Akbar Kurnia Hernadi

AKBAR
HERNADI

Backend Java Developer

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About Me

Backend Engineer

Middle Backend Java Developer specializing in highly scalable, robust services for insurance, banking, and fintech platforms using Spring Boot & Microservices.

4+Years Exp
Jakarta, IDBased In

Proven Scale

50K+Daily Users Handled
-35%API Latency Reduction

Core Competencies

Microservices ArchitectureSystem DesignPerformance TuningTeam MentoringClean Code

Experience

Mar 2026 — Present

Backend Developer

Prudential Syariah

  • •Developed and maintained backend services for Sharia-compliant insurance products
  • •Designed scalable APIs to support policy management, claims, and customer platforms
  • •Collaborated with cross-functional teams to deliver new product features and enhancements
  • •Ensured system reliability, security, and compliance with Sharia and regulatory standards
  • •Optimized database performance and improved service efficiency
JavaSpring BootMicroservicesREST API
Jun 2024 — Mar 2026

Backend Developer

Bank Negara Indonesia

  • •Built core banking and lending features (e.g. credit card activation, convert to installments, credit card change limit) with Java & Spring Boot, boosting delivery efficiency by 25%.
  • •Enhanced API latency by 35% for 50K+ daily users through reactive WebFlux migration.
  • •Integrated Kafka for real-time data streaming and utilized Kibana for log monitoring, enhancing incident response time by 40%.
  • •Collaborated with PMO, QA, and vendor teams in Agile sprints.
JavaSpring BootWebFluxOracleDBKafkaRedis
Feb 2023 — May 2024

Middleware Engineer

PT. Pegadaian

  • •Designed and implemented host-to-host insurance integration using webMethods and 3scale for secure API management.
  • •Enabled real-time insurance data exchange that improved claim validation time by 60%.
  • •Centralized operational monitoring using ElasticSearch and Kibana.
  • •Managed API governance, rate limiting, and authentication policies.
JavaSpring BootwebMethodsElasticSearchOpenShift
Aug 2022 — Jan 2023

Backend Developer

PT. Ventura Koin Nusantara

  • •Built payment and withdraw systems from scratch and integrated with Xendit & Durianpay.
  • •Reduced transaction failure rate by 25% by enhancing error handling and retry mechanisms.
JavaSpring BootPostgreSQLGit
Jan 2022 — Jul 2022

Fullstack Engineer

PT. Altech Omega Andalan

  • •Developed ERP modules for SMEs, automating finance & inventory flows.
  • •Reduced manual workload by 40% through workflow automation and report generation.
ReactNode.jsMongoDBGraphQL
Sep 2019 — Aug 2021

Social Media Officer

Halo BCA

  • •Built foundational understanding of customer experience in the financial services industry.
  • •Provided front-line support for BCA products via social media & digital platforms.
  • •Managed high-volume customer interactions, improving response time and increasing CSAT scores.
Customer ServiceDigital PlatformsFinancial Services

Featured Highlights

Jun 2024 — Mar 2026

Core Banking Lending Features

BNI Lending System

Built critical banking features including credit card activation, installment conversion, credit limit adjustments, and loyalty points system for Indonesia's largest state-owned bank.

Java 17Spring BootWebFluxOracleDBKafkaRedisOpenShift

Key Achievements

  • •Boosted delivery efficiency by 25% through microservices architecture
  • •Reduced API latency by 35% via reactive WebFlux migration
  • •Improved incident response time by 40% with Kafka + Kibana monitoring
  • •Serving 50,000+ daily active users
Feb 2023 — May 2024

Multi-Provider Insurance API Gateway

Insurance Integration Platform

Designed and implemented host-to-host insurance integrations for multiple providers (Askrida Syariah, Takaful, Jamkrindo) using enterprise API management solutions.

JavaSpring BootwebMethods3scaleElasticSearchOpenShift

Key Achievements

  • •Improved claim validation time by 60% through real-time data exchange
  • •Centralized operational monitoring using ElasticSearch + Kibana
  • •Implemented API governance, rate limiting, and authentication
Aug 2022 — Jan 2023

Payment & Withdrawal System

Digital Payment Gateway

Built payment and withdrawal systems from scratch for a fintech ecosystem, integrating with Xendit and Durianpay.

JavaSpring BootPostgreSQLGitThird-party APIs

Key Achievements

  • •Reduced transaction failure rate by 25% with enhanced error handling
  • •Built retry mechanisms and idempotency for payment reliability
  • •Handled secure transaction flows for 1K+ users

Tech Stack

Languages & Frameworks

Java 17Node.jsSpring BootExpressSpring CloudSpring SecurityWebFlux

Databases

OracleDBPostgreSQLMongoDB

Caching & Search

RedisElasticSearch

Messaging & Streaming

KafkaRabbitMQ

API Management

webMethods3scale API Gateway

DevOps & Tools

DockerOpenShiftJenkinsCI/CD pipelineGitKibanaGrafana

Architecture

MicroservicesRESTful APISystem DesignReactive ProgrammingOAuth2High Scalability

Education & Certifications

Academic Background

Sep 2014 — Apr 2018

Bachelor in Informatics Engineering

Universitas Amikom Yogyakarta • GPA: 3.25/4.00

  • •Specialized in Computer Networking
  • •Thesis: "Building a Community-Based Wi-Fi Hotspot Network (RT/RW Net) as an Affordable Internet Solution: A Case Study in Ngreco Village, Weru District, Sukoharjo Regency"

Professional Certifications

Sep 2021 — Dec 2021

Graduate Fullstack Javascript Bootcamp

Hacktiv8

Date

The Basic of Scrum

Project Management Institute

Basic of Disciplined Agile

Project Management Institute