Senior Fullstack Developer

ABOUT US
At Gradion, we are the strategic partner for ambitious businesses, helping them achieve breakthrough growth through Digital Innovation and Deep Tech.
With a global vision and an AI-first approach, we enable clients to reshape strategies, optimize systems, and adopt cutting-edge technologies to create sustainable value.
From AI and data to cybersecurity, robotics, and large-scale enterprise platforms, Gradion designs practical solutions that lay the foundation for the next generation of billion-dollar companies.
OUR FACTS &
FIGURES:
23+ years of expertise - Gradion builds digital platforms & deep-tech solutions
3 continents: Asia, Europe and Africa
300+ specialists across 7 countries Vietnam, Singapore, Thailand, Saudi Arabia, Germany, Egypt and Australia
100+ enterprise clients, including several unicorns (e.g., Alaiko, HomeToGo, Roadsurfer)
Vietnam's Best IT Company - recognized by Joboko for 8 consecutive years, including 2 consecutive years of ranking #1 (2024 and 2025)
ISO 27001
In this role, you will
Lead the design and development of a multi-market storefront in [protected info] and TypeScript, covering catalog, product pages, cart and checkout flows.
Choose and justify the right rendering strategy per surface (static, incremental, server-rendered, client-side) based on traffic patterns and freshness needs.
Design the caching layer end to end, from CDN and edge through to browser, including invalidation when product, price or inventory data changes.
Own the performance budget and optimise across regions, from bundle size and hydration cost through to time to first byte.
Build and maintain the orchestration layer between the storefront and commerce services using [protected info] with REST or GraphQL.
Handle multi-currency and multilingual storefront experiences so each market gets the right catalog, language and pricing.
Implement and iterate on payment and checkout flows, working with gateways such as Stripe, PayPal, Klarna, Apple Pay and Google Pay.
Support A/B testing and analytics tracking so product decisions are backed by data.
Guarantee test coverage with unit, integration and end-to-end testing, and keep CI/CD pipelines healthy.
Support observability and operational excellence with proper logging, monitoring and rollback procedures, leveraging AWS where applicable.
Guide and mentor mid-level engineers, and share context with both the Gradion team and the client's engineers.
Experiment with AI developer tools (Cursor, Claude, Copilot).
What You Will Bring
5+ years of engineering experience on production web applications at scale.
Strong command of TypeScript, React and [protected info], plus deep JavaScript and browser fundamentals.
Backend experience with [protected info] and REST or GraphQL APIs, including designing the orchestration layer between storefront and commerce services.
Solid understanding of rendering and caching strategies, and the ability to reason about the trade-offs between them.
Hands-on experience deploying to a CDN or edge platform such as Cloudflare, Vercel or CloudFront.
Working exposure to AWS (Lambda, S3 or similar services), enough to reason about how your application is deployed and run.
Experience with automated testing and CI/CD pipelines.
Good spoken and written English. You will be in daily technical discussion with European engineers, including live architecture and pairing sessions.
Willingness to learn the Shopify ecosystem, even if you have not used it before.
Why you'll love working here?
🏆 Join Vietnam's Best IT Company - Gradion Vietnam (formerly NFQ Vietnam) was recognized by Joboko for 8 consecutive years, including 2 successive years as the Winner. Work with some of the best minds in the industry and be part of a company that's redefining how businesses scale through technology.
🌍 Career Growth &
Leadership Development - Work closely with our leadership team, gain mentorship from experienced executives, and have direct exposure to high-level strategic decisions. Your growth is limitless, as long as you're ready to step up, opportunities will always be there for you.
🚀 AI-First Engineering &
Strategic Consulting - Our engineering culture integrates AI as a core driver of design, development, and optimization - not an add-on. As a forward-thinking consultancy, we go beyond traditional engineering, combining technical excellence with a strategic mindset to deliver transformative solutions for ambitious businesses.
💰 Competitive Compensation - We believe great talent deserves great rewards. Expect an attractive salary, performance-based bonuses, and a benefits package that reflects your impact. We value talent over salary budgets - exceptional contributions deserve exceptional rewards.
✨
And Many More Benefits to Explore! But most importantly, a healthy work-life balance and an environment where you can thrive professionally and personally. Including:
Performance bonus of up to 2 months' salary
Performance review twice a year, so your growth is recognized and rewarded
Premium healthcare for you, plus an annual health check
15 days of annual leave
Full salary during probation
Hybrid working for real flexibility
Monthly Happy Hour and Community Tech activities
Work on global projects as part of an innovation team that shapes ideas for the hi-tech world
Diverse training programs to keep you growing
Working time: Monday -
Friday (9 AM - 6 PM)
Location
Ho Chi Minh office: Podium Floor, Sapphire 2 Tower, 92 Nguyen Huu Canh Street, Thanh My Tay Ward, Ho Chi Minh City, Vietnam
According to General Data Protection Regulation (GDPR), Singapore's Personal Data Protection Act (PDPA), and Vietnam's Decree 13/2023/ND-CP, while also ensuring compliance with other applicable local data protection laws in the jurisdictions where we operate, including but not limited to Vietnam, Thailand, Egypt, Singapore, Germany, and Saudi Arabia, Gradion applies the "Personal Data Protection Policy" to all candidates to ensure compliance with the laws.
By submitting your application to Gradion, you agree to allow us to process your provided information in accordance with the Personal Data Protection Policy that you have carefully read, understood, and agreed to in its entirety at Link.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.