Senior Fullstack Software Engineer – Backend-focused, Java/Spring Boot

🕒 August 28

🌐 Peru, Colombia, +2 more countries – Remote

🇵🇪 Peru – Remote 🇨🇴 Colombia – Remote 🇦🇷 Argentina – Remote 🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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FusionHit

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2010

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

FusionHit is a trusted Nearshore Agile Development partner with locations in New York and San Jose, Costa Rica. The company specializes in delivering high-quality software solutions through collaborative Agile development teams. Their services include mobile app development, UI/UX design, product development, software testing, blockchain development, and Robotic Process Automation, focusing on innovative technologies and agile processes to ensure a positive digital experience for their clients.

📋 Description

• 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. • Transform legacy platforms into scalable, maintainable, and performance-driven services. • Collaborate closely with frontend engineers, DevOps, and product stakeholders.

🎯 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). • Must reside and have work authorization in Latin America. • Significant overlap with Mountain Standard Time (MST).

🏖️ 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.