Senior Software Engineer
Haystack
seniorpermanentfullstack United States 3 days ago via LinkedIn
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PHPLaravelVue.jsJavaScriptRESTful APIsLegacy ModernizationCode ReviewTestingDocumentationGit
About the role
Role Overview
As a Senior Software Engineer, you will architect and lead the migration of legacy applications to modern frameworks and guide end-to-end delivery of modern web applications.
Responsibilities
- Architect and lead migration of legacy applications to modern frameworks
- Guide design, development, and deployment of modern web applications
- Use AI-assisted development tools to speed development and improve code quality
- Mentor team members and foster knowledge-sharing
- Write clean, secure, and efficient code with strong focus on documentation and testing
- Review and approve peer code to maintain quality and consistency
Requirements
- 8+ years of professional experience in full-stack PHP development
- Deep expertise in Laravel
- Proven experience transitioning applications from legacy frameworks
- Strong proficiency in modern JavaScript frameworks, especially Vue.js
- Front-end fundamentals: HTML, CSS, and preprocessors
- Proficiency with Git and Unix/Linux command line
- Experience building and integrating RESTful APIs
Nice-to-haves / Benefits
- Medical, Dental, and Vision insurance
- 401(k) with employer match
- Paid time off and federal holidays
- Training and professional development opportunities
About Haystack
Haystack works with a leading IT services provider specializing in healthcare solutions for government clients. The organization modernizes critical legacy systems and delivers innovative cloud-based solutions in a collaborative, technology-forward environment.
Scraped 8/1/2026