Eastgate Software is looking for an experienced Solution Architect to design backend architecture for large-scale systems in the Vietnamese market, including enterprise platforms, IoT integrations, and high-traffic B2C applications.
- Location: Hanoi
- Employment type: Full-time
- English: Not mandatory
- Expected start date: Mid-October to early November 2026
What You'll Do
- Analyze business and non-functional requirements to define overall system architecture.
- Design backend architecture for enterprise systems and large-scale B2C applications.
- Design and decompose systems using microservices, event-driven, and distributed architecture patterns.
- Architect integration solutions across backend, mobile apps, IoT platforms, and hardware devices.
- Design and own system architecture on AWS, ensuring scalability, availability, security, and cost efficiency.
- Plan for high-traffic scenarios: capacity planning, caching, database scaling, message queues, load balancing, autoscaling.
- Produce architecture artifacts (system context, component diagrams, deployment architecture, API specs, ADRs).
- Define technical standards, coding guidelines, and integration patterns.
- Partner with Product Owners, BAs, Tech Leads, and dev teams to turn business requirements into technical solutions.
- Review technical designs and code to ensure alignment with agreed architecture.
- Identify bottlenecks and technical risks, and drive improvements in performance and reliability.
- Run PoCs for new technologies where relevant.
- Apply AI tools and practices to design, development, testing, and operations.
Requirements
- 8+ years of software development experience, including experience as a Solution Architect, Technical Architect, Principal Engineer, or Tech Lead responsible for system design.
- Strong hands-on background in either:
- Java (Spring Boot / Spring Cloud or the broader Java Enterprise ecosystem), or
- NodeJS (enterprise-grade backend development)
- Solid understanding of distributed systems, event-driven architecture, RESTful APIs, caching, and message brokers.
- Experience architecting systems with high demands on performance, stability, and scalability.
- Experience with SQL/NoSQL databases and choosing the right storage solution for the problem.
- Ability to reason through non-functional requirements: performance/scalability, high availability, security, observability, backup & disaster recovery.
- Comfortable using AI tools in daily work, and able to critically assess the accuracy and risk of AI-assisted output.
- Experience building backend systems for IoT - connected devices, large-scale device data ingestion.
- Experience with large-scale B2C mobile applications, ideally systems handling 500K-1M concurrent users (CCU) or comparable transaction volume.
Why you'll love working at Eastgate:
- Attractive salary package
- Eastgate Software is a Global Fortune 500 Preferred Vendor, so you will have an opportunity to work with many IT Experts around Europe and USA
- Be emerged in a professional and motivating environment where you have opportunities to express your own ideas and improve your skill set through many interesting full-cycle projects
- Flexible check in: 8:30 - 10:30AM a.m. Monday to Friday, No Overtime (Only 8 working hours)
- Performance review and appropriate gratification: twice a year
- 13th month salary + Project bonus + 02 probationary months with full salary
- Extra health check package per year
- 16 leave days/year (will be added an extra day each year and maximum 20 days for annual leave)
- Free snacks, video gaming & movie nights, team social and sport activities