.NET Software Engineer​/ago

Lead Developer - Mobile & Backend Ecosystem (Chicago, IL)

Open Kyber has a client in Chicago, IL seeking a Lead Developer to own the end-to-end technical execution of a mobile and backend ecosystem.

This role is ideal for a hands‑on technical leader who can guide architecture, mentor developers, drive quality, and deliver a stable, production‑ready mobile experience. The ideal candidate must be equally comfortable designing scalable systems, building mobile architectures leveraging Angular + Ionic/Capacitor, and setting engineering standards across web and mobile environments.

• Lead the architecture and development of an Angular application wrapped with Ionic/Capacitor.
• Act as a player/coach, providing hands‑on leadership while mentoring developers.
• Own iOS build pipelines, signing, versioning, and deployment workflows.
• Ensure best practices in performance, security, UX quality, and offline support for mobile applications.
• Own the full architecture across mobile, backend services, messaging layers, and data persistence.
• Lead design decisions for:
  • Event‑driven integration patterns (e.g., kiosk; Backend; Mobile).
  • Push notifications and real‑time data updates.
  • Authentication flows (SSO, token strategies, authorization models).
• Ensure reliability, scalability, and adherence to enterprise engineering standards.
• Develop and optimize engaging, responsive web applications and sites.
• Bridge design and development teams, ensuring high‑quality implementation of UI/UX concepts.
• Ensure cross‑browser compatibility, responsive layouts, and optimized performance.
• Conduct benefit analysis and recommend technical pathways and enhancements.
• Stay current with emerging web technologies, industry patterns, and modern frameworks.
• Set development standards, coding guidelines, and quality expectations.
• Conduct regular code reviews and ensure adherence to engineering best practices.
• Collaborate closely with QA to ensure production‑ready releases.

• Bachelor's degree in Computer Science, Engineering, or related field required.

• Angular, Ionic, and Capacitor/Cordova.
• HTML5, CSS3, and JavaScript.
• Modern JS frameworks (jQuery, Ember, Angular
  
  JS, etc.).
• Responsive web design and fluid layouts.
• Cross‑browser behavior/issues.
• CSS3 animations.
• UX best practices.

• Experience with REST APIs, AJAX, JSON, XML (XSD, XSL, XPath), and template/MVC frameworks.
• Strong experience with:
  • Object‑oriented programming (Java, C#, .NET, PHP, Ruby).
  • Relational databases and advanced SQL.
  • Cloud technologies (AWS preferred).

• Strong command of Git, SVN, or TFS.
• Ability to manage CI/CD pipelines.
• Ability to configure and host websites using IIS or Apache.
• Experience building reusable JavaScript libraries and components.

• Strong problem‑solving and communication abilities.
• Ability to articulate ideas and bring forward new concepts.
• Thrives in a complex, dynamic environment.
• Skilled at collaborating across cross‑functional teams.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

For applications and inquiries, contact:

Open Kyber is an Equal Opportunity/Affirmative Action Employer.