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Senior Frontend Developer (ReactJS, TypeScript, English)

NFQ
Full-time
On-site
Da Nang/Hochiminh, Vietnam
Developer
At Gradion, we scale businesses with Digital, Deep Tech & AI.
As part of the NFQ Group, we bring over 23 years of experience and a global team of 800+ experts across 10 countries. Our impact spans e-commerce, retail, mobility, travel & logistics, and intralogistics, where we’ve driven bold, measurable transformative technology solutions.
From large-scale platforms to AI, data, cybersecurity & robotic solutions, Gradion delivers tailored, future-ready solutions, empowering the next generation of Billion Dollar Companies.
Our key values:
🔹 Fairness – We treat our colleagues, clients, shareholders, and the environment with integrity and respect.
🔹 Entrepreneurship – We think like entrepreneurs, taking smart risks and turning ideas into real impact.
🔹 Excellence – We go beyond expectations to deliver results that truly make a difference
We’re looking for a Senior Frontend Engineer to join DataBus, Shopware’s new event-streaming middleware. Nexus, its visual drag-and-drop workflow designer, is the frontend where merchants can seamlessly connect Shopware to any third-party solution without writing code. Built on a working MVP with React 18, Vite, and Tailwind, your team’s mission will be to transform this prototype into a production-grade application for thousands of merchants.
According to Decree No.13/2023/ND-CP on protecting personal data (“PDP”), Gradion Vietnam applies the “Personal Data Processing Agreement” to all candidates to ensure compliance with the decree. By submitting your application to Gradion Vietnam, you agree to allow us to process your provided information in accordance with the Personal Data Processing Agreement that you have carefully read, understood, and agreed to in its entirety at Link.

In this role, you will:

    • Deep-dive the current client/ and other relevant parts of the codebase in the shopware/swag-nexus repository React Flow canvas, Zustand stores, RTKQuery, Playwright tests). 
    • Fully understand Shopwareʼs App System and setup Nexus as a Shopware App, focusing on the frontend implementation Ship a hardening backlog: state isolation, performance budgets, accessibility & keyboard navigation, Skeleton loading patterns. 
    • Pair with backend on SSE / WebSocket log-stream UX. 
    • Replace ad-hoc components with the new Nexus design system (shadcn/ui + Tailwind) if needed. Own the workflow-canvas architecture: node palette, mini-map, reversible history, snaplines. 
    • Implement credential & secret management UI with inline validation. 
    • Introduce feature flags and remote config for staged roll-outs. 
    • Drive E2E test coverage to 90 % of critical paths Playwright). 

What will you bring:

    • 5+ years professional FE experience, 3+ years React + TypeScript in production. 
    • Proven record shipping complex single-page apps (drag-and-drop, realtime data, or rich editors). Deep understanding of state-management patterns (selector memoisation, optimistic updates, cache invalidation). Performance and DX mindset: Web Vitals, bundle-splitting, dev-server tooling. 
    • Accessible-first mentality WCAG 2.1 AA. 
    • Familiarity with automated testing pyramid (unit > component > e2e) and CI gating. 
    • Comfortable reading backend OpenAPI specs and modelling strong client typings. 
    • Excellent English communication; ability to work 34 h overlap with CET. 
      • Nice-to-haves 
    • Experience with visual programming frameworks (e.g., Blockly, Drawflow), Canvas/WebGL or workflow automation platforms (e.g., n8n, Zapier). 
    • Awareness of event-driven architectures (Kafka, NATS, Redis Streams) and Go programming. 
    • Knowledge of Shopware 6 plugin/app ecosystem or other e-commerce platforms. 
    • Exposure to OpenTelemetry tracing or feature-flag platforms.

Why you’ll love working here:

    • 🏆 Join Vietnam’s Best IT Company – Gradion (formerly NFQ ASIA) was recognized by ITViec for 7 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 & Tech Leadership – At Gradion, you’re not just coding or delivering features—you’re shaping innovative solutions. Collaborate closely with tech leads, gain hands-on exposure to critical product and business decisions, and receive mentorship from experts who’ve built scalable systems. Whether you aim to become a technical expert or a leader, we’ll empower your journey.
    • 🚀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 healthy work-life balance and an environment where you can thrive—professionally and personally. Including:
      • - Laptop is provided.
      - Community Tech activities.
      - A fun & dynamic environment and freedom to be creative.
      - Modern office with a flexible relaxing zone.
      - 13th-month salary pro-rata (based on business situation/performance).
      - Performance review 2 times/ year.
      - Extra Premium Healthcare & Annual Health-check.
      - 15 days annual leaves.
      Working time: Monday – Friday (9AM - 6PM)
      Location:
    • Ho Chi Minh office: Unit No.PF-08 on Podium Floor, Sapphire Tower 2, 92 Nguyen Huu Canh street, Ward 22, Binh Thanh District.
    • Da Nang office: 23rd Floor, G8 Golden Tower, 65 Hai Phong, Thach Thang Ward, Hai Chau District.
Apply now
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