Mobile App Tech Lead

Location:
Petaling Jaya, Selangor

About Horizontal:
Established since 2003 in the US, Horizontal solves complex challenges across two distinct businesses: Horizontal Digital and Horizontal Talent. We are consistently recognized for being a top workplace and one of the fastest-growing private companies. Horizontal Talent specializes in staffing for IT, Digital & Creative, and Business & Strategy markets. We have global offices in the US, UAE, India, Malaysia & Australia.

About the Role:
We are seeking a highly skilled
Mobile App Tech Lead
with deep expertise in
React Native
to drive the design, development, and delivery of cutting-edge mobile applications. As a Tech Lead, you will play a key role in setting technical direction, mentoring developers, and ensuring high-quality, scalable, and secure mobile solutions.

Key Responsibilities
Application Development
As a core contributor, you'll drive the development of our mobile applications.

• Platform-Specific Mastery: Develop specialized platform-specific code for React Native, leveraging your in-depth understanding of iOS and Android nuances to ensure optimal performance.
• Architectural Vision: Lead feature development, and design and implement robust application architectures that prioritize scalability, maintainability, and adherence to best practices.
• Advanced Troubleshooting: Efficiently troubleshoot and debug complex issues within applications using advanced debugging tools and techniques.
• Performance Engineering: Tackle complex development and design tasks to deliver high-performant solutions.
• React Native Optimization: Apply your extensive knowledge of resource utilization, state management, and React Native challenges (like re-rendering) to develop effective solutions and methodologies.
• Quality Assurance: Design and implement comprehensive testing strategies, including unit, integration, and end-to-end testing, to ensure application reliability and high-quality feature delivery.
• Performance Bottleneck Resolution: Identify and resolve performance bottlenecks, optimizing the codebase for faster load times and a smoother user experience.
• Seamless API Integration: Integrate mobile applications with server-side APIs, implementing robust asynchronous data synchronization processes.
• Full Ownership: Take complete ownership of assigned tasks, ensuring their successful completion from inception to deployment.
• Front-End Development: Develop and maintain front-end applications using React Native.
• Security Implementation: Implement strong security and data protection measures for mobile applications.
• Cross-Functional Collaboration: Work closely with cross-functional teams to identify, design, and implement new features.
• Optimization & Scalability: Optimize applications for maximum speed and scalability.
• Release Management: Handle release management for both Google Play Store and Apple App Store, including submission, updates, and compliance.

Technical Leadership
You'll provide crucial technical guidance and champion best practices within the team.

• Mentorship & Guidance: Offer technical guidance and mentorship to scrum team members, particularly junior developers, fostering effective solutions and high-quality deliverables.
• Code Quality Assurance: Conduct regular and thorough code reviews, ensuring strict adherence to coding standards, best practices, and security guidelines.
• Documentation Excellence: Ensure comprehensive documentation of the codebase, architectural decisions, and development processes to facilitate knowledge sharing and future maintenance.

Project Planning & Management
You'll play a key role in the successful planning and execution of our projects.

• Requirement Collaboration: Collaborate closely with team members, including QAs, to understand requirements and deliver high-quality features.
• Feasibility Analysis: Review and analyse requirements and user stories for validity and feasibility, informing design and development efforts.
• Estimation & Planning: Contribute actively to project planning and estimation.
• Stakeholder Engagement: Engage with project stakeholders, providing technical insights and timely updates, monitoring progress, and addressing technical concerns or roadblocks.
• Risk Mitigation: Proactively identify potential risks and develop strategies to mitigate them, escalating as needed.

Communication & Collaboration
Effective communication and teamwork are vital in this role.

• Technical Alignment: Collaborate and align closely with the Team Lead on technical decisions and the overall development lifecycle.
• Issue Resolution: Identify and address technical challenges or obstacles (including bugs and technical debt) and resolve conflicts within the team during the development process.

Continuous Learning & Improvement
We encourage a culture of continuous growth and staying ahead of the curve.

• Developer Mentorship: Provide guidance and mentorship to junior developers, assisting their professional development and helping them navigate challenges.
• Process Enhancement: Identify areas for skill improvement and seek feedback on process enhancements within the team.
• Promoting Growth: Encourage continuous learning and professional development among team members.
• Industry Awareness: Stay updated with the latest developments in React Native and the broader mobile app development landscape.

Requirements
We're looking for a candidate with the following qualifications:

• Educational Background: Bachelor's degree in Computer Science or equivalent.
• React Native Expertise: Strong in-depth knowledge and hands-on experience with the React Native framework, JavaScript, and TypeScript, along with a solid understanding of mobile development patterns and best practices.
• State Management Proficiency: Proficient in state management libraries (e.g., Redux, Zustand), Hooks, Context API, Class and Functional Components, and asynchronous programming.
• API Integration: Solid understanding of RESTful APIs and data synchronization between mobile apps and backend systems.
• Native Development Experience: Experience with native mobile development for iOS and Android (Objective-C/Swift, Java/Kotlin), including integrating React Native components with native modules.
• React Native Architecture: Understanding of the Bridge and Fabric architectures of React Native and their implications for writing native code.
• Tooling Experience: Hands-on experience with Azure Dev Ops / Github Actions, / SigNoz and Charles Proxy.
• DevOps Knowledge: Understanding of CI/CD pipelines for automated testing and deployment, and familiarity with GIT for version control, branching strategies, and collaborative workflows.
• Beneficial Tools: Experience with tools such as Jenkins, GitHub, SonarQube, Fortify, and JIRA will be a plus.
• Flutter Experience (Added Advantage): Experience with Flutter development is considered an added advantage.
• Agile Methodology: Familiarity with Agile/Scrum development methodologies and their ceremonies.
• Communication & Collaboration: Exceptional communication and collaboration skills, both verbal and written, with the ability to provide constructive feedback.
• Leadership & Mentorship: Capability to provide guidance, mentorship, and support to team members, fostering a positive and collaborative team culture.
• Decision-Making: Ability to make informed and timely decisions, especially when faced with technical challenges or project-related issues.
• Conflict Resolution: Ability to address and resolve conflicts within the team, promoting a harmonious working environment.

The above description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.