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Dương Hứa Toàn (Tony)

🚀 Expert Software Engineer

Accomplished IT professional with over 15 years of experience in the technology industry, specializing in dynamic startup environments. Demonstrated expertise in delivering comprehensive end-to-end solutions throughout the complete software development lifecycle, encompassing system analysis, architectural design, full-stack development, team leadership, and production deployment.

Having dedicated 90% of my career to startup environments, I excel in fast-paced, high-demand settings that require exceptional adaptability, continuous self-learning, and end-to-end ownership. I possess advanced proficiency in designing scalable software architectures and cloud-native solutions, with the ability to rapidly adopt emerging technologies as needed. My startup experience has cultivated a versatile skill set that enables me to seamlessly transition between multiple roles—whether developing code, architecting systems, or leading cross-functional teams—all while maintaining a focus on delivering tangible business value to customers.


📞 Contact Information


🛠️ Technical Skills

Skill Experience
C# 15 years
MVC & Web API 12 years
.NET Core 9 years
Entity Framework 9 years
TypeScript 6 years
jQuery & JavaScript 8 years
Angular 7 years
React & Redux 6 years
Winform & DevExpress 6 years
MySQL & SQL Server 14 years
MongoDB 2 years
NodeJS 1 years
Docker 3.5 years
Kubernetes 2.5 years
CI/CD 6 years
Azure Services 2 years
Kafka 2.5 years
Redis 2.5 years
Microservices Architecture 5 years
Software Architecture Design 7 years
Leadership & Management
Team Leadership 8 years
Project Management - Led multiple projects from inception to production deployment
Startup Experience - Contributed significantly to numerous successful startup ventures
Versatility - Demonstrated ability to excel in various project roles and responsibilities
Agile Methodology - Extensive experience with SCRUM and agile development practices
Adaptability - Proven capability to rapidly learn new technologies and business models
Strategic Thinking - Strong analytical mindset with structured problem-solving approach

💼 Work Experience

Zuhlke Group

Expert Software Engineer | Sep 2024 - Current

Aspect Details
Project Zurich Neo Project - An international insurance platform delivering comprehensive insurance solutions across multiple countries and regions. The platform leverages modern cloud-native architecture to provide innovative insurance products, policy management systems, and claims processing capabilities serving a global customer base.
Responsibilities
  • Lead full-stack development initiatives encompassing both backend and frontend components
  • Architect and implement complex business logic and algorithms for insurance operations
  • Collaborate closely with Business Analysts and stakeholders to gather requirements and deliver new features
  • Design and analyze system architecture components for scalability and performance
  • Investigate and resolve critical production issues to ensure system reliability
  • Coordinate with cross-functional teams to facilitate seamless system integration
  • Conduct comprehensive code reviews and maintain elevated code quality standards
Achievements and Skills Gained
  • Enhanced full-stack development capabilities within the insurance technology domain
  • Advanced system architecture design skills for cloud-native applications
  • Strengthened stakeholder collaboration and cross-functional team coordination
  • Developed deep expertise in insurance domain knowledge and international compliance requirements
  • Gained comprehensive experience with enterprise-grade DevOps and CI/CD methodologies
Technologies
  • Angular (Frontend Framework)
  • .NET Core (Backend API)
  • Docker (Containerization)
  • Kubernetes (Container Orchestration)
  • Kafka (Message Streaming)
  • TeamCity (CI/CD Pipeline)
  • Cloud-Native Architecture
  • Microservices Design

