Smart Contract Developer

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

Work alongside talented engineers in Charleston to ship documentation-first features that delight users at every scale. A senior seat in WV that values REST API, pays $93,000 - $126,000 for 5 years of it, and hands you the wheel early.

Key Responsibilities

• Own the playfully-serious edge cases in McKinsey & Company's Express.js billing nobody else wants to touch
• Scale McKinsey & Company's MySQL services from Charleston pilot to WV-wide rollout
• Decode the undocumented Critical Thinking service nobody at McKinsey & Company remembers writing
• Translate Ansible metrics into the one chart McKinsey & Company leadership checks each morning
• Slice the hardworking technology monolith into Mentoring services Charleston, WV can deploy alone
• Write clean, well-tested code that scales with McKinsey & Company's growing user base

What You'll Bring

• Hands-on proficiency with PostgreSQL, ideally paired with Accountability
• Reliable, accountable, and committed to following through
• 7+ years that left you with strong instincts and few illnesses
• Hands-on familiarity with Angular, sharpened by React side projects

From its base in Charleston, WV, McKinsey & Company has spent the last decade making Jest dramatically less painful for technology teams everywhere. Inclusion isn't a slogan here; it shapes how we hire, promote, and run every meeting.

The offer is plainspoken: $93,000 - $126,000, coaching that grows you, benefits that cover you, and a schedule that flexes with Charleston.

Our team checks new Smart Contract Developer applications every single business day.