Java developer Jobs

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Lead React Native Developer

CGI -
Halifax, NS

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Job details

Full-time
$75,000–$145,000 a year

Qualifications

CI/CD
Authentication
Kotlin
Azure
Computer Science
DevOps
Mobile applications
Engineering
Firebase database
iOS
Objective-C
Android
Java
Application development
Databases
Bachelor's
JavaScript
SDKs
REST
GitHub
APIs
GraphQL
Swift
Leadership
Jenkins
TypeScript
Communication skills
React Native
Debugging
Mobile testing
Information Technology
Mobile marketing

Full job description

We are seeking a Lead Developer with 10+ years of software engineering experience, including 5+ years of hands-on experience in React Native, JavaScript, and TypeScript, to lead the design and development of high-performance, scalable, and secure cross-platform mobile applications. This role blends deep technical expertise with leadership, driving mobile architecture, platform strategy, and engineering excellence across teams.

Eligible locations: Halifax, NS / St. John's, NL / Fredericton or Moncton, NB / Stratford, PEI
Work model: Hybrid – 2/3 days per week onsite

Your future duties and responsibilities

Design, build, and maintain cross-platform mobile applications using React Native.
Lead mobile architecture decisions ensuring scalability, performance, security, and maintainability.
Establish and enforce coding standards, reusable patterns, and engineering best practices.
Optimize application performance including startup time, memory usage, rendering, and network efficiency.
Integrate REST APIs, GraphQL, Firebase, analytics tools, crash reporting, push notifications, and third-party SDKs.
Develop offline-first capabilities including local storage, caching, synchronization, and background processing.
Build and maintain native modules for Android (Kotlin/Java) and iOS (Swift/Objective-C) when required.
Collaborate with cross-functional teams including product, design, backend, QA, and security.
Drive decisions related to state management, testing strategies, CI/CD pipelines, and release processes.
Lead app releases including App Store and Play Store readiness, rollout strategies, and production monitoring.
Troubleshoot complex production issues related to performance, crashes, authentication, and device compatibility.
Mentor engineers through code reviews, design discussions, and technical guidance.
Identify technical debt, platform risks, and opportunities for modernization.
Act as a technical leader and advisor, influencing mobile strategy and roadmap decisions.

Required qualifications to be successful in this role

10+ years of experience in software engineering or mobile application development.
5+ years of experience with React Native, JavaScript, and TypeScript.
Strong expertise in React Native architecture, including hooks, navigation, rendering, native modules, and state management.
Proven experience designing scalable mobile architectures with modular and reusable components.
Strong background in performance optimization, debugging, profiling, and crash analysis.
Experience building offline-first applications with local databases, caching, synchronization, and background processing.
Hands-on experience integrating APIs, GraphQL, Firebase, analytics, and mobile SDKs.
Native mobile development experience (Android with Kotlin/Java and/or iOS with Swift/Objective-C).
Experience with mobile deployment processes including App Store and Play Store (signing, certificates, provisioning, versioning, rollouts).
Experience with CI/CD tools such as GitHub Actions, Azure DevOps, Fastlane, or Jenkins.
Strong understanding of mobile security, testing frameworks, observability, and monitoring.
Demonstrated ability to lead technical initiatives and mentor engineers.
Strong communication skills with the ability to explain technical concepts to diverse stakeholders.
Bachelor’s degree in Computer Science, Engineering, IT, or equivalent practical experience.

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes various factors including but not limited to skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $75,000 - $145,000. This is an existing vacancy.

#LI-HG
#INDCGIC

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team—one of the largest IT and business consulting services firms in the world.

Quick apply

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