Mobile Developer - Dexian DISYS : Job Details

Title - Mobile Developer

Location - Chicago IL

Duration - Long-term Contract (extension/conversion)

Key Responsibilities

• Framework & SDK Development

Architect and implement modular, reusable iOS (Swift/Objective-C) and Android (Kotlin/Java) SDKs and libraries

Define and enforce design patterns (MVC, MVVM, Clean Architecture) across accelerator modules

• Hybrid & PWA Integration

Build and maintain bridges for React Native and PWA micro-frontends within native shells

• CI/CD & Automation

Design and optimize end-to-end pipelines using Azure DevOps and GitHub Actions (Fastlane, Firebase App Distribution, Play/App Store publishing)

Develop automated UI and regression testing suites (XCTest, Espresso, Appium)

• Performance & Quality Engineering

Profile, benchmark, and tune app performance (Instruments, Android Profiler)

Integrate static analysis and security scans (SonarQube, Checkmarx, Zimperium RASP)

• Security & Compliance

Implement secure storage, encryption, certificate pinning, and OAuth/OIDC best practices (Okta, Entra ID)

Ensure alignment with financial-services compliance (PCI-DSS, ISO 20022 data handling)

• Telemetry & Monitoring

Instrument analytics, crash-reporting, and alerting (Firebase, Dynatrace, Google Analytics, Crashlytics)

Build dashboards for real-time health and usage metrics

• Collaboration & Enablement

Mentor and guide product-team engineers in adopting accelerator components

Drive documentation, sample apps, and workshops to increase framework adoption

Required Qualifications

• 5+ years of native iOS (Swift/Objective-C) and Android (Kotlin/Java) development
• Demonstrated experience building and publishing reusable SDKs/libraries
• Expertise with Azure DevOps and/or GitHub Actions for mobile pipelines
• Hands-on experience with Docker and Azure Kubernetes Service (AKS) for container orchestration
• Strong understanding of mobile app security, encryption, and OAuth/OIDC flows
• Proven track record in performance profiling and static-analysis integration
• Excellent written and verbal communication; ability to craft clear docs and samples
• Bachelors or master's in computer science, Software Engineering, or equivalent

Preferred Experience

• Hybrid/mobile web expertise: React Native or PWA micro-frontend patterns
• Background in financial-services or regulated-industry mobile apps
• Familiarity with API gateway patterns (Akamai, Azure Front Door & APIM, GCP)
• Exposure to enterprise-scale mobile security tools (Zimperium, NowSecure)
• Scrum/Agile practitioner with experience writing epics, features, and user stories

Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations worldwide. As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants. Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals.

Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit to learn more.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.