Software Engineer (React UI Modernization)

FusionHit Peru
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You will play a key role in transforming legacy platforms into scalable, maintainable, and performance-driven applications while collaborating closely with backend, DevOps, and product stakeholders.

This project focuses on modernizing enterprise-level retail systems that directly support business-critical store and supply chain operations.

Location: Must reside and have work authorization in Latin America.

Availability: Must be available to work with significant overlap with Mountain Standard Time (MST).

The Ideal Candidate Has:

  • BS/MS in Computer Science, Software Engineering, or related field.
  • 6+ years of experience in Frontend Engineering.
  • 5+ years of hands-on experience with React and strong experience using NextJS.
  • Advanced expertise in TypeScript, including complex type modeling and scalable architecture patterns.
  • Experience designing and maintaining shared component libraries and design systems.
  • Strong experience building hybrid and enterprise-grade applications.
  • Proven experience integrating with Java/Spring services and Postgres-backed APIs.
  • Strong understanding of phased modernization strategies over legacy backend systems.
  • Deep experience with Playwright (E2E) and Jest (unit testing).
  • Strong understanding of enterprise testing strategies for data-heavy UIs.
  • Experience managing CI/CD pipelines in GitLab.
  • Experience implementing monitoring and observability strategies using Datadog.
  • Experience leading frontend modernization initiatives.
  • Retail, store operations, or supply chain system experience (strong plus).
  • Comfortable engaging with stakeholders and incorporating real-world user feedback.
  • Bonus: Android and/or iOS frontend experience.
  • Excellent communication skills in English (C1 preferred, strong B2 may be considered).

Key Responsibilities:

  • Lead frontend architecture decisions and modernization strategy.
  • Design scalable UI solutions using React, NextJS, and TypeScript.
  • Drive best practices in code quality, testing, and CI/CD automation.
  • Collaborate cross-functionally with backend, DevOps, and product teams.
  • Mentor mid-level engineers and promote engineering excellence.
  • Define testing strategies using Playwright and Jest.
  • Ensure performance optimization and monitoring using Datadog.
  • Lead phased migration from legacy systems to modern frontend architecture.
  • Incorporate user feedback and real-world retail workflows into UI improvements.

Perks of working at FusionHit:

  • Certified as a Great Place to Work, offering a supportive and inclusive work culture.
  • Work from home position
  • Corporate Access to FusionHit Udemy Account
  • Personal and Professional Development Courses & Certifications
  • Flexible Schedule
  • 3 Sick Days per year
  • Birthday Off
  • Extra Days for Special Occasions
  • Team Building Meal Reimbursement
  • Equipment Granted
  • Monthly Recognitions
  • High Impact Committees

Are you curious already?

View our Reviews on Glassdoor: FusionHit Glassdoor
Take a look at our company LinkedIn page: FusionHit Linkedin
Take a look at our company culture video: FusionHit Culture Video

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