As a Full Stack Engineer based in our Singapore office at SMBC, you'll be a key technical contributor and mentor to our digital banking transformation initiatives in Asia Pacific. This is a senior individual contributor role that combines solution architecture, hands-on development, and technical mentorship to deliver scalable, reliable banking solutions across web and mobile platforms.

You'll work at the intersection of multiple technology domains, designing cloud-native solutions that balance immediate project needs with long-term architectural flexibility. Your work will directly impact how our clients interact with banking services across digital channels, requiring both deep technical expertise and the ability to navigate complex cross-domain dependencies. Additionally, you'll play a crucial mentorship role for more junior engineers, elevating the team's technical capabilities through code reviews, pairing sessions, and knowledge sharing.

About the Opportunity

• Technical Impact: Lead solution design for major features while remaining deeply hands-on with code
• Architectural Influence: Shape the technical direction of SMBC's digital banking platform
• Global Collaboration: Partner with onshore and offshore delivery teams to deliver enterprise-scale banking solutions

Key Responsibilities

Solution Design & Architecture

• Break down complex, ambiguous problems into actionable solutions with clear knowns, unknowns, and resolution paths
• Design cloud-native architecture that enables multiple future scenarios without over-engineering for uncertainty
• Understand and articulate scaling and reliability limits across major business-critical systems
• Map data relationships and dependencies across technology domains and their impact on the platform

Technical Delivery & Excellence

• Work directly with project delivery teams to translate requirements into high-quality technical implementations
• Write clean, maintainable, well-tested code across the full stack as needed
• Conduct proof-of-concepts to evaluate new technologies and approaches when needed
• Ensure comprehensive observability: everything that can be measured is measured
• Champion engineering best practices including testing, documentation, and code quality standards

Mentorship & Knowledge Sharing

• Pair with engineers to elevate software development practices and accelerate knowledge transfer
• Foster a culture of continuous learning and technical excellence within the team

Collaboration & Communication

• Coordinate across technology domains to ensure alignment and integration
• Create clear, effective technical documentation for diverse audiences
• Facilitate honest technical debates that strengthen decision-making and team dynamics
• Evangelize new ideas, tools, and processes through compelling presentations
• Collaborate with DevOps teams on infrastructure and deployment strategies

Continuous Improvement

• Stay current with emerging software technologies and share knowledge with the team
• Proactively seek feedback on architecture decisions to refine approaches
• Bring new ideas and present them in clear, well-reasoned ways
• Identify technical debt and advocate for its resolution

Required Qualifications

Technical Expertise

Must demonstrate high proficiency in at least 4 of the following areas:

• Full Stack Development: 5+ years of hands-on experience with modern web technologies like React/Next.js, Node.js for front-end and/or Java/Spring Boot or similar for back-end technologies
• Cloud Architecture: Solid experience designing and implementing solutions on Azure (preferred) or AWS/GCP, including microservices and cloud-native patterns
• Mobile Development: Experience with React Native, Flutter, or native iOS/Android development
• Testing & Quality: Strong experience with test automation frameworks and strategies across the testing pyramid (unit, integration, end-to-end)
• DevOps Practices: Good understanding of CI/CD, Infrastructure as Code, containerization (Docker/Kubernetes), and observability
• Database & Data Systems: Experience with both SQL and NoSQL databases, caching strategies, and event streaming
• API Design: Strong skills in RESTful API design, GraphQL, and API gateway patterns

Professional Qualities

• Demonstrated ability to learn new domains and technologies quickly (growth mindset)
• Strong sense of appropriate technical trade-offs in design and implementation
• Track record of completing projects and finishing what you start
• Scrappy approach: making the most with available resources
• Clear, effective communication in both written and verbal formats
• Comfortable facilitating conference calls and remote collaboration
• Ability to communicate effectively with technical and non-technical stakeholders
• Strong mentoring and teaching abilities - able to explain complex concepts clearly
• Proactive in seeking feedback and continuously improving
• Comfortable with honest, constructive debate that strengthens outcomes
• Hands-on mentality: willing to roll up sleeves for both strategic work and day-to-day delivery

Preferred Qualifications

• Previous experience in banking, financial services, or highly regulated industries
• Exposure to corporate/institutional or wealth management/private banking business domains
• Experience working in distributed teams across multiple time zones
• Track record of successfully evangelizing technical change in large organizations
• Experience mentoring or training junior engineers in previous roles
• Active participation in tech communities through speaking, writing, or open source contributions