We are looking for Senior Fullstack Software Engineers (Backend-focused) to join FusionHit's fast-paced, high-impact environment supporting. In this role, you will lead backend architecture and modernization initiatives for enterprise retail and supply chain systems built on Java/Spring Boot, driving design decisions and elevating 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 services while collaborating closely with frontend engineers (working across multiple JS frameworks), 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 Backend/Fullstack Engineering

- 5 years of hands-on experience with Java and Spring Boot building enterprise-grade REST APIs and microservices

- Strong experience with Postgres-backed data layers and API design for high-traffic retail systems

- Working knowledge of modern JS/TS frontend frameworks (React, Next.js, Angular, or Vue), sufficient to integrate and troubleshoot end-to-end across our multi-framework frontend stack

- Strong understanding of phased modernization strategies over legacy backend systems





- Deep experience with automated testing for backend services (unit, integration, contract) and Playwright/Jest awareness for E2E coordination

- 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

- Excellent communication skills in English (C1 preferred, strong B2 may be considered)

Key Responsibilities

- Lead backend architecture decisions and modernization strategy for Java/Spring Boot services

- Design scalable, secure REST APIs and microservices on Postgres-backed data stores

- Drive best practices in code quality, testing, and CI/CD automation

- Collaborate cross-functionally with frontend, DevOps, and product teams across multiple JS framework stacks

- Mentor mid-level engineers and promote engineering excellence

- Ensure performance optimization and monitoring using Datadog

- Lead phased migration from legacy backend systems to modern service architecture

- Incorporate stakeholder feedback and real-world retail workflows into system design

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

- Adaptable Schedule

- 3 Sick Days per year

- Birthday Off

- Extra Days for Special Occasions

- Team Building Meal Reimbursement

- Equipment Granted

- Monthly Recognitions

- High Impact Committees

📌 Senior Fullstack Software Engineer (Backend-focused, Java/Spring Boot) (Perú)
🏢 FusionHit
📍 Perú