Senior Software Engineer – Mobile Engineer

Job not on LinkedIn

🔥 20 hours ago

🌽 Illinois – Remote

🌽 Illinois – Remote

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 25%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Ontrac Solutions

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2010

🤖 Artificial Intelligence

💼 Consulting

🤝 B2B

Artificial Intelligence • Consulting • B2B

Ontrac Solutions is an AI-first technology services firm that helps organizations design, implement, and scale AI-driven systems, cloud architectures, and enterprise platform integrations. They provide AI strategy and generative AI implementation (including RAG and intelligent search), cloud migration and optimization (multi-cloud architecture, Kubernetes, Terraform, GitOps, and FinOps), data and integration engineering, CRM/CMS/e-commerce platform development, and embedded technical talent / staff augmentation to move AI from experimentation into production. With innovation hubs in Chicago and Karachi, Ontrac focuses on delivering production-ready AI and cloud solutions that drive measurable business outcomes.

📋 Description

• 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 • Maintain the build and distribution pipeline for both platforms • Work closely with the client technical lead, backend engineering team, and customer stakeholders from initial definition through final delivery • Own a feature area end to end with minimal supervision

🎯 Requirements

• 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 • 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 • 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) • Contractor program supporting a state government professional licensing and regulatory compliance platform