# Senior Fullstack Software Engineer (Backend-focused, Java/Spring Boot)

**Company:** [FusionHit](http://jobs.workable.com/companies/wvY3f7wfSGP2gGEdzg3DUK.md)
**Location:** Remote
**Workplace:** remote
**Employment type:** Full-time
**Department:** Development

[Apply for this job](http://jobs.workable.com/view/6ece9292-5f7a-4d50-bb6c-ffc75b1ffd91)

## Description

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.
-   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.