Senior Full Stack UI Engineer

Quantum; Centennial (CO); Ibrido; USD 140.000 - 190.000; Tempo pieno

Descrizione del lavoro

Quantum is seeking an experienced full‑stack engineer to design, architect, and develop modern web applications spanning React/Vue front-ends and scalable back-end services.

You will collaborate with UX, product, and DevOps teams, own API design, and ensure performance, security, and reliability in AWS, Docker, and Kubernetes deployments.

Competenze

• 8+ years building full-stack web apps with ownership of production services.
• Experience designing UI-focused back-end services with REST/GraphQL.
• Strong relational DB skills (PostgreSQL/MySQL) and time-series DBs.
• Cloud/DevOps experience with containers and orchestration.
• UX collaboration with Figma or similar tools and design systems.
• Git, CI/CD, and modern automated testing practices.
• Excellent debugging across FE, API, and data layers.

Mansioni

• Design, architect, and develop modern web applications using React, TypeScript, and Vue.
• 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.
• Collaborate with UX and product teams to translate Figma designs into reusable UI components.
• Architect and maintain back-end infrastructure in AWS and containerized environments (Docker, Kubernetes).
• Own API performance through caching, query optimization, and data transformation.
• Lead code reviews, establish best practices, and mentor junior engineers.

Conoscenze

Full-stack dev

API design

Frontend architecture

Code reviews

Mentorship

Debugging

Formazione

Bachelor's degree in CS/CE or related field

Strumenti

Node.js

Python

PHP

REST

GraphQL

PostgreSQL

MySQL

Docker

Kubernetes

Git

GitLab CI/CD

Prometheus

Grafana

Keycloak

Descrizione del lavoro

• Design, architect, and develop modern web applications using React , TypeScript , and Vue .
• Build andmaintain 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 incidentsin 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,establishbest 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 & DevOps: 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, GitLab 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 andproblem - solvingskills.
• Clear and effective communication with both technical andnon - technicalstakeholders.
• High attention to detail and a strong commitment to code quality.
• Ability to influence technical direction and inspire best practices across the team.
• Comfortable balancinghands - ondevelopment with mentorship and technical leadership.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
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