Solution Architect (Senior Expert/Manager)

ABOUT ONE MOUNT

One Mount is Vietnam's largest technological ecosystem that creates solutions along the entire value chain, starting with retail, distribution, real estate, and financial services. Our mission is to build Vietnam's most trusted ecosystem, empowering all people and businesses to realize their full potential at the intersection of technology and humanity.
We are looking for an innovative and experienced Solution 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. You will work closely with cross-functional teams to ensure that architecture decisions align with business goals, technological capabilities, and long-term scalability.

RESPONSIBILITIES

• Bridge multiple business domains by translating complex, cross-functional business requirements into high-quality, cohesive, and secure architectural solutions.
• Collaborate closely with customers and a diverse set of stakeholders (Product, Business, Security, Data, and Engineering) to develop comprehensive technology products and ensure shared buy-in within a highly matrixed environment.
• Navigate ambiguity effectively, bringing technical clarity and strong communication to complex, evolving business challenges.
• Design and maintain the overall architecture of applications, focusing on scalable, resilient, and event-driven distributed systems.
• Architect and oversee data pipelines, effectively bridging application architecture with large-scale data processing and data engineering.
• Lead system improvement initiatives and mentor development teams in building high-throughput systems, identifying technical debt, and proposing architectural refactoring.
• Champion engineering excellence by driving the adoption of robust observability, automated cloud infrastructure, and reliable deployment practices.
• Explore and introduce emerging technologies (including AI/ML integrations) and advanced software design methodologies (like DDD) to improve platform capabilities.
• Evaluate the business impact of technical decisions, ensuring architectures meet stringent regulatory compliance, real-time data needs, and security standards.

REQUIREMENT

Must-Have (The Core Foundation)

• Experience: 7+ years in software engineering and system architecture, demonstrating a progression of technical leadership.
• Customer & Matrix Engagement: Demonstrated experience working with customers to develop comprehensive technology solutions or products in a highly matrixed environment.
• Communication & Ambiguity: Strong ability to communicate effectively and operate decisively in an ambiguous, fast-paced setting.
• End-to-End Solutioning: Proven ability to translate complex business requirements into cohesive technical solutions, successfully integrating disparate systems, third-party APIs, and data pipelines into a unified architecture.
• Architecture & Design: Proven track record designing and building scalable, resilient distributed systems (microservices, event-driven architectures).
• Data Architecture & Database Mastery: Deep understanding of modern data architecture, large-scale data processing, and bridging application architecture with data engineering. Experience with relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
• Core Tech Stack: Strong expertise in enterprise Java (Spring Boot, WebFlux) and designing high-throughput, low-latency systems.
• Cloud & Platform Engineering: Solid experience with Google Cloud Platform (or equivalent AWS/Azure) and modern container orchestration (GKE). Hands-on knowledge of CI/CD, infrastructure-as-code (Terraform, Helm), and modern observability/telemetry tools.

Bonus (The "Unicorn" Traits)

• AI/ML Integration: Experience integrating AI/ML models, LLMs, or working with advanced data ecosystem tools (like Vertex AI or BigQuery) in production applications.
• Methodology: Experience applying Domain-Driven Design (DDD) to map complex business requirements into software components.
• Domain Expertise: Direct experience in fintech or digital platform environments, including familiarity with strict regulatory compliance, real-time data streaming, and security standards (PCI-DSS, OAuth2).
• Education: Master’s degree in Computer Science, Software Engineering, or a related field.

BENEFIT & 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.