GIC Singapore

Team Leader, Senior Engineer | Singapore | Sep 2023 - Sep 2024

Aspect Details
Project Developed and maintained a comprehensive tool for external EIPs to submit data into internal systems. This solution serves as the primary validation gateway for all external inputs and provides comprehensive stakeholder notification capabilities.
Responsibilities
  • Collaborated closely with Business Analysts and QA teams to establish system design requirements before sprint initiation
  • Maintained and enhanced a six-year-old project while preserving its core functionality
  • Developed comprehensive plans and allocated resources for upcoming release cycles
  • Provided on-call support for partners to ensure continuous system availability
  • Coordinated and supported all release schedules to maintain project timelines
  • Conducted log analysis and provided support for partners during production issues
  • Authored comprehensive engineering specifications for new feature implementations
  • Prepared migration strategies for integration with new system components
  • Proposed comprehensive upgrade strategies for legacy system features
  • Served as the primary engineer responsible for all team-developed features
Achievements
  • Enhanced client-centric approach and stakeholder satisfaction
  • Redesigned and optimized developer team workflows for improved efficiency
  • Strengthened leadership capabilities and fostered team collaboration
  • Eliminated technical debt and restructured components for improved code maintainability
  • Gained valuable experience in upgrading legacy systems to modern technology stacks
  • Developed rapid adaptation skills in high-demand technical environments
  • Acquired proficiency in multiple technology platforms through self-directed learning
  • Consolidated knowledge and expertise in enterprise system architecture
Technologies
  • .NET Framework
  • .NET Core
  • Kibana with Elasticsearch for logging
  • DataDog
  • Kubernetes
  • CloudBees
  • GitLab CI/CD

Grab

Team Leader, Fullstack Engineer | Oct 2021 - Sep 2023

Aspect Details
Project Express Web is a comprehensive web portal focused on Grab for Business, designed to process high-volume daily orders. The platform provides essential tools including Shopify integration, Bulk Upload capabilities, Route Optimization for partners, and comprehensive Order tracking functionality.

URL: https://express.grab.com/en
Responsibilities
  • Collaborated closely with Product Owners and QA teams to establish system design requirements before sprint initiation
  • Provided on-call support for stakeholders to ensure continuous system availability
  • Conducted comprehensive log analysis and provided support to team members during system issues
  • Authored detailed engineering specifications for new feature implementations
  • Served as the primary engineer responsible for all team-developed features
Achievements
  • Enhanced client-centric approach and stakeholder satisfaction
  • Strengthened leadership capabilities and fostered team collaboration
  • Eliminated accumulated technical debt to improve system performance
  • Consolidated knowledge and expertise in enterprise system architecture
  • Gained valuable experience in building and developing teams from the ground up
  • Contributed to a consistent monthly increase of over 5% in Grab Express Web usage, with peak usage reaching 20% following the Bulk Upload feature launch
  • Developed rapid adaptation skills in high-demand technical environments
  • Acquired proficiency in multiple technology platforms through self-directed learning
Technologies
  • Golang
  • gRPC
  • React with Observable
  • Monorepo Architecture
  • Kibana with Elasticsearch for logging
  • DataDog
  • Kubernetes
  • GitLab CI/CD
  • Docusaurus for API Documentation

