, andoptimizerelational 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 acrossfront-endand 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
  • Proactivelyidentifytechnical debt and leadrefactoringor 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.
  • Back-End & APIs: Experience designing and implementing UI-focused back-end services (Node.js, Python, PHP, or similar) using REST and/orGraphQL.
  • 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.
  • Tooling & Testing: Solid experience with Git, Git Lab CI/CD, and modern automated testing frameworks.
  • Debugging: Strong debugging and troubleshooting skills across front-end, API, and data layers.
  • Ability to work effectively in a collaborative, in-office engineering environment.
Preferred
  • Experience with the Laravel framework in PHP.
  • Familiarity with identity/auth platforms and API securitypatterns.
  • Background instorage, infrastructure, or data-intensive/enterprise-scale systems.
Education
  • Bachelor's degree in Computer Science, Computer Engineering, or a related field (or equivalent practical experience).
Soft Skills
  • Strong technical leadership and problem - solving skills.
  • Clear and effective communication with both technical andnon - technical stakeholders.
  • High attention to detail and a strong commitment to code quality.
  • Ability to influence technical direction and inspire best practices across the team.
  • Comfortable balancing hands - on development with mentorship and technical leadership.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.

For further information, please review the Know Your Rights notice from the Department of Labor.

Position Requirements
10+ Years work experience
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