Daren Leong

Software Engineer with 2+ years of professional experience developing enterprise applications using Java, Spring Boot, React, PostgreSQL, Docker, and REST APIs. Experienced in backend development, frontend integration, database design, authentication and authorization, CI/CD, containerization, deployment workflows, and external system integration. Demonstrated ability to rapidly learn unfamiliar technologies, business domains, and engineering workflows and contribute productively across different projects.

Experienced in insurance, workflow and business process automation, property management, investment platforms, e-commerce, and CRM-related applications.

Software Engineer at Skitech Solutions (2025-09 – Present)

• Design and develop enterprise applications using Java, Spring Boot, React, Keycloak, PostgreSQL, Maven, Docker, and REST APIs.
• Rapidly learned an unfamiliar insurance domain and business-process platform, then developed and integrated components for an underwriting workflow and case-management system.
• Developed backend functionality supporting case management, workflow tasks, assignments, dashboards, business data, notes, requirements, reporting, document generation, and email workflows.
• Implemented Spring Boot integrations with IBM BAMOE, a business process management engine, supporting process execution, user tasks, task assignment, workflow completion, and operational metrics.
• Designed an engine-agnostic integration architecture that separates the wrapper service from the underlying workflow engine, allowing workflow engine implementations to be replaced with minimal impact on application business logic.
• Designed and maintained REST API contracts, request validation, exception handling, authentication, and role-based access control using Keycloak, OAuth 2.0, OIDC, JWT, and RBAC.
• Designed and maintained PostgreSQL schemas, Flyway database migrations, entity relationships, indexes, and SQL queries, using JDBC for application data access.
• Created and maintained Docker Compose environments supporting the underwriting workflow platform and reinsurance application, providing consistent development and integration environments.
• Developed a reinsurance application using Java, Spring Boot, PostgreSQL, REST APIs, Docker, and React.
• Contributed to OpenCart + Touch 'n Go Mini Program e-commerce integration, SuiteCRM business dashboard development, and full-stack service architecture and deployment planning.
• Set up CI/CD and deployment workflows using GitHub Actions.
• Diagnosed API, database, workflow, task-assignment, security, and integration issues while collaborating with developers, QA engineers, business analysts, managers, and stakeholders.
• Use AI-assisted software engineering workflows to accelerate implementation, debugging, codebase analysis, technical research, and documentation while reviewing and validating generated output for correctness.

Software Developer at DynaFront Sdn. Bhd. (2024-04 – 2025-09)

• Developed and maintained enterprise applications using Java, Spring Boot, PostgreSQL, Keycloak, Thymeleaf, REST APIs, Jenkins, PuTTY, and WinSCP.
• Rapidly adapted to the team's engineering workflow, development conventions, project structures, and release processes, enabling productive contributions across multiple enterprise systems.
• Contributed to the development of a property management application from the ground up, implementing backend services, REST APIs, business logic, database queries, authentication and authorization, and Thymeleaf-based frontend functionality.
• Maintained and supported an investment dashboard portal, investigating and resolving application defects, database issues, integration problems, and environment-specific issues.
• Designed, implemented, tested, and maintained REST APIs supporting application functionality and system integrations, using Postman for validation and troubleshooting.
• Participated in CI/CD, release, and deployment processes for both the property management application and investment dashboard portal using Jenkins, PuTTY, and WinSCP.
• Communicated directly with Hong Kong clients in Cantonese to discuss requirements, clarify issues, provide technical updates, and support maintenance activities.
• Contributed to testing, release readiness, source-control workflows, deployment activities, troubleshooting, and technical documentation.

Software Developer Intern at SEAM Studio (2023-09 – 2024-01)

• Supported web application development in an Agile environment.
• Built responsive frontend interfaces using React, Next.js, JavaScript, and Tailwind CSS.
• Converted design requirements into reusable UI components and assisted with testing, debugging, and incremental feature delivery.
• Used GitHub, Jira, Figma, and Miro for version control, task coordination, design review, and delivery tracking.

Machine Technician / IT at Data Office Systems (2019-05 – 2019-09)

Installed and configured computer networks, diagnosed hardware and software issues, and serviced workplace technology.

Game Programmer at Ren Productions Sdn. Bhd. / WerakuGames (2018-03 – 2018-05)

Developed and supported game functionality using Unity3D and C#.

Software Developer / IT at My3DVision Group (2017-12 – 2018-02)

Developed interactive presentation solutions using Unity3D and configured technologies including Kinect, Leap Motion, projectors, projection mapping, and touchscreen systems.

Bachelor of Information Systems (Honours) in Information Systems – UOW Malaysia KDU (2019 – 2024)