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Mobile Application Developer; iOS and Android

Job in Chicago, Cook County, Illinois, 60290, USA
Listing for: Blockchain Technologies. LLC
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    App Developer - Mobile/Web, Full Stack Developer
Job Description & How to Apply Below
Position: Mobile Application Developer (iOS and Android)

Mobile Application Developer (iOS and Android)

Location:

Chicago, IL

Duration: 12

Months+ Extension

Hourly Rate:
Depending on Experience (DOE)

Job Summary

Create, maintain and implement the source code to develop mobile apps and programs that meet the needs and requirements of the clients using the computer programming languages.

Primary Responsibilities
  • Support the entire application lifecycle (concept, design, test, release and support) – produce fully functional mobile applications writing clean code.
  • Gather specific requirements and suggest solutions. Write unit and UI tests to identify malfunctions. Troubleshoot and debug to optimize performance.
  • Design interfaces to improve user experience. Liaise with Product development team to plan new features. Ensure new and legacy applications meet quality standards – research and suggest new mobile products, applications and protocols. Stay up-to-date with new technology trends.
Qualifications
  • Proven work experience as a Mobile developer.
  • Demonstrable portfolio of released applications on the App Store or the Android market. In-depth knowledge of at least one programming language like Swift and Java. Experience with third‑party libraries and APIs.

BLOCKCHAIN TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. BLOCKCHAIN TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters.

Nor will BLOCKCHAIN TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.

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