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MRRzkS/README.md
Rienchy Razak



Portfolio LinkedIn Email


About

Informatics Engineering student at Universitas Pancasila, based in Jakarta.

My work sits in two halves that I am deliberately trying to join. On one side: backend services and full stack applications, where the concerns are correctness, state, and what happens when a request fails halfway through. On the other: applied deep learning, mostly scientific machine learning, where the concerns are formulation and evidence.

Open to internship and entry level software engineering roles, particularly where engineering and applied AI meet.


Tech Stack

Backend
Frontend
Machine Learning
Tooling

Featured Work

Digital wallet backend covering auth, top up, payments, peer to peer transfers and reporting. Transfers settle asynchronously through a background worker, so the request path stays fast and funds are never lost between two accounts. 26 passing tests.

Browser based markdown editor whose PDF export is driven by the browser's own print engine rather than a screenshot, with configurable paper size, margins and page break rules. Fully client side, nothing is uploaded.

Live demo

My personal site, including an authenticated admin area that manages its own content.

Live site

Kolmogorov-Arnold Networks implemented from scratch. B-spline bases built from the Cox-de Boor recursion in pure PyTorch, then benchmarked against a parameter matched MLP under controlled conditions.

Replication of Raissi et al. (2019). Solves the forward PDE without a mesh, then recovers hidden viscosity and advection coefficients from sparse observations alone.

Offline first installable PWA for daily volleyball hitting practice. Layered service worker caching, Web Audio cues, Wake Lock, and streak tracking with export and import. No framework.


Also on the Shelf

Project What it is Stack
Hidden Fluid Mechanics Reconstructs an unobserved pressure field from velocity data alone, supervised only by the Navier-Stokes residual PyTorch
CatatStok Desktop inventory management application, built as primary developer Java, JavaFX, Maven
Bron-Kerbosch Visualizer Step by step maximum clique visualizer with pseudocode highlighting and a live recursion stack Python, Pygame

Currently

  • Building an AI integrated engineering project end to end: model, inference service, dashboard, container.
  • Studying Japanese, working toward JLPT certification.
  • Reading around scientific machine learning and its use in industrial and manufacturing settings.

Open to internship and entry level roles. Reach me at rienchy.razak@gmail.com.

Pinned Loading

  1. E-Wallet-REST-API E-Wallet-REST-API Public

    Production-minded digital wallet REST API: auth, top-up, payments, P2P transfers with asynchronous settlement via a background worker.

    JavaScript

  2. online-markdown-editor online-markdown-editor Public

    Browser-based markdown editor with true PDF export via the native print engine. Fully client-side, no uploads.

    TypeScript

  3. Portfolio Portfolio Public

    Personal portfolio site with an authenticated admin area for managing its own content.

    TypeScript

  4. Kolmogorov-Arnold-Network Kolmogorov-Arnold-Network Public

    KAN-Torch: Kolmogorov-Arnold Networks implemented from scratch in PyTorch, with B-spline bases via Cox-de Boor recursion and a parameter-matched MLP benchmark.

    Jupyter Notebook

  5. physics-informed-burgers-pinn physics-informed-burgers-pinn Public

    PyTorch replication of Raissi et al. (2019): solving the 1D Burgers' equation and recovering hidden PDE coefficients from sparse data.

    Jupyter Notebook

  6. fly-high fly-high Public

    Hitter Protocol: offline-first installable PWA for daily volleyball hitting practice. Service worker caching, Web Audio cues, Wake Lock, streak tracking. No framework.

    JavaScript