Faqih Muntashir

Full Stack Engineer

Full-stack engineer based in Yogyakarta, Indonesia with 5+ years of professional experience building web products across healthcare, SaaS, and internal tooling. Currently building healthcare software at EvidenceCare for the US market.

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Rule of Thumb

UX Design

Button Design

States, hover, variants, and icon alignment

Code Writing

Null vs Undefined

The difference between empty and missing values

Code Writing

Proximity Principle

How code writings and files should be structured

UX Design

Button Design

States, hover, variants, and icon alignment

Code Writing

Null vs Undefined

The difference between empty and missing values

Skills & Competencies

Front-endBack-endFull-stackDevOpsUI DesignDesign Engineering

Tech Stack & Tools

Languages
TypeScript, PHP, HTML, CSS
Core Libraries and Frameworks
Effect, React, Vue, Next.js, TanStack Start, TanStack Router, TanStack Query, Tailwind CSS, PostCSS, Base UI, Radix UI, Shadcn UI, Phosphor Icons, InertiaJS, Redux, XState, Zustand
Backend and Data
Node.js, Express, Laravel, AdonisJS, Prisma, Drizzle, WebSocket, MySQL, MariaDB, PostgreSQL, MongoDB, Redis, tRPC, Trigger.dev
Testing and Quality
Vitest, Jest, Playwright, MSW, Biome, Oxlint, Oxfmt, Storybook
DevOps and Infrastructure
Docker, Git, Vite, Bun, Apache, NGINX, IIS, Amazon Route 53, Amazon CodeBuild, Amazon CodePipeline, Elastic Container Registry, Amazon Web Application Firewall, Amazon Simple Storage Service
Design
Figma
Email and Templating Tools
Mailjet, Maizzle, EJS, Amazon Simple Email Service, Amazon Simple Notification Service
AI tools
Claude Code, OpenAI Codex, OpenRouter, Hermes, OpenCode

Experience

Software Engineer

EvidenceCare

Sep 2024 — Present

Spearheaded the design and development of an MCP and a linter; the MCP cut development time for a single project component by 66%, and the broader project is projected to save approximately $15K per month.
Reduced deployment time from several hours to minutes by collaborating on database migration optimization for both fresh environments and existing databases.
Standardized modern tooling across TypeScript codebases, improving startup time (ts-node to tsx), build performance (CRA to Vite), linting and formatting (Prettier/ESLint to Biome), testing (Jest to Vitest), type safety (Joi to Zod), install size, and bundle size.
Reduced Docker image size by 30% for select projects by introducing an optimized image build process.
Architected solutions to support multi-tenancy on a single RDS instance and to enable PHI-safe logging.
Reduced runtime issues by building an automated PR reviewer that validates database permissions before merge.

TypeScript

Docker

Vite

Biome

Vitest

Zod

Snowflake

Express

React Router

PostgreSQL

Tailwind CSS

Full Stack Engineer

Vestis Labs

Sep 2023 — Sep 2024

Overhauled the website's UI design to improve consistency and clarity.
Designed the data model for the digital ID website and its drag-and-drop builder.
Reduced API calls and improved page load times by implementing in-memory caching with React Query and HTTP caching.
Simplified more than 80% of the code structure by co-locating related code and removing unnecessary abstractions.
Improved image annotator performance and UX by moving rendering from React to direct DOM manipulation and adding mobile compatibility.

React

TypeScript

MongoDB

Express

Next.js

TanStack Router

Tailwind CSS

Full Stack Engineer

Jatis Mobile

Sep 2022 — Aug 2023

Joined as a Web Designer and grew into a Full Stack Engineer role by taking on broader product and engineering responsibilities.
Eliminated potential server-side chatbot costs by building a client-side chatbot from scratch with XState to simulate a WhatsApp-style experience.
Designed the entire UI and built the chatbot flow builder from scratch through deployment using React Flow, Tailwind CSS, and AdonisJS.
Led a team of 4 developers to deliver one of the company's main products.
Recognized as one of the top performers in Q4 2022 among hundreds of colleagues.

React

TypeScript

Tailwind CSS

XState

React Flow

AdonisJS

Figma

Founding Project Manager

PT Rapidev Inovasi Nusantara

Jan 2022 — Aug 2022

Improved team workflow by creating centralized, detailed documentation.
Managed a 10-person product team delivering projects for 3 early-stage startups.
Designed user journeys, dashboards, and database structures for each application developed by the company.
Mentored developers and designers through code and design review feedback to improve delivery quality.

Figma

Founding Full Stack Engineer

PT Rapidev Inovasi Nusantara

Dec 2021 — Aug 2022

Enabled payment processing by integrating Xendit and Midtrans payment gateways.
Reduced dashboard load time by 80% by implementing eager loading to solve N+1 queries and moving pagination from client side to server side.
Improved user experience by reducing the steps required to update hotel availability and pricing data by 66%.

React

TypeScript