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Typescript Contractor Jobs in Chicago, IL (NOW HIRING)

YO AI Labs

DevOps Engineer - Remote

Chicago, IL · Remote

$50 - $150/hr

Contractor Location: Remote Job Overview We are seeking experienced DevOps Engineers to create and ... Strong coding skills in Python, Go, Bash, or TypeScript . * Hands-on experience with CI/CD tools ...

YO AI Labs

AI Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

RL Environment Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Backend Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Backend Developer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI Technical Trainer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI Trainer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI/ML Software Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI Software Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI coding agents Expert - Remote

Chicago, IL · Remote

$80 - $120/hr

Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

United Airlines, Inc.

Senior Developer - AI

Chicago, IL · On-site

$56.25 - $74.25/hr

Write clean, maintainable, and well-documented code in Python, TypeScript, and .NET/C# * Implement ... Collaborate with cross-functional teams consisting of employees and vendor contractors in planning ...

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Infographic showing various Typescript Contractor job openings in Chicago, IL as of August 2026, with employment types broken down into 72% Full Time, 9% Part Time, and 19% Contract. Highlights an 84% In-person, and 16% Remote job distribution.

Sr. Software Engineer - Mobile Engineer

Ontrac Solutions

Chicago, IL • On-site, Remote

$137K - $172K/yr

Contractor

Posted 3 days ago

New

Job description

OVERVIEW

We are seeking a highly skilled and experienced Senior Software Engineer (Mobile) to join a contractor program supporting a critical customer engagement: a state government professional licensing and regulatory compliance platform built on Google Cloud. This role is ideal for a senior mobile engineer who has shipped offline-first React Native applications to production on iOS and Android and can own a feature area end to end with minimal supervision. The successful candidate will work closely with the client technical lead, the backend engineering team, and customer stakeholders to ensure project success from initial definition through final delivery.

Expected start date: 5 October 2026.

REQUIRED CREDENTIALS

7+ years of professional software engineering experience, including 3+ years with React Native

At least one production application shipped to the Apple App Store or Google Play, or through enterprise distribution

Bachelor's degree in Computer Science or equivalent practical experience

REQUIRED QUALIFICATIONS

React Native and TypeScript, including the Expo toolchain

Comfortable working in the native iOS and Android layers (Xcode, Android Studio) to integrate, configure, and debug native modules

Offline-first architecture: local SQLite storage, encryption at rest, and data synchronization

Device hardware integration: camera, barcode/QR scanning, signature capture, GPS

Authentication with OIDC/OAuth 2.0 (Okta or comparable) and secure token storage

REST API integration against backend services

Mobile testing with Jest and an E2E framework such as Detox or Maestro

USEFUL QUALIFICATIONS

Enterprise tablet deployment and mobile device management

Familiarity with Google Cloud Platform services

Experience in government or regulated environments

Mobile accessibility (WCAG 2.1 AA)

Mobile CI/CD (EAS, Fastlane, GitHub Actions)

SCOPE AND SOLUTION EXPECTATIONS

Below covers the scope of work we anticipate the contractor supporting throughout the project timeline.

Build the offline-first field inspection tablet application on React Native / Expo for iPadOS and Android enterprise tablets

Implement encrypted local storage for inspection checklists, violation records, and draft reports

Implement barcode/QR credential scanning and digital stylus signature capture

Implement photo evidence capture with timestamping and geotagging

Build the background data synchronization engine between device and backend

Integrate Okta authentication and secure session handling for field-deployed devices

Deliver unit and E2E test coverage, participate in code reviews, and maintain the build and distribution pipeline for both platforms

Employment Type: CONTRACTOR

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