Kassom

Tech Architect, Team Leader, Fullstack Engineer | Jun 2021 – Present

Aspect Details
Project Developed a comprehensive online learning platform for children that facilitates connections between tutors and parents. The platform provides an integrated environment for tutors to advertise their courses, manage class scheduling, and interact with their learners effectively.
Responsibilities
  • Architecture Ownership & Solution Design: Led comprehensive system architecture design, making critical technical decisions for product development and system scalability
  • Technology Consulting & Solution Selection: Provided strategic technology consulting, evaluated and selected optimal tech stacks, and established standardized backend architecture guidelines
  • Performance & Security Optimization: Designed and implemented performance optimization strategies, security protocols, and scalable system architectures
  • System Modernization & Migration: Led legacy system modernization initiatives and migration strategies to improve system efficiency and maintainability
  • Team Leadership & Technical Guidance: Led startup team development, managed recruitment, and provided technical mentorship to ensure architectural consistency
  • Business Alignment: Coordinated with sales teams and addressed market demands to ensure product-market fit and technical feasibility
Achievements and Skills Gained
  • Architecture Excellence: Successfully designed and implemented scalable, secure system architecture from concept to production deployment
  • Technical Leadership: Established standardized development guidelines, code review processes, and architectural best practices for the development team
  • Performance Optimization: Implemented system performance improvements and optimization strategies that enhanced user experience and system reliability
  • Security Implementation: Designed and implemented comprehensive security protocols including OAuth integration, data encryption, and secure payment processing
  • Technology Strategy: Made strategic technology decisions that balanced scalability, maintainability, and business requirements
  • Team Development: Built and mentored development teams, ensuring architectural consistency and technical excellence across all projects
Tech Stacks
  • Web API .NET Core
  • SQL Server
  • Entity Framework
  • Angular 12
  • Azure Functions and Platform Services
  • Azure AD OAuth Integration
  • Zoom Integration
  • Stripe Payment Integration
  • Lokalise
  • Crowdin
  • WordPress
  • GitHub Pipeline
  • RabbitMQ

Positive Thinking Company (formerly Pyco Group)

Principal Developer / Team Leader | Oct 2019 - Apr 2021

Aspect Details
Project TradeTeq Project - A sophisticated trading platform that connects banks and financial institutions, providing comprehensive management of financial instruments, letters of credit, notes, reconciliations, portfolios, funds, deals, and negotiations. The platform calculates interest and reconciliations on a daily basis, utilizing Azure functions as a message queue service and leveraging the full capabilities of Azure Portal and Azure DevOps. The system features well-established and thoroughly tested workflows between teams, implementing a multi-pod architecture to address banking security requirements, where each bank maintains its own system and database while ensuring data synchronization and privacy.
Responsibilities
  • Analyzed requirements and designed comprehensive system architecture for each sprint
  • Coordinated with and provided support to the London-based team
  • Broke down, assigned, and monitored tasks to achieve sprint objectives
  • Provided comprehensive support to team members to ensure task completion
  • Resolved technical challenges and system issues as they arose
  • Monitored system health and functionality to ensure optimal performance
  • Conducted comprehensive testing to validate system functionality
Achievements and Skills Gained
  • Enhanced client-centric approach and stakeholder satisfaction
  • Strengthened leadership capabilities and team management skills
  • Advanced technical skills in Azure platform development and management
  • Improved multitasking abilities and project coordination skills
  • Significantly enhanced SCRUM process implementation and team collaboration
  • Improved user interface and user experience design capabilities
Tech Stacks
  • Web API .NET Core
  • SQL Server
  • Entity Framework
  • Angular 7
  • Azure Functions and Platform Services
  • Multi-pod/Tenant Architecture

Haravan

Principal Developer | Oct 2018 - Jul 2019

Aspect Details
Project E-commerce platform development and comprehensive system maintenance
Responsibilities
  • Executed assigned development tasks and performed comprehensive product maintenance
  • Served as both developer and team leader to ensure project success
  • Provided support to team members to facilitate task completion
  • Resolved technical challenges and system issues as they arose
  • Conducted comprehensive testing to validate system functionality
Achievements and Skills Gained
  • Developed comprehensive understanding of end-user perspectives and requirements
  • Enhanced technical skills in ReactJS with TypeScript and .NET Core Web API development
  • Advanced proficiency in GitLab CI/CD and Docker containerization
  • Gained familiarity with SCRUM methodology and agile development practices
  • Improved user interface and user experience design capabilities
Tech Stacks
  • ReactJS with TypeScript
  • .NET Core Web API
  • GitLab CI/CD
  • Docker

