Senior Full Stack Web Engineer at ROI Solutions

Department: Product EngineeringSeniority in posting: Mid-level

Compensation · Listed in posting

$105,000 – $120,000/yr

Setup: Remote
Location: Medford, Massachusetts
Type: Full-time
Level: senior
Posted: Sep 3, 2026

Description

ROI Solutions is hiring a Senior Full Stack Engineer to build scalable, modern SaaS products and AI-enabled customer experiences. The role covers frontend and backend development, APIs, services, architecture, security, testing, automation, and engineering standards, while also mentoring engineers and collaborating with product, UX, and technical leadership. It is a full-time remote position available in 24 United States locations, with limited travel and the possibility of hybrid or in-office work.

Required Skills

JavaScript/TypeScript
APIs
Cloud environments
CI/CD
RAG
Vector search
Authentication and authorization
Component architecture
AI integration

Additional Information

Required Previous Experiences: Building modern web applications with frontend frameworks
JavaScript/TypeScript development
API and backend service development
Cloud application environments and deployment pipelines
Collaborative development with source control, testing, and CI/CD
Integrating AI services or AI-enabled capabilities
Scalable SaaS solution design
Engineering mentorship
Preferred Qualifications: SaaS or multi-tenant application experience
Cloud-native architecture and infrastructure
Production AI-enabled SaaS functionality
Data-intensive applications and analytics
Design systems and reusable components
AI platforms, intelligent workflows, or agent-based solutions
Translation Company Name: ROI Solutions