Senior Fullstack Software Engineer (Frontend-focused)

We are looking for Senior Fullstack Software Engineers (Frontend-focused) to join FusionHit's fast-paced, high-impact environment supporting. In this role, you will lead UI modernization initiatives for enterprise retail and supply chain systems, driving architecture decisions and elevating frontend engineering standards across teams, while remaining comfortable working across the stack.

You will play a key role in transforming legacy platforms into scalable, maintainable, and performance-driven applications while collaborating closely with backend engineers building Java/Spring Boot services, DevOps, and product stakeholders.

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

Location

Remote - Latin America (must reside and have work authorization in LatAm)

Availability

Significant overlap with Mountain Standard Time (MST)

Requirements

BS/MS in Computer Science, Software Engineering, or related field

6+ years of experience in Fullstack/Frontend Engineering

5+ years of hands-on experience with modern JS/TS frontend frameworks (React, Next.js, Angular, or Vue) - our stack spans multiple frameworks across projects

Advanced expertise in TypeScript, including complex type modeling and scalable architecture patterns

Experience designing and maintaining shared component libraries and design systems

Working knowledge of Java/Spring Boot backend services and Postgres-backed REST APIs, sufficient to integrate and troubleshoot end-to-end

Strong understanding of phased modernization strategies over legacy backend systems

Deep experience with Playwright (E2E) and Jest (unit testing)

Experience managing CI/CD pipelines in GitLab

Experience implementing monitoring and observability strategies using Datadog

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 across multiple JS framework stacks

Design scalable UI solutions and integrate with Java/Spring Boot APIs

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

Benefits

Certified as a Great Place to Work, offering a supportive and inclusive work culture

Work from home position

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

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