Senior Fullstack Software Engineer (Frontend-focused)

About the role

FusionHit is seeking a senior full‑stack engineer with a strong frontend focus to lead UI modernization for enterprise retail and supply‑chain systems. You will shape architecture, build scalable interfaces, and collaborate closely with backend, DevOps, and product teams.

Key responsibilities

• Define and drive frontend architecture and modernization strategy across multiple JavaScript frameworks.
• Design scalable UI components, integrate with Java/Spring Boot APIs, and ensure performance monitoring with Datadog.
• Lead best‑practice adoption in testing (Playwright, Jest), CI/CD automation (GitLab), and component library maintenance.
• Mentor mid‑level engineers and guide phased migration from legacy platforms.

Required profile

• BS/MS in Computer Science or related field with 6+ years of full‑stack/frontend experience.
• Strong communication in English (C1 preferred) and ability to work remotely in Latin America with overlap to MST.

Required skills

• Modern JavaScript/TypeScript frameworks: React, Next.js, Angular, Vue.
• TypeScript advanced typing and architecture patterns.
• Java/Spring Boot, PostgreSQL‑backed REST APIs.
• Playwright (E2E) and Jest (unit) testing.
• GitLab CI/CD pipelines and Datadog observability.

What we offer

• Great Place to Work certification and inclusive culture.
• Fully remote work with flexible schedule.
• Professional development courses and certifications.
• Paid time off: 3 sick days, birthday off, extra days for special occasions.
• Equipment provision, meal reimbursements, monthly recognitions.