As the Ancient Elders Have Spoken

Available for Work

Software Engineer Yahya
Wijaya

Software Engineer · Backend Developer

Dedicated to clean, maintainable code and high-quality solutions — crafted with patience and precision.
"A fine blade is forged slowly, so too is great software."

◈ Hire Me → Download CV ↓

Years of Experience

Key Projects

Clients Served

STATUS ◈ AVAILABLE

ROLE Backend Dev

01 — About

Backend Craftsman & Deep Thinker Systems Architect & Problem Solver.

Experienced in building mission-critical applications where precision and reliability are paramount — with a passion for optimizing backend processes and ensuring seamless data integration.

Java / Spring Boot95

Golang80

TIBCO / Integrasi85

Database (SQL / Oracle)88

Greetings, I am Yahya 🙏

A Backend Developer who strives for clean, maintainable code in every endeavour. Deeply proficient in Java Spring Boot with a strong foundation in enterprise-grade solution development.

Currently serving as a Junior Consultant at PT PHINCON, having worked alongside distinguished clients such as Telkomsel, BNI, and BCA — focused on API development, system enhancement, and performance optimisation.

LocationJakarta, Indonesia 🇮🇩

Emailyahyawijaya082@gmail.com

LinkedInYahya Wijaya

02 — Skills

The Art of Technical Mastery Technology Expertise

Programming Languages

☕ Java

🐹 Golang

🟦 TypeScript

🐘 PHP

Frameworks & Technologies

🌱 Spring Boot

🌀 Zend Framework

⚙️ TIBCO BusinessWorks

⚡ TIBCO BusinessEvent

Databases

🐘 PostgreSQL

🐬 MySQL

🔴 Redis

🅾️ Oracle

📊 SQL

Tools & Others

🐙 Git

📬 Postman

📖 Swagger

📋 Trello

🔌 TIBCO EMS

03 — Projects

Works Offered with Full Heart Key Contributions

📦

common-logger

Open Source — Maven Central

A personal open-source Java library published to Maven Central. Provides a standardised, reusable logging utility for Spring Boot applications — ready to be pulled as a dependency by any project.

Java Spring Boot Maven Central Open Source


          <dependency>

            <groupId>io.github.yahyahouse</groupId>

            <artifactId>common-logger</artifactId>

            <version>1.0.8</version>

          </dependency>

◈ View on Maven Central →

📡

Smell Radar

Personal Project — Mobile App

A community-based odour reporting mobile application. Users can pin, rate, and browse smell reports on an interactive map — built with Flutter and powered by Firebase.

Flutter Firebase OpenStreetMap Mobile

◈ smellradar.yahyawijaya.com →

📡

Notification System

Telkomsel

Development of API services to support business operations and Notification Systems. Designed and enhanced backend services for seamless, uninterrupted operation.

JavaGolangMicroservices

🏛️

TIBCO License Renewal

BPS — Badan Pusat Statistik

Upgraded TIBCO products to the latest versions. Created documentation for TIBCO Enterprise Administrator and guided the installation process throughout.

TIBCOEnterprise Admin

🏦

Siebel Data View

BNI — Bank Negara Indonesia

Developed a bespoke enterprise application for BNI's Procurement division. Built REST APIs and database views using Oracle.

TypeScriptOracleREST API

🏢

L2 Local Support

Smartfren

Handled incidents and developed cases for TIBCO BusinessWorks 5. Created documentation and log rotation procedures for archival purposes.

TIBCO BW5L2 Support

04 — Experience

The Journey of Craft & Service Work History

Feb 2023 — Present

Junior Consultant

PT PHINCON — Jakarta, Indonesia

Designed, developed, and maintained high-performance backend services for enterprise-scale clients.
Architected and optimised secure REST APIs for seamless data exchange.
Refined backend logic and database queries to improve application response times.
Collaborated within cross-functional teams across all stages of the SDLC.

Dec 2023 — Jan 2024

Backend Developer Trainee

PT PHINCON — Jakarta, Indonesia

Implemented enterprise-grade integration flows using TIBCO BusinessWorks and EMS.
Built and documented REST APIs using Spring Boot and Spring Rest Docs.
Applied core security protocols and web services using Spring Security.

Aug 2022 — Dec 2022

Back End Programmer

Setjen DPR RI — Jakarta, Indonesia

Assisted in developing internal web applications using PHP and Zend Framework.
Analysed and designed database schemas for new application features.
Implemented version control best practices (Git) across the development team.

05 — Character

Noble Virtue & Inner Strength Soft Skills

💡 Problem Solving

Diagnosed and resolved a critical TIBCO integration bottleneck impacting Telkomsel's notification pipeline, restoring stable message flow under production pressure.

🧠 Critical Thinking

Identified slow Oracle query patterns in BNI's Siebel procurement system and proposed targeted optimisations, reducing response time without structural changes.

🗣️ Communication

Coordinated across backend, database, and client stakeholder teams during multi-client delivery at PT PHINCON, ensuring alignment on scope and timelines.

📈 Adaptability

Switched fluently between Java, Golang, TypeScript, and TIBCO across different client projects — sometimes within the same sprint — without compromising output quality.

🎯 Attention to Detail

Maintained precise Spring Security configurations across microservices, ensuring no auth regression slipped through during iterative deployments for BCA.

⏳ Time Management

Delivered the TIBCO BPS license renewal for BPS on schedule, coordinating infrastructure tasks in parallel to minimise production downtime risk.

06 — Playground