I bring over 12 years of expertise in Java and Python ecosystems, honed through hands-on experience as a Senior Software Engineer and Tech Lead on enterprise-class projects for prominent institutions worldwide. My technical skillset extends beyond Java and Spring, encompassing Python, Restful APIs, SQL and NoSQL databases, Microservices, Event Messaging, Git, Gradle/Maven, Docker/Kubernetes/Jenkins, AWS/Azure/GCP, Unix/Linux, and many more. With a deep understanding of Object-Oriented Programming (OOP) and Java, I am proud to hold the Sun Certified Java Programmer 6.0 certification (score: 90/100), with a perfect score, 100%, in Flow Control, API Contents, and Concurrency. My career spans a diverse range of notable roles in regional institutions: 1. Indonesia: Contributed to the Rehabilitation and Reconstruction Agency for Tsunami 2004, managing over USD 6 billion in international aid. 2. Indonesia: Supervise the lifestyle payment project at DANA, an Indonesian e-wallet unicorn, contributing to 70% of the company's revenue. 3. Malaysia: Led the technical team to enhance the bank's online banking platform, serving corporate customers across Southeast Asia. 4. Singapore: Developed solutions for helloPay of Lazada/Rocket Internet, contributing to more than USD 1 billion in revenue. 5. United States: Enhanced entity management system of Indeed.com, eliminating the months of time-to-market for new country launches. 6. India: Enhanced the headless multi-brand features for Lenskart, a Unicorn eyeglasses e-commerce platform. My global experience, technical expertise, and proven track record of success make me a valuable asset for any organization looking to drive innovation and achieve measurable results.

Khomeini

I bring over 12 years of expertise in Java and Python ecosystems, honed through hands-on experience as a Senior Software Engineer and Tech Lead on enterprise-class projects for prominent institutions worldwide. My technical skillset extends beyond Java and Spring, encompassing Python, Restful APIs, SQL and NoSQL databases, Microservices, Event Messaging, Git, Gradle/Maven, Docker/Kubernetes/Jenkins, AWS/Azure/GCP, Unix/Linux, and many more. With a deep understanding of Object-Oriented Programming (OOP) and Java, I am proud to hold the Sun Certified Java Programmer 6.0 certification (score: 90/100), with a perfect score, 100%, in Flow Control, API Contents, and Concurrency. My career spans a diverse range of notable roles in regional institutions: 1. Indonesia: Contributed to the Rehabilitation and Reconstruction Agency for Tsunami 2004, managing over USD 6 billion in international aid. 2. Indonesia: Supervise the lifestyle payment project at DANA, an Indonesian e-wallet unicorn, contributing to 70% of the company's revenue. 3. Malaysia: Led the technical team to enhance the bank's online banking platform, serving corporate customers across Southeast Asia. 4. Singapore: Developed solutions for helloPay of Lazada/Rocket Internet, contributing to more than USD 1 billion in revenue. 5. United States: Enhanced entity management system of Indeed.com, eliminating the months of time-to-market for new country launches. 6. India: Enhanced the headless multi-brand features for Lenskart, a Unicorn eyeglasses e-commerce platform. My global experience, technical expertise, and proven track record of success make me a valuable asset for any organization looking to drive innovation and achieve measurable results.

Available to hire

I bring over 12 years of expertise in Java and Python ecosystems, honed through hands-on experience as a Senior Software Engineer and Tech Lead on enterprise-class projects for prominent institutions worldwide.

My technical skillset extends beyond Java and Spring, encompassing Python, Restful APIs, SQL and NoSQL databases, Microservices, Event Messaging, Git, Gradle/Maven, Docker/Kubernetes/Jenkins, AWS/Azure/GCP, Unix/Linux, and many more.

With a deep understanding of Object-Oriented Programming (OOP) and Java, I am proud to hold the Sun Certified Java Programmer 6.0 certification (score: 90/100), with a perfect score, 100%, in Flow Control, API Contents, and Concurrency.

My career spans a diverse range of notable roles in regional institutions:

  1. Indonesia: Contributed to the Rehabilitation and Reconstruction Agency for Tsunami 2004, managing over USD 6 billion in international aid.
  2. Indonesia: Supervise the lifestyle payment project at DANA, an Indonesian e-wallet unicorn, contributing to 70% of the company’s revenue.
  3. Malaysia: Led the technical team to enhance the bank’s online banking platform, serving corporate customers across Southeast Asia.
  4. Singapore: Developed solutions for helloPay of Lazada/Rocket Internet, contributing to more than USD 1 billion in revenue.
  5. United States: Enhanced entity management system of Indeed.com, eliminating the months of time-to-market for new country launches.
  6. India: Enhanced the headless multi-brand features for Lenskart, a Unicorn eyeglasses e-commerce platform.

My global experience, technical expertise, and proven track record of success make me a valuable asset for any organization looking to drive innovation and achieve measurable results.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Indonesian
Fluent

Work Experience

Senior Software Engineer (Java & Python) at Upwork
January 1, 2023 - October 29, 2025
Remote role delivering backend initiatives; earned Top Rated Plus within a year with 100% Job Success. Projects include building Solar Planit aheadless CMS to improve PV system safety, reliability, and maintainability; and developing an aheadless multi-brand system for seamless integration of acquired brands.
Senior Backend Developer at Indeed (In All Media)
January 31, 2023 - January 31, 2023
Collaborated with a global team to improve Sales, Billing, Payment, and Finance systems; accelerated time-to-market for country launches; diagnosed and resolved multiple P1 and P2 bugs to improve stability.
Senior Supervisor Engineer at DANA Indonesia - Ant Financial
January 31, 2021 - January 31, 2021
Managed technical team; delivered Lifestyle Payment feature contributing to significant revenue; scaled system to handle 100k transactions per second; resolved transaction failures and integrated new digital products and services.
Technical Lead at Hitachi Ebworx - Maybank
August 31, 2017 - August 31, 2017
Led a team of 6 Ebworx developers and QA engineers deployed at Maybank; developed Maybank2E platform components for enterprise clients; achieved zero P0/P1 production incidents.
Senior Java Developer at helloPay - Lazada Group
October 31, 2016 - October 31, 2016
Developed features for merchant and payment systems; integrated helloPay as the default payment method for Lazada; collaborated with cross-functional teams to optimize release and production deployment; transferred knowledge to Alibaba post-acquisition.
IT Lead at CIMB Bank Berhad
May 31, 2015 - May 31, 2015
Managed technical team and vendor relationships; translated business requirements into technical specs; oversaw IT resources, compliance, documentation, and escalation management.
Lead Engineer at Cherrypicks - Prudential
March 31, 2014 - March 31, 2014
Led a 5-person team across backend, mobile, and web; delivered PRUaccess; provided technical guidance on best practices and technology choices.
Software Engineer at Various (Jakarta)
December 31, 2012 - December 31, 2012
Early career in software development across multiple roles; additional five years of experience in software development and engineering. Details available upon request.

Education

Bachelor of Science in Mathematics at Institute of Technology Bandung
January 11, 2030 - October 29, 2025

Qualifications

Sun Certified Java Programmer 6
January 11, 2030 - October 29, 2025

Industry Experience

Software & Internet, Financial Services, Media & Entertainment, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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