Senior Full-Stack Engineer – Ecommerce Platform

ClassWallet; Northern (KY); Hybrid; USD 140,000 - 180,000; Full time

Job summary

ClassWallet, a leading fintech company in the United States, is seeking a Senior Full Stack Engineer, Ecommerce to own end-to-end features on our high-volume marketplace platform.

You will design scalable backend services with Node.js/Nest.js and build responsive frontends in React/Next.js, while mentoring teammates through code reviews and architecture discussions. This hands-on role emphasizes quality, autonomy, and delivering impact for public-sector commerce.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related field.
• 5+ years of progressive software engineering experience across the full SDLC.
• Autonomy in scoping, breaking down work, and driving features to completion.
• Experience mentoring engineers through code reviews and discussions.
• 2+ years with e-commerce or high-volume SaaS platforms.

Responsibilities

• Own significant features end to end, shaping architecture and code quality.
• Build and review high-performing software in a hands-on IC role.
• Mentor engineers and raise the team's technical level through reviews and input.
• Collaborate across backend and frontend teams to deliver scalable solutions.
• Work on integrating PunchOut catalogs and procurement standards.

Skills

Full-stack development

JavaScript/TypeScript

Node.js

React

Nest.js

Code reviews

Mentorship

RESTful APIs

GraphQL

Education

Bachelor's degree in Computer Science or related field

Tools

Nest.js

React

Next.js

MySQL

MongoDB

cXML PunchOut/OCI

Job description

ClassWallet, a leading fintech company in the United States, is seeking a Senior Full Stack Engineer, Ecommerce to own end-to-end features on our high-volume marketplace platform.

You will design scalable backend services with Node.js/Nest.js and build responsive frontends in React/Next.js, while mentoring teammates through code reviews and architecture discussions. This hands-on role emphasizes quality, autonomy, and delivering impact for public-sector commerce.