One Mount Group ★ 3.4

Role Description

We are looking for an innovative and experienced Slution Architect to lead the design and implementation of scalable, resilient, and secure architectures for our fintech platforms. This role plays a key part in shaping the technical vision and system blueprint for digital financial services at One Mount - VinID Pay. You will work closely with cross-functional teams to ensure that architecture decisions align with business goals, technological capabilities, and long-term scalability.

Being a member of One Mount - VinID Pay with target to become a leading Fintech company in Vietnam, we is building the most convenient online payment and finance service for customers:

• Providing convenient and diversified payment/fintech solutions.
• Building proactive and effective operating tools.
• Developing platform for One Mount's digital financial ecosystem, which has been bringing thoroughness to customers & effective support for subsidiaries with breakthrough & quality products and taking that as a premise to reach

Responsibilities

• Design and maintain the overall architecture of applications and cloud infrastructure (microservices, event-driven, cloud-native).
• Analyze functional and non-functional requirements to produce high-quality architecture and solution design documents.
• Evaluate the business impact of technical decisions and ensure architecture supports product scalability, reliability, and security.
• Lead system improvement initiatives by identifying technical debt and proposing architectural refactoring when needed.
• Explore and introduce emerging technologies that improve developer productivity, system performance, or platform capabilities.
• Align with stakeholders (Product, Business, Security, Engineering) to ensure shared understanding and buy-in on solution direction.
• Guide and mentor development teams in applying best practices in software design, DDD, API design, and infrastructure usage.

Key Skills

• Bachelor’s degree in Computer Science, Software Engineering, or related fields; Master’s degree is a plus.
• 7+ years of experience in software engineering and system architecture, preferably in fintech or digital platform environments.
• Proven experience designing distributed systems using microservices and event-driven architecture.
• Strong expertise in enterprise Java (Spring Boot, WebFlux), DDD, and reactive systems.
• Solid experience with Google Cloud Platform (GKE, Pub/Sub, Cloud SQL, Firestore, etc.).
• Experience with relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Bigtable) databases.
• Hands-on knowledge of CI/CD, container orchestration, infrastructure-as-code (Terraform, Helm), and observability tools.
• Familiarity with fintech-related architecture concerns: real-time data, security standards (PCI-DSS, OAuth2, etc.), and compliance.

Mindset & Soft Skills

• Strong collaboration and communication skills, able to work cross-functionally and influence stakeholders.
• Agile mindset with a product-centric approach and continuous improvement attitude.
• High ownership, strong problem-solving ability, and a customer-centric mindset.

Benefit and Perks

Salary & Allowances

• 13-month salary with annual performance bonus, project incentives, sales incentives (based on position)
• Lunch allowance: 730.000 VND/month
• Special occasion bonus: 2.500.000VND/year
• Annual leaves: Up to 20 days/year (based on levels)
• Health: Social insurance, premium health insurance, yearly health check
• Laptop, screen and other needed facilities/accounts/tools for work

Career Growth

• Yearly salary review and promotion
• Diverse career path: Management or Expert and functions rotation opportunity
• Free learning sources in Udemy, Coursera, O'relly platforms; internal workshop, certification sponsorship, and exclusive mentoring from C-levels
• Recognition and awards at team and organizational levels.

Working Environment

• Open & collaborative working space foster both individual focus and teamwork activities
• Young, dynamic, and collaborative working atmosphere
• Unwind zones: gaming, table tennis, yoga, gyms, bath rooms, sleep corner.
• Quarterly/yearly teambuilding & engaged internal events.