Senior Fullstack Software Engineer (Frontend-focused)

FUSIONHIT INC

Latin America, United States

6 days ago

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Role details

Contract type

Permanent contract

Employment type

Part-time (≤ 32 hours)

Experience level

Expert

Experience required

5 years minimum

Working hours

Regular working hours

Languages

English

Job source

arc.dev

Tech stack

Java (Programming Language) JavaScript (Programming Language) Application Programming Interfaces (APIs) Apple IOS Unit Testing Software Quality Continuous Integration DevOps Monitoring of Systems PostgreSQL Performance Tuning Next.js

+17 more

Software Engineering Strategies of Testing TypeScript Datadog ReactJS Delivery Pipeline Spring-boot Backend Gitlab Vue.js AngularJS Material UI Information Technology Playwright Front End Software Development Restful APIs Legacy Systems

Job description

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., * 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

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)

Benefits & conditions

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