Senior Fullstack Software Engineer (Frontend-focused)

FusionHit; Comisión de Fomento de Perú; Presencial; PEN 403.000 - 605.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Great Place to Work-certified

Work from home

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

Descripción de la vacante

FusionHit is seeking Senior Fullstack Software Engineers (Frontend-focused) to drive UI modernization across enterprise retail and supply chain systems. You will lead architecture decisions and elevate frontend standards while collaborating with backend engineers and product stakeholders.

Remote in LatAm, with overlap to MST, you will transform legacy platforms into scalable, high-performance applications and shape cross-functional frontend strategies across multiple JS frameworks.

Formación

• 6+ years in Fullstack/Frontend Engineering.
• 5+ years with modern JS/TS frontend frameworks (React/Next.js/Angular/Vue).
• Advanced TypeScript with scalable architecture patterns.
• Experience designing shared component libraries and design systems.
• Working knowledge of Java/Spring Boot and PostgreSQL REST APIs.
• Experience with CI/CD pipelines in GitLab.
• Experience with Playwright (E2E) and Jest (unit testing).
• Retail, store operations, or supply chain systems is a plus.
• Excellent English communication (C1+).

Responsabilidades

• Lead frontend architecture decisions across multiple JS framework stacks.
• Design scalable UI solutions and integrate with Java/Spring Boot APIs.
• Drive code quality, testing, and CI/CD automation.
• Collaborate 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 Datadog monitoring.
• Lead phased migration from legacy systems to modern frontend architecture.
• Incorporate user feedback and retail workflows into UI improvements.

Conocimientos

Frontend architecture

JS/TS frameworks

TypeScript

UI design systems

CI/CD (GitLab)

Datadog observability

Playwright & Jest

English communication

Educación

BS/MS in Computer Science or related field

Herramientas

Java/Spring Boot

PostgreSQL REST APIs

Descripción del empleo

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 modelling 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