Restaff

Senior Developer | Apr 2017 - Oct 2018

Aspect Details
Project Software development and comprehensive system architecture design
Responsibilities
  • Executed assigned development tasks and enhanced production systems
  • Designed comprehensive system flows, architecture, and database schemas
  • Served as primary developer for system components
  • Provided support to team members to facilitate task completion
  • Resolved technical challenges and system issues as they arose
  • Conducted comprehensive testing to validate system functionality
Achievements and Skills Gained
  • Developed comprehensive understanding of end-user perspectives and requirements
  • Enhanced technical skills in Angular 2-5 and Web API development
  • Gained familiarity with SCRUM methodology and agile development practices
  • Improved user interface and user experience design capabilities
Tech Stacks
  • Angular 2-5
  • Web API
  • Database Design
  • System Architecture

Freelancer Team

Developer/Team Leader | Jan 2013 - Present

Aspect Details
Project Various client projects and freelance development initiatives
Responsibilities
  • Conducted client meetings to gather comprehensive requirements
  • Designed system flows, architecture, and database schemas
  • Planned tasks and established project milestones and objectives
  • Served as primary developer for system components
  • Provided support to team members to facilitate task completion
  • Resolved technical challenges and system issues as they arose
  • Conducted comprehensive testing to validate system functionality
Achievements and Skills Gained
  • Enhanced team leadership and project management capabilities
  • Improved task management and project coordination skills
  • Advanced requirements gathering and stakeholder communication skills
  • Strengthened development and programming capabilities
Tech Stacks
  • Various technologies based on project requirements
  • System Architecture Design
  • Database Design
  • Project Management

Nexcel Solution (Taiwan)

Business Analyst | Sep 2014 - Jan 2015

Aspect Details
Project Business analysis and comprehensive requirements gathering for software projects
Responsibilities
  • Communicated with clients and departments to derive comprehensive requirements
  • Defined business flows and process mappings
  • Investigated current system architecture and functionality
  • Coordinated with project managers to establish milestones and release schedules
Achievements and Skills Gained
  • Enhanced business analysis and requirements gathering capabilities
  • Developed strong teamwork and collaboration skills
Tech Stacks
  • Business Analysis
  • Requirements Gathering
  • Process Mapping
  • System Investigation

Teg Solution (Singapore)

Project Coordinator/Business Analyst | Jun 2013 - Aug 2014

Aspect Details
Project Project coordination and business analysis for software development initiatives
Responsibilities
  • Communicated with clients to derive comprehensive requirements
  • Created detailed analysis documents, business flows, system flows, use cases, and database schemas
  • Investigated current system architecture and functionality
  • Planned and assigned tasks to team members
  • Provided comprehensive support to team members
Achievements and Skills Gained
  • Developed comprehensive understanding of project manager roles in SDLC
  • Enhanced teamwork and collaboration capabilities
  • Advanced system architecture design and planning skills
Tech Stacks
  • Business Analysis
  • System Architecture Design
  • Project Coordination
  • Documentation
  • Task Planning

HLV Solution

Developer | Jan 2010 - 2013

Aspect Details
Project Software development and comprehensive system design projects
Responsibilities
  • Conducted client meetings to gather comprehensive requirements
  • Designed system flows, architecture, and database schemas
  • Served as primary developer for system components
  • Resolved technical challenges and system issues as they arose
  • Conducted comprehensive testing to validate system functionality
Achievements and Skills Gained
  • Developed comprehensive understanding of Software Development Life Cycle (SDLC)
  • Enhanced knowledge of design patterns and software architecture principles
  • Strengthened development and programming capabilities
Tech Stacks
  • Software Development
  • System Architecture Design
  • Database Design
  • Design Patterns
  • SDLC

🎓 Certificates & Education

Certificate/Education Institution Year Details
Bachelor Degree of Information Technology Hoa Sen University 2012 GPA: 3.12 / 4.0
TOEIC Certificate IIG Vietnam 2009 700 points
Consolation Prize of Hoa Sen University Scientific Research Awards Hoa Sen University Aug 2012 Consolation Prize
Fundamental of Engineering (FE) (Japanese) Certificate Hoa Sen University Oct 2012 1295 points