React Native Jobs in Vietnam.
All active React Native roles based in Vietnam.
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About Ogilvy
Ogilvy, part of WPP, has been creating impact for brands through iconic, culture-changing, value-driving ideas since the company was founded by David Ogilvy 75 years ago. It builds on that rich legacy through Borderless Creativity – innovating at the intersections of its advertising, public relations, relationship design, consulting, and health capabilities with experts collaborating seamlessly across over 120 offices in nearly 90 countries. Ogilvy currently ranks as the #1 global agency network for creative excellence and effectiveness by WARC, signifying its ability to deliver creative solutions that drive unreasonable impact for clients and communities. Ogilvy is a WPP company (NYSE: WPP). For more information, visit Ogilvy.com, and follow us on LinkedIn, X, Instagram, and Facebook.
About WPP
WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com.
Verticurl, a division of Ogilvy, was established in 2006 with the mission to be the world’s leading marketing technology services agency for multinational organizations. We enable our clients to assess, deploy and integrate MarTech platforms, activate customer experience technologies, implement lead management processes that accelerate revenue conversion and leverage marketing technology to achieve operational excellence.
About the Role
We’re looking for a Principal AI Mobile Engineer who will drive the next generation of mobile experiences for global clients at Ogilvy. You will lead the architecture, design, and implementation of cutting-edge mobile applications that integrate AI/ML, Computer Vision, and Conversational AI to create seamless, smart, and human-centric customer experiences. This role is ideal for someone who thrives in a hybrid space between engineering, innovation, and user experience — and is excited to shape how brands engage with customers through intelligent mobile platforms.
What You’ll Do
- Lead the design and development of AI-powered mobile applications for consumer-facing experiences (iOS, Android or cross-platform).
- Integrate AI capabilities into mobile apps, including:
- Natural Language Processing (chatbots, voice assistants)
- Image Recognition (e.g., AR try-ons, visual search)
- Generative AI (e.g., AI avatars, personalized content)
- Collaborate with designers, strategists, and creatives to prototype and ship customer-facing AI solutions.
- Serve as the technical architect for mobile innovation projects.
- Evaluate and integrate external AI services (e.g., OpenAI, Google Vertex/Gemini, Hugging Face, etc.)
- Provide technical guidance to internal and client teams on AI feasibility, constraints, and opportunities.
- Mentor and support junior developers and lead mobile engineering best practices.
What You’ll Need
- 8+ years of mobile app development experience, with at least 2 years in a technical leadership role.
- Proven experience in building consumer-grade apps with integrated AI/ML functionality.
- Strong proficiency in Swift, Kotlin, Flutter, or React Native.
- Familiarity with AI/ML frameworks (e.g., Core ML, TensorFlow Lite, PyTorch Mobile, MediaPipe)
- Experience with REST APIs, Firebase, GraphQL, and mobile SDK integration
- Experience in AI use case ideation with creatives or strategy teams a plus.
- Passion for user experience and customer-centric thinking.
- Strong communication and stakeholder engagement skills.
Nice to Have
- Experience working in a creative or marketing technology agency
- Familiarity with privacy & ethical considerations when deploying AI at scale.
- Exposure to AR/VR or real-time media processing (e.g., face filters, object detection).
- Participation in hackathons or innovation labs
#LI-DNI
How We’ll Support You
Ogilvy celebrates its people. Fully. Enthusiastically. Unhesitatingly. We’ll empower you with the tools you’ll need to succeed. We’ll give you the autonomy to seek out new paths and better ways of doing things. We’ll support you with colleagues who are experts in their disciplines, drawn from across the Ogilvy network. And we’ll provide opportunities for you to do work of which you’ll be proud, with people you’ll be proud to call your teammates.
At Ogilvy, our people are at the heart of what we do: a creative agency that sparks game-changing ideas across culture and business through collaboration, integrity, and a celebration of self-expression.
We believe in building powerful teams with purpose - and we relentlessly curate transformative initiatives that make our commitment to fairness, and equity a reality.
Our ultimate mission is to leave a positive impact on the world, creating a better future for all, while supporting and uplifting the global communities we serve. This is central to our mantra of Borderless Creativity.
Ogilvy is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.
If you need any assistance seeking a job opportunity, or if you need reasonable accommodation with the application process, please contact us at accommodations@ogilvy.com. Please note that this contact is only for candidates who are requesting accommodation. Emails for other purposes, including application status requests, will not receive a response.
Ready to apply?
Apply to Ogilvy
Senior Mobile Developer (React Native)
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About the Company
The company is the world’s first licensed hybrid decentralized exchange (DEX), on a mission to make wealth-building as natural as daily life. It is building a compliant, self-custodial platform for premium tokenized strategies—from crypto to alternative investments—on trusted infrastructure. They are seeking a seasoned Mobile Engineering Lead to take full ownership of their React Native architecture. This is a high-impact role designed for a technical visionary who can maintain a high engineering bar while mentoring a talented team of developers to deliver a seamless, high-performance trading experience.
Core Responsibilities
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Architecture & Development: Architect, develop, and maintain high-performance React Native applications for both iOS and Android platforms.
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Technical Leadership: Act as the primary technical lead for mobile, driving high-level architecture decisions, establishing coding standards, and implementing industry best practices.
