<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">HOYA BIT is the fifth legal and compliant cryptocurrency exchange in Taiwan, dedicated to providing a user-friendly gateway for cryptocurrency. Upon joining the company, I encountered a pivotal moment: with just over two months until the product launch, development progress lagged behind schedule, and internal consensus on product development was lacking, causing ongoing issues. As Group Product Manager, my mandate was clear: define a cohesive product strategy, unite the team, and consistently deliver product value to users and stakeholders.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">I conducted an analysis of market competitors, identified user pain points, defined the target audience, and formulated phased product strategies, thereby securing consensus within the company. During the development phase, I introduced essential documentation, prototypes, and process diagrams, facilitating focused discussions and resolving diverging issues. Collaborating closely with the technical team, I drove the development of Minimum Viable Product (MVP), ensuring the timely launch of the product. Post-launch, I redesigned the member system and KYC process based on user feedback and research findings, resulting in a significant reduction in user application time by over 50% and a decrease in operational costs. Additionally, I streamlined development processes, introduced Clickup as a project management tool, and revamped the team's Scrum process, aligning departmental collaboration goals. These efforts led to improved team efficiency, enabling the rapid expansion of our product portfolio through successive launches of Android and iOS apps, thereby delivering valuable services to users and stakeholders.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">The formulation of product strategies effectively directed the company's focus towards product value, aligning with the phased goals of each department and prioritizing feature development. Following the product launch, we continued to swiftly deploy Minimum Viable Product (MVP) and iterate based on user feedback. Updates to the member system and KYC process streamlined user entry, reducing manpower costs for the operations team and laying a solid foundation for future expansion. These process improvements were instrumental in our rapid growth, facilitating over 24 product iterations and diversifying the company's product offerings in the subsequent year.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">After one month of joining the company, the business team requested to expand the payment functionality of the product. After further analysis, I found that the current design could not meet the requirements, which caused restrictions on the business promotion. With the support of the Product Director, I started to redesign the payment function. As a Product Manager, I need to ensure the availability and scalability of the new mechanisms and take the risks of upgrading existing systems.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">I interviewed the business team during the product design period to gather information and maintain close cooperation. Furthermore, I re-engineered the business process with UML diagrams, established an ER model to analyze the relationship between business entities, and designed the back-office architecture based on the results. After confirming the feasibility of the new architecture with the development team, I used user stories and wireframes to present the user context and functional details to gain approval from the business team. Finally, I wrote a detailed software requirements specification document, which included flowcharts and detailed specifications.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">The new design has good scalability and satisfies the needs of the business team. The development team also agrees with the quality of the SRS document and hopes the content can be used as a template for follow-up cooperation.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">Galaxy Hegemony is a project commissioned by an American company with the aim of providing high-quality lotto animation and developing a series of websites for brand promotion. We have partnered with an Unreal animation studio to meet the high-quality requirements. As an R&amp;D Assistant Manager and a core member of the project planning team, I am responsible for leading the technical team in developing the lotto service and related brand websites, as well as ensuring the animation quality in collaboration with the product team.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">Starting from the brand story, we brainstormed and created a galaxy adventure as the background, aiming to evoke a mysterious and exciting atmosphere that resonates with players while they await the lotto results. We collaborated with animation studios, establishing clear goals for exchanging ideas on design details such as script, storyboard, voice-over, animation, and audio mix. For the animation studio programmers, I utilized UML to illustrate the execution logic, provided API documents, and defined acceptance criteria to ensure they could meet the requirements. Meanwhile, I established clear task divisions and schedules for the internal technical team, leading them to develop the lotto service and brand websites simultaneously. Additionally, I designed a data synchronization mechanism to ensure that each product adheres to the lotto sequence of business requirements.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">In the end, we successfully executed all plans within the targeted schedule. The animation's effects and quality exceeded the customer's expectations, and the product's lotto sequences perfectly met the requirements. Throughout our collaboration with the animation studio, we encountered several differences of opinion, yet these conflicts aided in maintaining continuous communication and brainstorming sessions. The process resembled an animated story, replete with enthusiasm, challenges to overcome, and a profound sense of achievement upon reaching our goal.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">The game news website is a product built on WordPress, supporting multilingual and cross-platform apps. During my tenure as the R&amp;D Assistant Manager, the company devised a series of strategies to continuously enhance the exposure and traffic of the products. I was responsible for designing the system and leading the technical team in product development.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">To begin with, I introduced the strategic goals to the team and evaluated the scalability of the current website. Recognizing WordPress as a potential technical limitation for scaling, I initiated the development of a new client website. In the subsequent phase, I collaborated with the product team to plan member services and a cross-platform app, leading the technical team in implementing member functions, third-party login, SMS, and SMTP authentication on the website. Additionally, I introduced Flutter for building the cross-platform app. I also worked closely with the digital marketing team to address technical challenges and continuously tracked and analyzed user behavior.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">Finally, we achieved a 30% increase in traffic growth within six months, with all teams collaborating effectively toward a common goal. The technical team addressed the technical limitations of the client website and consistently delivered valuable features to the product. Additionally, implementing Flutter resulted in a 35% reduction in development costs for the cross-platform app.</p>

