Lead Android Developer

Job Title: Lead Android & API Architect

Location: Chicago, IL (Onsite/Hybrid)
Type: 4-Month Contract-to-Hire
Conversion Requirement: Must be willing to convert full-time without sponsorship

Job Summary:

We are seeking a highly skilled Lead Android & API Architect to drive the design and development of enterprise-grade Android applications and robust Spring Boot APIs. This role is ideal for a hands-on architect with deep experience in mobile systems, backend integration, and enterprise infrastructure. You will lead technical strategy, mentor engineers, and play a key role in delivering scalable, secure, and high-performance solutions across a mobile-first platform.

Key Responsibilities:

• Architect and implement scalable Android applications and Spring Boot APIs.
• Lead development for Zebra device-based barcode scanning apps with offline support and rugged device tuning.
• Design and optimize RESTful APIs integrating with SAP (OData, BAPI, RFC), Apigee, and Azure App Gateway.
• Manage Android OS upgrade cycles and MDM-based rollouts across enterprise environments.
• Oversee push notification architecture using FCM, including backoff strategies and queue management.
• Conduct performance monitoring and diagnostics using Dynatrace, Kibana, and Adobe Analytics.
• Collaborate with infrastructure teams to align mobile API strategy with enterprise cloud architecture.
• Produce high-quality documentation including UML diagrams, sequence flows, and architecture specs.
• Mentor developers and enforce best practices in mobile and backend development.
• Influence CI/CD pipeline improvements and mobile security standards.

sRequired Skills & Experience:

• Android Development: Kotlin, Java, Jetpack, custom views, memory management.
• Architecture: MVVM, MVI, Clean Architecture.
• Backend: Spring Boot, API security, versioning, performance tuning.
• Push Notifications: FCM, retry strategies, message queues.
• Enterprise Integration: SAP services, Apigee, Azure App Gateway, Ping Identity.
• Diagnostics: Dynatrace, Kibana, Adobe Analytics.
• Database: SQLite, sync patterns, schema versioning.
• Device Expertise: Zebra devices, barcode libraries, rugged device optimization.
• Documentation: UML, sequence diagrams, architecture flows.

Nice-to-Haves:

• Certifications in Android, Spring, Azure, or enterprise architecture.
• Contributions to open-source Android or backend frameworks.
• Experience with hybrid cloud (AWS/Google Cloud Platform) or Kubernetes.
• Deep understanding of enterprise mobile security patterns.

Education & Background:

• Bachelor's or Master's in Computer Science, Engineering, or related field.
• 5+ years of senior-level experience in Android and backend API development.

Pay and Benefits
The pay range for this position is $85.00 - $85.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Chicago,IL.
Application Deadline
This position is anticipated to close on May 29, 2025.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.