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.
Powered by the AI-first foundation, our journey is defined by customer stories of bold transformations in Business, Technology and People. We've partnered with visionary companies to architect the strategies, systems, and technologies that propelled them to extraordinary success.
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 Fullstack Engineer to join our mission of transforming a powerful MVP into a robust production-ready application used by thousands of merchants. You’ll play a key role in developing Nexus—Shopware’s drag-and-drop workflow designer—and its integration with DataBus, an event-streaming middleware.
In this role, you will:
Audit & harden the existing Node.js server: migrate SQLite → Postgres, introduce Prisma migrations (or some other ORM), plug Redis Streams persistence into the in-memory queue (or related technology based on future architectural choices).Fully understand Shopwareʼs App System and setup Nexus as a Shopware App, focusing on the app backend implementation and making it a service, using the Service RegistryImplement Shopware App endpoints (manifest, permissions handshake, signing, auth callbacks).Define and publish OpenAPI/JSON-Schema contracts for Nexus ↔ DataBus communication.Pair with FE on secure WebSocket/SSE endpoints for live execution logs.Set up GitHub Actions pipelines (lint, tests, Docker build, helm chart).Own the workflow-engine refactor: modular contexts, sandboxed custom-code nodes, idempotent retries.Extend the event bus integration (NATS / Kafka) for cross-service choreography.Introduce feature flags & remote config pipeline for safe roll-outs.Embed OpenTelemetry tracing, Prometheus metrics, DataDog and SLO dashboards.What will you bring:
5+ years building production cloud services, 3+ years with Node.js & TypeScript.Solid experience designing REST and/or GraphQL APIs with strong typing and versioning.Proven track record with Postgres schema design, migrations, query performance.Hands-on with message queues/ event buses and exactly-once/ at-least-once semantics.Comfortable with containerized deployments, CI/CD, and infrastructure primitives.Working knowledge of modern React (hooks, Suspense) to collaborate effectively with the FE engineer.Security mindset: JWT/OAuth flows, OWASP, secret management, RBAC.Excellent, async-friendly English communication; ability to work 3–4 h overlap with CET.Nice-to-have
Familiarity with Shopware App System: manifests, permissions scopes, webhooks.Go literacy (helps when pairing with the core DataBus backend).Exposure to event-sourcing, CQRS, or serverless runtimes.Experience implementing observability pipelines (traces, logs, metrics) at scale.Prior work on low-code/ workflow/ visual programming productsWhy 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: NFQ welcomes you to our offices in Vietnam (Hochiminh, Danang, Cantho and Hanoi), choose the location that suits you best and join us on a journey of innovation and excellence.
