Fullstack Developer

Esto Triramdani Nurlustiawan

Building scalable manufacturing & edtech solutions with modern JavaScript, AI-driven workflows, and clean architecture.

Sukabumi, West Java, Indonesia

Esto Triramdani Nurlustiawan profile photo

Fullstack Developer with 4 years of professional experience in developing scalable manufacturing and edtech applications. Proficient in the modern JavaScript ecosystem with extensive experience in TypeScript, React/Next.js, and backend integration. Highly adaptable learner with an expert-level ability to maximize development velocity and code quality using AI-driven workflows (Spec Driven Development, MCP, 9router). Committed to refactoring legacy code and implementing high-performance frontend architectures.

01

Experience

PT Amerta Indah Otsuka

Sukabumi, West Java · Apr 2021 - Present · 5 yrs 4 mos

FMCG-manufacturing company. The well-known products are Pocari Sweat, Soyjoy, etc.

  • Spearheaded the technical architecture and lifecycle of the Energy Management System, a high-impact initiative that secured the Diamond Tier Award at TKMPN XXVI and contributed directly to the company's National Lighthouse Industry 4.0 award.
  • Mentored the web developer internship program (Otsuka Youngstar) by designing a strategic syllabus and enforcing strict engineering standards (clean code, documentation) to mitigate technical debt and ensure seamless knowledge transfer.

Software Engineer (Manufacturing) Sr. Staff

Full-time

Jan 2025 - Present 1 yr 7 mos

Continue to focus on the maintenance and development of applications that facilitate seamless data flow between machinery, databases, and user interfaces. Primary development environment utilizes the JavaScript ecosystem, including React, Angular, and Express, with Prisma for database interactions. Leverage TypeScript to enhance code quality and optimize development efficiency. Responsibilities expanded to encompass the analysis and improvement of manufacturing business processes within the Sukabumi factory, including R&D initiatives in AI, machine learning, computer vision, statistical process control, and database management for large-scale, high-velocity data.

AngularReactExpressPrismaTypeScriptAI / MLComputer VisionSPCDatabase Management

App Development Staff

Full-time

Jan 2022 - Dec 2024 3 yrs

As backend, fetched data from databases collected from machines and manually entered by Engineering teams, processed and calculated the data, and served it through RESTful APIs and GraphQL (Apollo Server) using Node.js with TypeScript. Partially to fully migrated the system from PHP to Node.js to standardize tech stacks. As frontend, consumed those APIs with React and third-party libraries, and maintained and enriched features in applications built in previous roles. Created and maintained a CLI application to fetch data from an OPC server using node-opcua. Served as a mentor in the Otsuka Youngstar internship program for web development.

Node.jsTypeScriptGraphQLApollo ServerReactPHPMySQLOPC UAREST APICLI

App Development Intern

Apprenticeship

Apr 2021 - Dec 2021 9 mos

Developed and maintained department applications used to keep employee daily activities running smoothly. Worked with PHP and Node.js as primary backend languages, MySQL for data storage, and React.js (Next.js framework) to serve data from backend to users.

PHPNode.jsMySQLReact.jsNext.jsUnit TestingFront-End Development

Benih Belajar

Remote part-time · Nov 2021 - Feb 2024 · 2 yrs 4 mos

Early-stage education tech (edtech) startup that focuses on developing passion classes.

Fullstack Engineer

Part-time

Nov 2021 - Feb 2024 2 yrs 4 mos

Collaborated cross-functionally with the UI/UX team to architect and build the Benih Belajar web application from the ground up. Translated complex design mockups into robust, type-safe code utilizing Next.js, React, and TypeScript, leveraging Tailwind CSS to deliver a highly responsive and visually precise user interface. Engineered the backend infrastructure using Express.js, MySQL, and Sequelize, and independently managed deployment using AWS Cloud ecosystems.

ReactNext.jsTypeScriptContext APITailwind CSSExpress.jsMySQLSequelizeNGINX

Skilvul (Kampus Merdeka)

Remote · Sep 2023 - Dec 2023 · 4 mos

Fullstack Web Development Mentor

Contract

Sep 2023 - Dec 2023 4 mos

Facilitated bi-weekly live and asynchronous mentoring sessions, guiding mentees through comprehensive full-stack JavaScript curricula (Node.js, React, databases). Evaluated mentee projects and assignments, providing code reviews and technical feedback to ensure practical mastery of web development concepts.

Node.jsReactMongoDBMySQLTailwind CSS

Generasi GIGIH 2.0 (YABB & GoTo)

Remote · May 2022 - July 2022 · 3 mos

Frontend Engineering Mentor

Contract

May 2022 - July 2022 3 mos

Served as a technical panelist for the Frontend Engineering Capstone Showcase, evaluating final projects based on code quality, feature implementation, and adherence to industry best practices. Mentored participants in the Kampus Merdeka program, providing strategic guidance on tech stack selection and conducting rigorous code reviews to improve implementation of React, Redux, and TypeScript. Fostered engineering independence by teaching advanced debugging techniques and effective technical research strategies.

ReactReduxTypeScriptBootstrap CSS
03

Skills

Languages & Frameworks

JavaScriptTypeScriptNode.jsPHPLaravelCodeIgniterReact.jsNext.jsReact NativeRedux ToolkitTailwind CSS

Frontend & UI/UX

Responsive Web DevelopmentComponent DesignTailwind CSSPerformance Optimization

Backend & Database

Nest.jsSequelize ORMMySQLMongoDBWebSocketSocket.io

Infrastructure & Emerging Tech

AWS InfrastructureGenerative AIRAG implementationsSpec Driven DevelopmentMCP (Model Context Protocol)9routerAI-assisted debuggingRapid prototyping
04

Education

BINUS University

2022 - 2024

Bachelor Degree (S1) - Information Systems Extension Class

GPA 3.77/4.00

Web-Based Intelligent Technology for Diagnosing Rice Plant Diseases to Enhance Food Security in South Kalimantan.

IPB University

2018 - 2021

Associate Degree (D3) - Computer Engineering

GPA 3.60/4.00

Development of a Web-Based Network Infrastructure for Poverty Data Collection Services at the Langonsari Village Office, Bandung Regency.