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Sr Android Application Developer Jobs in Illinois

Navtech, Inc.

Android Developer

Chicago, IL · On-site

$57.50 - $75.50/hr

... application development, specifically developing robust and maintainable Android. • Strong ... and sr. technical lead for app development teams, support the technical deliverables from ...

The LaSalle Group

Android Engineer

Chicago, IL · On-site

$140K - $160K/yr

Android Engineer (Platform / Native Development) Overview A growing technology organization is ... Optimize application performance across device types and OS versions * Implement secure content ...

SpotOn

Staff Software Engineer (Android)

Chicago, IL · On-site

$188K - $230K/yr

Act as a mentor to Senior and Mid-level engineers. You will set the standard for code quality ... Ability to diagnose complex performance, reliability, and cross-layer issues across application, OS ...

SpotOn: Sales

Staff Software Engineer (Android)

Chicago, IL · On-site +1

$188K - $230K/yr

Act as a mentor to Senior and Mid-level engineers. You will set the standard for code quality ... Ability to diagnose complex performance, reliability, and cross-layer issues across application, OS ...

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All JobsSr Android Application Developer JobsSr Android Application Developer Jobs in Illinois

Sr Android Application Developer information

What does a Sr Android Application Developer do?

A Sr Android Application Developer is responsible for designing, developing, and maintaining advanced Android applications. They work closely with cross-functional teams to define, design, and ship new features, while also identifying and fixing bugs and performance issues. In addition to writing high-quality code, they often mentor junior developers, ensure best practices are followed, and stay updated with the latest Android trends and technologies.

What is the difference between Sr Android Application Developer vs Android Application Developer?

AspectSr Android Application DeveloperAndroid Application Developer
Required Experience5+ years, leadership skills1-3 years, entry to mid-level
CertificationsOptional, often preferred (e.g., Google Associate Android Developer)Optional
Work EnvironmentLeading projects, mentoring teamsDeveloping apps, coding
ResponsibilitiesDesign, architecture, team coordinationApp coding, debugging

The main difference between a Sr Android Application Developer and an Android Application Developer lies in experience, leadership, and scope of responsibilities. The senior role involves project leadership and mentoring, while the Android Application Developer focuses on coding and app development. Both roles require similar technical skills and certifications, but the senior position demands more experience and strategic input.

What are some common challenges faced by Sr Android Application Developers when working on large-scale apps?

Sr Android Application Developers often encounter challenges such as maintaining code quality and consistency across large, distributed teams, managing legacy codebases, and ensuring compatibility with a wide range of Android devices and OS versions. They may also need to address performance optimization, app security, and the integration of new features without introducing regressions. Effective communication and collaboration with designers, backend engineers, and QA specialists are crucial to overcome these challenges and deliver robust, scalable applications.

What are the key skills and qualifications needed to thrive as a Sr Android Application Developer?

To thrive as a Sr Android Application Developer, you need expertise in Java/Kotlin, Android SDK, and mobile app architecture, typically supported by a computer science degree or equivalent experience. Proficiency with tools like Android Studio, Git, and familiarity with RESTful APIs, along with certifications such as Google Associate Android Developer, are commonly required. Strong problem-solving, leadership, and communication skills help you collaborate effectively and lead projects. These skills ensure the delivery of high-quality, scalable Android applications and foster productive teamwork in dynamic development environments.
What are popular job titles related to Sr Android Application Developer jobs in Illinois? For Sr Android Application Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Sr Android Application Developer jobs in Illinois look for? The top searched job categories for Sr Android Application Developer jobs in Illinois are:
What cities in Illinois are hiring for Sr Android Application Developer jobs? Cities in Illinois with the most Sr Android Application Developer job openings:
Sr Android Application Developer jobs near you
Infographic showing various Sr Android Application Developer job openings in Illinois as of August 2026, with employment types broken down into 78% Full Time, 18% Part Time, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Senior NOMAD / Mainframe Application Developer

Alert IT Solutions

Springfield, IL • On-site

$110 - $140/hr

Other

Posted 2 days ago

New

Job description

Position Summary

We are seeking a highly skilled Senior NOMAD/Mainframe Developer, a high-performing team responsible for supporting and modernizing mission-critical Human Resources applications for the State of Illinois

This position will play a key role in the migration of three major legacy applications currently operating in a NOMAD environment. The successful candidate will help evaluate, design, and execute migration strategies to move these applications either to a NOMAD-based MVS environment or directly to an MVS platform while ensuring uninterrupted support for critical HR and Timekeeping functions used by 5,000–7,000 employees statewide.

This is a highly visible position requiring strong technical expertise, business interaction skills, and the ability to collaborate across Mainframe, MVS, and business teams.

Ideal Candidate

The ideal candidate is a hands-on NOMAD developer who understands legacy mainframe technologies, enjoys solving complex business problems, and is excited by the challenge of helping move critical applications to the next generation of the enterprise platform. The individual thrives in a collaborative environment, possesses strong communication skills, and can effectively bridge the gap between technical teams and business stakeholders.

Key Responsibilities
  • Support, enhance, and maintain mission-critical HR and Timekeeping applications running in a NOMAD/Mainframe environment.
  • Participate in the assessment, planning, and execution of migration efforts from the current NOMAD platform to MVS-based environments.
  • Analyze existing NOMAD applications, data structures, business rules, and dependencies.
  • Design and develop solutions supporting modernization and migration initiatives.
  • Work closely with business stakeholders, HR teams, payroll personnel, and operational users to gather requirements and address production issues.
  • Troubleshoot application, database, batch, and interface issues within NOMAD and MVS environments.
  • Develop and maintain technical documentation, data mappings, and migration artifacts.
  • Support system testing, integration testing, user acceptance testing, and production deployments.
  • Participate in code reviews, knowledge transfer activities, and application support rotations.
  • Collaborate with senior developers and cross-functional technical teams to ensure successful project delivery.

The team supports both NOMAD and MVS platforms and works closely with business users across the department.

Required QualificationsTechnical Skills
  • 5+ years of experience developing and supporting NOMAD applications.
  • Strong knowledge of NOMAD database structures, dictionaries, attributes, segments, and reporting capabilities.
  • Experience with NOMAD commands, queries, screens, reports, and application development.
  • Extensive Mainframe development experience.
  • Experience working within MVS/zOS environments.
  • Strong understanding of batch processing, JCL, and job scheduling.
  • Experience with data migration and legacy application modernization initiatives.
  • Knowledge of database design, data analysis, and application troubleshooting.
  • Experience supporting large enterprise business applications.
Business & Communication Skills
  • Ability to communicate effectively with both technical and non-technical stakeholders.
  • Experience working directly with business users to gather requirements and resolve issues.
  • Strong analytical and problem-solving skills.
  • Ability to work independently in a small team environment.
  • Experience supporting production-critical systems with high visibility.
Preferred Qualifications
  • Experience supporting Human Resources, Payroll, Benefits, or Timekeeping systems.
  • Experience working within government organizations or large public-sector environments.
  • Knowledge of employee lifecycle processes and workforce management systems.
  • Experience participating in platform migration or data conversion projects.
  • Familiarity with legacy system modernization strategies.
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