Senior Full Stack Developer - AI-Driven Modernization (Java/React)

NuAxis Innovations

United States

Remote

USD 120,000 - 180,000

Full time

5 days ago

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Job summary

NuAxis Innovations seeks a Senior Full Stack Developer to modernize a legacy application into a Java/Spring Boot and React stack, guided by AI-assisted engineering practices. The role requires designing scalable services, ensuring functional parity with the legacy system, and setting standards for responsible AI usage across the team.

You will mentor mid-level developers, establish secure coding and DevSecOps practices, and integrate AI tools into the CI/CD pipeline.

Qualifications

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
5–8 years of full-stack application development experience, including at least 2 years in legacy modernization or platform migration.
One required certification and one certification obtainable after hire.
Experience with AI-assisted development tools (GitHub Copilot or Amazon Q Developer) and secure coding principles.

Responsibilities

Lead decomposition and reverse-engineering of legacy Delphi modules using AI-assisted code analysis.
Architect and build target-state Java (Spring Boot) and React front-ends with functional parity to the legacy system.
Define and enforce AI-assisted development standards, including prompts, reviews, licensing, and provenance checks.
Build automated equivalence and regression harnesses with AI-generated test scaffolding.
Integrate AI coding assistants into CI/CD with secrets hygiene and data-handling controls.
Review all AI-generated code for correctness, security, and maintainability before production.
Mentor mid-level developers on the target stack and AI-assisted engineering practices.