Muhammad Arifin Email & Phone Number

Jakarta, Indonesia

Jakarta, Indonesia

Jakarta, Indonesia

Assigned as a Project Representative for NRI Indonesia working for an Australian client building a complex Test Automation Analytics system. I was also assigned as Frontend Lead by the client in charge of defining, planning, and implementing the technical roadmap for our Frontend App. Some of my responsibilities in these roles were:▫️Reporting for team of 5 people from NRI ID consisted of 2 Backend Engineers, 2 Frontend Engineers, and 1 UI/UX Designer. Handling communication to client, work scope negotiations, reporting project results to NRI ID management, and ensuring that works in each sprints aligned with Product Roadmap.▫️Designed, planned, and implemented new Frontend architecture that support flexible & scalable UI widgets for more than 30+ dynamic charts & table.▫️Translated business requirements from PO to UI/UX designers considering the Frontend architecture and team load. ▫️Worked with backend engineers for the flexible API schema to support complex customatization on multiple frontend analytics dashbords.

Central Jakarta, Jakarta, Indonesia

✅ The client, 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗹𝗲𝗮𝗱𝗶𝗻𝗴 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗧𝗲𝘀𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗽𝗿𝗼𝘃𝗶𝗱𝗲𝗿 𝗶𝗻 𝗔𝘂𝘀𝘁𝗿𝗮𝗹𝗶𝗮, decided to build Data Analytics Platform 𝘁𝗼 𝘀𝗵𝗼𝘄𝗰𝗮𝘀𝗲 𝘁𝗵𝗲 𝘀𝗽𝗲𝗰𝗶𝗳𝗶𝗰 𝗳𝗶𝗻𝗮𝗻𝗰𝗶𝗮𝗹 𝗴𝗮𝗶𝗻𝘀 𝗮𝗻𝗱 𝗹𝗼𝘀𝘀𝗲𝘀 𝗼𝗳 𝗺𝗼𝗻𝗲𝘆 𝗮𝘃𝗼𝗶𝗱𝗲𝗱 by their automation works.⚬ 𝗣𝗿𝗼𝗽𝗼𝘀𝗲𝗱 𝗻𝗲𝘄 𝗝𝗶𝗿𝗮 𝗧𝗶𝗰𝗸𝗲𝘁 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝘀 𝘁𝗵𝗮𝘁 𝗱𝗲𝗰𝗿𝗲𝗮𝘀𝗲 the confusions & 𝘁𝗵𝗲 𝗻𝘂𝗺𝗯𝗲𝗿 𝗼𝗳 𝗺𝗮𝗷𝗼𝗿 𝘁𝗶𝗰𝗸𝗲𝘁𝘀 𝗶𝗻 𝗲𝗮𝗰𝗵 𝘀𝗽𝗿𝗶𝗻𝘁 𝗯𝘆 ~𝟭𝟬-𝟭𝟱𝘅 while 𝗶𝗻𝗰𝗿𝗲𝗮𝘀𝗶𝗻𝗴 𝘁𝗵𝗲 𝗻𝘂𝗺𝗯𝗲𝗿 𝗼𝗳 𝗦𝘁𝗼𝗿𝘆 𝗣𝗼𝗶𝗻𝘁𝘀 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝘁𝗼 𝗮𝗰𝗵𝗶𝗲𝘃𝗲𝗱 𝗮𝘀 𝗵𝗶𝗴𝗵 𝗮𝘀 𝟲𝟴% improvement in one of the sprint cycles.⚬ Designed & 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 𝗻𝗲𝘄 𝗳𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 for React component with Typescript 𝘁𝗵𝗮𝘁 𝘀𝗽𝗲𝗲𝗱-𝘂𝗽 𝗨𝗜𝘀 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 𝗳𝗼𝗿 𝗰𝗼𝗺𝗽𝗹𝗲𝘅 𝗰𝘂𝘀𝘁𝗼𝗺 𝗰𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 𝗯𝘆 𝟵𝟴% . The UIs process creation improved 𝗳𝗿𝗼𝗺 𝗮𝗯𝗼𝘂𝘁 ~4-𝗵𝗼𝘂𝗿𝘀 𝗼𝗳 𝘄𝗼𝗿𝗸 𝘁𝗼 𝗼𝗻𝗹𝘆 ~5 𝗺𝗶𝗻𝘂𝘁𝗲𝘀.⚬ 𝗦𝗲𝘁𝘂𝗽 𝗦𝘁𝗼𝗿𝘆𝗯𝗼𝗼𝗸 & 𝗖𝗵𝗿𝗼𝗺𝗮𝘁𝗶𝗰 𝗳𝗼𝗿 𝘃𝗶𝘀𝘂𝗮𝗹 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻𝘀 of UI components that 𝗮𝗹𝗹𝗼𝘄𝘀 𝘁𝗵𝗲 𝗰𝗿𝗲𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗻𝗲𝘄 𝗨𝗜𝘀 𝘄𝗶𝘁𝗵 𝘀𝗮𝗺𝗲 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 𝗮𝘀 𝗳𝗮𝘀𝘁 𝗮𝘀 ~𝟱 𝗺𝗶𝗻𝘂𝘁𝗲𝘀 & 𝗽𝗿𝗲𝘃𝗲𝗻𝘁 𝟵𝟬% 𝗼𝗳 𝗨𝗜 𝗿𝗲𝗴𝗿𝗲𝘀𝘀𝗶𝗼𝗻𝘀 in each Merge Request.⚬ Built roughly 𝟭𝟬 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 & 𝗰𝗼𝗺𝗽𝗹𝗲𝘅 𝗰𝗵𝗮𝗿𝘁𝘀 𝘂𝘀𝗶𝗻𝗴 𝗥𝗲𝗰𝗵𝗮𝗿𝘁𝘀. Also 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 𝗔𝗣𝗜 𝗰𝗮𝗰𝗵𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗿𝗲𝗮𝗰𝘁-𝗾𝘂𝗲𝗿𝘆 to 𝗴𝗲𝘁 𝗔𝗣𝗜𝘀 𝗱𝗮𝘁𝗮 𝗶𝗻 𝘂𝗻𝗱𝗲𝗿 𝟭 𝘀𝗲𝗰𝗼𝗻𝗱𝘀.

