Senior Java Backend Developer

I build the quiet systems that keep products moving.

Backend systems, deployment pipelines, and production reliability, built with calm precision.

I'm Wahidin Alambiyah, a Senior Java Backend Developer with 10+ years of experience across logistics, banking, payment integration, CI/CD, and cloud deployment.

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production-console.simulation

[build] backend-service compiled

[deploy] pipeline passed

[api] /v1/integration/status 200 OK

[cloud] ACK cluster ready

[prod] system stable

GET /v1/integration/health
response: 200 OK
pipeline: release-main
status: passed

Identity

Engineering stability from first commit to production.

I am not only focused on writing features. I stay involved in deployment, troubleshooting, release validation, and production support to keep systems dependable under real operational pressure.

My core stack is Java, Spring Boot, Hibernate, and REST API design for enterprise workflows that need reliability, integration quality, and maintainable architecture.

I work comfortably with Linux servers, Docker, Kubernetes, Alibaba Cloud ACK, and CI/CD processes while collaborating with product, QA, DevOps, and internal client teams, including leading small engineering squads.

Experience

A decade of backend delivery in real business environments.

Phase 1
Oct 2023 - Jul 2025

Lead Backend Dev (DevOps - ICE Team)

Bumi Amartha Teknologi

Placement: Bank Sinarmas

  • Automated deployment pipelines from development to production using GitLab CI, Jenkins, and Bitbucket Pipelines.
  • Deployed systems to Linux servers, Kubernetes, Alibaba Cloud ACK, and Function Compute.
  • Developed and maintained backend services and REST APIs using Java, Spring Boot, Hibernate, and relational databases.
  • Supported troubleshooting, post-release validation, and production stability.
  • Collaborated with DevOps and internal Bank Sinarmas teams.
Phase 2
Mar 2020 - Sep 2023

E-Commerce Development Developer

Tri Adi Bersama / Anteraja

  • Managed projects such as E-Bill, PVS, FVP, RekrutAja, CRM CMS, and SFI.id.
  • Led SFI.id team consisting of 6-8 developers and testers.
  • Worked on logistics and e-commerce internal systems, including delivery status tracking.
Phase 3
Mar 2019 - Feb 2020

Lead Backend Developer

Indocyber Global Teknologi

  • Worked on Anteraja projects such as E-Bill, PVS, and FVP.
  • Handled billing, pricing configuration, and package delivery status systems.
Phase 4
Feb 2016 - Mar 2019

Java Developer / Fullstack

Indo Corpora Investama / Padiciti

  • Maintained web applications, services, scheduled jobs, and payment integrations.
  • Integrated payment channels: XL Axiata, Finnet Finpay, credit card via Sprint Asia, and bank transfers.
  • Improved train and flight booking systems with waiting list features.
Phase 5
Oct 2014 - Feb 2016

Java Developer / Fullstack

Venturium System Indonesia

  • Maintained web applications, jobs, services, and bug fixes.
  • Developed a Java library to read SWIFT format files.
  • Supported feasibility studies and risk assessment.

Currently Building

Live experiments and practical products.

Selected projects where backend discipline meets useful digital outcomes.

LiveBuilder

alambiyah.com

Digital studio / personal business website

Personal digital studio website for showcasing services, web development, digital solutions, and portfolio experiments.

Turning technical experience into practical digital services for students, SMEs, and communities.

Next.jsTypeScriptTailwind CSS

https://alambiyah.com

/api/health 200 OK

deployment: stable

Visit Site
In ProgressProduct Thinker

kidsphere.alambiyah.com

Kids event / sports / community platform

A child-focused event and sports platform concept with event information, community experience, and ticketing direction.

Exploring how technology can support children's events, sports communities, and parent-friendly digital experiences.

Next.jsTypeScriptTailwind CSSPrisma

https://kidsphere.alambiyah.com

/api/health 200 OK

deployment: stable

Visit Site
ExperimentDeveloper

emashariini.alambiyah.com

Gold price tracker / financial utility

A practical web app to track gold price information, simulate buying decisions, and provide clean references.

Making financial reference data easier to understand for everyday users.

Next.jsTypeScriptTailwind CSSSupabase

https://emashariini.alambiyah.com

/api/health 200 OK

deployment: stable

Visit Site
ExperimentBuilder

webtemplateone.alambiyah.com

Website template / commercial web template

A reusable website template experiment for landing pages, portfolios, and small business presentation.

Reusable frontend template for fast, clean, and affordable website delivery.

Next.jsTypeScriptTailwind CSS

https://webtemplateone.alambiyah.com

/api/health 200 OK

deployment: stable

Visit Site

Capability Map

System capabilities across backend, data, and delivery.

Backend Core

JavaSpring BootSpring MVCHibernateREST APIMicroservices ConceptWebSocket

Database & Messaging

MySQLPostgreSQLSQL ServerMongoDBRedisRabbitMQKafka

DevOps & Delivery

Linux ServerDockerKubernetesAlibaba Cloud ACKFunction ComputeGitLab CIJenkinsBitbucket PipelinesAzure DevOps

Frontend Familiarity

JavaScriptTypeScriptAngularVue.jsNext.js

Tools

PostmanGitPentahoMicrosoft Office

Philosophy

Not just shipping features. Keeping systems alive.

Code is only one part of delivery. The harder part is making sure it survives traffic, deployment, edge cases, and Monday morning production reports.

Build for production, not only development

Architecture decisions should survive real traffic, deployment constraints, and long-term maintenance.

Debug with context, not panic

Troubleshooting works best when logs, release history, and business impact are understood together.

Communicate across teams

Delivery quality improves when product, QA, DevOps, and business teams stay aligned early.

Collaboration

Available for thoughtful technical collaboration.

I work with teams and business owners who value clear engineering, stable delivery, and practical execution.

Backend Development
Java Spring Boot API Development
System Integration
Deployment & CI/CD Setup
Technical Consulting
Website Development for SMEs and Communities
Portfolio and Landing Page Development

Contact

Let's talk about systems, reliability, and delivery.

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