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Engineering Excellence: Ensure superior code quality, stability, and scalability across the entire mobile codebase.
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Mentorship & Review: Lead rigorous code reviews and provide technical guidance and mentorship to mobile engineers to support their professional growth.
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Cross-Functional Collaboration: Partner closely with Product, Backend, Design, and QA teams to execute feature delivery from conception to deployment.
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Performance Optimization: Proactively identify and resolve bottlenecks, memory leaks, and stability risks to ensure a premium user experience.
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Workflow Innovation: Define and refine mobile development workflows, including testing strategies and CI/CD release processes.
Key Requirements
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Professional Experience: 8+ years of professional mobile development experience (iOS, Android, or both).
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React Native Expertise: 3+ years of hands-on experience deploying and maintaining React Native applications in production environments.
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Leadership Provenance: Strong background as a Tech Lead or Senior Engineer with a track record of owning mobile code quality.
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Technical Mastery: Expert-level knowledge of TypeScript/JavaScript and a commitment to clean code principles.
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Mobile Fundamentals: Deep understanding of mobile architecture, memory management, and performance tuning.
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Tooling: Proficiency with native tooling, including Xcode, Android Studio, Gradle, and CocoaPods.
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Integration & Security: Extensive experience integrating REST APIs, managing complex authentication flows, and ensuring secure data handling.
Ready to apply?
Apply to Hyphen Connect Limited
Web3 Incubator Lab - Tech Lead (Blockchain / Projects)
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Reports to: Founder / CTO
About the Company
Our partner, a leading Web3 incubator in Asia, is shaping the future of the digital economy through a diverse portfolio of crypto ventures in payments, wallets, lending, data, AI, and asset management. With a global team of researchers, engineers, operators, and crypto experts, the incubator takes a hands-on approach, supporting its portfolio companies from ideation to market-ready solutions.
About the Role
We are seeking a skilled Tech Lead to oversee technical execution across our incubator’s diverse crypto portfolio, managing engineers and collaborating with the Technical Project Manager to ensure smooth project delivery. Reporting to the Founder or CTO, the Tech Lead will juggle multiple projects, provide hands-on coding expertise, architect innovative solutions, and support hiring for portfolio teams. With a strong blockchain background and experience in fintech, banking, insurtech, or AI, you will drive technical excellence while delivering clear progress updates to the executive team.
Key Responsibilities
- Technical Leadership: Lead and mentor engineers (Full Stack, Web3/Backend, Mobile) across portfolio projects, ensuring high-quality code and alignment with technical goals.
- Hands-On Coding: Actively contribute to development, writing code for blockchain integrations, backend systems, focusing on Web3 and high-throughput technologies.
- Solution Architecture: Design scalable, secure architectures for portfolio projects, integrating blockchain protocols (e.g., Ethereum, Solana), microservices, or AI pipelines as needed.
- Project Coordination: Partner with the Technical Project Manager to juggle multiple projects, aligning timelines, resources, and deliverables across payments, wallets, lending, data, AI, and asset management ventures.
- Hiring & Team Building: Collaborate with the executive team to define technical hiring needs, evaluate candidates, and build high-performing engineering teams for portfolio companies.
- Cross-Portfolio Synchronization: Ensure technical consistency and efficiency across diverse projects, resolving bottlenecks and maintaining project flow.
- Blockchain Expertise: Drive Web3-related initiatives, such as smart contract development, DeFi platforms, or wallet integrations, leveraging deep blockchain knowledge.
- Innovation & Problem Solving: Identify opportunities to incorporate emerging technologies (e.g., AI, decentralized systems) to enhance portfolio outcomes.
What We’re Looking For
- Experience: 8+ years in software engineering, with 4+ years in a technical leadership or lead engineer role. Strong blockchain experience (e.g., smart contracts, DeFi, wallet development) is preferred. Prior work in fintech, banking, insurtech, AI, or high-throughput systems is a strong plus.
- Technical Skills:
- Blockchain: Expertise in Solidity, Rust, or similar for smart contracts; familiarity with Web3 libraries (e.g., ethers.js, web3.js) and protocols (e.g., Ethereum, Solana).
- Backend: Proficiency in Node.js, Python, Go, or Rust for building scalable systems, APIs, and microservices.
- AI/Data: Experience with AI pipelines or data platforms (e.g., TensorFlow, Apache Kafka) is a plus.
- Frontend/Mobile: Basic familiarity with React/Native, Kotlin, or Swift to guide full stack and mobile engineers.
- Hands-On Coding: Proven ability to write high-quality code while balancing leadership responsibilities, particularly in Web3 or complex systems.
- Solution Architecture: Track record of designing robust, scalable architectures for blockchain, fintech, or AI-driven applications.
- Leadership & Mentorship: Experience managing small engineering teams, fostering collaboration, and mentoring junior developers.
- Multi-Project Management: Ability to juggle multiple projects, coordinating with project managers to ensure smooth delivery and consistent project flow.
- Communication: Exceptional verbal and written skills to report progress to executives, support project managers, and align technical and business stakeholders.
- Hiring Involvement: Familiarity with technical recruiting, candidate evaluation, and building diverse, high-performing teams.
- Passion: Deep enthusiasm for blockchain, Web3, and innovative technologies, with a commitment to driving the incubator’s portfolio forward.
Ready to apply?
Apply to Hyphen Connect Limited