Central Jakarta, Jakarta, Indonesia

🔹 Legacy System Migration: Contributed to the project aimed at migrating legacy internal system for one of the largest Retail Chain's in Japan. My responsibilities included requirement analysis, effort estimations, and providing valuable suggestions for the development process.

Central Jakarta, Jakarta, Indonesia

✅ The client, 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗹𝗲𝗮𝗱𝗶𝗻𝗴 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗶𝗼𝗻 𝗰𝗼𝗺𝗽𝗮𝗻𝘆 𝗶𝗻 𝗝𝗮𝗽𝗮𝗻, was 𝘀𝘁𝗿𝘂𝗴𝗴𝗹𝗶𝗻𝗴 𝗶𝗻 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝗳𝗶𝗲𝗹𝗱-𝗼𝗽𝗲𝗿𝗮𝘁𝗼𝗿𝘀 𝘄𝗶𝘁𝗵 𝘁𝗲𝗮𝗺 𝗶𝗻 𝘁𝗵𝗲 𝗼𝗳𝗳𝗶𝗰𝗲 related to construction blueprints. 𝗧𝗵𝗲𝘆 𝘄𝗮𝗻𝘁𝗲𝗱 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝘃𝗲 𝗣𝗗𝗙 𝗘𝗱𝗶𝘁𝗼𝗿 𝗧𝗼𝗼𝗹 that allows them to free-draw, leave & reply comments on the documents, and attach images 𝘁𝗵𝗮𝘁 𝘄𝗼𝗿𝗸𝘀 𝗶𝗻 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲. ⚬ 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 𝗰𝗼𝗺𝗺𝗲𝗻𝘁 𝗼𝗻 𝗣𝗗𝗙 𝗳𝗲𝗮𝘁𝘂𝗿𝗲 that 𝗮𝗹𝗹𝗼𝘄𝘀 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝘂𝘀𝗲𝗿𝘀 𝘁𝗼 𝗹𝗲𝗮𝘃𝗲 & 𝗿𝗲𝗽𝗹𝘆 𝗰𝗼𝗺𝗺𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝗮𝗹𝘀𝗼 𝗮𝘁𝘁𝗮𝗰𝗵 𝗺𝗮𝘅𝗶𝗺𝘂𝗺 𝟱 𝗶𝗺𝗮𝗴𝗲𝘀 per comment. ⚬ Implemented 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝘃𝗲 𝗱𝗿𝗮𝘄𝗶𝗻𝗴 𝗼𝗻 𝗣𝗗𝗙 𝗳𝗶𝗹𝗲𝘀 𝘂𝘀𝗶𝗻𝗴 𝗪𝗲𝗯𝘀𝗼𝗰𝗸𝗲𝘁 that works 𝗳𝗼𝗿 𝘂𝗽 𝘁𝗼 𝟭𝟬-𝘂𝘀𝗲𝗿𝘀/𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗶𝗻 𝗼𝗻𝗹𝘆 𝟮-𝘄𝗲𝗲𝗸𝘀 𝗼𝗿 𝟭-𝘀𝗽𝗿𝗶𝗻𝘁.⚬ Created 𝗨𝗜𝘀 & 𝗔𝗣𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗳𝗼𝗿 𝗥𝗲𝗰𝗲𝗶𝗽𝘁𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 Feature where 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗽𝗮𝘆𝗺𝗲𝗻𝘁 𝗿𝗲𝗰𝗲𝗶𝗽𝘁𝘀 𝗰𝗮𝗻 𝗯𝗲 𝘀𝗲𝗽𝗮𝗿𝗮𝘁𝗲𝗱 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗰𝗮𝗹𝗹𝘆 𝗯𝘆 𝗜𝗺𝗮𝗴𝗲 𝗥𝗲𝗰𝗼𝗴𝗻𝗶𝘁𝗶𝗼𝗻 & 𝗜𝗺𝗮𝗴𝗲 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 and shared to all stakeholders 𝗶𝗻 𝘂𝗻𝗱𝗲𝗿 𝟲𝟬 𝘀𝗲𝗰𝗼𝗻𝗱𝘀.