<p class="font_8"><strong>Situaion and Task</strong></p> <p class="font_8"><br></p> <p class="font_8">UK Lotto Game is a product developed using microservice architecture and driven by the technical team with the Scrum methodology. Product development faces two challenges: a lack of explicit user requirements and a shortage of human resources. As an R&amp;D Assistant Manager, the company assigned me to act as the Scrum Master and Product Owner in the Scrum team, driving the team to continuously deliver high-availability functions and reduce the impact of insufficient resources.</p> <p class="font_8"><br></p> <p class="font_8"><strong>Action</strong></p> <p class="font_8"><br></p> <p class="font_8">First, I used Epics to outline the product's core value and maintained close communication with stakeholders. Additionally, I followed the INVEST guide to refine Epics into smaller user stories and managed product backlog priorities in Jira. On the other hand, I utilized UML to design system sequence diagrams, facilitating detailed discussions with engineers. This allowed us to more accurately estimate and determine the sprint goal during sprint planning meetings. I conducted review and retrospective meetings after completing the sprint backlog. In the review meeting, the team presented deliverables to stakeholders, while the retrospective meeting focused on improving the overall sprint process.</p> <p class="font_8"><br></p> <p class="font_8"><strong>Result</strong></p> <p class="font_8"><br></p> <p class="font_8">UML diagrams effectively address the impact of insufficient engineers, enabling them to quickly grasp the work and reducing communication costs by over 20%. The team encountered challenges in the early stages of Scrum. We were overly optimistic when estimating tasks and lacked detailed communication among team members. However, this is also a benefit of the Scrum methodology: it allows us to identify problems early and drive continuous improvements, significantly enhancing the team's capabilities. Ultimately, we completed the product within the deadline and met customer satisfaction.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">The Integrated Lotto System is one of the company's main products, processing over 300 million game data entries every day. When I was promoted to R&amp;D Assistant Manager, the company assigned me to take over the product from the Philippine team. Due to limited handover time, I needed to quickly organize a new team and maintain product operations.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">Before the transition, I defined a consistent team goal and divided our actions into three phases. In the first stage, I established a collaborative team environment, clearly delineated team tasks, and ensured transparency in assignments and progress. During the second stage, I regularly conducted technical sharing meetings and led the team in creating system architecture documents, maintenance SOP documents, and automation tools. Finally, I continuously optimized our workflow and implemented code review and test case review mechanisms. Additionally, I was responsible for clarifying product requirements, managing project schedules, designing system architecture, and facilitating inter-departmental coordination.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">After completing three action stages, my team officially took over the product a month later. We improved the maintenance quality by over 50% and kept efficient development and high-quality delivery for two years. Therefore, we earned recognition from the company and business team for our outstanding work performance.</p> <p class="font_7"><br></p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">Integrated Lotto App is a product developed by natively Android. The primary objective of the business team is to integrate the lotto system of our company with those of two competitors, addressing the inconvenience players face when switching between apps to play games on different systems. As an Android Engineer, I must independently develop the product without relevant specification documents.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">First, I gathered information from the business team, and then I analyzed the encryption mechanism and API parameters of competing products through black-box testing and reverse engineering techniques. After confirming the feasibility of the development, I provided a detailed schedule to the business team. During the programming stage, I utilized encapsulation techniques to handle different system APIs and enhance performance through multi-threading and memory caching. Finally, in addition to the essential game functions, I also developed the connection to a Bluetooth printer, allowing players to print lotto receipts at any time.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">The product has garnered over 15,000 daily active users since its launch. I successfully met the business goals within a limited timeframe and independently handled tasks such as requirements clarification, competitive product analysis, architecture design, and product development. As a result, my performance was recognized during evaluations, and I have been given the opportunity for future promotion.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">Lotto Information App is a cross-platform application that supports both Android and iOS. The business team proposed the requirements, with the main functions being live lotto streaming and game trend analysis. To reach a wider user base, I recommended that the company utilize Xamarin for developing cross-platform applications. As an Android Engineer, my responsibilities included completing the product and ensuring the performance of the live stream player.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">First, I collaborate with the product team to clarify the product features. Secondly, I utilize the Xamarin framework to implement custom view components on both Android and iOS platforms using Custom Renderers, which are then bound with game data obtained from APIs. Finally, taking into account license fees and performance considerations, I opt for the FFmpeg-based open-source player, ijkPlayer, to develop the live stream player and optimize buffer management and AV synchronization.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">In the end, I completed the product within a limited time, and the results exceeded the company's expectations. Introducing Xamarin reduced the cost of cross-platform development by 35%. The performance of the live stream player surpasses that of the Android video player, launching within 1 second and maintaining a delay of within 3 seconds via the RTMP protocol.</p>

<p class="font_7"><strong>Situation and Task</strong></p> <p class="font_7"><br></p> <p class="font_7">During my tenure at Acer, I served as a Project Engineer in the R&amp;D center and was responsible for developing Android applications and services for Acer mobile devices. Moreover, I continuously follow up Android release version to analyze the impact of policy changes.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Action</strong></p> <p class="font_7"><br></p> <p class="font_7">I developed the Email and Settings applications for AOSP (Android Open Source Project) for two consecutive years. During development, I analyzed the Android Framework to optimize products and ensure quality across each product branch. Additionally, I developed multiple mobile device services using multithreading, Binder, and customized interface technology. These services included Amundsen, boot-up animation, accessory service, Dropbox promotion service, and demo player.</p> <p class="font_7"><br></p> <p class="font_7"><strong>Result</strong></p> <p class="font_7"><br></p> <p class="font_7">I consistently and steadily delivered products, earning recognition from the R&amp;D manager for my outstanding work. The experience of tracing complex and large code also helped me develop excellent code tracking and analysis skills.</p>