working on Project subsidiaries of MyPertamina (Subsidi Tepat)handling some Web Apps for end-user and client-administrators.using many techstacks such as:- Next.JS- Google Recaptcha- Mantine UI & SCSS- Web Cookies and Singleton services- React Hook form- MFA (multi factor authentication)- React Query

As a Backend Developertech-stacks using:- Go, Fiber- Microservices, gRPC- PostgreSQL, GORM

Working as Frontend Developer Lead in squad Logee Truck Build web-admin dashboard for Logistics Marketplace (Logee Trans)Tech :React.JS, Redux,Redux-form,Google maps API,D3 / recharts,react-print,JEST,JIRA,GITLAB,CSS,Microfrontend,Typescript,Next.js,Tailwind,Vite,etc.

Digital Wedding Invitation Services

E-Commerce web-app for Photography Product.Tech :React.js, Redux, Redux saga,css framework (ant design, bootstrap), canvas,image editor sdk,payment gateway,Github,etc. **End of contract due to the covid-19 pandemic.

PT Golden Energy Mines (Sinarmas Mining)Technical and Planning Dept.Compile GIS data* into New Digital Map/Project. (software : QGIS Dufour-Madeira/ArcGIS/Mapinfo/Globalmapper/GoogleEarth)- Spatial database Management- Geodatabase- Virtual Raster / Mosaic- Raster Processing - Vector Processing (Digitize, Interpolation, Filter, etc.)- WMS, WCS, WFS, etc.*Data = GeoTiff, shp, kml/kmz, csv, etc.

Responsibilities :• Manage and perform geo-electricity (resistivity and IP) acquicition, data processing and interpretation include surface data management, modelling 2D and 3D, volume calculation, survey design, etc.• Coordinate with field engineers to collect the latest and most recent data for further data processing, improvements, and interpretationsProject :• Construction of Toll Road Balikpapan-Samarinda, using Geo-electricity (Resistivity) 1D & 2D. Objective : soil investigation for soil violance (2017)• Construction of Asian Games Venue for Jet Ski, using Hand-Bor. Objective : soil investigation for soil stability (2018)• Grounding Cable for Power Plant, using Geo-electricity (Resistivity) 2D. Objective : Soil investigation for grounding cable (2018)• Gold mineral approximation (Volumetric calculation), using Geo-electicity (Resistivity & IP) 2D & 3D (VOXLER processing). Objective : gold mineral search for volumetric estimates (2018)• Andecite Mining, using Geo-electicity (Resistivity) 1D & 2D. Objective : searching for drill spot and andecite distribution (2018)*A Join Operation (JO) Project : PT. Wijaya Karya, PT. Nindya Karya, PT. Gelar Buana Semesta, PT. Artha Bumi Harapan, and PT. Madya Mangun Karsa

Working for a four-months (March - June) student thesis (Bachelor) project below :" APPLICATION OF EMPIRICAL MODE DECOMPOSITION - HUANG HILBERT TRANSFORM (EMD-HHT) METHOD ON SEISMIC REFLECTION DATA TO DETECT DIRECT HYDROCARBON INDICATOR (DHI) "Scope of Work :• Synthetic Seismogram Generation • Structure Interpretation (Horizons and Faults)• Data Decomposition (Hilbert and Fourier Transform)• Extracting some seismic attributes (Sweetness, instaneous amplitude, instaneous frequency)• False-positive analysis• EMD-HHT (Empirical Mode Decomposition – Huang Hilbert Transform)• Direct Hydrocarbon IndicatorAccomplishements :• Generated subsurface geological models based on derivative of amplitude and frequency attributes using Seisee, Opendtect, and Petrel• Proposed several new Hydrocarbon spot (DHI) using generated model as reference, and• Improved oil false-positive on map display.

Geophysical Laboratory AssistantAccomplishments :• Provided guidance for participants to understand and comprehend well about selected geophysical methods such as Gravity, Magnetic, Geoelectric, and Seismic method• Presented a detail explanation about function of several geophysical data acquisition devices and softwares, and• Supervised geophysical data acquisition, data processing, and data interpretation sessions

Accomplishments :• Presented a detail explanation about technical procedure during the field camp• Supervised field data acquisition, data processing, and data interpretation sessions, and• Provided consultancy for applied geophysical methods, especially Conductivity (Electromagnetic) method

"Interpretation of Subsurface Structure Using Resistivity Method in The Jatigede"Scope of Work :• Geophysical Data Acquisition• Geophysical Data Processing• Geophysical Data InterpretationAccomplishments :• Operated several geophysical data acquisition devices such as Naniura NRD 300 and GPS to collect field data • Processed and interpreted collected field data using RES2DINV, MapInfo Professional and Microsoft Excel.• Identified and estimated landslide probability at the research area

"Analysis of Changes in Soil Physical Properties using Rock Magnetism Method as an Indicator Pollution Distribution in North Jakarta"Scope of Work :• Geophysical Data AcquisitionAccomplishments :• Soil sampling around research location to be tested in laboratory • acqucisition field data using SEM (Rock Magnetism)