Senior Fullstack Software Engineer (Frontend-Focused)

FusionHit; Comisión de Fomento de Perú; Remote; ARS 137,078,000 - 213,233,000; Full time

Benefits offered by this job

Great Place to Work

Work from home

Development Courses

Flexible Schedule

Sick Days

Birthday Off

Extra Days for Special Occasions

Team Meal Reimbursement

Equipment Granted

Monthly Recognitions

High Impact Committees

Job summary

FusionHit is seeking a Senior Fullstack Software Engineer with a frontend focus. This remote role targets Latin America, overlapping MST hours.

You will lead UI modernization across multiple JS frameworks, work with backend Java/Spring Boot services, and elevate frontend standards while guiding teams and mentoring engineers. Ideal candidates have 6+ years in Fullstack/Frontend, strong TypeScript, and experience with Playwright/Jest, CI/CD in GitLab, and Datadog monitoring.

Qualifications

• BS/MS in Computer Science or related field.
• 6+ years in Fullstack/Frontend engineering.
• 5+ years with modern JS/TS frameworks (React/Next.js/Angular/Vue).
• Strong TypeScript skills and scalable architecture.
• Experience with shared component libraries and design systems.
• Knowledge of Java/Spring Boot and Postgres REST APIs.
• CI/CD with GitLab and observability with Datadog.
• Retail/store or Supply Chain domain a plus.
• Excellent English communication

Responsibilities

• Lead frontend architecture and modernization across JS stacks.
• Design scalable UI and connect to Java/Spring Boot APIs.
• Promote code quality, testing, and CI/CD automation.
• Collaborate with backend, DevOps, and product teams.
• Mentor mid-level engineers and drive engineering excellence.
• Define testing strategies with Playwright and Jest.
• Ensure performance monitoring with Datadog.
• Guide phased migration from legacy to modern frontend.
• Incorporate user feedback and real-world retail workflows.

Skills

TypeScript

React

Next.js

Angular

Vue.js

Playwright

Jest

GitLab CI/CD

Datadog

English communication

Education

BS/MS in Computer Science or related field

Tools

GitLab

Playwright

Jest

Datadog

Job description

Senior Fullstack Software Engineer (Frontend-focused)

Empresa: Fusionhit

Tipo de empleo: Tiempo completo

Remote / Work from Home

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.