Remote Senior Backend Engineer - Java/Spring

FusionHit

United States

Remote

USD 120,000 - 180,000

Full time

5 days ago

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Benefits offered by this job

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Job summary

FusionHit seeks a Senior Fullstack Software Engineer (backend-focused) to lead backend architecture and modernization for enterprise retail and supply chain systems built on Java/Spring Boot. You will design scalable REST APIs and microservices while collaborating with frontend, DevOps, and product teams.

You will transform legacy platforms into scalable, maintainable services, with strong emphasis on performance and observability using Datadog.

Qualifications

BS/MS in Computer Science, Software Engineering, or related field.
6+ years of Backend/Fullstack Engineering experience.
5+ years with Java and Spring Boot building enterprise REST APIs and microservices.
Strong Postgres-backed data layers and API design for high-traffic retail systems.
Front-end framework familiarity (React, Next.js, Angular, or Vue) to troubleshoot end-to-end.
Experience with modern modernization strategies over legacy back-ends.
Automated testing for backend services and E2E coordination awareness.

Responsibilities

Lead backend architecture decisions and modernization for Java/Spring Boot services.
Design scalable, secure REST APIs and microservices on Postgres-backed stores.
Drive code quality, testing, and CI/CD automation.
Collaborate with frontend, DevOps, and product teams across JS stacks.
Mentor mid-level engineers and promote engineering excellence.
Ensure performance monitoring using Datadog and optimize accordingly.
Lead phased migration from legacy backends to modern service architecture.
Incorporate stakeholder feedback and retail workflow insights into design.