Developer Jobs in Hanover Park, IL

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1mo ago

Full Stack Developer

Total Technology Solutions Group Hanover Park, IL

Hanover Park, IL

1mo ago Closed

$100k - $110k/yr Full time API APIs Database

This position is no longer accepting applications (closed Jul 21, 2026).

Job Description

Total Technology Solutions Group is investing in custom internal software to empower our teams. As a Full Stack Developer for internal applications, you will own the technical lifecycle of internal tools from concept to production, including architecture decisions, deployment, and ongoing maintenance. This hybrid role in Hanover Park, IL offers a salary range of USD 100,000 - 110,000 per year.

Responsibilities

Transform working prototypes into production-grade applications that teams rely on.
Select the appropriate framework, architecture, and hosting for each tool, from simple single-page apps to systems with backends, databases, and authentication.
Deploy, monitor, maintain, and enhance a growing portfolio of internal tools.
Own bug triage, documentation, and version control across the portfolio.
Integrate tools with third-party APIs and services.
Collaborate directly with the Director to refine each tool from initial version to final release.

Requirements

2–4 years of professional full-stack development experience, ideally including tools you built and maintained over time.
Strong JavaScript and React skills (HTML/CSS included). You code it directly, not just patch it.
Experience with REST API integration and authentication—able to wire tools into external services and handle auth correctly.
Git and disciplined version control practices.
Good credential hygiene—no API keys in frontend code, proper use of environment variables.
Sound architectural judgment, able to explain why a tool should be a frontend app or why it needs a backend or database.

Technologies

JavaScript
React
HTML
CSS
TypeScript
Node.js
Netlify
Vercel
SQL database

Benefits

401(k)
401(k) matching
Dental insurance
Health insurance
Vision insurance

Internal Applications Developer

Location: Hanover Park, IL (on-site)
Type: Full-time
Reports to: Director of Business Systems & Process Optimization

About the Role

TTSG and its affiliated companies are investing in custom internal software to equip our teams with faster, sharper, and more capable tools. You will own the technical side of this effort end to end, turning validated ideas into real, reliable applications used by employees across our companies, and you will maintain responsibility for deployment, maintenance, and ongoing improvements. This build-and-own position provides a direct line to the leader driving the work, giving you autonomy over architecture, frameworks, and deployment decisions.

Nice to Have

TypeScript, Node.js, or experience with a backend language and a SQL database.
Experience deploying to Netlify, Vercel, or similar platforms.
A track record of building internal or business tools rather than consumer-focused products.
Comfort working with AI coding tools as part of your workflow.

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