AI-First Senior Full-Stack Engineer (Hybrid)

OpenKrill; United States; Hybrid; USD 130,000 - 170,000; Full time

Job summary

ControlUp is seeking a Senior Full Stack Engineer who thinks AI-first, builds with modern tooling, and brings strong React/TypeScript front-end instincts alongside solid back-end capability.

You’ll own end-to-end features, collaborate with Engineering, Product, and Design to deliver high-quality products across the full stack, and shape AI-assisted development standards to speed delivery while preserving quality and user experience.

Qualifications

• 8+ years in software development, with meaningful full stack experience.
• Strong front-end skills in React, TypeScript, and modern JavaScript.
• Back-end proficiency — Node.js and REST/GraphQL API design.
• Demonstrable experience using AI tools in day-to-day development workflow.
• Solid CS fundamentals: data structures, design patterns, system design.

Responsibilities

• Design and build full stack features end-to-end, from React/TypeScript front ends to APIs and back-end services.
• Lead with an AI-first mindset — leveraging AI tooling throughout the development lifecycle.
• Write clean, efficient, reusable code with a strong focus on performance and user experience.
• Identify and drive improvements to development workflow, tooling, and processes — with AI accelerating delivery and quality.

Skills

React

TypeScript

JavaScript

Full stack

AI tooling

CS fundamentals

Tools

Node.js

REST/GraphQL

LLM integrations

Azure DevOps

Jest

Job description

ControlUp is seeking a Senior Full Stack Engineer who thinks AI-first, builds with modern tooling, and brings strong React/TypeScript front-end instincts alongside solid back-end capability.

You’ll own end-to-end features, collaborate with Engineering, Product, and Design to deliver high-quality products across the full stack, and shape AI-assisted development standards to speed delivery while preserving quality and user experience.