Central Jakarta, Jakarta, Indonesia

🔹 Internal Employee Application: Involved in the frontend development using React, Typescript, and TailwindCSS for an internal employee application. Collaborated effectively with the team, participated in code reviews, and wrote unit tests to ensure seamless functionality. The application streamlined employee-related process such as submitting attendance, leave management, and leave approval status.🔹 Dynamic HR Management App: Involved in the frontend development of an internal HR application that streamlined HR operations, including recruitment and leave tracking Additionally, I contributed significantly to creating a dynamic recruitment flow system using the powerful React Flow library.

Central Jakarta, Jakarta, Indonesia

⚬ Involved in the development of technical requirements for the Interbank Transfer Method using BI Fast channel at a major state-owned bank in Indonesia.⚬ Authored 10 Confluence documentations with detailed sequence diagrams, UI specifications, and specifications for APIs and microservices to be used.⚬ Facilitated cross-functional discussions with Product Owners, Core Banking, and Fraud Detection teams to ensure seamless integration and design accuracy.

Central Jakarta, Jakarta, Indonesia

⚬ Work as a sole full-stack developer & built a Proof of Concept (POC) for a real-time dashboard to gather & monitor critical data across multiple servers and databases for a major Indonesia State Owned bank's Data Operations team.⚬ Designed wireframe & UIs for MVP using Whimsical & Figma based on users’ requirements. Developed the core features & working MVP in only 3 weeks with newly learned tools of PHP CodeIgniter, jQuery, & CSS3 Bootstrap.⚬ Improved metrics gathering by 99%, reducing collection time from 60 minutes to 60 seconds with real-time data from multiple servers and databases⚬ Enhanced operational efficiency by automating data collection process, saving the Data Operation team of four over 960 hours annually (about 4 hours daily).

Central Jakarta, Jakarta, Indonesia

⚬ Delivered 4 core modules integrating the Accounting System on SAP, Data Warehouse, Robotic Process Automation (RPA), and a Financial Automation Dashboard for one of Indonesia's largest heavy machinery companies.⚬ Built automation system for the generation of month-end accounting closing reports exported to Excel reducing the process time from approximately 1 month manual work to just 2 hours.⚬ Created an automation engine that collected nearly 2 million monthly financial transaction records in just 10 minutes, integrating the data seamlessly into Power BI for analytic & excel reports. ⚬ Built system to identify & track Account Receivables nearing expiration or long overdue & email notification system, allowing users to escalate the collection process within 10 minutes and cutting down the approval & resolving process from 6 months to 7-10 days.⚬ Involved in every stage of development from business requirement gatherings to UI design, database architecture, backend logic, and final deployment, ensuring seamless collaboration with stakeholders and smooth project execution.⚬ Built the backend system & multiple CRON engines for integrating SAP, Power BI, Data Warehouse, & email service with new automation system using C#, ASP.NET, & SQL Server. Also built the frontend dashboard with React, React-Redux, & SCSS.

Jakarta, Indonesia

• Worked as an embedded system engineer• Responsible for researching, experimenting, and implementing navigation algorithms for autonomous car driving inside and outside of buildings based on Ultra Wide Bank (UWB) radio with target positioning accuracy of 4 mm. • Created an executive weekly and monthly report & presented it directly to the Engineering Director and also Engineering General Manage & Received three times salary raises due to outstanding performance.

Yogyakarta Area, Yogyakarta, Indonesia

As a part of my undergraduate thesis journey, I became a research student as well as a research assistant at the Wireless Communication Laboratory in the Department of Nuclear Engineering and Engineering Physics, Universitas Gadjah Mada. As a research assistant, my roles can be summed up as follows:1. Assisting supervisor and Implementing a mathematical model of radio communication needed by my supervisor for a simple simulation using the Python programming language.2. Implementing a mathematical model of two different indoor positioning methods for locating an object in an indoor setting using the Python programming language. 3. Co-authored two academic papers written by my supervisor in the field of 5G communications and an Indoor Positioning System technology.4. Doing weekly presentations for a progress report to the lab member.

Perawang, Pekanbaru

As an intern, my roles can be summarized as follows: - Worked closely with the CEO, sales engineering manager, foreign consultants, and various stakeholders in the company.- Doing analysis and steam consumption audit on the paper machines.

Ciheras, Tasik, Indonesia

I did an internship in PT. Lentera Bumi Nusantara (LBN) and worked with a team of 8 people from 4 different universities in Indonesia. My roles were: - To study, understand, and make analysis about the Electronics Controller Circuit (ECC) of the 500W-peak Sky Dancer wind turbine. The ECC is used to convert the high and fluctuating 3 phase AC Voltage from the turbine generator into a stable 30V 20 A DC. - Do a part and a complete simulation and analysis of the complete ECC using Powersim and SimetriX, a SPICE based software. - Make a weekly report and do a weekly presentation about everything that has been done by the team in the entire past week and describing the plan for the next week.