Software Engineer (Flutter, Python, Flask, FastAPI, Docker, GCP, Firebase, MongoDB).Co-authored Walturn insights : - https://www.walturn.com/insights/how-to-set-up-flavors-for-a-flutter-application- https://www.walturn.com/insights/how-to-set-up-analytics-in-flutter-using-firebase- https://www.walturn.com/insights/monitoring-flutter-apps-with-sentry-and-new-relic- https://www.walturn.com/insights/understanding-mixins-in-dart- https://www.walturn.com/insights/what-is-dependency-injection-and-why-use-it

- Rewrote B2C Products: Refactor B2C products Flutter codebase using Clean Architecture and unit testing in Flutter for Android and iOS, enhancing stability and maintainability.- Enhanced Data Retrieval: Improved Jobseeker app performance by developing a local caching mechanism that boosted data retrieval speeds from 1-3 s to 2-10 ms, reduced network load, and enhanced user experience.- Integrated AI Technology: Added AI-driven features like face recognition for attendance and automated job description generation, improving operational efficiency and content quality.- Developed Code Generator: Created a code generator using Mason to automate repetitive coding tasks in Flutter, significantly boosting coding speed and overall team productivity.- Implemented Analytics Tooling: Collaborated with the product team to implement Mixpanel for product analytics and Sentry for app monitoring, ensuring clear separation of production and staging environment data.- Developed Marketing Dashboard: Created a dedicated Flutter Web dashboard for the marketing team, allowing for customized push notifications targeting specific pages and data.- Implemented CI/CD workflows using Jenkins to enhance collaboration.

- Lead three projects (jobseeker.app, jobseeker.partners, jobseeker.life) with a 5-person team : Managing, recruiting, training, and coaching of incoming engineers.- Deployed B2C Products : Successfully launched all B2C products on the App Store and Google Play Store.- Increased App Revenue by 40%: Changed the business model to attract more users and increase revenue by offering free job posts with paid candidate interactions.- Improved the Quality of Job Post: Introduced AI-generated job descriptions, improving the quality and number of postings, which increased from 80 to 135 per month.- Maximize Coding Best Practices : Created detailed coding rules to help the team write code consistently, reducing future problems.- Accelerate Development Process : Developed a shared library of UI components to accelerate development across multiple applications.- Initiate a New Culture : Introduced daily stand-up meetings for team coordination.- Provide project updates to stakeholders, including the Project Manager and CEO.

- Developed https://jobseeker.partners/ and https://jobseeker.app/ with Next.js and Tailwind- Integrated Google Analytics 4.- Supported Backend API Migration: Helped the backend team by writing 8 APIs during the transition from Laravel with MySQL to Java with MongoDB, ensuring on-time task completion.- Implemented chat with socket.io using NodeJS and Flutter.

1. Developed Dot VisionDot Vision is an open-source project, aim to solve various computer vision task. We started from an art project, a real-time object detection system that map video camera feeds onto a 2D plane using Raspberry Pi 5, utilizing TFLite, Flask, and OpenCV.Link : https://www.notion.so/consultnta/External-Project-Overview-Dot-Vision-by-Consult-NTA-0d5ab4f73a3a464b83bdaa4a5cc0d7c9?pvs=25Github : https://github.com/alvinwatner/dot-vision2. Recruited Talent for SkyllSuccessfully recruited a skilled Product Designer for Skyll, an innovative education platform aiming to redefine learning experiences.Link : https://skyllapp.com/.3. Built Full-Stack Web Portal for Appraise CompanyDesigned and implemented a robust full-stack web portal for Appraise Company, leveraging Next.js, Supabase, and Vercel, with Figma for UI/UX design.Link : https://paramitakonsultan.com/4. Analyzed Real Estate Data for NickCollaborated with Nick to perform in-depth analysis of real estate data, providing actionable insights to drive strategic decisions.Link : https://nickachee.xyz/blog/real-estate

- Built real estate e-commerce for iOS using Flutter from scratch.- Implemented iOS In-App purchase to comply to Apple guidelines.- Manage end-to-end deployment to App Store- Implemented chat feature with firebaseApp Store : https://apps.apple.com/id/app/millenial-property/id1666744853

1) Created learning materials (including, module, exercise, and case-study) for below topics :1.1) Deep Reinforcement Learning1.2) Transfer Learning with Natural Language Processing and Computer Vision1.3) Deployment with Tensorflow JS and Tensorflow Lite2) Projects :2.1) Created a template to solve various Machine Learning tasks on tabular data > https://github.com/alvinwatner/ml-template2.2) Developed various emotion classifier models given multiple input modalities (text and audio). The models consist of classical machine learning (such as, random forest, gaussian naive bayes) and deep learning (such as, bert and rnn). The features include IndoBert word embedding for text and chromagrams for audio.

- Built watch e-commerce for Android using Flutter from scratch. - Manage end-to-end deployment to Play Store from closed testing to production.- Integrated midtrans payment gateway with PHP backend. Support all payment methods from debit card, credit card to digital bank.- Integrated Tawk.to to Flutter for customer service chatPlay Store : https://play.google.com/store/apps/details?id=com.radatime.radatime_mobile&hl=en

1. Customer Consultation: Provided tailored consultations, translating customer needs into customized car audio solutions.2. System Building and Tuning: Engineered and optimized a range of car audio systems from basic to advanced, from SQ, SQL, to SPL concepts.3. Collaboration and Partnerships: Strategic partnerships with local car audio stores like Meng Audio and Techno Soundworks to deliver better customer experiences.4. Team Leadership and Development: Hired and trained engineers, elevating team skills and service quality.