WV-Based Senior Smart Contract & Backend Engineer

Energy Innovation Corp; Charleston (WV); On-site; USD 93,000 - 126,000; Full time

Benefits offered by this job

Coaching program

Benefits that cover you

Job summary

McKinsey & Company in Charleston, WV is seeking a Senior Developer to own complex backend and API work, focusing on Express.js billing scenarios and scalable data infrastructure. You will scale MySQL services across West Virginia and translate metrics into clear, actionable insights for leadership.

The role values accountability, strong coding practices, and collaboration with cross-functional teams in a documentation-first environment.

Qualifications

• 7+ years of experience with frontend/backend development and problem solving.
• Hands-on with PostgreSQL and REST APIs.
• Experience with Angular and React side projects.

Responsibilities

• Own edge cases in Express.js billing and related APIs.
• Scale MySQL services from Charleston pilot to WV-wide rollout.
• Translate undocumented metrics into actionable dashboards for leadership.

Skills

PostgreSQL

Angular

React

Express.js

MySQL

Tools

Jest

Ansible

Job description

McKinsey & Company in Charleston, WV is seeking a Senior Developer to own complex backend and API work, focusing on Express.js billing scenarios and scalable data infrastructure. You will scale MySQL services across West Virginia and translate metrics into clear, actionable insights for leadership.

The role values accountability, strong coding practices, and collaboration with cross-functional teams in a documentation-first environment.