Senior Android Mobile Engineer

3Core Systems , Inc•Miami, FL

7d•Hybrid

About The Position

The Senior Engineer, Software plays a critical role in the development and enhancement of mobile applications across iOS, Android, and hybrid platforms. This position is responsible for designing, building, and maintaining high-quality, scalable, and secure mobile solutions while ensuring alignment with industry best practices and business objectives. The Senior Engineer, Software is able to take business requirements all the way to project delivery. This role requires deep expertise in native iOS (Swift) and Android (Kotlin) development, as well as experience with hybrid frameworks such as React Native or Flutter. As part of the development team, the Senior Engineer, Software provides mentorship and technical guidance to junior developers, fostering a culture of continuous learning and innovation. The role also involves troubleshooting and optimizing mobile applications to enhance user experience and maintain operational efficiency. Collaboration is a key aspect of this role, requiring close interaction with product managers, designers, backend developers, and QA teams to deliver high-quality mobile solutions. The Senior Engineer, Software works within Agile development frameworks, ensuring timely delivery of features while maintaining software excellence. This position requires strong problem-solving skills, the ability to work in a fast-paced environment, and a commitment to staying updated with emerging mobile technologies. The Senior Engineer, Software plays a crucial role in ensuring that mobile applications support the organization's digital strategy and provide a seamless experience for users.

Requirements

5+ years’ Experience as a Senior Engineer, Software (Mobile)
5+ years’ Experience performing application reviews as it relates to quality, performance, security, and compliance.
5+ years’ Experience with DevOps /Automation tools and practices.
5+ years’ Experience identifying, investigating, and resolving recurring or major IT issues.
5+ years’ Experience coordinating and managing changes to IT Systems and infrastructure, ensuring changes are implemented smoothly.
5+ years’ Experience with Native and Hybrid Mobile Technologies. Proficiency in Swift/Objective-C for iOS development and Kotlin/Java for Android development. Experience with hybrid frameworks such as React Native or Flutter for cross-platform development. Familiarity with HTML5, CSS3, JavaScript/TypeScript for mobile web development.
5+ years Mobile Application Deployment & Analytics. Hands-on experience with mobile analytics tools (e.g., Firebase, Google Analytics, Mixpanel). Expertise in deploying and managing mobile applications on the Apple App Store and Google Play Store, including compliance with their policies and guidelines.
5+ years Mobile SDK Development & API Integration. Skilled in designing and developing mobile SDKs and integrating applications with RESTful APIs, GraphQL, and third-party services. Experience working with OAuth, JWT, and other authentication protocols for secure API interactions.
5+ years Mobile Security & Performance Optimization. Strong understanding of mobile security best practices, including data encryption, secure storage, and biometric authentication. Experience optimizing mobile applications for performance, battery efficiency, and memory management.
5+ years Multi-Platform Development Frameworks. Experience with at least one mobile development framework (e.g., Xamarin, Flutter, React Native) for targeting multiple operating systems. Knowledge of platform-specific UI/UX guidelines (Material Design for Android, Human Interface Guidelines for iOS).
5+ years Object-Oriented Programming & Software Architecture. Strong understanding of Object-Oriented Programming (OOP), SOLID principles, and mobile architectural patterns (MVVM, MVP, Clean Architecture). Familiarity with dependency injection frameworks (e.g., Dagger, Hilt for Android, or Swinject for iOS).
5+ years’ Experience in collaborating within large projects.
5+ years’ Experience in ITIL and IT project management via various SDLCs (i.e. Agile, Waterfall, Hybrid, etc.)
5+ years’ Experience formally leading multiple projects until delivery of software
1+ years in the cruise and/or travel industry.
Android
Kotlin
Android Studio
Xcode
Java
Swift
Compose
MVVM
Object C
Swift UI
Dependency Injection
Business domain expertise and associated systems used within the specific portfolio.
Excellent understanding of interfaces, inheritance and how they are used.
Excellent understanding of solid design principles and best practices.
Excellent knowledge of architectural styles and patterns.
Excellent knowledge of design patterns.
Excellent knowledge of debugging techniques.
Excellent knowledge of code quality and craftsmanship.
Excellent knowledge of classes and functions and in what layer they should be placed.
Excellent knowledge of cloud platforms (AWS, Azure, or Google Cloud) and microservices.
Advanced skills in critical thinking, creative problem solving, and root cause analysis with the ability to lead teams through this process.
Ability to quickly pivot to changing priorities while managing multiple deadlines.
Outstanding analytical skills and attention to detail with exceptional business acumen.
Ability to manage (both for self and others) multiple tight deadlines, prioritize workload and achieve exceptional results.
Ability to write comprehensive and concise technical communications (i.e. email, reports, presentations) to be consumed by non-technical individuals including executive management.
Ability to create PowerPoint presentations that are informative and engaging and deliver them to various audiences including executive management. Comfortable presenting to senior executives.
Exceptional communication, team building, conflict management, and organizational skills.
Excellent track record of working collaboratively and leading cross-functional teams to achieve common goals and drive exceptional results.
Proven ability to quickly learn and teach new technologies and concepts.
Ability to successfully navigate team dynamics.

Responsibilities

Lead the design and development of mobile application architectures, ensuring the selection of appropriate frameworks, libraries, and technologies for both native (iOS/Android) and hybrid solutions.
Define key components, modules, and their interactions while ensuring scalability, maintainability, and alignment with the overall software ecosystem.
Collaborate with architects and technical leads to align mobile solutions with enterprise architecture and business strategy.
Work closely with product owners, UX/UI designers, and business stakeholders to gather and analyze requirements, translating them into technical solutions.
Create and maintain technical documentation, including architectural diagrams and development guidelines.
Develop high-quality, maintainable, and testable code while ensuring adherence to industry standards and best practices.
Conduct code reviews, enforce best practices, and ensure compliance with mobile development standards, security protocols, and accessibility guidelines.
Implement security measures, including encryption, authentication, and secure API integrations, to protect user data and ensure regulatory compliance.
Stay up to date with security vulnerabilities and emerging threats in mobile development.
Optimize mobile applications for performance, battery efficiency, and responsiveness.
Identify and address performance bottlenecks, memory leaks, and latency issues.
Work closely with DevOps and infrastructure teams to define deployment strategies, monitoring solutions, and best practices for ensuring high availability and scalability.
Provide accurate estimates for development efforts and collaborate with project managers to define project scope, timelines, and risks.
Actively participate in Agile development processes, including sprint planning, daily stand-ups, and retrospectives.
Assist in troubleshooting and resolving technical issues during development and post-release.
Stay abreast of emerging mobile technologies, tools, and frameworks to drive continuous improvement and innovation.
Evaluate and implement new technologies that enhance user experience, improve development efficiency, or address business needs.
Lead proof-of-concept initiatives to assess the viability of new solutions and methodologies.
Mentor junior and mid-level developers, providing technical guidance and best practices for mobile development.
Foster a culture of collaboration, innovation, and continuous learning within the development team.
Advocate for mobile development excellence and contribute to defining engineering standards and practices across the organization.