Hi!👋, I'm Engkos Kostaman

and I'm

Experienced Software Engineer with strong expertise in both frontend and backend development for web and mobile applications, consistently delivering high-quality, well-structured solutions.

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About Me

My Introduction

Hi, I'm Engkos Kostaman. I'm 28 years old. When I have free time, I enjoy doing my favorite hobbies such as Running, reading documentation and exploring various new technologies.
I am a Software Engineer with experience working in technology such as software houses in the banking industry and financial services. I have studied HTML, CSS, JS, React Js, Node js, Vue Js, Golang, and JAVA. I am interested in working on projects with an open source focus.

02+ Years
experience
20+ Completed
project
24/7 Online
support
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Skills

My technical level

Frontend developer

More then 2 years

HTML

90%

CSS

70%

JavaScript

60%

React

80%

Vue

78%

Backend developer

More then 2 years

Java SpringBoot

90%

php

65%

MySQL

72%

Node Js

58%

Golang

94%

Quality Assurance

More then 1/2 years

JavaScript

60%

Appium Selector 2

72%

Kibana

62%

My Certificates

Programming skills Scroll or slide here to see next>>>

Graduation Bootcamp Dumbways

Preview

Membuat Web Marketing untuk Full Stack Engineer

Preview

FullStack JavaScript Developer dengan Express dan React

Preview

FullStack JavaScript Developer dengan Express dan Vue

Preview

Java Springboot

Preview

Golang

Preview

experience

experience Work

Fullstack
Developer

PT.Enam Dua Teknologi

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Fullstack
Developer

Nov 2022 - Jan 2023

job description

  • Developing Slicing of web and Android project displays according to UI/UX Design (ReactJs,ReactNative,Php)

  • Functioning related to slicing according to display

  • integration of slicing interface with database table

  • Backend support with PHP framework Laravel 9.

  • collaboration with QA testing developer

  • Daily Jira reports

Fullstack
Developer

PT.Ragdalion Revolusi industry

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Fullstack
Developer

Feb 2023 - Apr 2023

job description

  • Develop slicing of IOT web production project displays, company landing page projects

  • Functioning page display connected to the backend

  • Backend support

  • collaborative gitlab project

  • Interface connection with database

  • daily report from head of IT

Backend
Developer

PT.Bank Negara Indonesia tbk

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Backend
Developer

Mei 2023 - Okt 2024

job description

  • Joint With Retail Digital Delivery (RDL) Division & IT Agen 46 Digital Delivery (APL) team.

    - Collaborative gitlab project and jira ,Deploy development with FileZilla,MobaXtrem,docker,kubernetes etc

  • Develop using the Java Springboot Kafka language and node.js Express

  • Develop and bug fixing some fitur at BNI Agen 46 Banking based on request and requirement

  • request and response using java xml(SOA) and java json,Create testing documents for backend work

  • Test API postman and 3T studio , Database MySQL and MongoDB

Quality
Assurance

PT.Bank Negara Indonesia tbk

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Support project Maverick
Wondr By BNI

  • Tester scripting languenge javascript framework project maverick (wondr by bni) QA Manual and QA Automation apk wondr SIT,UIT and AT

  • create push auto upload by jira task docemnt runing scripting

  • test design to ui/ux design implementasi runing scripting

  • tool tester automation vscode,appium,appium selector and DBeaver

Fullstack
Developer

PT.Pegadaian

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Fullstack
Developer

Mar 2025 - Now

job description

  • Joint with Management Data IT (mandati)

  • Develop using Project Financial Modeling (FINMOD)

  • Develop frontend display according to UI/UX design

  • Develop using the VUE.JS language and Golang Framework Gin

  • Develop backend API according to ERD design table database, Collaboration team Data Scient pyton programming And QA testing Manual

Portfolio

Most recent work

Agent 46

BNI Agen46 is a BNI partner (individual or legal entity that has collaborated with BNI) to provide banking services to the public (Laku Pandai services, LKD services and e-Payment services).

Demo

Web Portofolio CMS

Website company profile landing page frontend responsive with laravel blade and tailwind css in multi langue langue indonesia japan and english.

Demo

wondr by BNI

Wondr by BNI is the latest mobile banking application from Bank Negara Indonesia (BNI), designed to replace BNI Mobile Banking and provide a better user experience and various new features.

Demo

9to9

9to9 E-commerce mobile applications that are currently developing rapidly keep up with the times with the latest technology

Demo

Finmod by Pegadaian

Finmod is a powerful financial management application designed to help users plan, monitor, and optimize their finances effectively and efficiently

Demo

Contact Me

Get in touch

Email

engkoskostaman759@gmail.com

Github

https://github.com/engkoskostaman97